Saturday 2 April 2016

Structural Engineering

PART-B
UNIT-1.1
1.A singly reinforced rectangular beam of 250mm X 450 mm effective size is reinforced with 4 Nos. of 16 mm dia bars in the tension zone.  Determine the moment of resistance at the limit state of collapse.  Use M20 grade concrete and Fe415 grade steel.    April 2007
2. A R.C.C beam 300 mm wide and 420 mm effective depth is reinforced with 3 Nos. of 16 mm diameter bars. Material used are M15 grade concrete and Fe415 steel.  Determine the moment of resistance of the section.     October 2008
3.A R.C Rectangular beam of M15 grade concrete is 300 mm wide and 560 mm deep overall.  It is reinforced with 3 Nos. of 20 mm dia mild steel bars in the tension zone with an effective cover of 40 mm.  Determine the moment of resistance of the section     April 2008
4.Derive expressions for actual and critical neutral axis, moment of resistance of under reinforced  and over reinforced sections of singly reinforced beams by working stress method.     April 2009
5.A rectangular beam of M15 grade concrete is 250 mm wide and 500 mm deep overall.  4 numbers of 20 mm diameter steel rods of Fe415 grade steel are provided as tension reinforcement at an effective cover of 40 mm.  Find the moment of resistance of the cross section of the beam.      October 2006
6.i) State the assumptions made in the working stress method
  ii) A singly reinforced rectangular beam of 250 mm X 500 mm effective size is reinforced with 3 Nos. of 20 mm dia bars in the tension zone.  Determine the moment of resistance of the section at the limit state of collapse.  Use M20 grade concrete and Fe415 grade steel.      October2009,April 2005
7.A singly reinforced rectangular beam 300 mm X 550 mm effective depth is reinforced with 4 Nos. of 20 mm dia bars.  Determine the moment of resistance of the section.   Use M20 grade concrete and Fe250 grade steel.     April 2005
8.Derive the expression for the limiting moment of resistance of a singly reinforced rectangular section at limit state of collapse in flexure.     April 2010
9.A simply supported beam of rectangular section of 230 mm X 460 mm effective size is reinforced with 4 NOs. of 16 mm dia Fe415 grade steel bar in tension zone.  Concrete grade is M15.  Find the maximum characteristic load the beam can carry (inclusive self weight) in the span of 4 m by limit state method.     April 2006
10.  A singly reinforced rectangular beam is 300 mm x 525 mm overall size, is reinforced with 4 numbers of 20 mm dia bars with 25mm noiminal cover.  M20 grade concrete and Fe415 grade steel are used.  Check whether the section is under reinforced or over reinforced and find the limiting moment of resistance of the section     April 2009
11.A singly reinforced rectangular  beam of 300 mm X 550 mm effective depth is reinforced with 3 Nos. of 20 mm dia Fe415 grade steel bar in the tension zone.  The effective span of the beam is 6 m and M15 grade concrete is used.  Assume a partial safety factor of 1.5 for loads.  Determine the maximum UDL that could be allowed on the beam including its self weight considering the limit state of collapse in flexure       April 2008
12.Derive the expression for the limiting moment of resistance of a singly reinforced rectangular section at limit state of collapse in flexure     April 2010
13.Explain briefly the different types of loads considered in the design of structures, different values of imposed  loads are prescribed for  different types of buildings?     October 2010
14.A doubly reinforced rectangular section of overall size 250 mm X 540 mm has 4 Nos. of 20 mm dia bars in tension zone and 2 Nos. of 12 mm dia bars in compression zone at an effective cover of 40 mm.  Assume stress in compression steel as 354 N/mm2.  Determine the moment of resistance by limit state method.  Use M20 grade concrete and Fe415 grade steel                 October 2007.
15.Find the moment of resistance of a beam 250 mm wide and 500 mm deep overall and reinforced with 2 Nos. of 12 mm diameter bars in compression zone and 4 Nos. of 20 mm diameter bars in tension zone each an effective cover of 40 mm.  Concrete grade M15 and steel Fe415 are used.  Use limit state method     October 2006
16.A reinforced concrete beam is  250 mm X 500 mm in size.  It is reinforced with 5 Nos. of 25 mm dia bars in tension zone and 3 Nos. of 16 mm dia bars in compression zone at  an effective cover of 40 mm.  Determine the moment of resistance by limit state method.  Assume stress in compression steel as 353 N/mm2.  Use M20 grade concrete and Fe415 grade steel.     April 2011

UNIT: 1.2
1.Design a singly reinforced simply supported rectangular beam to carry an u.d.l of 12 KN/m (inclusive of its self weight).  The clear span of beam is 6 m.  The width of the supporting wall is 230 mm.  Assume width of beam as 250 mm.  Use M20 grade concrete and Fe415 grade steel           April 2007
2.A reinforced concrete beam is  simply supported over a span of 5 m carries an u.d.l of 20 KN/m (excluding of its self weight).  If the size of the beam is 300 mm X 600 mm.  Determine the area of tension steel required.  Use M15 grade concrete and Fe415 steel     (October 2008)
3.Design the support section of a Cantilever beam which has to carry an UDL of 15 KN/m (inclusive of its self weight) over a span of 3 m using M20 grade concrete and Fe 415 steel.  Breadth of the beam is 0.6 times its effective depth       April 2008             
4.A reinforced concrete beam is supported on two walls 500 mm thick spaced at a clear distance of 6 m.  The beam carries a super imposed load of 9.8 KN/m.  Design the beam using M20 grade concrete mix and HYSD bars of Fe415 grade      October 2006
5.Design the support section of a Cantilever beam to carry an UDL of 15 KN/m (inclusive of its self weight) on a clear span of 3 m.  Keep the breadth of the beam as 250 mm.  Use M20 grade concrete and Fe415 grade steel      October 2009
6.A simply supported rectangular beam of effective span 8 m is carrying an UDL of 20 KN/m (inclusive of its self weight) through out its length.  Design the mid span section for the limit state of collapse in flexure.  Assume breadth of the section as 300 mm.  Use M20 grade concrete and Fe415 grade steel     April 2005
7.A simply supported rectangular beam of clear span 6 m width of supports 300 mm on either ends, has to carry an u.d.l of 15 KN/m excluding its self weight.  M20 grade concrete and Fe415 grade steel are to be used.  Design the mid span section of the beam for the limit state of collapse, keeping the width of the beam as 300 mm.     April 2010.
8.A simply supported singly reinforced rectangular beam is to be provided over a clear span  of 6m to carry an u.d.l of 24 KN/m excluding of its self weight.  The size of the brick pillars supporting the beam is 300 X 300 mm.  Design the mid span section of the beam using M15 grade concrete and Fe415 grade steel be limit state method.     April 2006
9.A simply supported rectangular beam of effective span 6 m is carrying an u.d.l of 20 KN/m (inclusive of its self weight) throughout its length.  Design the mid span section for the limit state of collapse in flexure .  Assume breadth of the section as 250 mm.  Use M20 grade concrete and Fe415 grade steel     April 2011
10.A rectangular beam of 250 mm X 400 mm overall size has to resist a design bending moment of 150 KN-m.  Design the tension and compression reinforcement for the beam.  Use M20 grade concrete and Fe500 grade steel     October 2007
11.A Cantilever beam of effective span 3.6 m carries an u.d.l of 16 KN/m throughout its span excluding its self weight.  The overall size of the beam is 250 mm X 500 mm uniform throughout.  Design the longitudinal reinforcement for the beam using Fe415 grade steel if the concrete used is M20 grade.  Suggest suitable curtailment .      October 2010
12.A singly reinforced rectangular beam 350mm wide has a span of 6.25m and carry an udl of 30KN/m.  Find the effective depth and the area of tensile reinforcement.  Use M20 concrete and Fe415 steel by limit state method.     October 2011
13.A simply supported rectangular beam is to be provided over a clear span of 12m to carry an udl of 20KN/m excluding its self weight.  Design the mid span section using M15 grade concrete and Fe415 steel in tension zone only.  Assume the width of supports as 300mm.     April 2012
14.A rectangular R.C section of overall size 300 X 450 is subjected to a design moment of 200KNm.  M20 grade concrete and Fe500 grade steel are to be used.  Find the area of tension and compression reinforcement  required.  Assume the effective cover as 40mm.     April 2012
           
UNIT 2.1
1.A T- beam has the following particulars
     Flange width               : 1250 mm
     Thickness of flange    : 100 mm
     Effective depth           : 550 mm
     Breadth of the web    : 300 mm
Determine the limiting moment of Resistance of section.  Use M15 grade concrete and Fe415 grade steel     October 2008
2.A T- beam has the following particulars
     Flange width               : 1050 mm
     Thickness of flange    : 100 mm
     Total depth                  : 640 mm
     Breadth of the web    : 300 mm
Reinforcement  : 5 numbers of 20 mm dia bar in tension zone effective cover = 40 mm.  Concrete grade = M20 and steel grade = Fe415.  Determine the moment of resistance of the section by limit state of collapse in flexure       April 2009
3. Design a T – beam has the following details
     Effective width of the flange       : 1500 mm
     Thickness of flange                     : 100 mm
     Effective depth                            : 500 mm
     Breadth of the web                    : 300 mm
     Design Bending moment          : 450 KN-m
Use M20 grade concrete and Fe415 grade steel     October 2009
4.Design a T-beam section by limit state methodThe effective width of the flange is 1500 mm and depth of the slab is to be 100 mm.  The width of the web is 300 mm and an effective depth of the beam is 500 mm to resist a bending moment of 200 KNm using M20 mix and Fe415 steel October 2006
7.Determine the moment of resistance of the given R.C T-beam at the limit state of collapse in flexure.  The overall size of flange is 1100mm X 400 mm and that of web is 300mm X 500mmFive numbers of 25 mm dia Fe415 grade steel bars provided as tension reinforcement with an effective cover of 40mm.  Concrete grade M20 is used.     October 2010
8.Design a T-beam with simply supported at its both ends to carry a live load of 20KN/m and super imposed load (dead load) of 16KN/m over a clear span of 9m.  The width and overall depth of the beam are 360mm and 600mm respectively.  Use M20 concrete and Fe415 steel.      October 2011
9.A simply supported T-beam of clear span 12m carry an udl of 20KN/m excluding self weight.  Design the mid span section, use M20 concrete and Fe415 steel in tension member.  Assume the width of support as 300mm.     October 2011
10.A T beam section has a flange of 1280mm X 100mm, effective depth of 700mm and a breadth of web of 280mm.  It is reinforced with 5 Nos. of 25mm Ø Fe415 grade steel bars in the tension zone.  M20 grade concrete is used.  Determine the moment of resistance of the section at the limit state of collapse.     April 2012

UNIT:2.2
1.A rectangular beam section of size 350mm X 500mm (effective) is reinforced with 4 Nos. of 25mm dia bars in the tension zone.  It is subjected to a design shear force of 350KN.  Design the shear reinforcement using 10mm dia two legged vertical stirrups.  Use M20 grade concrete and Fe415 grade steel.     October 2007
2.A reinforced  concrete beam has a support section with a width of 250mm and an effective depth of 500mm.  The beam is reinforced with 3 Nos. of 20mm dia bars in the tension zone.  8mm dia, 2 legged stirrups are provided at a spacing of 200mm centres using M20 grade concrete and Fe415 grade steel.  Calculate the shear strength of support section     April 2007
3.A rectangular beam section of 300mm width and 500mm effective depth is reinforced with 4 bars of 20mm dia. Fe415 steel and M20 grade concrete are used.  The design shear force is 112.50KN.  Design the shear reinforcement by limit state method.     October 2008
4.Determine the shear force that could be resisted by 8mm dia bar 2 legged stirrups @ 250mm centres when they are i)vertical ii) inclined @ 75° to the axis of the beam if the effective depth of beam is 480mm.  Take fy=415N/mm     April2008
5.The details of rectangular beam are as given below :
Breadth                        = 240mm
Effective depth           = 460mm
Effective span             = 6.5m
Characteristic u.d.l including its self weight = 21 KN/m
Tension reinforcement                                     = 3 # 20mm Ø bars
Compression reinforcement                           = 3 # 16mm  Ø bars
Concrete grade          = M25
Steel grade                  = Fe415
Design the shear reinforcement for the support section of the beam using 6mmØ Fe415 grade steel.     April 2009
6.A simply supported reinforced concrete  beam is 250mm wide and 500mm effective depth is reinforced with 5Nos. of 20mm dia bars in the tension zone.  The  beam is subjected to a design shear force of 150KN.  Design of shear reinforcement consisting of vertical stirrups.  Use M20 grade concrete and Fe415 grade steel.     April 2005.
7.A rectangular beam section of size 350mm X 500mm (effective) is reinforced with 4 Nos. of 25mm dia bars in the tension zone.  It is subjected to a design  shear force of 350KN.  Design the shear reinforcement using 8mm dia 2 legged vertical stirrups.  Use M20 grade concrete and Fe415 grade steel.     October 2009.
8.A doubly reinforced rectangular cantilever is subjected to a design shear of 250KN.  The breadth and effective depth of the beam are 305mm and 610mm Which are uniform throughout.  The tension zone is reinforced with 5 Nos. of 25mm dia bars.  The concrete is M15 grade.  Determine the spacing of 8mm dia  2 legged stirrups of Fe415 grade steel required near the support section.     April 2006.
9.The support section of a simply supported singly reinforced  R.C T – beam is subjected to a design shear force of 110KN.  It has 4 Nos. of 20mm dia bars as tension reinforcement.  The breadth of the web and effective depth are 230mm and 410mm respectively.  Design the shear reinforcement using 8mm dia 2 legged vertical stirrups.  Use M20 grade concrete and Fe415 grade steel.     April 2011
10.The support section of a singly reinforced R.C T-beam is subjected to a characteristic shear force of 70KN.  The effective size of web is 230mm X 400mm.  The concrete used is of M20 grade. There are 3 Nos. of 20mm dia Fe415 grade steel bars in the tension zone of support section.  Design vertical stirrups for the section using Fe415 grade steel bar.     April 2010.
11.A three span continuous rectangular beam has effective spans as 4.0m each carrying a dead load of 20KN/m inclusive of its self weight and an imposed load (not fixed) of 12KN/m throughout its length.  The effective size of the cross section is 250mm X 400mm. Percentage of tension reinforcement at support is 0.5.  M20 grade concrete and Fe415 grade steel are used.  Design shear reinforcement for the maximum shear force in the beam.     October 2010.
12.Design the shear reinforcement of T-beam having the following data.  Ultimate shear 100KN.  Effective flange width 740mm.  Breadth of rib 240mm.  Reinforcement 5 Nos. of 25mm dia bars.  Thickness of slab 80mm.  Effective depth 400mm.  Use M20 concrete and Fe415 steel.     October 2011
13.A doubly reinforced rectangular cantilever beam is subjected to a design shear of 250KN.  The breadth and effective depth of the beam are 305mm and 610mm, which are uniform through out.  The tension zone is reinforced with 5 Nos. of 25mm dia bars and concrete grade is M25.  Determine the spacing of 8mm dia 2 legged stirrups of Fe415 grade steel required near the support section.     April 2012
14.Design the interior panel of a singly reinforced continuous rectangular beam of the clear span 6.0 m each to carry an imposed load of 10 KN/m and a dead load of 15 KN/m (exclusive of its self weight) over the entire span, using M20 grade concrete and Fe415 grade steel.  Width of the supporting wall is 230 mm.  Keep the overall size of the beam as 300 mm X 520 mm.       April 2011
15.A continuous R.C rectangular beam of overall size 230 mm X 320 mm is supported by 230mmX230mm size masonry pillars at a clear distance of 3.6m.  The dead load on the beam is 20KN/m excluding its self weight and the imposed load of 10 KN/m.  Design the interior support section of the beam using M20 grade concrete and Fe500 grade steel, applying suitable partial safety factor for loads.      April 2010
UNIT : 3.1

1.Design a cantilever one way slab (with uniform thickness) of 1.25m overhang subject to an imposed load of 4KN/m2 using M20 grade concrete and Fe415 grade steel.      October 2007

2.Design a one way floor slab with a clear span of 3.6m simply supported on 230mm thick masonry walls to support a live load of 3KN/m2 and a floor finish of 1KN/m2.  Use M20 grade concrete and Fe415 grade steel.     April 2007.

3.Design a simply supported roof slab for a room of clear dimension 2m X 6m wall thickness 200mm using M20 grade concrete and Fe415 steel.  Weight of weathering course is 1.5KN/m2.  Access is provided to the roof.     October 2008.

4.Design a simply supported roof slab for a library hall of 3.5m X 12m clear size using M20 grade concrete and Fe415 grade steel.  Width of the walls all-round is 230mm.  No access is provided to the roof.  Weight of weathering course is 1.25KN/m2.     April 2008,April 2006.

5.Design the floor slab of an office room of clear dimensions 3.5m X 7.5m, using M20 grade concrete and Fe500 grade steel.  Width of brick walls all-round is 230mm.  Assume suitable loads.  Suggest suitable curtailment for the main reinforcement.     April 2009

6.Design a simply supported roof slab for a hall of 3.6m X 12m clear size using M20 grade concrete and Fe415  grade steel.  Width of walls all-round is 230mm.  Access is provided to the roof.  Take weight of weathering course as 2KN/m2.     October 2009.

7.Design the roof slab of an isolated reading room of clear dimensions 3.5m X 10m.  Access is provided to the roof.  Width of support is 230mm.  A weathering course load of 2KN/m2 is to be provided over the slab.  Use M20 grade concrete and Fe415 grade steel.      April 2005

8.Design a sunshade over a window to project 600mm from the face of the wall.  Imposed load on the sunshade may be taken as 1.5KN/m2.  Use M20 grade concrete and Fe415 grade steel.     April 2011.

9.A simply supported roof slab has to be provided for a room of clear size 4m X 10m without any beams.  The width of supports along the four edges is 300mm.  Imposed load on the roof is 1.5KN/m2 and weight of weathering course is 2KN/m2.  Design the slab using M25 grade concrete and Fe415 grade steel and check the slab stiffness requirement.     October2010.

10.Design a slab of simply supported on masonry walls 3.8m apart with M20 grade concrete and Fe500 grade steel by limit state method.  Imposed load (not fixed) 2KN/m2, floor finish 0.6KN/m2 and bearing on each end 200mm.     October 2011
11.Design a sunshade with an effective projection of 600mm using M20 grade concrete and Fe415 steel.  Thickness of sunshade is 50mm uniform and imposed load is 750N/mm2            April 2012
12.Design the flight slab of  a staircase supported by landing beams at top and bottom placed at 3.0m centre to centre to carry an imposed load of 3KN/m2 and finish load of 1KN/m2.  Steps are of brickwork with 250mm tread and 160mm rise.  Weight of brickwork is 20KN/m3.  Use M20 grade concrete and Fe415 grade steel.     October 2007
13.Draw neat sketches of any four different types of staircase and explain how the effective spans and loads are determined for these cases.     April 2009
14.The flight slab of a staircase 1.2m wide is supported by 200mm wide R.C beams running parallel to the risers at top and  bottom.  The clear horizontal distance between the beams is 2.5m which consists of 10 steps of 250mm tread and 150mm rise.  Imposed load on the stairs may  be taken as 3KN/m2 of plan area.  Masonry steps of unit weight 20KN/m3 are provided.  Design the flight slab using concrete grade M20 and mild steel.     October2006,April 2011
15.The waist slab of a staircase of a marriage hall is supported by inclined stringer beams of 250mm width along its two edges, with a clear distance of 1.8m between them.  The steps are of  brick work with 300mm tread and 160mm rise.  Imposed load and weight of finish may be taken as 4KN/m2 and 1KN/m2 of plan area respectively.  Design the waist slab using M20 grade concrete and Fe415 grade steel.     April 2010
16.The flight slab of a dog legged staircase is supported by landing slabs of width 1.0m which spans perpendicular to the direction of flight.  Each flight consists of 10 steps of 250mm tread and 150mm rise.  Width of flight slab is 1.2m.  Imposed load on the stair is 5KN/m2.  The weight of finish may be taken as 1KN/m2 of plan area.  Design one of the flight slab using M20 grade concrete and Fe415 grade steel.     April 2005
17.A staircase consists of independent cantilever steps of reinforced concrete of 300mm wide (tread) and 1.2m effective span.  Imposed load on the stair is 3000N/m2. Subject to a minimum of 1300N at the free end of each step.  Design the stair using M15 concrete and mild steel.     April 2006
18.The clear size of a staircase room is 2.5m X 5.4m.  The height of floor is 3.2m.  Plan a suitable dog legged staircase for building and show the arrangement by a neat sketch with full dimensions.     October 2010
UNIT:3.2
1.Design a roof slab for a pump house room of size 3.0m X 4.0m (effective span).  The slab is supported on all its four sides by 230mm wall thickness.  The edges of the slab are discontinuous and the corners are prevented from lifting.  Access is to be provided to the roof.  The weight of the weathering course over the slab is 2KN/m2.  Use M20 grade concrete and Fe415 grade steel.  Design of torsion reinforcement not necessary.     April 2007
2.Design a two way slab for a room 5.5m X 4.0m clear size if the super imposed load is 5KN/m2.  Use M20 grade concrete and Fe415 grade steel.  Edges are simply supported and corners not held down.  Use limit state design method.     October 2008
3.Design a simply supported two way slab for the roof of a room of clear dimension 3m X 3m using M15 grade concrete and Fe415 grade steel.  The corners are not prevented from lifting.  Width of the supporting walls all-round  is 230mm.  Imposed load on the slab is 1.5KN/m2.  Weight of weathering course is 1.75KN/m2.     April 2008
4.Design a simply supported roof slab for a watchman cabin of clear size 2m X 3m.  The thickness of walls all-round is 200mm.  Access is not provided to the roof.  The corners of the slab are not held down.  Weight of weathering course will be 1KN/m2.  Concrete grade M15 and mild steel are to be used.     October 2005
5.Design the corner panel of a restrained two way slab of clear dimensions 4m X 6m for flexure by limit state method, using M25 grade concrete and Fe500 grade steel.  The width of the supporting beams along the four sides is 230mm.  Imposed load on the slab is 3KN/m2 and weight of floor finish is 1.5KN/m2     April 2010
6.Design the two way slab for the floor of a room of 4m X 5m (effective) size, to carry an imposed load of 3.5KN/m2 and a floor finish of 1KN/m2.  The edges of the slab are simply supported.  Use M20 grade concrete and Fe415 grade steel.     October 2009
7.Design the interior panel of a continuous two way slab of effective spans 5.5m X 4.5m to carry an imposed load of 4KN/m2 by limit state method.  The floor finish will be 1KN/m2.  Use M20 grade concrete and Fe415 grade steel.     October 2006
8.Design a simply supported two way slab for the roof of a room of clear dimension 3m X 3m using M20 grade concrete and Fe415 grade steel.  The corners are not prevented from lifting.  Width of support is 230mm imposed load 1.5KN/m2 and weathering course 1.75 KN/m2.     October 2011
9.Design a simply supported roof slab for a watchman cabin of clear size 2m X 3m.  The thickness of wall all-round is 230mm.  Access is not provided to the roof.  The corners of the slabs are not held down.  Weight of the weathering course will be 1KN/m2.  Concrete grade M20 and Fe415 steel are to be used     April 2012

UNIT : 4.1
1.Design an axially loaded column 400mm X 400mm hinged at both ends with an unsupported length of 3.2m for carry an ultimate (design) load of 2000KN.  Use M20 grade concrete and Fe500 grade steel.     October 2009.
2.Design a circular column section subjected to an axial load of 1000KN with lateral ties.  Use M20 grade concrete and Fe415 grade steel.      April 2005.
3.Design a square R.C column to carry an axial load of 1000KN.  Using M20 grade concrete and Fe415 grade steel.  Assume the column as a short column and Use 2% longitudinal steel.            April 2008.
4.Design a R.C square column (short) using M15 grade concrete and Fe415 grade steel to carry an  axial load of 800KN by limit state method.  Also design the ties.     October 2008.
5.Design a circular column with circular rings using M20 grade concrete Fe415 grade steel to carry an axial load of 700KN.  The effective length of the column  is 3.5m.  Mild steel bars may be used for transverse reinforcement.     April 2006.
6.Design a short R.C square column using M15 grade concrete and Fe415 grade steel to carry an axial load of 1200KN by limit state method.  Design the lateral ties also.     October 2006.
7.Design a circular column with circular ties to carry an axial load of 1200KN.  Assume 2% steel.  Use M20 grade concrete and Fe415 grade steel.     April 2007.
8.Design a circular column with circular ties to carry an axial load of 1200KN.  Assume 2% of Area of longitudinal reinforcement.  The effective length of column is 3.5m.  Ignore minimum eccentricity.  Use M25 grade concrete and Fe415 grade steel.     April 2011.
9.Design a circular R.C column with helical reinforcement by limit  state method, to carry an axial load of 2000KN.  Assume the characteristic strength of concrete and steel as 23N/mm2 and 475N/mm2 respectively.  The actual length of column is 5m, with both of its ends in fixed condition.  Assume percentage of steel as 1.2 (approximate).      April 2010.
10.Design a rectangular R.C column using M25 grade concrete and Fe500 grade steel to carry an axial load of 1400KN.  The unsupported length of the column is 4m.  The bottom end of the column is held in position and restrained against rotation, where the top end is held in position, but not restrained against rotation.  It is preference have the percentage of main reinforcement as 2.0     October 2010.
11.Design a rectangular column to carry an axial load of 1500KN.  Assume side ratio as1.5 :1.  Use M20 grade concrete and Fe500 grade steel.      October 2007.
12.Design a rectangular R.C column of effective length 3.0m.  Keeping its breadth as 300mm and percentage of steel as 1.5%.  Using M25 grade concrete and Fe415 grade steel to carry an axial load of 1800KN and suggest suitable lateral ties.      April 2009.
13.Design a short square column using M15 concrete and Fe415 steel to carry an axial load of 1000KN by limit state method.     October 2011
14.Design a short square column using M20 concrete and Fe415 steel to carry an axial load of 1200KN by limit state method.     April 2012

UNIT 4.2
1.A rectangular R.C column of size 500mm X 350mm carries an axial load of 1200KN.  Safe  bearing capacity of soil is 120KN/m2.  Design the footing with uniform thickness.  Use M20 grade concrete and Fe415 grade steel.  Check not necessary.     October 2009.
2.A square column 400mm X 400mm carries a load of 1400KN.  Safe bearing capacity of soil is 200KN/m2.  Design the footing with uniform thickness.  Check not necessary.  Use M20 grade concrete and Fe415 grade steel.     April 2005.
3.A square R.C footing carries an axial characteristic load of 1000KN.  The S.B.C of the soil is 225KN/m2.  Assuming the self weight of the footing as 150KN.  Determine the minimum size of the square base required for the column.     April 2008.
4.A short R.C column of 300mm X 300mm size is reinforced with 4 Nos. of 20mm diameter longitudinal bars of mild steel.  The concrete is M15 grade.  Determine the strength of the column at limit state of collapse.     October 2008.
5.Design a square R.C footing of uniform thickness for a R.C column of 500mm X 500mm size carrying a total load of 2000KN.  Using M20 grade concrete and Fe250 steel.  The safe bearing capacity of soil is 150KN/m2.     April 2006.
6.Design an isolated footing of uniform thickness to carry an axial load of 1000KN.  Size of column is 300mm X 450mm.  Safe bearing capacity of soil is 150KN/m2.  Use M15 and Fe415.     October 2006.
7.A rectangular R.C column of size 500mm X 400mm carries an axial load of 1200KN.  Safe bearing capacity of soil is 150KN/m2.  Design the footing with uniform thickness.  Use M20 grade concrete and Fe415 grade steel.  Check not necessary     April 2007
8.A square column 400mm X 400mm carries a load of 1500KN.  Safe bearing capacity of soil is 200KN/m2.  Design the footing with uniform thickness.  Check not necessary.  Use M20 grade concrete and Fe415 grade steel.     April 2011.
9.Explain in detail with necessary sketches, the different action for which an isolated R.C column footing as to be designed and checked.     April 2010
10.An isolated footing of uniform thickness has to be provided for a square R.C column of 400mm X 400mm size, carrying a characteristic load of 1200KN.  The safe bearing capacity of soil is 150KN/m2.  Design the footing for flexure only (check for shear and bearing not necessary).  Use M20 grade concrete and mild steel reinforcement.     October 2010.
11.A rectangular R.C column of size 400mm X 400mm carries an axial load of 1000KN.  Safe  bearing capacity of soil is 100KN/m2.  Design the footing with uniform thickness.  Use M20 grade concrete and Fe415 grade steel.  Check not necessary.     October 2007
12.An R.C column 300mm X 400mm size, carries an axial load of 1200KN including its self weight.  S.B.C of soil is 150KN/m2.  M20 grade concrete and Fe415 grade steel are used.  Determine the suitable size and thickness for square base and find the area of tension steel required at the critical section, ignoring the effect of shear.     April 2009
13.Design a square footing of uniform thickness to carry an axial load of 1200KN.  The size of column is 400 X 400mm and safe bearing capacity of soil is 150KN/m2.  Use M20 concrete and Fe415 steel.  Check for shear not required.     October 2011
14.Design a square R.C footing of uniform thickness for a R.C column of 500mm X 500mm carrying a total load of 2500KN using M20 grade concrete and Fe415 steel.  Safe bearing capacity of soil is 250KN/m2.     April 2012
UNIT : 5
1.Design a simple steel beam to carry an imposed load of 25 KN/m on the effective span of 6.5m.  Assume fy as 300 Mpa and E=2X105 Mpa.     October 2009 
2.A simply supported steel beam of 6 m effective span has to carry an u.d.l of 40 KN/m (inclusive of its self weight) throughout its length.  Choose a suitable I - section for the beam by limit state method.  Take fy=250Mpa and assume the beam as laterally supported.  Check for deflection is not necessary    April 2010
3.Design a single angle tension member to carry an axial tension of 210 KN.  The angle has to be connected to a gusset plate at its ends by fillet welds, through its longer legs.  Connection need not to be designed.  Take fy=250 N/mm2 and fu=410 N/mm2     April 2010

4.Design a double angle tension member placed on same side of the gusset plate to carry an axial tension of 400KN.  The angle is to be connected to a gusset plate through longer legs by fillet weld.  Take yield stress of steel as 280 MPa     April 2011

5.A T-section ISHT 150 @ 294 N/m is used as a tension member.  Its flange is connected to gusset plate of 12mm thickness by welding.  Its web is connected to gusset plate of 12mm thickness by welding.  Yield strength of steel used is 300Mpa.  Determine the maximum tensile strength of the member.     October 2011.

6.Design a single tension member to carry a tensile force of 225 KN due to dead load and live load.  The angle is to be connected to a gusset plate through one of its leg by fillet welding fy = 250 N/mm2.  Fsc = 410 N/mm2 (connection need not be designed).     April 2012

7.Design a suitable section for a compression member of effective length 6m to carry an axial load of 2500KN.  Use single rolled steel heavy – I section and 16mm thick plates.  Take yield stress as 340MPa.      October 2009.

8.Design a steel column using single rolled I-section to carry an axial load of 600KN.  The actual length of column is 4m .  At bottom, the end is restrained against translation and rotation and at top end is restrained against rotation but free to translate.  The yield stress of steel is 300MPa.     October 2010.

9.Two channels ISMC 300@ 331 N/m are placed back to back at a clear distance of 100mm.  If the effective length of the member is 4m.  Find the safe bearing capacity of a column     October 2011

10.The longer leg of an unequal angle ISA 100 X 75 X 10mm is connected to a gusset plate by fillet weld.  The member carries an axial tension of 225KN.  Cxx of the angle is 31.9mm.  Design the joint if the permissible shear stress in the weld is 108Mpa.      April 2011

11.A double angle tension member 2 ISA 125 X 95 X 10mm, carrying an axial tension of 500KN has to be connected  back to back on either side of a gusset plate of 12mm thickness through their longer legs at site.  Design the connection with side fillet weld of ultimate strength 300Mpa.  Draw a sketch and show the details.    October 2010.

12.An angle ISA 125 X 95 X 10mm carrying an axial tension of 275KN is to be connected to a gusset plate through its longer leg by side fillet welds only.  Design the joint If the ultimate shear stess in the weld is 330 Mpa.     April 2012



PART-A
UNIT : 1
1.Mention any one purpose of providing reinforcement      October 2009
2.Specify the code requirements of minimum area of steel reinforcement for beams    October 2008,2009 ,April 2005
3.What is meant by grade of concrete?    October 2007, April 2005
4.How concrete is classified in to different grades?    October 2007,April 2005
5.What is meant by under reinforced section?     April 2005, 2009
6.What is meant by over reinforced section?     April 2005, 2009
7.State any two assumptions made in the limit state method of design                           October 2006, April 2005  
8.Write any two advantages of R.C.C     April 2008
9.Write any two disadvantages of R.C.C    April 2008
10.Define:modular ratio.  How the modular ratio of R.C.C is determined?    October 2005, April 2008,2012
11.What is meant by a doubly reinforced section?     April 2008
12.What is meant by nominal cover to reinforcement?     April 2005
13.State nominal cover values to meet durability requirements.    April 2005
14.State the code requirements regarding maximum area of steel reinforcement in beams. 
  October 2008, April 2005
15.How the breadth of the beam is decided?    October 2005, April 2006, 2008, 2009
16.What is meant by limit state method of design?     October 2008
17.What is meant by balanced section?      October 2008
18.What are the advantages of balanced section?     October 2008
19.What is the necessity of providing reinforcement in concrete?     April 2006, 2007
20.What are the three methods recommended by Is 456 for the design of R.C members? April 2006
21.State any two assumptions made in the working stress method of design?              October 2005, 2006 ,April 2006
22.Why the steel is used as reinforcement?     April 2007
23.Define singly reinforced section     April 2007, 2009
24.Define doubly reinforced section.     April 2007, 2009
25.State the code provision regarding side face reinforcement for beams?     April 2007
26.State the use of partial safety factors in the limit state method of design.     April 2007
27.What is the modular ratio for M25 grade concrete?     April 2011
28.Define design load in limit state method      April 2011
29.State the code provision regarding the effective span of  cantilever beams              October 2007, April 2011
30.Specify the maximum and minimum size for the fine aggregate to be used in R.C.C April 2010
31.What is the anchorage value of U-hook in a 12 mm dia bar?     April 2010
32.Define moment of Resistance of a section      October 2010
33.What are the two main factors considered while fixing nominal cover to reinforcement?   October 2010
34.Define the term Actual Neutral axis      October 2007
35.Define the term Critical Neutral axis     October 2007
36.Define the term characteristic strength of materials     October 2007
37.Define the term Design strength of materials     October 2007
38.State the IS code provisions regarding the effective span of simply supported beam October 2007
39,Specify the maximum permitted compressive strain in concrete in beams     April 2009
40.Specify the maximum permitted compressive strain in concrete in axially loaded compression members April 2009
41.Specify the maximum permitted compressive strain in concrete in column subjected to axial load and moment in limit state method of design, mentioning the relevant clause member in IS code     April 2009
42.What are the advantages of doubly reinforced section?     April 2009
43.Define the term lever arm     October 2005
44.Why hooks are provided at the end of mild steel bar?
45.Name the different grades of cement used for R.C.C works     October 2011
46.What are the different materials used in R.C.C     April 2012

UNIT : 2
1.What is meant by T-beam?     April 2012, October 2007, 2008, 2011
2.Define Nominal shear stress     April 2011,October 2007
3.What is the necessity of providing shear reinforcements?     April 2007
4.State the principle of shear design     April 2007
5.What are the different types (forms) of shear reinforcement?     October 2008, 2010
6.Specify the code provisions regarding the minimum shear reinforcement for beam?  October 2006, 2009
7.What is meant by continuous beam?     April 2006, 2008, 2010
8.Write any one advantage of inclined stirrups over vertical stirrups     April 2008
9.Write any one disadvantage of inclined stirrups over vertical stirrups?     April 2008
10.What are the general design requirements of a T-beam?     October 2006
11.Write down the expression for effective width of flange of T-beams.     October 2009
12.List different types of shear stirrups     October 2009
13.List the two main factors which affect the shear strength of concrete     April 2010
14.Where lintels are provided?     October 2010
15.What is the minimum depth required for stiffness?     October 2011
16.Write down the bending moment co-efficient for continuous beam in all positions     April 2012

UNIT : 3
1.What is the maximum permitted spacing of main reinforcement in one way slab?    October 2009
2.What is meant by two way slabs?     April 2006, 2008, 2010, October 2005, 2008, 2009, 2012
3.State the code provisions regarding the minimum area of reinforcement in one way slab?     April 2005, October 2007
4.State the code provision regarding maximum spacing of main and secondary reinforcement in one way slab?     April 2005, October 2007
5.Define one way slab     April 2006, 2008, October 2005
6.Draw the neat sketch the terms middle strip and edge strip in a two way slab                   April  2008, 2011
7.Classify R.C stairs based on structural behavior     April 2006, 2008, October 2005
8.Classify R.C stairs based on support condition     April 2006, 2008, October 2005
9.What is torsional reinforcement?     October 2008
10.When torsional reinforcement will be provided?     October 2008
11.What are the classification of staircase according to their geometry?                               April  2011, October 2005, 2008
12.What are types of two way slab?     October 2006
13.Define corner free slab     April 2009, October 2006
14.Define corner held down slab     April 2009, October 2006
15.Specify the maximum and minimum values for the Rise in a staircase     April 2010
16.Specify the maximum size of bars that can be used in R.C slabs     October 2010
17.Define middle strip of two way slab     October 2010
18.Define the term going and flight     April 2009
19.Define the term Effective width and tread with respect to stairs     April 2009
20.Define Flat slab     October2005
21.Write the classifications of slab     April 2012, October 2011
22.List the types of  stairs     April 2012
UNIT : 4
1.Mention the classification of columns based on loading     October 2007
2.Mention the classification of columns based on slenderness ratio     October 2007, 2009
3.State any one assumptions made in the Limit state of collapse in compression        October 2006, April 2007
4.Specify the code provision regarding minimum eccentricity for column load            October 2009,  April 2007
5.Define the term effective length     October 2008
6.Define the term slenderness ratio     October 2008
7.When combined footings are provided in column?     October 2008
8.What are the different types of combined footing?     October 2008
9.Define short column      April 2005, 2006, 2008
10.Define Long column     April 2005, 2006, 2008
11.Describe the different types of Column footing (base)     October 2006, 2012, April 2006,  2008
12.Differentiate the modes of failure of long and short column     October 2006
13.What is the purpose of providing lateral or transverse reinforcement in R.C columns? April 2010, 2011
14.Which will be the critical section for the transverse shear in a isolated column footing? April 2010
15.When do you provide isolated footings?     October 2009
16.What is the main function of a column base?     April 2006
17.State the minimum edge thickness required for sloped footing as per IS 456-2000      April 2011
18.When a R.C column is classified as slender column?     October 2010
19.How uneven settlement of structure can be avoided?     October 2010
20.What is meant by unsupported length of columns?     April 2012
21.What is isolated footing?     April 2012
22.What is meant by axially loaded column     April 2012

UNIT : 5
1.State the permissible bending and shear stress for fy = 400 Mpa     October 2009
2.Name any two types of welds     October 2007, 2009
3.What is meant by laterally restrained beam?     April 2005, October 2007
4.Mention different types of RSJ used as steel beams      April 2005, 2007, October 2006, 2007
5.Define Effective length of compression member     April 2005, 2008, October 2005
6.Define slenderness ratio of compression member     April 2005, 2008, 2010, October 2005, 2011
7.Define simple beam     April 2008
8.Define plate beam     April 2008
9.Write any two advantages of steel structures?     October 2008
10.Write any two disadvantages of steel structures?     October 2008
11.What are the classification of beams?     April 2006
12.What are the forms of Tension member?     April 2006
13.What are the different types of welds?     April 2006
14.Draw any two types of compression members     April 2011
15.Expand – ISJC and ISWB     April 2010
16.When the cross section of a steel compression member is classified as a compact section?
17.Define the term plastic section modulus of steel beam sections     October 2010
18.Define gross area     April 2009, October 2005
19.Define Net area     April 2009, October 2005
20.Define Effective area     April 2009, October 2005
21.Define unsupported length     October 2005
22.What is meant by Net sectional area of tension member     October 2011
23.Write the formula for calculating the strength of joint in lap welds     April 2012
24.What are the permissible stresses in tension and bending for steel section?     April 2012






PART-B