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 method.
The 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 500mm. Five 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/mm2 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