Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 6th Sem New 2160607 Elementary Structural Design Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VI (New) EXAMINATION ? WINTER 2019
Subject Code: 2160607 Date: 12/12/2019
Subject Name: Elementary Structural Design
Time: 02:30 PM TO 05:30 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary and state clearly.
3. Figures to the right indicate full marks.
4. IS:456(2000) and IS:800(2007) design codes are allowed.
5. Steel table is allowed.
Q.1 (a) Explain the concept of limit state design methodology. 03
(b) Write the importance of lacing and battening
;?; L '
04
(c) A reinforced concrete rectangular beam 230mmx600mm deep is
subjected to a uniformly distributed load 40kN/m over a simply supported
span of 6m. Design the beam for flexure using M20 and Fe415. Also
check for deflection criteria as per IS:456.
07
Q.2 (a) Explain under Reinforced, Over Reinforced and Balance section design. 03
(b) Identify the section as under reinforced, balanced or over reinforced
section and determine its moment of resistance. Find the moment of
resistance of a singly reinforced concrete beam 230mm width and 410mm
effective depth, reinforced with 4 bars of 16mm diameters of Fe415 and
M20 concrete.
04
(c) Design and detail shear reinforcement at supports and centre only for RC
beam 5m long carrying udl of 40kN/m having section of 250X500mm
size with M20 grade of concrete and singly reinforced with 4-16 diameter
bars of FE415 grade of steel.
07
OR
(c) Design a simply supported one way RCC slab with clear span of
3m x 8m. Assume the live load as 4kN/m
2
and floor finish 1kN/m
2
. Also
show check for deflection and reinforcement details as per IS:456.
07
Q.3 (a) Enlist the reasons when the provisions of doubly reinforced sections are
required.
03
(b) Find the moment of resistance of a beam section 250 mm wide x 550 mm
effective depth, reinforced with 3-20# diameters of Fe415 with M20
concrete.
04
(c) A tee-beam with 1200mm wide flange and 120 mm deep slab. The
effective depth of beam is 600 mm width of web is 230 mm. Find the area
of steel required for an ultimate moment of 550 kN-m. Consider concrete
of M20, Grade of steel Fe 415.
07
OR
Q.3 (a) What are the reasons for providing combined footing. 03
(b) A short column of 450mm x 600mm size carries a factored load axial load
of 1600kN. The column is short and having a minimum eccentricity <
0.05D. Design the column for axial and transverse reinforcement. Also
sketch reinforcement details.
04
(c) Design and detail isolated footing for an axially loaded column 400 x 400
mm in c/s and carrying 1500 kN working load. Take SBC of soil as 200
kN/m
2
.
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VI (New) EXAMINATION ? WINTER 2019
Subject Code: 2160607 Date: 12/12/2019
Subject Name: Elementary Structural Design
Time: 02:30 PM TO 05:30 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary and state clearly.
3. Figures to the right indicate full marks.
4. IS:456(2000) and IS:800(2007) design codes are allowed.
5. Steel table is allowed.
Q.1 (a) Explain the concept of limit state design methodology. 03
(b) Write the importance of lacing and battening
;?; L '
04
(c) A reinforced concrete rectangular beam 230mmx600mm deep is
subjected to a uniformly distributed load 40kN/m over a simply supported
span of 6m. Design the beam for flexure using M20 and Fe415. Also
check for deflection criteria as per IS:456.
07
Q.2 (a) Explain under Reinforced, Over Reinforced and Balance section design. 03
(b) Identify the section as under reinforced, balanced or over reinforced
section and determine its moment of resistance. Find the moment of
resistance of a singly reinforced concrete beam 230mm width and 410mm
effective depth, reinforced with 4 bars of 16mm diameters of Fe415 and
M20 concrete.
04
(c) Design and detail shear reinforcement at supports and centre only for RC
beam 5m long carrying udl of 40kN/m having section of 250X500mm
size with M20 grade of concrete and singly reinforced with 4-16 diameter
bars of FE415 grade of steel.
07
OR
(c) Design a simply supported one way RCC slab with clear span of
3m x 8m. Assume the live load as 4kN/m
2
and floor finish 1kN/m
2
. Also
show check for deflection and reinforcement details as per IS:456.
07
Q.3 (a) Enlist the reasons when the provisions of doubly reinforced sections are
required.
03
(b) Find the moment of resistance of a beam section 250 mm wide x 550 mm
effective depth, reinforced with 3-20# diameters of Fe415 with M20
concrete.
04
(c) A tee-beam with 1200mm wide flange and 120 mm deep slab. The
effective depth of beam is 600 mm width of web is 230 mm. Find the area
of steel required for an ultimate moment of 550 kN-m. Consider concrete
of M20, Grade of steel Fe 415.
07
OR
Q.3 (a) What are the reasons for providing combined footing. 03
(b) A short column of 450mm x 600mm size carries a factored load axial load
of 1600kN. The column is short and having a minimum eccentricity <
0.05D. Design the column for axial and transverse reinforcement. Also
sketch reinforcement details.
04
(c) Design and detail isolated footing for an axially loaded column 400 x 400
mm in c/s and carrying 1500 kN working load. Take SBC of soil as 200
kN/m
2
.
07
2
Q.4 (a) Describe the different types of connections 03
(b) Write the characteristics of Plastic, Compact and Slender sections 04
(c) Two plates of thickness 20 mm are to be joined by groove weld. Butt joint
is formed by the groove welds, which is subjected to factored tensile force
of 350 kN. Effective length of the joint is 150 mm. Welds are shop welded
and plates are Fe410 grade. Check the safety of joint for (i) Single V-
groove (ii) Double V-groove.
07
OR
Q.4 (a) Sketch reinforcement detail of a rectangular combined R.C.C. footing to
be provided for two columns. Sketch plan, longitudinal and cross section.
03
(b) Deign lap joint to connect two plates 100x16 mm and 100x12mm to
transfer 100 kN axial factored load. Use single row of 4.6 grade bolts.
Plates are of steel grade 410.
04
(c) Design a double angle section to carry a tension of 300 kN working load.
The end connection is to be made using M20 bolts of property class 4.6.
Assume that the angles are provided on both sides of gusset. Also design
the bolt connection.
07
Q.5 (a) Sketch the details of gusseted base footing. 03
(b) Determine axial compressive load carrying capacity of a 2.3m long
discontinuous single angle strut ISA75x50x8mm. The longer leg is
connected to the gusset plate with two bolts at each end.
04
(c) Determine working imposed uniformly distributed load acting on a
laterally unrestrained simply supported beam of section ISMB 350 @
52.4 kg/m. Span of the beam is 5 m.
07
OR
Q.5 (a) Explain beam-column design with illustrative sketches. 03
(b) Sketch the details of slab base footing. 04
(c) Design a simply supported steel beam of span 5m carrying working dead
load of 15kN/m and working live load of 15kN/m. The compression
flange of the beam is laterally restrained throughout. Assume steel grade
Fe 410.
07
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This post was last modified on 20 February 2020