Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 4th Sem Old 141301 Design Of Environmental Structure Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(OLD) ? EXAMINATION ? SUMMER 2019
Subject Code:141301 Date:13/05/2019
Subject Name: Design Of Environmental Structure
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of I.S. 456, 800, 875, Part I, II, III and Steel Table are permitted
5. For analysis and design of R.C.C. structure use M20 grade of concrete and Fe 415
HYSD and for steel structure use yield stress 250 MPa, unless specified otherwise.
Q.1 (a) A singly reinforced rectangular beam of size 230 X 500 mm effective depth has
to carry a factored moment of 100 kN-m. Calculate area of steel.
07
(b) A singly reinforced beam is subjected to factored shear force of 200 kN. The
effective size of the beam is 320 X 500. The beam is reinforced with 1.0 % of
steel. Find spacing of 2 legged 8 # vertical stirrups.
07
Q.2 (a) Enlist the basic assumptions made in limit state method for flexure design and
calculate the value of Pt lim for M25 & Fe415 Grade.
07
(b) A singly reinforced beam of section 280 X 450 mm effective is reinforced with
4 # 20. Calculate moment of resistance of section.
07
OR
(b) Design a R.C.C. short square column for axial load of 3000 kN. Assume 1.2%
steel.
07
Q.3 (a) Design suitable base for column ISHB 300@ 63 kg/m, carrying axial load of
1000kN. The SBC is 180 kN/m
2
. Permissible bearing pressure 3.8 N/mm
2
.
07
(b) A discontinues strut 1.80 m effective length consists of 2 equal angle 55 X 55 X
6 mm, it is connected same side gusset plate by two rivets at each angle at both
ends. Calculate load which strut can carry.
07
OR
Q.3 (a) Design column using I section subjected to axial load of 1500 kN. The length of
the member 4.2 m. both ends of column are hinged.
07
(b) Calculate the strength of ISA 50 X 40 X 6 when used as a tension member with
longer leg connected to gusset plate (1) 14 mm thick, (2) fillet weld.
07
Q.4 (a) Enlist the failure modes that may control the strength of rivet joints and specify
the reasons.
07
(b) Design simply supported beam of span 6m carrying total load of 25 kN/m.
provide only check for deflection.
07
OR
Q.4 (a) An unequal tension member 90 X 70 X 6 has to resist 100 kN load. Design weld
connection. Assume permissible stress in weld 108 MPa
07
(b) Determine load carrying capacity of short braced column of 500 mm diameter
reinforced with 8 nos. of 12 mm diameter.
07
Q.5 (a) Calculate the moment of resistance of doubly reinforced beam of size 280 X 600
mm over all, is reinforced with 4 # 20 as compression reinforcement and 4# 25
as tensile reinforcement. Take effective cover 50 mm at top & bottom.
07
(b) Design a square footing for an isolated column 450 X 450 mm size carry axial
load 1200 kN. Adopt SBC of soil 180 kN/m
2
.
07
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(OLD) ? EXAMINATION ? SUMMER 2019
Subject Code:141301 Date:13/05/2019
Subject Name: Design Of Environmental Structure
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of I.S. 456, 800, 875, Part I, II, III and Steel Table are permitted
5. For analysis and design of R.C.C. structure use M20 grade of concrete and Fe 415
HYSD and for steel structure use yield stress 250 MPa, unless specified otherwise.
Q.1 (a) A singly reinforced rectangular beam of size 230 X 500 mm effective depth has
to carry a factored moment of 100 kN-m. Calculate area of steel.
07
(b) A singly reinforced beam is subjected to factored shear force of 200 kN. The
effective size of the beam is 320 X 500. The beam is reinforced with 1.0 % of
steel. Find spacing of 2 legged 8 # vertical stirrups.
07
Q.2 (a) Enlist the basic assumptions made in limit state method for flexure design and
calculate the value of Pt lim for M25 & Fe415 Grade.
07
(b) A singly reinforced beam of section 280 X 450 mm effective is reinforced with
4 # 20. Calculate moment of resistance of section.
07
OR
(b) Design a R.C.C. short square column for axial load of 3000 kN. Assume 1.2%
steel.
07
Q.3 (a) Design suitable base for column ISHB 300@ 63 kg/m, carrying axial load of
1000kN. The SBC is 180 kN/m
2
. Permissible bearing pressure 3.8 N/mm
2
.
07
(b) A discontinues strut 1.80 m effective length consists of 2 equal angle 55 X 55 X
6 mm, it is connected same side gusset plate by two rivets at each angle at both
ends. Calculate load which strut can carry.
07
OR
Q.3 (a) Design column using I section subjected to axial load of 1500 kN. The length of
the member 4.2 m. both ends of column are hinged.
07
(b) Calculate the strength of ISA 50 X 40 X 6 when used as a tension member with
longer leg connected to gusset plate (1) 14 mm thick, (2) fillet weld.
07
Q.4 (a) Enlist the failure modes that may control the strength of rivet joints and specify
the reasons.
07
(b) Design simply supported beam of span 6m carrying total load of 25 kN/m.
provide only check for deflection.
07
OR
Q.4 (a) An unequal tension member 90 X 70 X 6 has to resist 100 kN load. Design weld
connection. Assume permissible stress in weld 108 MPa
07
(b) Determine load carrying capacity of short braced column of 500 mm diameter
reinforced with 8 nos. of 12 mm diameter.
07
Q.5 (a) Calculate the moment of resistance of doubly reinforced beam of size 280 X 600
mm over all, is reinforced with 4 # 20 as compression reinforcement and 4# 25
as tensile reinforcement. Take effective cover 50 mm at top & bottom.
07
(b) Design a square footing for an isolated column 450 X 450 mm size carry axial
load 1200 kN. Adopt SBC of soil 180 kN/m
2
.
07
2
OR
Q.5 (a) Design one way slab for clear span 3 m and thickness of support 300 mm. Take
live load 2.5 kN/m
2
and floor finish 1.0 kN/m
2
. Design slab for flexure only.
07
(b) States merits and demerits of R.C.C. and steel structures. 07
*************
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This post was last modified on 20 February 2020