GUJARAT TECHNOLOGICAL UNIVERSITY
SEMESTER-IV(OLD) - EXAMINATION - SUMMER 2019
--- Content provided by FirstRanker.com ---
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:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- Use of I.S. 456, 800, 875, Part I, II, III and Steel Table are permitted
- 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.
--- Content provided by FirstRanker.com ---
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
--- Content provided by FirstRanker.com ---
(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
Q.3 (a) Design a R.C.C. short square column for axial load of 3000 kN. Assume 1.2% steel. 07
--- Content provided by FirstRanker.com ---
(b) Design suitable base for column ISHB 300@ 63 kg/m, carrying axial load of 1000kN. The SBC is 180 kN/m². Permissible bearing pressure 3.8 N/mm². 07
OR
Q.3 (a) 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
(b) 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
Q4 (a) 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
--- Content provided by FirstRanker.com ---
(b) Enlist the failure modes that may control the strength of rivet joints and specify the reasons. 07
OR
Q4 (a) Design simply supported beam of span 6m carrying total load of 25 kN/m. provide only check for deflection. 07
(b) 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
Q.5 (a) Determine load carrying capacity of short braced column of 500 mm diameter reinforced with 8 nos. of 12 mm diameter. 07
--- Content provided by FirstRanker.com ---
(b) 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
OR
Q.5 (a) Design a square footing for an isolated column 450 X 450 mm size carry axial load 1200 kN. Adopt SBC of soil 180 kN/m². 07
(b) Design one way slab for clear span 3 m and thickness of support 300 mm. Take live load 2.5 kN/m² and floor finish 1.0 kN/m². Design slab for flexure only. 07
OR
--- Content provided by FirstRanker.com ---
Q.5 (a) States merits and demerits of R.C.C. and steel structures. 07
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University