This document provides information for a design of steel structures exam, including instructions, exam sections, and design problems. It has two parts: Part A contains one question worth 28 marks, asking to design a simply supported steel beam or welded plate girder. Part B contains three questions worth 14 marks each, covering the design of a bracket connection, built-up column with lacing, gusseted base plate, and steel beam or purlin sections. The document provides necessary design loads, dimensions, materials, and other requirements to solve the provided structural steel element design problems.

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Subject Code
CED1120 R12
VNR VIGNANA JYOTHI INSTITUTE OF ENGINEERING AND TECHNOLOGY
(AUTONOMOUS)
B.Tech. III Year II Semester Adv. Supplementary Examinations, June/July, 2015
DESIGN OF STEEL STRUCTURES
(CE)
Time: 3Hours Max. Marks: 70M
Note:
1. Use of IS: 800-2007 code and Steel Tables is permitted.
2. Assume any data suitably if necessary.
PART-A
Answer any ONE question 1 x 28=28M
1. Design a simply supported plated rolled steel beam section to carry a uniformly distributed
load of 40 kN/m inclusive of self weight. Effective span of the beam is 5m.
2. Design a welded plate girder of span 24m to carry superimposed load of 35kN/m. Avoid use of
intermediate stiffeners. Design the cross-section, the end load bearing stiffeners and
connections. Use Fe410 steel.
PART-B
Answer any THREE questions 3x14 = 42M
3. A bracket of 10mm thick is bolted to the flange of ISHB 300@577/m. The eccentric factored
load is 250kN and the eccentricity is 300mm. Using M16 bolts of grade4.6, design the
connection.
4. Design a built-up column with two channels back-to-back having an effective length of 6.5m
and carrying a factored load of 1000kN. Also design the lacing.
5. Design a gusseted base plate for a column of ISMB 400 carrying a factored load of 1500kN.
Assume that the column is supported on a concrete of grade M25.
6. A beam is to span an opening of 9m. It carries a uniform load of 12kN/m. The depth of the
beam is limited to 450mm clear head room requirements. Design the cross section of the beam.
Fe410 grade steel is used.
7. Design I section purlin for a trussed roof from the following data
Span of roof = 10M;
Spacing of purlins along slope of truss=2.5 m;
Spacing of Truss=4 m;
Slope of roof truss=1 vertical, 2 horizontal
Wind load on roof surface normal to roof=1100 N/m2
Vertical load from roof sheets, etc=150 N/m2