Design of Steel Structures (DSS) SPPU Endsem Question Paper Nov 2023
All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.
- Subject code
- 301003
- Pattern
- 2019 pattern
- Exam
- Endsem
- Session
- Nov 2023
- Max. marks
- 70
- Time
- 3 Hours
- Semester
- I
- Paper code
- [6180]-13
Printed for: T.E. (Civil)
Instructions to the candidates
- Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6 and Q.7 or Q.8.
- Neat sketches must be drawn wherever necessary.
- Figures to the right indicate full marks
- Take f y = 250 and f e = 410 grade of steel.
- Take ultimate stress in bolt, f ub = 400 N/mm 2 .
- Assume suitable data, if necessary.
- Use of electronic pocket calculator, IS : 800-2007 and steel table are allowed.
- Use of cell phone is prohibited in the examination hall.
Questions
Q1
- a)[3]
Give definition of beam-column along with appropriate illustrations.
- b)[14]
Design a moment resisting base plate that can resist the given factored axial compressive load of 1500 kN and factored bending moment of 100 kNm, assuming that the concrete pedestal used is of M20 grade. The column section to which the base plate will be attached is ISHB 350 weighing 67.4 kg/m.
OR- a)
Q2
- a)[3]
Explain the distinctions between a slab base and a gusseted base.
- b)[14]
A colunm having effective length of 4 m is subjected to factored axial load of 500 kN and factored moment of 75 kNm. Design the column section. Check for section strength only.
- a)
Q3
- a)[4]
Explain in brief web buckling and web crippling with suitable sketches.
- b)[14]
A simply supported steel joist of 5 m effective span carries a working uniformly distributed load 50 kN/m on entire span and a point load of 70 kN at mid span. The section is laterally supported throughout the span. Design an appropriate section. Apply usual checks for strength along with check for deflection.
OR- a)
Q4
Q5
- [17]
This part has equations that don’t show as text. Open the PDF to read it.
ORQ6
- [17]
Determine panel point dead load, imposed load and wind load for a truss as shown in Figure 1. Assume design wind pressure as 1170 N/m 2 , use G.I. Sheet and the centre to centre spacing of truss as 3.5 m. Assume self weight of purlin as 20 N/m 2 on plan area.
Q7
- a)[4]
Explain in brief IS provisions for length and spacing of intermittent weld.
- b)[14]
Design the cross-section of a simply supported welded plate girder with an effective span of 20 m. The girder is subjected to a working uniformly distributed load of 43 kN/m throughout the span, including self-weight. Assume that the compression flange is laterally supported throughout the span. Apply checks for bending and shear.
OR- a)
Q8
- a)[4]
- b)[14]
A simply supported welded plate girder has been designed for a span of 20 m and is subjected to a shear force of 1800 kN and a bending moment of 18500 kNm. The girder’s cross-section comprises flanges that are 800 mm wide and 50 mm thick, and a web that is 20 mm thick and 2500 mm deep. Assume stiff bearing length at support as 300 mm. Design the intermittent welded connections between the flange and web, as well as the end bearing stiffener for the girder.