Roll No. Total No. of Pages : 02
Total No. of Questions : 18
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B.Tech. (CE) (2012 to 2017) (Sem.=7)
DESIGN OF STEEL STRUCTURES-II
Subject Code : BTCE-801
M.Code : 71859
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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Answer briefly :
Q1. What do you understand from the term “Curtailment of Flanges”?
Q2. What are the purposes of Stiffeners?
Q3. What are the different modes of failures of a plate, girder?
Q4. Write Fuller’s formula. Indicate the meaning of various notations used.
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Q5. What is gantry girder? Draw a neat sketch of any gantry girder.
Q6. What is meant by transverse bents?
Q7. Explain Stringers.
Q8. What are the differences between rocker and roller bearing?
Q9. Explain in brief about bracings.
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Q10. What do you mean by economical span length with reference to bridges?
SECTION-B
Q11. Design a section of plate girder to carry a uniformly distributed load of 1000kN over a span of 10m. A full lateral support is provided to the compression flange. Provide stiffeners if required.
Q12. Differentiate between Deck type and through type truss bridges. Show various parts of truss bridge with the help of a diagram.
Q13. Discuss the various functions of bearing.
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Q14. Derive the expression for the economical depth of a plate girder. Assume moment is resisted by flanges only.
Q15. Write down the steps of design of stringers.
SECTION-C
Q16. Design a Gantry girder without lateral restraint along its span, to be used in an industrial building carrying a overhead travelling crane for the following data :
Crane Capacity = 300 kN.
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Self-weight of crane girder excluding trolley = 250 kN.
Self-weight of trolley, electric motor, hook etc = 55 kN.
Approximate minimum approach of crane hook to the gantry girder = 1.15 m.
Wheel base =3.5 m.
CIC distance between gantry rails = 15 m.
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Span of gantry girder = 7.4 m.
Self-weight of rail section = 350 N/m.
Yield stress of steel = 250MPa.
Q17. Design a railway bridge for following data :
Type of bridge = Deck type plate girder bridge.
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Span = 18m between centers of bearings.
Gauge - broad, single track, main line-.
Distance between centers of plate girders = 2m.
Q18. Explain the following :
a) Mill bent
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b) Cross-girder
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech Question Papers 2020 December (All Branches)