Roll No. : | Total No. of Pages : 02 |
Total No. of Questions: 18 |
B.Tech. (CE) (2012 to 2017) (Sem.-7)
DESIGN OF STEEL STRUCTURES-II
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Subject Code: BTCE-801
M.Code: 71859
Time: 3 Hrs. | Max. Marks: 60 |
INSTRUCTION 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.
- Assume missing data.
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SECTION-A
Answer briefly :
- List specifications for the design of fillet weld.
- What is gantry girder? Draw a neat sketch of any gantry girder.
- What are the different modes of failures of a plate girder?
- Write Fuller's formula. Indicate the meaning of various notations used.
- What is meant by transverse bents?
- Define efficiency of Joint.
- What is difference between riveted plate girder and welded plate girder?
- Explain Stringer?
- What is the purpose of bearing in bridges?
- What do you mean by economical span length with reference to bridges?
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SECTION-B
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- ISMB 350@ 540 N/m is to join a column ISHB 300@ 588 N/m. The beam has to transmit end reaction of 250 kN. Design a stiffened seat connection.
- Differentiate between Deck type and through type truss bridges. Show various parts of truss bridge with the help of a diagram.
- Determine the flexural design strength of plate girder having simply supported connection and continuous lateral support. Flange: 650 × 50 mm, web: 2000 x 12 mm, span 16 m and only flanges resist bending moment.
- Discuss the various functions of bearing?
- Derive the expression for the economical depth of a plate girder. Assume moment is resisted by flanges only.
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SECTION-C
- 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 = 250 kN.
Self-weight of crane girder excluding trolley = 200 kN.
Self- weight of trolley, electric motor, hook etc = 50 kN.--- Content provided by FirstRanker.com ---
Approximate minimum approach of crane hook to the gantry girder = 1.2 m.
Wheel base= 3.5 m.
CIC distance between gantry rails = 15 m.
Span of gantry girder = 7.5 m.
Self-weight of rail section = 300 N/m.--- Content provided by FirstRanker.com ---
Yield stress of steel = 250MPa. - Design a railway bridge for following data :
Type of bridge = Deck type plate girder bridge.
Span = 16m between centers of bearings.
Gauge - broad, single track, main line.--- Content provided by FirstRanker.com ---
Distance between centers of plate girders = 2 m. - Explain the following:
- Portal sway Bracing
- Mill bent
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This download link is referred from the post: PTU B.Tech 2021 January Previous Question Papers || PTU Punjab Technical University
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