This download link is referred from the post: PTU B.Tech 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021
Roll No.
Total No. of Questions : 18
Total No. of Pages : 02
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B.Tech. (CE) (2012 to 2017) (Sem.-7)
BRIDGE ENGINEERING
Subject Code : BTCE-820
M.Code : 71879
Time: 3 Hrs.
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Max. Marks : 60
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.
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SECTION-A
Write briefly :
- Discuss various types of abutments.
- Define 'scour depth' and 'afflux', essential in determination of design discharge.
- List the loads to be considered in the design of plate girder bridge.
- Describe culverts and draw sketch of box culvert.
- What are the causes of bridge failure?
- Describe the fixed bearing and elastomeric bearing.
- Differentiate between balanced cantilever bridges and continuous girder bridges.
- Discuss the different loading causes for the design of a single rent R.C pipe culvert.
- Write short note on ‘choice of a bridge type'.
- What are the methods of construction of concrete and steel bridges?
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SECTION-B
- Explain the class A and B loading as per IRC.
- Discuss about the various forces acting on the “Suspension Bridge". Also define the "Economical Span". FirstRanker.com
- What is a bridge foundation? Explain it with neat sketch. What are the various function and types of foundation? FirstRanker.com
- A reaction of 2000kN is expected at a support of 20m spanned T-Beam Bridge. Design a rocker and roller bearing. The details are :
- Allowable pressure on roller: 6 N/mm²
- Bearing pressure on rocker pin: 25 N/mm²
- Allowable pressure on concrete bed block: 3 N/mm²
- What are the functions of bearings in bridges? Sketch an elastomeric bearing and mark its parts.
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SECTION-C
- Draw a typical view of a box culvert. Also discuss why the box culverts are economical. Explain in detail the steps of designing of the following for a box culvert :
- Loads and reaction of box culvert
- Hydraulic design of box culvert
- Structural design of box culvert
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- The foundation for substructure of a bridge construction of 18 piles to carry a total load of 8500 kN. The piles are spaced at 1.5m. They are driven through soft ground to a hard stratum available at a depth of 12m. Design the pile foundation using M20 grade concrete and Fe 415 grade steel.
- Using the following particulars, design a plate girder bridge for a broad gauge track :
- Span: 20m
- To level of the railway embankment: 120m
- Bed level of the stream: 110m
- G.L suitable for foundation: 100m
- Stream bond top level: 101.50m
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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 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021