RollNo. ...........................Total No. of Questions: 08) [Total No. of Pages: 03

<. M.Tech.PLASTIC ANALYSIS AND DESIGN OF STEEL STRUCTURES

SUBJECT CODE :CE -506

. Paper ID: (E0846)INote: Please fillsubject code'and paper IDon OMRI

Time: 03 Hours

Instruction to Candidates:

Maximum Marks: 100

1)

2)

Attempt any Five questions.

All questions carry equal marks.

Ql) (a) A rectangular section has 200mm x 400mm cross-section. Determine

plastic section .?1odulus anQ load factor.

(b) For the section shown, find the shape factor. Take Py = 250 MPa andFOS = 1.62.

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Q2) Compute the ultimate load for the continuous beam loaded and supported asunder. Perform the moment balancing operation. Draw B.M.D. TakeEI = constant.

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Q3) Explain the concept of minimum weight design. Explain theorems associated

with minimum weight design of steel structures. How do y?U apply techniqueoflinear programming to minimum weight design problems.

J -4/15 /8129/ P.T.o.

Q4) '(a) A fixed beam is subjected to udl 'w' acting throughout the span. Usingmechanism method, compute the ulitmate load.

(b) A fixed beam is subjected to a concentrated load 'w' at ( ~ ) fromoneend. Compute ultimate deflection.

Q5) Compute ultimate load for the frame shown. Also draw B.M.D.

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Q6) (a) Enumerate the factors on wh~ch fully plastic moment is dependent.Discuss influence of shear force on fully plastic. Moment of a beam ofrectangular section.

(b) .ExplainKinematic theorem of incremental collapse.

Q7) For the pitched slope portal frame shown, locate instantaneous centre ofrotation. Determine value ofMp for complete collapse.

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Q8) Writeabout the following:

(a) Shake DownAnalysis.

(b) Special considerations for design of structures using light gauge metals.

(c) Relationship between degree of redundancy and number of hingesnecessary to conve11a framed structure into a mechanism.

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J -4/ J5 3