plastic analysis and design of steel structures
TRANSCRIPT
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.
'w W \J
~ t. 1. l ~. -<'-L-->I+- L-J<:,,- L~"',c- L .1- L-4~ L~
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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