Bengal Engineering and Science University 2007 B.E Civil Engineering Advanced Structural Engineering - Question Paper

the ques. paper is with the attachment.

B.E.8^th Semester Examination,2007 Subject: Advanced Structural Engg (Elective-I)

Co,de No: CE-803/1

Time : 3 hrs.    Branch : Civil Engg.

Full Marks: 100.

Use separate Answerscripts for each half The questions are of equal value Answer six questions taking three from each half Two marks reserved for neatness of each half.

FIRST HALF

1.    a) Derive expressions of strain in terms of displacement.

b) What is compatibility of strain. Derive the conditions of strain compatibility.

2.    a) What is Airys stress function ? Why it is useful ?

b) Investigate the problem for which Airys stress function is given by i    cU 3

9⁼*v^xy+xy

3.    Starting from plate equations in rectangular coordinate obtain plate equation in polar coordinates. Also obtain expressions for moments and shears in polar coordinate.

4.    Find the expression for deflection W of a circular plate of radius a with clamped edges subjected to uniformly distributed load of intensity q.

Find the value of maximum displacement and the moment values at the center and at the edge of the plate.

5.    a) Explain the terms : Response Spectra, Spectral Displacement and Spectral

pseudo-acceleration.

b) Show how the equations of motion of MDOF systems can be uncoupled by making use of modal properties.

Attachment: bengal-engineering-and-science-university-2007-b-e-civil-engineering-1088-1.pdf

Earning:   Approval pending.