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7/23/2019 JUNE 2014 (Ahmed Fathy Abdel-Azeem)

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AIN SHAMS UNIVERSITY

PH.D.

AND

M.SC.

FACULTY OF ENG. EXAM

STRUCT.

ENG. D E P T ~ JuNEib14

SUSPENSION AND GUYED STRUCTURES CES 614

The Exam Consists

of

TWO

Problems

n

Two

Pages

PROBLEM

NO 1

I a. What are the different types of suspension bridges? Sho , by sketches the different structural

systems

for

suspension bridges. Explain with examples the different theorems

for

the static

analysis

of

suspension bridges .

1-b. What

are

the effectS ofWlnd

o

suspension and cable stayed bridges. What causes instabilities of

suspension bridges?

Write downthe

differential equation, solve, and explain the cause of failure

ofthe Tacoma Bridge

1-c. Explain wi th examples ahdfIow charts the. energy as well as the stiffness methods for

formulating the nonlinear equations for prestressed cable net roof structures. Explain by

sketches the Newton Raphson and the Conjugate Gradient methods for

solving nonlinear

equations.

PROBLEM NO 2

. . .

2 a. Formulate and write down the solution steps for the analysis

of

the cable supported and

suspension structures suggested

by Dr.

Saa1 an.

2-b. Write down the assumptions, solution steps and also give a complete

flow

chart explaining Dr.

Hegab's Energy Method for the structural. analysis of the four cable supported and suspension

structures shown below. What modifications ~ d e by Aboul-Ella in this respect.

1 .

h

Cable Supported Roof

of

AHMED FATHY ABDEL-AZEEM SAAD NEAMT-ALLAH


2/18

2

AIN SHAMS UNIVERSITY

PH.D. AND M.SC.

FACULTY

OF

ENG.

EXAM

STRUCT. ENG.

DEPT

JUN

2014

SUSPENSION

AND GUYED STRUCTURES CES 614

3

4

h

Suspension Bridge

h

Cable Stayed Bridge

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_L1 - - --- -- - - -- -

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Cable Stayed Bridge

Fan

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Documents

JUNE 2014 (Ahmed Fathy Abdel-Azeem)