امتحان steel bridge لرابعة عمارة

Road Way Bridge:


-D.L.
of the roadway including weight of R.C. slab + Cover =700.0 kg/m².


-Own
weight of steel parts including own weight of main girders =200.0 kg/m².


L.L. [(60.0 t. + 30.0 t.)Vehicles +
U.D.L.] According to the Egyptian Code of -


Practice
(E.F.S.) must be used to design all bridge elements.





Rail Way Bridge:
- O.W. of rails, sleepers... …etc. = 650 kg/m`of
track.


- For L.L. use train type D.





* Take the impact coefficient
according to the Egyptian code of practice.



Required:


1- Draw I.L. Ds for S.F. and B.M. at the
selected sections.


2- Draw abs. S.F.D
and B.M.D .


3- Design the stringer and X.G. and the
connection between them.


4- Design the
critical sections of the main girder (M.G.).


5- Check the stability of web plate for
M.G.



6-Design the intermediate stiffener and bearing
stiffener.



7-Design the hinged and roller supports .


8-Desigen the
connection between the main girder and the cross girder.


9-Draw to a
suitable scale the general layout and the necessary


details for all designed ports.

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