Answer to Question #234141 in Mechanical Engineering for Farhad

Question #234141

22. What are the shortcomings of grillage analysis which is commonly used in structural analysis of bridges?


1
Expert's answer
2021-09-07T23:54:58-0400

Grillage analysis suffers from the following shortcomings based on E. C. Hambly:

(i) For coarse mesh, torques may not be identical in orthogonal directions. Similarly, twists may differ in orthogonal directions.

(ii) Moment in any beams is mainly proportional to its curvature only. However, moment in an element depends on the curvatures in the beam’s direction and its orthogonal direction.


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Comments

Farhad
08.09.21, 12:41

Great answer

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