Why are girders of bridges given …
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Posted by Jap Purba 5 years, 9 months ago
- 2 answers
Yogita Ingle 5 years, 9 months ago
I beams have very high moment of inertia for the same volume of the given material. So they have high stability in case of bending moments. The two horizontal parts (called flanges) of the I beam can bear high bending and shearing stress.
That means they do not get twisted and tilted easily. That is why they are used in girders, and as rails on the railway tracks.
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Jap Purba 5 years, 9 months ago
0Thank You