Question

Fig. 6.23 shows a rolled steel beam of an unsynimetrical I section
11 a similar 1-section is welded on top of it to form a symmetrical section,
determine the ratio of moment of resistance of new section to that of the
single section. Assume the permissible bending stress in tension and
compression to be the same
lon.
100mm
50mm 5-
2ou
200mm
7.7
5
50mm
200mm​

Answer 1

Answer:

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