11
Question
The compact section of a laterally unsupported steel beam has an elastic section modulus, plastic section modulus and design bending compressive stress of
400cm3,600cm3 and 150 MPa respectively.
The design flexural capacity (in kNm) of the section will be ______.
400cm3,600cm3 and 150 MPa respectively.
The design flexural capacity (in kNm) of the section will be ______.
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Solution
Design flexural capacity
Md=βbZp.fbd{βb=1forcompactsection}∴Md=1×600×103×150×10−6 kNm=90kNm
Md=βbZp.fbd{βb=1forcompactsection}∴Md=1×600×103×150×10−6 kNm=90kNm
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The section is plastic. Design bending strength (in kN-m) of the beam is______.Join BYJU'S Learning Program
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