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Posted: Thu Jan 15, 2004 11:49 am Post subject: Shear Strength of Conc
Hello Mr. Bhagwat
The bending moment for columns is always linear for gravity & as well as lateral loads. Hence the col. is subjected to shear force. But the presence of B.M. does not ensure that the face will be in tension because of axial loads. This can be ensured while designing the columns. Acc. to charts of SP16 for all the points above the line fst=0 whole section ; hence the steel will be in compression. Hence there will be no steel to be assumed as tensile steel.
The design for shear is empirical one. Our code has taken the formula fro Australian codes & that relates shear strength only with tensile steel.
I think there must be tensile steel present in a section for using this formula as it would have been derived so by tests. What is your point of view.
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