Abstract
Abstract: There are many situations in which the I-Sections used in construction are subjected to moments about their weaker axis, i.e. the y-y axis. For such purposes the Plastic Section Modulus about y-y axis becomes necessary. In the present paper an attempt has been made to calculate and present the values of Zpy, for I.S. Rolled Steel Beam Sections (with tapered flanges). Since IS 800 : 2007[2] has not given the values of Zpy, of any section, one tapered flange I-Section, viz., 125 TFB @ 13.1 kg/m, from “Onesteel” (Australia),[4] has been used to ascertain the correctness of calculations. The results are presented in table form in descending order.
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