at those on the lower side being com- as the bending load would separately pressed, if T is not too great. Now, undoubtedly one effect of T is to give a certain curve to the beam, the tension would partially straighten that elongate the whole beam and every part of it, throwing the neutral axis for… … creased and the bending moment in- T placement is proportional to r^— for the creased. Hence, the usual calculation would give too large a value to the maxi- section at the distance x, from the free mum strain per square iuch in one case, end of the beam. If T=o, the displace- and too small in the…
Engineering
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