at of the plates as their sectional areas respectively.This is in agreement with the following laws, which have beendeduced from experiment: (1st) that the ultimate resistance toshearing, in any bolt or rivet, is proportional to the sectionalarea of the bar torn asunder; and (2nd) that the… … tubular girder, or the rib of a cast-iron beam, have no otheroffice to perform than to retain the top and bottom of the girderin position, and that they add nothing to its strength. Hence,also, they have contended for the use of open lattice-work, assufficiently rigid to maintain the required…
Building, Iron and steel
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