Illinois Society of Architects · Chicago · leaf 232
rs shallhave not less than four-tenths of a squareInch of metal in its smallest cross-sectionalarea. The spikes, bolts or screws, securingsaid ancliors and tie plates, shall be of suchnumber and size as to transmit the tensilestrain which the anchor is capable of re-sisting into the joists or… … w« fttrwtt*. ftirrrvtUfl PiflT. 18. Kxplan.itory iha|;iuin of niaxiinuiii allowable heightspacing and length of walls with or without but-tresses, piers or pilasters. 231 Walls not more than two stories In height may beof hollow clay tile or moulded hollow con-crete blocks not thinner than the…
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