Labels:dialog box | hakham | monitor | stairs | web site OCR: Development of the Bell Footing Overview Mr Simpson then incorporated the use of water well History of footings drilling ria powered by men, to bore 18 inch diameter Bell Development of ithe through the uedpr depth. where the seasonal Footing holes Pre-molded bell moisture changes occurred, down to lower depth where footings the moisture content of the clay soil had been observed to Review be more or less constant The design concept was References consider the frictional support only on the resulting TEST concrete pile The results were not completely satis factory was assumed that the frictional support value of the concrete shaft against the soft clay soil was not fully achie ved The well digger Mr Duderstadt thought that additional support could be provided if there were bulge on the bot ...
