A 20-m-diameter tank exerts a pressure of 100 kpa on a-5-thick layer of sand . the groundwater level is near the surface . the average cone resistance recorded was 15 mpa . estimate the settlement as suggested by thorne and burman .
一个20米直径坦克约100千帕的力压在A-5-厚的沙层。地下水位靠近地表。估计解得平均锥尖阻抗为15兆帕根据thorne and burman。
蹩脚的直译，急~