As the man approached the bin, he took the crisp envelope from his pocket and made as if to tear it in two, preparatory to consigning it to the pile of refuse.
当男人走到垃圾箱跟前时，从口袋里取出一封崭新的信封，好像要把信封撕为两半，准备把它扔进垃圾堆里。
For cantilevered anti-slide pile, displacement of pile increase continuously with time, the topper displacement is max. The failure envelope is nearby design failure surface when load achieve extreme.
对悬臂式抗滑桩，桩身位移随时间的延长不断增大，桩顶位移最大，加载至桩破坏时，其破坏面在拟滑面附近；
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