【多选题】【消耗次数:1】
静载荷试验中,极限荷载确定依据:()。
取破坏荷载的前一级荷载;
P-S曲线上明显拐点处所对应的荷载;
S-lgt曲线线形由直线变为折线时所对应的前一级荷载;
时间—位移梯度曲线上第二直线段末端的点;
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