step load change 负荷阶跃 ; 负荷阶跃变化 ; 逐级负载变化
step-load 负载
step load acceptance 带阶跃负荷
step load and unload 分级加卸载
Load Step 载荷步 ; 荷载步
unit step load 阶跃载荷
Step load testing 多级负荷测试
multiple step load 多步载荷
step load response 阶跃负载响应
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Under the axial step load case, dynamic load tends to inspire a higher order buckling mode .
在阶跃轴压载荷情况下，动力载荷可能激发比静力载荷更高阶的屈曲模态。
High temperature fatigue creep test of 316l stainless steel under 1-step and 2-step load was conducted, the influence of the load history on material behavior was investigated emphatically.
进行316 L不锈钢在单级和两级载荷作用下的高温疲劳蠕变试验，研究了载荷历程效应对材料行为的影响。
Based on the unified creep model and the relevant creep equations, the creep properties of rock under step load is studied, and the corresponding creep parameters by fitting curves are obtained.
根据统一蠕变模型和该模型导出的蠕变方程，研究了分级加载条件下的岩石蠕变特性，并且通过曲线拟合得出了相应的蠕变参数。
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