Sandstone samples with precracks of different dip angles were collected from a coal mine roof and subjected to uniaxial ......

风扇机匣包容性试验是航空发动机适航许可试验的重要内容之一,而风扇叶片的飞断方法是风扇机匣包容试验的关键。简述了发动机风扇......

为防止温度裂缝,在整体式碾压混凝土重力坝中预设裂缝,采用空间有限元法计算具有预裂缝的整体式碾压混凝土重力坝的应力和位移,分......