A mechanical model is built firstly for single microcrack under uniaxial compression loading, and the stress component of microcrack end is calculated.
首先建立单一微裂纹在单轴压缩荷载作用下的力学模型，求出裂纹端部的应力分量。
Rock uniaxial compression experiment on MTS was conducted, and the loading course was tested by using FBG.
在MTS伺服机上进行了单轴压缩实验，借助光纤光栅对加载过程进行了测试。
Progressive cracking of granite plate under uniaxial compression had been investigated by using a loading frame, which could be well equipped with optical microscope and video recorder.
研究了花岗岩板在单轴压缩应力状态下的微观破坏过程。试验主要采用了液压加载台、光学显微镜、同步录象系统以及二次复型技术等。
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