And by analyzing the evaluation rule of FAI in the process of excavation, we can forecast the variation of extent and depth of the excavation disturbed zone, damage zone and failure zone in the process of excavation.
英
美
- 通過(guò)多個(gè)算例的應用分析表明,利用圍巖中的破壞接近度分布場(chǎng),可給出圍巖塑性區的范圍,應力集中程度的分區,可合理地表達復雜應力狀態(tài)下單元的應力危險性,還可以描述開(kāi)挖損傷區內圍巖的損傷程度,使得應力危險性和應變損傷程度的定量評價(jià)簡(jiǎn)單易行。
