“compressive arch theory”的概念、定义、翻译、参考文献-科学参考

单词	compressive arch theory
释义	compressive arch theory Encyclopedia 理学地下工程释 compressive arch theory普氏拱理论认为隧洞开挖后顶部土体会失去稳定而产生的坍塌，当塌落到一定程度后会形成自稳的压力拱，进入新的稳定平衡状态的理论。又称为平衡拱理论。
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