经验强度准则在岩体破坏中的应用  

APPLICATIONS OF EXPERINCE STRENGTH THEORY IN ROCK FAILURE

作　　者：黄锋[1] 付挺 

机构地区：[1]昆明理工大学土木系,昆明6502242 [2]中国有色金属工业第十四冶金建设公司,昆明650051

出　　处：《石材》2006年第8期26-29,共4页Stone

摘　　要：著名的Hoek-Brown强度准则,不仅反映了岩体的固有特点和非线性破坏特征,而且弥补了Mohr-Coulomb强度准则的不足,在提出的20年中已得到广泛应用。本文以两者之间的对比为主线,介绍狭义和广义Hoek-Brown经验强度准则,得出经验强度理论在岩体低应力区、拉应力区和非线性破坏等方面的诸多优势,只要成功解决经验参数取值的精确性,它在有关领域可能平行甚至取代Mohr-Coulomb强度准则,是一种很有应用前景的分析理论。The famous Hoek-Brow strength theory has been applied widely for 20 years after being raised. It do not only reveal the inherent properties and nonlinear failure, but also complete the shortage of Mohr-Coulomb strength Hoek-Brow strength theory in theory. In the article, by comparing the two theories, I introduced the narrow and broad conceptions. It can be concluded that Hoek-Brow strength theory has some advantages over the Mohr-Coulomb strength theory in low stress case, stretching stress case, and rock failure. If the experience parameters can be known exactly, it will be equal to even better than Mohr-Coulomb strength theory in many fields. In a word, the experience strength theory has a very good promise.

关 键 词：强度准则 局限性 优点 应用 

分 类 号：TU452[建筑科学—岩土工程]