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中文摘要：
如何利用现场调查和室内试验来估算工程岩体强度参数一直是众多工程技术人员要解决的难点问题，而Hoek-Brown强度准则为此提供了一条良好的途径。文中详细介绍了Hoek-Brown强度准则的由来、发展反目前的发展现状和应用状况，并介绍了最新的Hoek-Brown强度准则和岩体强度估算方法的内容。最后笔者结合国内的一个大型水电工程，详细介绍了其应用和效果。说明该方法完全解决了工程岩体强度参数估算的问题，而且效果电好，有着广泛的应用前景。
英文摘要：
How to estimate the strength parameters of rock mass by utilizing the site investigation and indoor rock mechanic tests is always a hard problem that all the geotechnical specialists to solve, the Hoek- Brown criterion has offered a good approach to solve this problem. This paper deals with the origin, development, present developing situation and application of the Hoek-Brown criterion in detail, and introduces the latest Hoek-Brown criterion and estimate method of rock mass strength. At last, the author, combining a large-scale hydraulic power project, describes the application and the effect of this method, which proves that this method can fully solve the problem to estimate the strength parameters of rock mass, is of good application effect and wide application prospect.
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