岩体构造特征评价指标分布规律研究及其在岩体质量评价中的应用
首发时间:2009-03-19
摘要:岩体中广泛存在规模不等、性质各异的结构面,是控制岩体稳定性的重要因素。深入了解工程岩体的构造特征,也是组织矿山设计和施工的前提。本文以影响岩体工程稳定性的岩体结构面为主要研究对象,以实际矿山为例,在大量钻孔资料的基础上,通过分析岩体的工程地质条件及各种力学特性,得出岩体构造特征指标的统计分布规律,然后结合岩体质量分类方法,对矿岩体进行质量评价分级。研究结果很好的揭示了工程岩体的整体性质,为矿山的后续工作提供了重要的指导作用。
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An Analysis on the Evaluating Reference Distribution Law of the Characteristics of Rockmass Structure and Its Application in the Evaluation of Rockmass Quality
Abstract:The existing of the discontinuities with different scale and character is an important factor for controlling the stabibility of the rock mass. To analyse the characteristic of the engineering rock mass deeply is the precondition for orgnizing the mining design and construction. In this paper, the rock stuctual plane which affects the stability of the rock mass is the main research object. Using the practical mine as the case, based upon the thorough analysis of the engineering geological condition and various mechanical characteristic, the paper elicits the statistic distributing law of the rock mass’ structuring characteristic. Then it combines the rock mass classification method to grade the rockmass quality. The research conclusion discloses the holistic nature of the engneering rockmass, provinding important guidance for the future work in mine.
Keywords: Rock mass structure RQD Rock mass classification MRMR method
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No.3048944250312374****
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