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钻孔裂隙岩体结构均质区划分方法研究

魏翔, 杨春和, 刘鹏君, 王贵宾, 陈世万

魏翔, 杨春和, 刘鹏君, 王贵宾, 陈世万. 钻孔裂隙岩体结构均质区划分方法研究[J]. 岩土工程学报, 2016, 38(11): 2101-2106. DOI: 10.11779/CJGE201611021
引用本文: 魏翔, 杨春和, 刘鹏君, 王贵宾, 陈世万. 钻孔裂隙岩体结构均质区划分方法研究[J]. 岩土工程学报, 2016, 38(11): 2101-2106. DOI: 10.11779/CJGE201611021
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WEI Xiang, YANG Chun-he, LIU Peng-jun, WANG Gui-bin, CHEN Shi-wan. Zoning method for structural homogeneity of drilling fractured rock mass[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(11): 2101-2106. DOI: 10.11779/CJGE201611021
Citation: WEI Xiang, YANG Chun-he, LIU Peng-jun, WANG Gui-bin, CHEN Shi-wan. Zoning method for structural homogeneity of drilling fractured rock mass[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(11): 2101-2106. DOI: 10.11779/CJGE201611021
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钻孔裂隙岩体结构均质区划分方法研究  English Version

  • 1. 重庆大学煤矿灾害动力学与控制国家重点实验室,重庆 400044;
    2. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,湖北 武汉 430071;
    3.中国地质大学（武汉）,湖北 武汉 430074

详细信息
    作者简介:

    魏 翔(1989- ),男,博士,主要从事高放废物地质处置研究工作。E-mail: 903153423@qq.com。

Zoning method for structural homogeneity of drilling fractured rock mass

  • 1. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China;
    2. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China;
    3. China University of Geosciences, Wuhan 430074, China

摘要

    摘要
  • 摘要: 岩体结构均质区是针对实际工程特点而划定的成果,在实践过程中需要根据具体工程,抓住主要矛盾后,选择最具影响性的要素作为划分依据。针对裂隙岩体渗透特征这一问题,提出了以密度分区法和产状分区法相结合的均质区划分方法。密度分区法采用重叠窗口对密度绝对差这一指标进行比较来分区;产状分区法首先对列联表中实际频数偏差进行了取样偏差修正,然后利用修正数据对相邻区间进行独立性检验来确定裂隙岩体均质区;采用数学原理对两种分区结果综合考虑获得最终的均质区。将此法应用到钻孔裂隙岩体中,并验证了结果的正确性。
    Abstract: The zoning of structural homogeneity of rock mass is carried out according to the project features. In practice, we must choose the elements which have great influence on the project to be used as the basis of zoning. In view of the problem about the permeability characteristics of fractured rock mass, the zoning method for structural homogeneity, with combines the density partition method with the occurrence partition method, is put forward. The density partition method divides the absolute difference of density using the method of overlapping windows. The occurrence partition method first revises the deviation of actual frequencies of samples in contingency table and then uses the revised data to conduct independence tests to determine the homogeneous zones in the fractured rock mass. Based on the mathematical principles, the final homogeneous zones can be obtained through comprehensive consideration of the results of the above two kinds of partition methods. The propose method is applied the to drilling fractured rock mass, and the validity of its results is verified.
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出版历程
  • 收稿日期:  2015-10-08
  • 发布日期:  2016-11-19

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