朱训国,夏洪春,王忠昶
ZHU Xunguo,XIA Hongchun,WANG Zhongchang

• 1:大连大学建筑工程学院
• 2:大连大学复杂结构系统灾害预测与控制辽宁省重点实验室
• 3:大连交通大学交通学院

摘要(Abstract)：

通过对新旧国标GB 50218—94、GB/T 50218—2014《工程岩体分级标准》相关内容的对比分析,指出了新国标的改进。在国标GB/T 50218—2014《工程岩体分级标准》岩体质量分级的基础上,提出了岩体基本质量指标BQ的简化计算方法,并绘制了岩体基本质量指标与岩石完整程度系数之间的关系,并建立了BQ与R_c、K_v之间的关系表,通过图表结合可以较快地确定岩体基本质量等级。结论可为地下工程稳定性分析提供参考。
Through the comparison and analysis of the relevant contents of the new and old NS(National Standard) standards of engineering classification of rock masses(GB 50218—94, GB/T 50218—2014), the improvement of the new national standard was pointed out. Based on the national standard of engineering classification of rock masses(GB/T 50218—2014), the simplified calculation method of BQ has been put forward, and the relationship figure has been plotted between basic quality index of rock mass and rock integrity coefficient. The relationship table is established among BQ and R_c and K_v. Through the combination of the chart and the table, it can determine the basic quality of rock mass grade faster. It is concluded that it could provide reference for the stability analysis of underground engineering.

关键词(KeyWords)： 深埋巷道;岩体;质量分级;BQ
deep roadway;rock mass;quality classification;BQ

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51374045);; 辽宁省教育厅基金项目(L2012450);; 大连大学博士专项基金项目(08-6)~~

作者(Author): 朱训国,夏洪春,王忠昶
ZHU Xunguo,XIA Hongchun,WANG Zhongchang

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