| 公路隧道围岩动态分级研究 |
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| 引用本文： | 陈吉华,熊燕文.公路隧道围岩动态分级研究[J].西部探矿工程,2011,23(7):190-192,195. |
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| 作者姓名： | 陈吉华 熊燕文 |
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| 作者单位： | 湖南怀化井巷工程有限公司，湖南 怀化 418000;武汉理工大学土木工程与建筑学院，湖北 武汉 430070 |
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| 摘 要： | 指出了我国现行高速公路隧道设计中采用的围岩分级方法的缺陷,提出在施工阶段通过对隧道围岩进行勘探和测试,并对其结果进行综合分析,在此基础上对隧道围岩进行动态分级,并以广贺高速公路文坑隧道YK73+830断面为例,通过对其掌子面处围岩进行地质雷达探测、点荷载试验和声波测试,结果表明实际的围岩级别与设计阶段的不符,从而对其进行调整。
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| 关 键 词： | 公路隧道 围岩 动态分级 |
Dynamic Classification of the Highway Tunnel Surrounding Rock |
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| CHEN Ji-hua,XIONG Yan-wen.Dynamic Classification of the Highway Tunnel Surrounding Rock[J].West-china Exploration Engineering,2011,23(7):190-192,195. |
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| Authors: | CHEN Ji-hua XIONG Yan-wen |
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| Affiliation: | CHEN Ji-hua1,2,XIONG Yan-wen1,2(1.Hunan Huaihua lane Engineering Co.Ltd.,Huaihua Hunan 418000,China,2.Wuhan University Civil Engineering and Architecture College,Wuhan Hubei 430070,China) |
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| Abstract: | The paper points out the flaws of the way for classification of surrounding rock in the highway tunnel design,and poses to explore and test the surrounding rock during the construction stage and analyze its result,then conduce dynamic classification of the tunnel surrounding rock.Giving an example of YK73+830 section of Wenkeng tunnel in Guanghe expressway,through carrying geological radar detection,point-load trial and sound wave test on the surrounding rock of heading face,its results show that the actual... |
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| Keywords: | highway tunnel surrounding rock dynamic classification |
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