| 水压致裂地应力测试方法在云南大理-丽江铁路隧道工程中的应用 |
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| 引用本文： | 李金锁,彭华,马秀敏,黎建文,廖怀青,杨绍喜.水压致裂地应力测试方法在云南大理-丽江铁路隧道工程中的应用[J].地质通报,2006,25(5):644-648. |
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| 作者姓名： | 李金锁 彭华 马秀敏 黎建文 廖怀青 杨绍喜 |
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| 作者单位： | 1. 中国地质科学院地质力学研究所,北京,100081
2. 四川省西南大地工程物探有限公司,四川,成都,610072 |
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| 摘 要： | 利用水压致裂地应力测试方法对实际工程区进行了地应力测量,确定了工程区隧道围岩现今的地壳应力状态,即原地应力的大小和方向.根据地应力分布特征,分析了隧道开挖过程中发生岩爆等地质灾害的可能性.地应力测量数据的分析结果可作为隧道衬砌的设计、断面的选择及轴线方位的确定的科学依据.
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| 关 键 词： | 水压致裂 地应力场 水平主压应力 地质灾害 铁路隧道工程 云南 |
| 文章编号： | 1671-2552（2006）05-0644-05 |
| 收稿时间： | 2005-05-11 |
| 修稿时间： | 2006-02-27 |
Application of hydraulic fracturing in-situ stress measurements in tunneling along the Dali-Lijiang Railway, Yunnan, China |
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| LI Jin-suo,PENG Hu,MA Xiu-min,LI Jian-wen,LIAO Huai-qing,YANG Shao-xi.Application of hydraulic fracturing in-situ stress measurements in tunneling along the Dali-Lijiang Railway, Yunnan, China[J].Geologcal Bulletin OF China,2006,25(5):644-648. |
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| Authors: | LI Jin-suo PENG Hu MA Xiu-min LI Jian-wen LIAO Huai-qing YANG Shao-xi |
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| Institution: | 1. Institute of Geomechanics, Chinese Academy of Geological Science, Beijing 100081, China; 2. Sichuan Southwest Dadi Construction Geophysical Exploration Co. Ltd.,Chengdu 610072, Sichuan, China |
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| Abstract: | Hydraulic fracturing in-situ stress measurements have been applied in the engineering region of the Dali-Lijiang Railway. This method has determined the present stress state of the earth's crust, i.e. the magnitude and direction of the in situ stress, in the tunnel wall rocks in the engineering region. According to the distribution features of the insitu stress, the paper analyzes the possibility of rock burst during the excavation of the tunnel. The analytic results of the measuring data may serve as the scientific basis for the lining design, section choice and axis azimuth definition of the tunnel. |
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| Keywords: | hydraulic fracturing in-situ stress field principal horizontal compressive stress geological hazard railway tunneling work Yunnan |
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