| 越海盾构工程孤石探测技术探索 |
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| 引用本文： | 杨亚璋.越海盾构工程孤石探测技术探索[J].隧道建设,2012,32(5):700-704. |
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| 作者姓名： | 杨亚璋 |
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| 作者单位： | 台山核电合营有限公司,广东台山,529228 |
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| 摘 要： | 为解决盾构隧道施工过程中孤石带来的风险,以台山核电站取水隧洞工程为例,介绍了孤石对盾构施工的危害及处理措施,从物探方法、探测设备、探测范围等多个方面介绍了探测技术,证明采用地震反射波CDP叠加技术进行孤石探测是可行的,并通过钻孔验证了物探成果的准确性。尤其对于1 m以上的孤石探测较为准确。
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| 关 键 词： | 越海隧道 盾构施工 孤石探测 预处理 地震反射波 |
| 收稿时间： | 2012-04-17 |
Boulder Prospecting Technologies for Sea-crossing Shield Tunneling |
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| YANG Yazhang.Boulder Prospecting Technologies for Sea-crossing Shield Tunneling[J].Tunnel Construction,2012,32(5):700-704. |
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| Authors: | YANG Yazhang |
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| Institution: | YANG Yazhang (Taishan Nuclear Power Joint Venture Co. , Ltd. , Taishan 529228, Guangdong, China) |
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| Abstract: | The successful boulder prospecting by means of marine seismic reflection CDP stacking technology adopted in the construction of the water-intake tunnel of Taishan Nuclear Power Station is analyzed, so as to reduce the construction risk of shield-bored tunnel in boulder-containing strata. The practice demonstrates that the geophysical prospecting tech- nology adopted is feasible for prospecting boulders under water, especially for the detection of boulders with diameter be- ing larger than 1 m. |
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| Keywords: | sea-crossing tunnel shield tunneling boulder prospecting pretreatment seismic reflection wave |
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