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首页> 外文期刊>Earthquake Research in China >Estimation of Potential Risk of Reservoir-Induced Earthquake for the Proposed Hydroelectric Project on the Yangtze Gorges
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Estimation of Potential Risk of Reservoir-Induced Earthquake for the Proposed Hydroelectric Project on the Yangtze Gorges

机译：长江三峡拟建水电项目水库诱发地震的潜在风险估算

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摘要

The proposed hydroelectric project on the Yangtze Gorges will be one of the largest power stations in the world. The problem of induced seismicity to the project has attracted much attention throughout China and the world. A research program has been carried out by the State Seismological Bureau of China. Based on the size of the reservoir and the lithology, geological structure, permeability, stress state, and previous seismicity in the region, the potential risk of reservoir-induced seismicity has been estimated. The results suggest that, after impoundment in the reservoir area, the possibility of induced seismicity cannot be completely ruled out. The areas with potential risk may be in some gorges composed of karstified carbonate and plutonic granite around the dam site. However, the magnitude is expected to be limited owing to the small dimension of the induced seismogenic faults.
机译：拟议中的长江三峡水电项目将是世界上最大的电站之一。该项目诱发地震的问题已经引起了整个中国乃至全世界的关注。中国国家地震局已经进行了一项研究计划。根据储层的大小以及该地区的岩性，地质结构，渗透率，应力状态和该地区以前的地震活动性，已经估算出了油藏诱发地震活动的潜在风险。结果表明，在库区蓄水后，不能完全排除诱发地震的可能性。有潜在危险的区域可能在某些峡谷中，由坝址周围的喀斯特碳酸盐岩和深成花岗岩组成。然而，由于诱发的地震断层的尺寸较小，因此预计震级会受到限制。

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