渤海海峡跨海通道工程区地震危险性分析

祁嘉翔; 纪洪广; 彭华; 李焕君

渤海海峡跨海通道工程区地震危险性分析

1.
北京科技大学土木与环境工程学院, 北京 100083
2.
中国地质科学院地质力学研究所, 北京 100081

基金项目:

海洋地质保障工程项目"渤海海峡跨海通道地壳稳定性调查评价（地应力）" GZH201200504

详细信息

作者简介:
祁嘉翔(1988-), 男, 内蒙古包头市人, 硕士研究生。专业:工程力学。E-mail:qijiaxiang19881228@126.com

通讯作者:
纪洪广, 男, 教授, 博士生导师。E-mail:jihongguang@ces.ustb.edu.cn

中图分类号: P315.9;P694
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出版历程
- 收稿日期: 2012-11-08
- 刊出日期: 2013-03-28

EARTHQUAKE RISK ANALYSIS IN THE ENGINEERING AREA OF BOHAI STRAIT CROSS-SEA CHANNEL

1.
School of Civil and Environmental Engineering, Beijing University of Science and Technology, Beijing 100083, China
2.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

摘要

摘要: 研究渤海海峡地区区域历史地震时空分布特征，分析渤海海峡地区的地震发生位置及其发震规律，论述历史地震对工程场地的影响，为渤海海峡跨海通道的选址提供依据，使选址时尽量避开活动断层以减少地震对跨海通道的影响，增加评判工程稳定性的因子，使评判结论更加可靠。
- 渤海海峡跨海通道 /
- 地震 /
- 地震危险性分析 /
- 地震趋势 /
- 预测
Abstract: Spatial temporal features for regional historical earthquake of Bohai Strait area has been studied, and location and law of the earthquake been analyzed. We discussed the impact of the historical earthquake to the construction area, and provided a theoretical basis for the site choice of the Bohai Strait Cross-Sea Channel, so that the construction area could avoid active faults to the greatest extent, reduced the influence of earthquake to the Bohai Strait Cross-Sea Channel, increased the factor of engineering stable judgment, and made the evaluation more exactly and reliable.
- Bohai Strait Cross-Sea Channel /
- earthquake /
- risk analysis /
- earthquake trend /
- prediction

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图 1 渤海地区M_s≥2.0级地震震中分布

Figure 1. Distribution of epicenters for M_s≥2.0 in the area of Bohai

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图 2 工程区地震深度随纬度变化关系图

Figure 2. Seismic depth changes with latitude for the construction area

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图 3 渤海区域内M_s≥4.0级地震随纬度变化关系

Figure 3. Epicenter changes with latitude of M_s≥4.0 for the area of Bohai

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图 4 蓬莱地震等震线图

Figure 4. Isoseismal map of the Penglai earthquake

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图 5 海城附近地区地震构造图

Figure 5. Geological structure in the Haicheng surrounding area

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图 6 海城地震等震线图

（引自中国震例）

Figure 6. Isoseismal map of the Haicheng earthquake

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图 7 工程区地震震级时序特征

Figure 7. Timing sequence characteristic of the earthquake for the construction area

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图 8 工程区震级-频度关系拟合曲线

Figure 8. Fitting curve of magnitude to frequency for the construction area

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图 9 工程区地质构造图

Figure 9. Geological map for the construction area

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图 10 工程区区域综合等震线图

Figure 10. Comprehensive isoseismal map for construction area

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表 1 渤海地区M_s≥2.0级地震统计

Table 1. Seismic classification statistical table for the area of Bohai

表 2 海城地震等震线参数

Table 2. Isoseismal parameter of Haicheng earthquake

表 3 工程区震级-频度关系拟合曲线

Table 3. Fitting curve of magnitude to frequency for the construction area

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