| 区域地壳稳定性评价“安全岛”理论及方法 |
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| 引用本文： | 胡海涛,殷跃平.区域地壳稳定性评价“安全岛”理论及方法[J].地学前缘,1996,3(1):57-68. |
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| 作者姓名： | 胡海涛 殷跃平 |
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| 作者单位： | 地质矿产部环境地质研究所 |
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| 摘 要： | 阐述了区域地壳稳定性和“安全岛”的概念和定义,以及在重大工程选址中研究它的重要作用。该课题从６０年代至今经历了三个不同的研究发展阶段,已形成具有我国特色的学科领域。文章探讨了区域地壳稳定“安全岛”理论和评价方法,归纳为三种评价方法：主要指标分级评价法;分区评价法;区域稳定（ＣＲＵＳＴＡＢ）专家系统及风险度评价法。最后提出相对稳定地块──安全岛”的识别标志以及从地表构造、深部构造和地震活动图象三方面与“地震空区”的主要区别。
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| 关 键 词： | 区域地壳稳定性 安全岛 评价方法 区域地壳稳定性专家系统 风险度评价方法 |
THEORY AND EVALUATION METHODS OF REGIONAL CRUST STABILITY"SAFETY ISLAND |
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| Hu Haitao,Yin Yueping.THEORY AND EVALUATION METHODS OF REGIONAL CRUST STABILITY"SAFETY ISLAND[J].Earth Science Frontiers,1996,3(1):57-68. |
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| Authors: | Hu Haitao Yin Yueping |
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| Abstract: | The concepts and evaluation methods of regional crust stability-"Safety Island'and its significance to engineering construction are presented in this paper. Thistheory was gradually formed on the basis of the study in China and has taken three developmental stages since 1960s-germination. formation, development. Three evaluationmethods of Regional crust stability- "Safety Island' are discussed in detail: (1) classification of main indexes,(2) zoning,(3) expert system and risk analysis. Here is also presented the indication index of relative stable (tectonic) land mass-"Safety Island" and itsdifference from the"Seismic Gap"in surface structure, deep-seated structure and seismicity. |
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| Keywords: | regional crust stability "Safety Island" evaluation method expert system risk analysis |
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