向家河大桥库岸地质灾害危险性分区的可拓学评价

›› 2007, Vol. 28 ›› Issue (11): 2445-2450.

向家河大桥库岸地质灾害危险性分区的可拓学评价

尚敏^{1, 2}，陈剑平¹，王征亮³，肖云华¹，吴春勇¹，阙金声¹

1.吉林大学建设工程学院，长春 130026；2.三峡大学地质灾害防治研究院，湖北宜昌 443002；3.中航第四航务勘察设计院有限公司，广州 510230

收稿日期:2005-11-18 出版日期:2007-11-10 发布日期:2013-10-18
作者简介:尚敏，男，1977年生，三峡大学教师，主要从事岩石力学及地质灾害方面的工作
基金资助:
国家自然科学基金（No. 40472136）；教育部资助优秀年轻教师基金项目（No. 120413133）资助；吉林大学985工程资助

Geological disaster risk zoning evaluation based on extenics method in bank near Xiangjiahe Bridge

SHANG Min^1,2, CHEN Jian-ping¹, WANG Zheng-liang³, XIAO Yun-hua¹, WU Chun-yong¹, QUE Jin-sheng¹

1. College of Construction Engineering, Jilin University, Changchun 130026, China; 2. The Research Intuition of Geological Hazard Prevention, China Three Gorges University, Yichang 443002, China;3. Fourth Harbor Engineering Investigation and Design Institute Co. Ltd., Guangzhou 510230, China

Received:2005-11-18 Online:2007-11-10 Published:2013-10-18

摘要/Abstract

摘要： 介绍了可拓方法基本理论，并应用于地质灾害危险性分区，确定了影响地质灾害危险性分区的8个评价指标：评价区内已有灾害点数量、灾害危害对象、岩性及风化程度、岩层的倾向与坡向的组合关系、节理裂隙发育情况、人类活动影响强度、水文地质条件、地形坡度。建立了危险性分级标准，并进行了相应的量化赋值。在评价过程中，以地形图100 m×100 m网格为基本评价单元，通过计算机程序将所有网格数据进行处理，得出了相应的分区等级，并且通过级别特征值的计算，更加准确地反映出所评价区域的实际情况。通过三峡库区向家河大桥库岸地质灾害危险性分区的实践应用，证明这一方法是切实可行的。

关键词: 可拓方法, 地质灾害, 评价指标, 危险性分区

Abstract: The basic theory of extension method is introduced and the method is applied into risk zoning of geological disaster. Eight evaluation indexes were selected to be synthesis appraising system; they are the number of the existed geological diseases, the objects involved by the diseases, the lithology and the weathering degree of the rock mass, the relation between the dip of the discontinuities and the strike of the slopes, the features of the fractures, the influence intensity of human activities, the hydrogeolgy conditions and the dip angle of the slope surface. The risk grading standard is established; and corresponding value assignment is done. During the process of evaluation, the square of 100×100 m2 grid on geographical map is designed as the basic assessment element, and the corresponding zoning grade is obtained by means of grid data processing through computer program. The practical situation of the evaluation area is exactly reflected from the characteristic value of grade. The application practice proves that the extenics method is feasible in risk zoning of geological disaster in Xiangjiahe Bridge bank of Three Gorges Reservoir area in Zhongxian County of Chongqing.

Key words: extenics method, geological disaster, evaluation indexes, risk zoning evaluation

中图分类号:

P 694

尚敏，陈剑平，王征亮，肖云华，吴春勇，阙金声. 向家河大桥库岸地质灾害危险性分区的可拓学评价[J]. , 2007, 28(11): 2445-2450.

SHANG Min1,2, CHEN Jian-ping, WANG Zheng-liang, XIAO Yun-hua, WU Chun-yong, QUE Jin-sheng. Geological disaster risk zoning evaluation based on extenics method in bank near Xiangjiahe Bridge[J]. , 2007, 28(11): 2445-2450.

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