唐山平原区主要地质灾害综合评价.pdfVIP

第 9卷第 5期 资源与产业 Vol9 No5 2007年 10月 RESOURCES INDUSTRIES Oct2007 1 2 1 , , ( 1 , , 063009; 2, 050021) : 应用模糊数学综合评价的方法, 以唐山平原区主要地质灾害 (地震岩溶塌陷采 塌陷地面沉 降) 为评判因子, 进行定量的危险性评价评价结果表明: 唐山市重度危险区占 5% , 较重危险区占 13% , 两者之和占 18% ; 中度危险区占 713% , 轻度危险区占 3 87% , 两者之和占 82% 这说明, 从总体上 看, 唐山平原区大部分地区地质灾害的危险程度较低, 但重度危险区大部分是人口密度大工业密集的唐山 市区, 因此绝不能忽视地质灾害的危险性 : 唐山平原区; 地质灾害; 综合评价 : X 3 : A : 1673- 2 6 ( 2007) 05- 0028- 03 COMPREHENSIVE ASSESSMENT ON MAJOR GEOLOGICAL DISASTERS IN TANGSHAN PLAIN 1 2 1 WANG M ingge, LI Jianlu , LI Changcun ( 1School of R esources and E nvironmen,t H ebeiP olytechnic University, Tangshan 063009, Ch ina; 2H ebei Institute of Environmental eology, Sh ijiazhuang 050021, China) Abstract: Th is paper, based on fuzziness m athem atics, assesses quan titatively the potential hazards in the m ajor geological d isasters such as earth quakes, karst collapse, m in ing subs idence and land subsidence in Tangshan plain. The results ind icate that the very dangerous area is 5% , dangerous area is 13% , both 18% ; the interm ediate dangerous area is 7. 13% and the less dangerous area is 3 . 87% , both 82% , in Tangshan city, mi p lying a low geological hazard degree in m ost Tangshan plain; but the very dangerous area is m ost located in Tangshan dow ntow n, w here is densely popu lated and h igh ly industrialized, and shall be em phasized to prevent the geological hazards. Key words: Tangshan p lain; geological d isasters; comprehensive assessm ent