皖東某建設(shè)工程地質(zhì)災(zāi)害危險性分析

摘要： 位于皖東某地的一項建設(shè)工程,是當(dāng)?shù)丶�中用地面積最大的建設(shè)項目之一,由于建設(shè)場地原為一處廢棄的采石場,地跨低山丘陵和山前坡崗地,地形高差大,斷層較發(fā)育,地質(zhì)條件比較復(fù)雜,人類工程活動比較強烈,存在較大的地質(zhì)災(zāi)害隱患.作者根據(jù)建設(shè)場地所處的地形、地質(zhì)條件和人類工程活動,認(rèn)為現(xiàn)有的人工巖質(zhì)邊坡基本處于不穩(wěn)定狀態(tài),在斷層交匯處附近地下很可能存在巖溶洞穴,分析了建設(shè)工程可能引發(fā)或遭受的地質(zhì)災(zāi)害主要是崩塌、滑坡、巖溶塌陷、回填土不均勻沉陷和斷裂活動的影響等類型,建議建設(shè)單位采取有效措施加以防范. Abstract： In the east Anhui province,there was an engineering project under construction,which belonged to one of the projects with the largest land use.As it was located on an abandoned quarry,spanning low hills and piedmont areas,and with large elevation differences and development of faults,the background geologic conditions were complex.Moreover,human engineering activities were very intensive in the area,therefore there would be many hidden geological risks.According to the topographical features,the geological conditions and the human engineering intensity around the building site,it was considered that the man-made rock slopes were basically unstable and some karst caves were very likely to exist where faults intersect.So the on-going project would probably trigger some geological accidents,like collapse,landslide,karst breakdown,uneven subsidence of backfilling,and fault movement.Finally,some methods countering the potential hazards were proposed. 作 者： 邱志勇    劉學(xué)全    陳炎    QIU Zhi-yong    LIU xue-quan    CHEN yan   作者單位： 安徽省地質(zhì)環(huán)境監(jiān)測總站,安徽蚌埠,233000  期 刊： 中國地質(zhì)災(zāi)害與防治學(xué)報    Journal： THE CHINESE JOURNAL OF GEOLOGICAL HAZARD AND CONTROL  年，卷(期)： 2010, 21(1)  分類號： X936 P694  關(guān)鍵詞： 皖東    建設(shè)工程    地質(zhì)災(zāi)害    危險性    防治    Keywords： East Anhui province    building engineering    geological hazards    risk    countering measures   

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