滑坡稳定性评价中地震作用力计算的讨论
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摘要
阐述了目前国内外在滑坡地震稳定性评价方面的理论研究成果和实际应用情况,指出地质矿产行业规范在采用静力法计算地震力时没有乘以0.25的综合影响系数,和其它规范的差别是巨大的。分析后认为这个规定是值得商榷的。最后根据宏观震害现象提出易引起滑坡的地质情况并对其进行了分析,为滑坡治理工程设计和以后的规范修编提供了方法和思路。
Domestic and foreign currently research and practical application of the landslide stability evaluation theory was described in the paper.Compared the four norms about the earthquake force calculation that the geology and mineral resources industry norms which calculate the seismic forces in the static method is no influence coefficient multiplied by 0.25,which has enormous difference to the other norms,So this provision in the norms is debatable by many examples analysis.Finally,according to the Macro earthquake damage phenomenon the geological situation which cause landslide was put forward and analyzed,the methods and ideas for landslide control engineering design and specification revision were put forward.
Domestic and foreign currently research and practical application of the landslide stability evaluation theory was described in the paper.Compared the four norms about the earthquake force calculation that the geology and mineral resources industry norms which calculate the seismic forces in the static method is no influence coefficient multiplied by 0.25,which has enormous difference to the other norms,So this provision in the norms is debatable by many examples analysis.Finally,according to the Macro earthquake damage phenomenon the geological situation which cause landslide was put forward and analyzed,the methods and ideas for landslide control engineering design and specification revision were put forward.
引文
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[6]铁道部.(GBJ111-87)铁路工程抗震设计规范[S].北京:中国铁道出版社.1988.Ministry of Railway(GBJ111-87),Code for Seismic Designof Railway Engineering[S].Beijing:Chinese Railway Press,1988.
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[9]杨庆华,姚令侃,邱燕玲,等.高烈度地震区岩土体边坡崩塌动力学特性研究[J].西北地震学报,2011,33(1),33-39.YANG Qing-hua,YAO Ling-kan,QIU Yan-ling,et al.Studyon Seismic Zone of Rock and Soil Slope Collapse DynamicsCharacteristic of High intensity[J].Northwestern Seismologi-cal Journal,2011,33(01):33-39.
[10]龚文俊,李明永,吴志坚.降雨和地震耦合作用对滑坡稳定性的影响——以甘肃西和Ⅲ号滑坡为例[J].西北地震学报,2012,34(2):161-166.GONG Wen-jun,LI Ming-yong,WU ZHi-jian.The Influenceof Rainfall and the Coupling Effect of Earthquake on Land-slide Stability——Taking No.3 Landslide in Xihe CountyGansu As a Case Study[J].Northwestern SeismologicalJournal,2012,34(02):161-166.
[2]黄润秋.汶川地震地质灾害研究[M].北京:科学出版社,2009.HUANG Run-qiou.Study on Geological Disasters in Wen-chuan Earthquake[M].Beijing:Science Press,2009.
[3]黄润秋.汶川大地震触发的地震效应分析[J].工程地质学报,2009,17(1)19-28.HUANG Run-qiou.Analysis of Seismic Effect Triggered bythe Great Wenchuan Earthquake[J].Journal of engineering ge-ology,2009,17(1):19-28.
[4]胡广韬.滑坡动力学[M].北京:地质出版社,1995.HU Guang-tao.Landslide Dynamics[M].Beijing:GeologicalPress,1995.
[5]刘红帅,薄景山,刘德东.岩土边坡地震稳定性评价方法研究进展[J].防灾科技学院学报,2007,9(3):1-8.LIU Hong-shuai,BO Jing-shan,LIU De-dong.Advances in E-valuation Methods for the Seismic Stability of Rock Slope[J].Journal of Institute of Disaster Prevention,2007,9(3):1-8.
[6]铁道部.(GBJ111-87)铁路工程抗震设计规范[S].北京:中国铁道出版社.1988.Ministry of Railway(GBJ111-87),Code for Seismic Designof Railway Engineering[S].Beijing:Chinese Railway Press,1988.
[7]交通部.(JTJ004-89)公路工程抗震设计规范[S].北京:人民交通出版社.1990.Ministry of Communications(JTJ004-89).Code for SeismicDesign of Highway Engineering[S].Beijing:China Communi-cations Press,1990.
[8]国土资源部.(DZ/T0219-2006)滑坡防治工程设计与施工技术规范[S].北京:中国标准出版社.2006.Ministry of Land and Resources(DZ/T0219-2006).Techni-cal Specification for Design and Construction of the LandslideControl Project[S].Beijing:China Standards Press,2006.
[9]杨庆华,姚令侃,邱燕玲,等.高烈度地震区岩土体边坡崩塌动力学特性研究[J].西北地震学报,2011,33(1),33-39.YANG Qing-hua,YAO Ling-kan,QIU Yan-ling,et al.Studyon Seismic Zone of Rock and Soil Slope Collapse DynamicsCharacteristic of High intensity[J].Northwestern Seismologi-cal Journal,2011,33(01):33-39.
[10]龚文俊,李明永,吴志坚.降雨和地震耦合作用对滑坡稳定性的影响——以甘肃西和Ⅲ号滑坡为例[J].西北地震学报,2012,34(2):161-166.GONG Wen-jun,LI Ming-yong,WU ZHi-jian.The Influenceof Rainfall and the Coupling Effect of Earthquake on Land-slide Stability——Taking No.3 Landslide in Xihe CountyGansu As a Case Study[J].Northwestern SeismologicalJournal,2012,34(02):161-166.
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