资源描述：
《基于元胞自动机地震触发崩塌滑坡分布规律》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、基于元胞自动机地震触发崩塌滑坡分布规摘要：为了从物理角度对地震触发崩塌滑坡分布规律的机理进行诠释，通过汶川震区典型路段考察和遥感资料解译发现：位于IX度地震烈度区，崩塌滑坡方量与出现频率之间存在良好的负幕律关系；在X度区，崩塌滑坡面积与出现频率的关系仍可用负幕律描述；在XI度区，这一关系转为对数正态分布•元胞自动机模拟表明：以扰动值递增模拟地震强度的增大，沙堆模型的动力特性也经历了潟律一幕律弱化一对数正态分布的演变过程，从而在自组织临界性的概念框架下，证明了上述不同烈度区地震触发崩塌滑坡分布概型的演变规
2、律具有普适性，为汶川地震崩塌滑坡编目以及高烈度地震山区灾势预估等提供了科学依据.关键词：汶川地震；崩塌滑坡；分布规律；元胞自动机；自组织临界性中图分类号：P642.22文献标志码:ADistributionLawofLandslidesTriggeredbyEarthquakeBasedonCellularAutomataHUANGYidanl,YAOLingkanl,2,3,GUOChenwenl(1.SchoolofCivilEngineering,SouthwestJiaotongUniversi
3、ty，Chengdu610031,China；2.MOEKeyLaboratoryofHighspeedRailwayEngineering,Chengdu610031,China；3.RoadandRailwayEngineeringResearchInstitute,SichuanKeyLaboratoryofSeismicEngineeringandTechnology,Chengdu610031,China)Abstract：Inordertointerpretthemechanismofdis
4、tributionoflandslidestriggeredbyearthquakefromaphysicalpointofview,typica.1sectionsinearthquakezonesintheWenchuanearthquakewereinvestigated，andrelatedremotesensingdatawasinterpreted・Theresultshowsthatthereexistsanegativepowerlawrelationshipbetweenthevolu
5、meandnumberoflandslidesinIXseismicintensityzoneoftheWenchuanearthquake,andthesameistruebetweentheareaandfrequencyoflandslidesinXintensityseismiczone・However,therelationshipchangesintoalognormaldistributioninXIseismicintensityzone.Inaddition,cellularautom
6、atawasusedtoSimulatelandslides・Thecellularautomatonsimulationrevealsthatwiththechangeofdisturbaneeintensity,thedynamicalmechanismofsandpilemodelisfromastrongpowerlawtoaweakpowerlaw,thentoalognormaldistribution.Undertheconceptualframeworkofselforganizedcr
7、iticality,itisprovedthatthedistributionmodeloflandslidesindifferentseismicintensityzoneshasauniversallaw・TheresearchresultsmaynotonlybeusedtoguideinventoryoflandslidestriggeredbytheWenchuanearthquake,butalsoprovideascientificbasisformountaindisasterasses
8、smentinhighseismicintensityzones.Keywords:Wenchuanearthquake；landslide；distributionlaw；cellularautomata；selforganizedcriticality(SOC)“5•12”汶川大地震是有现代观测仪器以来人类所记录到的地震触发山地灾害最严重的大地震，崩塌、滑坡是地震同震触发的主要山地灾害类型•震后5年来，地震触发崩塌滑坡分布规律的研究一直
