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《斷層傾角對近斷層地震動特征的影響》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、AbstractInrecentyears，becauseofthegreatdamagescausedbyseveraldestructiveearthquakesoccuringlately,aswellasoftheaccumulationofthenear-faultseismicrecords，theresearchofcharacteristicsofnear-faultgroundmotionhasbecomeahotfocusofearthquakeengineeringathomeand
2、abroad．Inthelastfewyears，reseachersusuallyusedthemethodofstatisticalanalysisingtheattenuationrealationofnear-faultseismicrecordstostudythecharacteristicsofnear-faultgroundmotion．However,thismethodstronglydependsOUthequantityandqualityoftheseimicrecords．As
3、amaaeroffact，seismicrecordsisstillinsufficientSOfarinadditiontothevariousinfluencingfacorsofthenear-faultgroundmotion，however,wi血respecttoeachfacor,theamountoftherecordsbecomeslessandless．Astheresult，moreandmorereseachersattemptedtousethemethodoftheexplic
4、itfinite—elementnumericsimulationtostudythenear-faultgroundmotion，andtheyhaveachievedmanyvaluableresults．Inthispaper,theauthorusesthemethodoftheexplicitfinite—elementnumericalsimulation，whichisbasedonthemostsimpletwo·-dimensional··finite··elementmodleandk
5、inematicsourcemodel，tostudythebasiccharacteristicsofnear-faultgroundmotion，suchasthechangingtendencyofthehanging—walleffectandtheverticaleffectasweonlychangethefaultdiporthedepthofthetopofthefault．MoredetailsaresummarizedasfcIllows：1)Theresearchmethodsoft
6、henear-faultgroundmotionaresystemicallyreviewedandCompared．Thebasiccharacteristicsofnear-faultgroundmotionaresummarized，suchasthehangingwaileffect，theverticaleffect，therupturedirectivityeffect，theflingstepeffectandSOon，2)Thecomputingmethodsusedinthenumeri
7、calsimulationforwavemotion--thelumped—massfiniteelementmethodandtheartificalboundary中國地震局工程力學(xué)研究所碩士學(xué)位論文condition，areintroducedindetml．AndthecomputingprogramesforsolvingthedynamicresponseofbothSHandP-SVproblembased0npointsourcemodelarecodedindividually．3)In
8、thispaper，theauthoranalysesandcomparesboththedynamicandthekinematicsourcemodelsimply．Thekinematicsourcemodelbasedontheassumptionofthefinitefaultisintroducedatlength．Tomakeupforthelackofthehi曲-frequencycomponentsinth
