西安地裂縫地震動力效應研究.pdf

1、長安大學博士學位論文西安地裂縫地震動力效應研究姓名：陳紅旗申請學位級別：博士專業(yè)：地質工程指導教師：胡廣韜彭建兵2002.5.1AbstractAsakindofindependentgeologicaldisasterXi’allgroundfissuresaremenacingtheengineeringyardofXi、allcityTheseismicdynamiceffectofXi、artgroundfissureswill

2、becomethemostimportantinfluencefactorinkeepingwiththecontrollingstrategyofgroundwaterexploitationcomingstepbystepButitiSregretfulthatthereareminimaliststudiesofthisproblemInthispaperguidedbydialecticalthinking，someworksa

3、ndachievementshavebeenmadeasfollowing：(I)Basedonfieldinvestigation，datacollectionandexpertresolution，accordingtoregionalstabilitydynamicthispaperanalyzesthefourdimensionaldynamicpatternofXi、allgroundfissuresThegeological

4、conceptmodelandphysicalmodelhavebeenmadeupinthispaperf2)Accordingtoanalysisofseismicdynamicenvironmentandseismicprobabilitycalcnlation，thisPaDernotonlydescribeshistoricalseismbutalsoseismicpredictionhasbeenmade(3)Bymeans

5、ofhistoricalanalyses，thispaperstudythehistoricalseismicgroundruptureeffect，knitskistoricalsequenceofseismicevansOuidedbyaboveidea，somenewrealizationshavebeendrawnaboutseismicelementinthesuccessionofgenerationofXi、angroun

6、dfissures(4)刪spaperhasstudiedthefractureeffectinengineeringsiteunderearthquakeactionThcmotionandextensionofblindfaultinragewithextensionandtransactionofcannedgroundfissureisthemainstudytargetPredatorpreYinteractionhasbee

7、nin仃odueedintesearchSomecrackingstrengthenmeasBreShavebeenprovidedwhicharerupturehazardassessmentoriented(5)ThetheoreticalmodeIofgroundmotioneffectofXi’angroundfissureshasbeendiscussedItincludethathowgroundfissuresaffect

8、theseismicwavingfield，howtopreventandhowtostickuDtoseismicdisasters(6)NumericalanalysishasbeendoneduringsemiquantitativeresearchoftheseismicdynamiceffectofXi、angroundfissuresKeywords：groundfissure；seismdynamic；ruptureeff