学科分类
/ 4
63 个结果
  • 简介:TemporalchangesinsiteeffectsareobtainedusingtheHVSR(horizontal-to-verticalspectralratio)methodandstrongmotionrecordsaftertheMw7.6Chi-Chiearthquake,Taiwan.Seismicdatarecordedbetween1995and2010areused,comprising3,708datafrom15stationsadjacenttotheChelungpufault.Temporalfluctuationsaredeterminedbyanalyzingthesiteeffectvariationusingatime–frequencyvariation(TFV)diagrambasedontheseseismicdata.Stationsadjacenttothefaultshowsignificantdisturbancesintheresonancefrequencyat16–26Hz.StationTCU129showsa40%dropinfundamentalfrequencyafterthemainshock,andagradualreturntotheoriginalstateovernineyears.Forstationslocatedfartherfromthefaultzone,suddenchangesintectonicstressplayadominantroleintemporalchangestotheHVSR.Animpactanalysisofthedirectionalfactorconfirmsourfindingthattheproximityofthefaulttoseismicstationshasthemostinfluenceondata.

  • 标签: CHI-CHI EARTHQUAKE horizontal-to-vertical SPECTRAL
  • 简介:正Thethesisofthepaper,whichistheobjectofthisDiscussion,isthattheconsiderabledamagesufferedbytheBasilica,aftertheearthquakeofL'Aquilain2009,wastheexclusiveresultoftheinterventionofseismicimprovementofthenaves,madein2000;such

  • 标签:
  • 简介:正Theauthorsthankthediscusserforhisinterestandcarefulreviewofthepaperandhisvaluablecomments.Theyalsowelcomethisdiscussion,becauseitgivestheauthorstheopportunitytoclarifyseveralpointswhichwerenotexplainedinsufficientdetailinthepaper,due

  • 标签: