Page 51 - 2022年第53卷第8期
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[10] GRAVESRW,PITARKAA.Broadbandground - motionsimulationusingahybridapproach[J].Bulletinofthe
                       SeismologicalSocietyofAmerica ,2010,100(5A):2095 - 2123.
                [11] 中华人民共和国住房和城乡建设部.建筑抗震设计规范:GB50011 - 2010[S].北京:中国建筑工业出版
                       社,2010.
                [12] YEHCH,WENYK.Modelingofnonstationarygroundmotionandanalysisofinelasticstructuralresponse[J].
                       StructSaf ,1990,8(1):281 - 298.
                [13] 曹晖,林学鹏.地震动非平稳特性对结构非线性响应影响的分析[J].工程力学,2006,23(12):30 - 35
                [14] 李英成,陈清军.地震动非平稳性对深覆盖场地地震反应的影响[J].土木工程学报,2010(S1):1 - 5.
                [15] 张翠然,陈厚群,涂劲.频率非平稳对大岗山拱坝非线性响应的影响[J].水力发电学报,2012,31(1):77 - 81.
                [16] 俞瑞芳,曲国岩,张冬锋.空间相关多点非平稳地震动合成及其对大跨结构响应的影响[J].振动工程学
                       报,2020,33(5):1013 - 1023.
                [17] 顾淦臣,沈长松,岑威钧.土石坝地震工程学[M].北京:中国水利水电出版社,2009.
                [18] 陈祖煜,程耿东,杨 春 和.关 于 我 国 重 大 基 础 设 施 工 程 安 全 相 关 科 研 工 作 的 思 考 [J].土 木 工 程 学 报,
                      2016,49(3):1 - 5.
                [19] 余翔,孔宪 京,邹 德 高,等.土 石 坝—覆 盖 层—基 岩 体 系 动 力 相 互 作 用 研 究 [J].水 利 学 报,2018,49
                       (11):1378 - 1385.
                [20] BRADLEYBA.A generalizedconditionalintensitymeasureapproachandholisticground - motionselection[J].
                       EarthquakeEngineering& StructuralDynamics ,2010,39(12):1321 - 1342.
                [21] BRADLEYBA.Theseismicdemandhazardandimportanceoftheconditioningintensitymeasure[J].Earthquake
                       Engineering& StructuralDynamics,2012,41(11):1417 - 1437.
                [22] STAFFORDPJ,SGOBBA S,MARANO G C.Anenergy - basedenvelopefunctionforstochasticsimulationof
                       earthquakeaccelerograms[J].SoilDynamicsandEarthquakeEngineering,2009,29(7):1123 - 1133.
                [23] U.S.ArmyCorpsofEngineers.Dynamicresponse,liquefactionanddeformationanalysisofSuccessDam,Tule
                       River[R].DepartmentoftheArmy,CorpsofEngineers,2003.
                [24] ROBERSONPK,WIELERDJ,FINNW DL.Seismicconepenetrationtestforevaluatingliquefactionpotential
                       undercyclicloading[J].CanadianGeotechnicalJournal,1992,29(4):686 - 695.
                [25] WANGZL.Boundingsurfacehypoplasticitymodelforgranularsoilsanditsapplications[D].Davis:Universityof
                       California ,1990.
                [26] WANGZL,MAKDISIFI.ImplementingaboundingsurfacehypoplasticitymodelforsandintotheFLACprogram
                       [C]??FLACandNumericalModelinginGeomechanics,1999:483 - 490.
                [27] ItascaConsultingGroup,Inc.Fastlanguageanalysisofcontinuain2dimensions,Version4.0user’smanual[R].
                       ItascaConsultingGroup ,Inc.,2000.

                              Effectoffrequency - domainnonstationarityofground - motionon
                                   thenonlineardynamicresponsesofembankmentdams

                                      ZHANGRao,JINFeng,HUANGDuruo,LIUNing
                           (StateKeyLaboratoryofHydroscienceandEngineering,TsinghuaUniversity,Beijing 100084,China)

                  Abstract:Groundmotionisacomplextimeserieswithnonstationarityinfrequency - domainwhichhassignificant
                  effectonthedynamicresponseofstructures.Inthispaper ,astochasticsimulationmethodofground - motionisde
                  velopedusingthewaveletpackettransform ,andthenaseriesofsimulatedgroundmotionsthatmatchthetarget
                  spectralaccelerations ,butalsomatchAriasintensity(I)build - upprocess,significantdurationsaswellasnon
                                                            a
                  stationaritycharacteristicsaregenerated.Moreover ,theeffectoffrequency - domainnonstationarityonthenonlinear
                  dynamicresponsesofanembankmentdam areinvestigatedusingthesesyntheticmotions.Resultsshowthatthe
                  groundmotionsofwhichthefrequencynonstationarityiscontrolledhaveabetterunbiasedestimationofthestructur
                  alresponse ,andstationarygroundmotionswillunderestimatetheresponsesofthedam.
                  Keywords:frequency - domainnonstationarity;embankmentdam;nonlinearresponse;syntheticmotions;wavelet
                  packettransform.
                                                                                    (责任编辑:王 婧)

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