{"title":"概率土-基础-结构相互作用分析的好处","authors":"Z. Harichane, M. Guellil, H. Gadouri","doi":"10.4018/IJGEE.2018010103","DOIUrl":null,"url":null,"abstract":"The present article highlights the beneficial effect of considering soil and structure parameters uncertaintiesonthesoil-structureresponse.Theimpedancefunctionsofacircularfoundationresting onarandomsoillayeroverahomogeneoushalf-spacewereobtainedbyusingconemodels.The obtainedresultsshowedthattherandomnessofthelayer’sthicknessandtheshearwavevelocity significantlyaffectedthemeanspringcoefficientswherebycoefficientsofvariation(COV)of10%and 20%intheseparametersreducedthemeanspringcoefficientsabout32%and40%,respectively,forthe horizontalmotionandabout12.5%and25%,respectively,fortherockingmotion.Thesensitivityofthe meanstructuralresponsetotherandomnesseffectwasobtainedtobemorepronouncedtostructural parameters than to soilparameters. In addition,20%COV inboth soil and structureparameters reducedthemeanstructuralresponseabout39%,translatedbyanincreaseinthedampingofthe coupledsystemwhichmaybeconsideredasabeneficialeffectfromcodeprovisionspointofview. KEywoRdS Cone Model, Impedance Function, MCSs, Randomness, Structural Distortion","PeriodicalId":42473,"journal":{"name":"International Journal of Geotechnical Earthquake Engineering","volume":null,"pages":null},"PeriodicalIF":0.5000,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Benefits of Probabilistic Soil-Foundation-Structure Interaction Analysis\",\"authors\":\"Z. Harichane, M. Guellil, H. Gadouri\",\"doi\":\"10.4018/IJGEE.2018010103\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The present article highlights the beneficial effect of considering soil and structure parameters uncertaintiesonthesoil-structureresponse.Theimpedancefunctionsofacircularfoundationresting onarandomsoillayeroverahomogeneoushalf-spacewereobtainedbyusingconemodels.The obtainedresultsshowedthattherandomnessofthelayer’sthicknessandtheshearwavevelocity significantlyaffectedthemeanspringcoefficientswherebycoefficientsofvariation(COV)of10%and 20%intheseparametersreducedthemeanspringcoefficientsabout32%and40%,respectively,forthe horizontalmotionandabout12.5%and25%,respectively,fortherockingmotion.Thesensitivityofthe meanstructuralresponsetotherandomnesseffectwasobtainedtobemorepronouncedtostructural parameters than to soilparameters. In addition,20%COV inboth soil and structureparameters reducedthemeanstructuralresponseabout39%,translatedbyanincreaseinthedampingofthe coupledsystemwhichmaybeconsideredasabeneficialeffectfromcodeprovisionspointofview. KEywoRdS Cone Model, Impedance Function, MCSs, Randomness, Structural Distortion\",\"PeriodicalId\":42473,\"journal\":{\"name\":\"International Journal of Geotechnical Earthquake Engineering\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.5000,\"publicationDate\":\"2018-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Geotechnical Earthquake Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.4018/IJGEE.2018010103\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"ENGINEERING, GEOLOGICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Geotechnical Earthquake Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4018/IJGEE.2018010103","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, GEOLOGICAL","Score":null,"Total":0}
引用次数: 3
Benefits of Probabilistic Soil-Foundation-Structure Interaction Analysis
The present article highlights the beneficial effect of considering soil and structure parameters uncertaintiesonthesoil-structureresponse.Theimpedancefunctionsofacircularfoundationresting onarandomsoillayeroverahomogeneoushalf-spacewereobtainedbyusingconemodels.The obtainedresultsshowedthattherandomnessofthelayer’sthicknessandtheshearwavevelocity significantlyaffectedthemeanspringcoefficientswherebycoefficientsofvariation(COV)of10%and 20%intheseparametersreducedthemeanspringcoefficientsabout32%and40%,respectively,forthe horizontalmotionandabout12.5%and25%,respectively,fortherockingmotion.Thesensitivityofthe meanstructuralresponsetotherandomnesseffectwasobtainedtobemorepronouncedtostructural parameters than to soilparameters. In addition,20%COV inboth soil and structureparameters reducedthemeanstructuralresponseabout39%,translatedbyanincreaseinthedampingofthe coupledsystemwhichmaybeconsideredasabeneficialeffectfromcodeprovisionspointofview. KEywoRdS Cone Model, Impedance Function, MCSs, Randomness, Structural Distortion
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