{"title":"拉格朗日有限差分法的强度折减理论在抗滑移桩锚支护边 坡中的失稳判据讨论","authors":"郑 会","doi":"10.26789/szgc.v7i6.1325","DOIUrl":null,"url":null,"abstract":"运用拉格朗日有限差分法考虑支护结构强度折减的折减理论,通过FLAC 3D软件对抗滑移桩锚支护结构的边坡稳定性破坏进行模拟分析。分别依据计算的收敛性、特征部位位移突变性和塑性区贯通等3种失稳判据,得出算例边坡安全系数,并与简化Bishop法、瑞典圆弧法以及Spencer法技术结果进行比较分析。计算结果表明,在抗滑移桩锚支护边坡稳定性分析中可采用联合特征部位位移突变和塑性区贯通作为失稳判据。","PeriodicalId":63667,"journal":{"name":"市政工程","volume":"27 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"拉格朗日有限差分法的强度折减理论在抗滑移桩锚支护边 坡中的失稳判据讨论\",\"authors\":\"郑 会\",\"doi\":\"10.26789/szgc.v7i6.1325\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"运用拉格朗日有限差分法考虑支护结构强度折减的折减理论,通过FLAC 3D软件对抗滑移桩锚支护结构的边坡稳定性破坏进行模拟分析。分别依据计算的收敛性、特征部位位移突变性和塑性区贯通等3种失稳判据,得出算例边坡安全系数,并与简化Bishop法、瑞典圆弧法以及Spencer法技术结果进行比较分析。计算结果表明,在抗滑移桩锚支护边坡稳定性分析中可采用联合特征部位位移突变和塑性区贯通作为失稳判据。\",\"PeriodicalId\":63667,\"journal\":{\"name\":\"市政工程\",\"volume\":\"27 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-07-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"市政工程\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://doi.org/10.26789/szgc.v7i6.1325\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"市政工程","FirstCategoryId":"1087","ListUrlMain":"https://doi.org/10.26789/szgc.v7i6.1325","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0