Jingmin Xu , Zehui Yu , Rui Chen , Tao Xu , Churong Chen , Ziqi Wang
{"title":"评估受隧道工程影响的框架结构的剪切刚度和荷载重新分布情况","authors":"Jingmin Xu , Zehui Yu , Rui Chen , Tao Xu , Churong Chen , Ziqi Wang","doi":"10.1016/j.compgeo.2024.106899","DOIUrl":null,"url":null,"abstract":"<div><div>This technical note examines the shear distortion of plane strain framed structures resulting from tunnelling-induced surface differential settlements. An equation for calculating the shear stiffness is derived, considering various structural parameters. The effectiveness of the proposed method is validated through both experimental and finite element modeling results, with its accuracy emphasized by comparison with existing methods. Additionally, a method for estimating the redistribution of pressure beneath the foundation of plane strain framed buildings due to tunnelling is proposed and validated through numerical simulations which adopt an advanced soil constitutive model. The parametric study further demonstrates the applicability of the proposed methods for estimating shear stiffness in three-dimensional structures characterized by similar vertical wall and horizontal slab stiffness. The research findings provide tunnelling engineers with a tool for the rapid estimation of shear stiffness in framed structures and a reliable evaluation of pressure redistribution beneath foundations caused by tunnelling.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"177 ","pages":"Article 106899"},"PeriodicalIF":5.3000,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Evaluation of the shear stiffness and load redistribution of framed structures affected by tunnelling\",\"authors\":\"Jingmin Xu , Zehui Yu , Rui Chen , Tao Xu , Churong Chen , Ziqi Wang\",\"doi\":\"10.1016/j.compgeo.2024.106899\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This technical note examines the shear distortion of plane strain framed structures resulting from tunnelling-induced surface differential settlements. An equation for calculating the shear stiffness is derived, considering various structural parameters. The effectiveness of the proposed method is validated through both experimental and finite element modeling results, with its accuracy emphasized by comparison with existing methods. Additionally, a method for estimating the redistribution of pressure beneath the foundation of plane strain framed buildings due to tunnelling is proposed and validated through numerical simulations which adopt an advanced soil constitutive model. The parametric study further demonstrates the applicability of the proposed methods for estimating shear stiffness in three-dimensional structures characterized by similar vertical wall and horizontal slab stiffness. The research findings provide tunnelling engineers with a tool for the rapid estimation of shear stiffness in framed structures and a reliable evaluation of pressure redistribution beneath foundations caused by tunnelling.</div></div>\",\"PeriodicalId\":55217,\"journal\":{\"name\":\"Computers and Geotechnics\",\"volume\":\"177 \",\"pages\":\"Article 106899\"},\"PeriodicalIF\":5.3000,\"publicationDate\":\"2024-11-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Computers and Geotechnics\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0266352X24008383\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Computers and Geotechnics","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0266352X24008383","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS","Score":null,"Total":0}
Evaluation of the shear stiffness and load redistribution of framed structures affected by tunnelling
This technical note examines the shear distortion of plane strain framed structures resulting from tunnelling-induced surface differential settlements. An equation for calculating the shear stiffness is derived, considering various structural parameters. The effectiveness of the proposed method is validated through both experimental and finite element modeling results, with its accuracy emphasized by comparison with existing methods. Additionally, a method for estimating the redistribution of pressure beneath the foundation of plane strain framed buildings due to tunnelling is proposed and validated through numerical simulations which adopt an advanced soil constitutive model. The parametric study further demonstrates the applicability of the proposed methods for estimating shear stiffness in three-dimensional structures characterized by similar vertical wall and horizontal slab stiffness. The research findings provide tunnelling engineers with a tool for the rapid estimation of shear stiffness in framed structures and a reliable evaluation of pressure redistribution beneath foundations caused by tunnelling.
期刊介绍：
The use of computers is firmly established in geotechnical engineering and continues to grow rapidly in both engineering practice and academe. The development of advanced numerical techniques and constitutive modeling, in conjunction with rapid developments in computer hardware, enables problems to be tackled that were unthinkable even a few years ago. Computers and Geotechnics provides an up-to-date reference for engineers and researchers engaged in computer aided analysis and research in geotechnical engineering. The journal is intended for an expeditious dissemination of advanced computer applications across a broad range of geotechnical topics. Contributions on advances in numerical algorithms, computer implementation of new constitutive models and probabilistic methods are especially encouraged.
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