{"title":"Deformation rule of bored pile & steel support for deep foundation pit in sandy pebble geology","authors":"Xuansheng Cheng, Jiuru He, Xinlei Li, Qingchun Xia, Hongling Su, Chaobo Chen","doi":"10.14311/cej.2023.03.0022","DOIUrl":null,"url":null,"abstract":"Regarding the whole excavation process of the support system of the Southwest Jiaotong University Station of Chengdu Metro Line 6 (the deep foundation pit bored pile + steel support and support system) as the engineering background, this paper studies the deformation rule of the deep foundation pit bored pile + steel support of the sandy pebble foundation. The deformation rule of this support system, the settlement rule of the ground surface outside the pit, and the rule of the uplift of the loose at the bottom of the pit are studied. A key analysis of the positive corner of the foundation pit is conducted, and the rationality of the optimization of the support scheme is evaluated. This paper provides effective guidance for the subsequent deep foundation pit construction and provides a reference for deep foundation pit construction.","PeriodicalId":42993,"journal":{"name":"Civil Engineering Journal-Stavebni Obzor","volume":"45 8","pages":"0"},"PeriodicalIF":0.2000,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Civil Engineering Journal-Stavebni Obzor","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14311/cej.2023.03.0022","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, CIVIL","Score":null,"Total":0}
引用次数: 0
Abstract
Regarding the whole excavation process of the support system of the Southwest Jiaotong University Station of Chengdu Metro Line 6 (the deep foundation pit bored pile + steel support and support system) as the engineering background, this paper studies the deformation rule of the deep foundation pit bored pile + steel support of the sandy pebble foundation. The deformation rule of this support system, the settlement rule of the ground surface outside the pit, and the rule of the uplift of the loose at the bottom of the pit are studied. A key analysis of the positive corner of the foundation pit is conducted, and the rationality of the optimization of the support scheme is evaluated. This paper provides effective guidance for the subsequent deep foundation pit construction and provides a reference for deep foundation pit construction.
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The Civil Engineering Journal’s objective is to present the latest progress in research and development in civil engineering. It is desired to provide free and up to date information regarding innovations in various civil engineering fields. The Civil Engineering Journal is opened for all authors worldwide that follow the journal‘s requirements (theme, template and affirmative reviews). The journal is administrated by a public university (Civil Engineering faculty, Czech Technical University in Prague) and therefore publishing is free of charge with no exceptions. Main journal themes correspond to specialization of the Civil Engineering Faculty, CTU in Prague. Namely: Applied informatics Architecture Building Constructions and Municipal Engineering Building structures Building materials and components Building physics, building services Construction technology Construction management and economics Geodesy, Cartography, GIS Geotechnics Hydraulics and hydrology Hydraulic structures Indoor environmental and building services engineering Landscape water conservation Road and railway structures Sanitary and ecological engineering Structural mechanics Urban facility management Urban design, Town and regional planning Water management, Water structures.
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