钻孔灌注桩的变形规律砂卵石地质中深基坑钢支护

IF 0.2 Q4 ENGINEERING, CIVIL

Civil Engineering Journal-Stavebni Obzor Pub Date : 2023-10-30 DOI:10.14311/cej.2023.03.0022

Xuansheng Cheng, Jiuru He, Xinlei Li, Qingchun Xia, Hongling Su, Chaobo Chen

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引用次数: 0

摘要

本文以成都地铁6号线西南交大站支护体系(深基坑钻孔灌注桩+钢支撑体系)的整个开挖过程为工程背景，研究砂卵石地基深基坑钻孔灌注桩+钢支撑的变形规律。研究了该支护体系的变形规律、基坑外地表沉降规律以及基坑底部松动体的隆升规律。对基坑正角进行了重点分析，评价了支护方案优化的合理性。为后续深基坑施工提供有效指导，为深基坑施工提供参考。

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Deformation rule of bored pile & steel support for deep foundation pit in sandy pebble geology

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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来源期刊

Civil Engineering Journal-Stavebni Obzor ENGINEERING, CIVIL-

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： 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.