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一级深基坑支护结构施工方案及应用

Construction Scheme and Application of First Level Deep Foundation Pit Retaining Structure
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摘要 南宁市某商业项目场地属丘陵坡地地貌,地表高差大,形成西南高东北低地形,基坑支护深度6.70~30.40 m,基坑支护周长为437.77 m。项目的一级深基坑施工中的支护结构方案,利用岩土自身强度,可以节省大量的工程材料,同时可以与其他支护结构组合使用,改善受力状态,为今后的相关工作提供参考依据。 The site of a commercial project in Nanning City is a hilly and sloping landform with large surface elevation difference,forming a terrain high in the southwest and low in the northeast. The depth of the foundation pit support is 6.70~30.40 meters,and the perimeter of the foundation pit support is 437.77 meters. in this paper,the supporting structure scheme in the first-level deep foundation pit construction is discussed. By using the strength of the rock and soil itself, a large amount of engineering materials can be saved, and at the same time,it can be combined with other supporting structures to improve the stress state,so as to provide reference for the future work.
作者 张健 ZHANG Jian(Guangdong Provincial Academy of Building Research Group Co.,Ltd.,Guangzhou 510500,China;Guangdong Jianke Construction Consulting Co.,Ltd.,Guangzhou 510500,China)
出处 《广东土木与建筑》 2023年第2期69-73,共5页 Guangdong Architecture Civil Engineering
关键词 一级基坑 支护桩 预应力锚索 降排水 基坑监测 first level foundation pit supporting pile prestressed anchorage drainage foundation pit monitoring
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