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A platform for research: civil engineering, architecture and urbanism
Construction method of underground diaphragm wall penetrating through foundation pit pipeline
The invention relates to the technical field of tunnels and underground engineering, and particularly relates to a construction method of an underground diaphragm wall penetrating through a foundation pit pipeline. The construction method comprises the following steps that lofting is conducted to mark the trend, the burying depth and the width of the pipeline; excavation is conducted according to the lofting result till complete exposure is achieved; the exposed pipeline is integrally wrapped with an annular partition piece, and filler is arranged between the annular partition piece and the pipeline; two guide walls are poured in the excavation direction of the diaphragm wall, and a diaphragm wall groove excavation space is formed between the two guide walls; soil bodies on the two sides of the pipeline and soil bodies below the pipeline are excavated through a grab bucket, and diaphragm wall grooves are formed; and steel reinforcement cages are put into the diaphragm wall grooves in the two sides of the pipeline correspondingly, concrete is poured, and the diaphragm wall is formed. The pipeline is wrapped with the annular partition piece and the flexible filler, the safety of the pipeline is ensured, the pipeline does not need to be suspended or transferred in the construction process, construction is easy and convenient, and efficiency is higher.
本发明涉及隧道与地下工程技术领域，具体涉及一种穿越基坑管线的地下连续墙施工方法，包括如下步骤：放样标识出管线的走向、埋设深度和宽度；根据放样结果挖掘至完全暴露；在暴露的管线上整体包覆设置环形隔档件，在环形隔档件与管线之间设置填料；沿连续墙开挖方向浇筑两面导向墙，在两面导向墙之间形成连续墙槽开挖空间；抓斗挖掘管线两侧的土体及管线下方的土体，形成连续墙槽；在管线两侧的连续墙槽内分别下放钢筋笼，浇筑混凝土，形成连续墙。管线由环形隔档件和柔性填料包裹确保了管线的安全，施工过程不需要将管线进行悬吊或改迁，施工简便，效率更高。
Construction method of underground diaphragm wall penetrating through foundation pit pipeline
The invention relates to the technical field of tunnels and underground engineering, and particularly relates to a construction method of an underground diaphragm wall penetrating through a foundation pit pipeline. The construction method comprises the following steps that lofting is conducted to mark the trend, the burying depth and the width of the pipeline; excavation is conducted according to the lofting result till complete exposure is achieved; the exposed pipeline is integrally wrapped with an annular partition piece, and filler is arranged between the annular partition piece and the pipeline; two guide walls are poured in the excavation direction of the diaphragm wall, and a diaphragm wall groove excavation space is formed between the two guide walls; soil bodies on the two sides of the pipeline and soil bodies below the pipeline are excavated through a grab bucket, and diaphragm wall grooves are formed; and steel reinforcement cages are put into the diaphragm wall grooves in the two sides of the pipeline correspondingly, concrete is poured, and the diaphragm wall is formed. The pipeline is wrapped with the annular partition piece and the flexible filler, the safety of the pipeline is ensured, the pipeline does not need to be suspended or transferred in the construction process, construction is easy and convenient, and efficiency is higher.
本发明涉及隧道与地下工程技术领域，具体涉及一种穿越基坑管线的地下连续墙施工方法，包括如下步骤：放样标识出管线的走向、埋设深度和宽度；根据放样结果挖掘至完全暴露；在暴露的管线上整体包覆设置环形隔档件，在环形隔档件与管线之间设置填料；沿连续墙开挖方向浇筑两面导向墙，在两面导向墙之间形成连续墙槽开挖空间；抓斗挖掘管线两侧的土体及管线下方的土体，形成连续墙槽；在管线两侧的连续墙槽内分别下放钢筋笼，浇筑混凝土，形成连续墙。管线由环形隔档件和柔性填料包裹确保了管线的安全，施工过程不需要将管线进行悬吊或改迁，施工简便，效率更高。
Construction method of underground diaphragm wall penetrating through foundation pit pipeline
一种穿越基坑管线的地下连续墙施工方法
ZHAO WEI (author) / XIONG KAIYONG (author) / XU TIANLIANG (author) / LIU YANG (author) / ZHU PENGYU (author) / LI XIA (author) / ZHAO LING (author)
2022-01-11
Patent
Electronic Resource
Chinese
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