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A platform for research: civil engineering, architecture and urbanism
Construction method of underground structure sharing enclosure ground wall with existing structure
The invention discloses a construction method of an underground structure sharing an enclosure ground wall with an existing structure, which comprises the following steps: constructing a newly-built underground diaphragm wall in a soil body at a construction position of a post-constructed underground structure, so that the newly-built underground diaphragm wall is connected with the shared enclosure ground wall of the existing structure; the soil body on the inner side of the newly-built diaphragm wall is fully reinforced through cement mixing piles; a row of cast-in-place piles are arranged on the side, away from the existing structure, of the shared enclosure ground wall in a driving mode; the reinforced soil body at the construction position is excavated to form a foundation pit, and meanwhile the soil body between the shared enclosure ground wall and the existing building is replaced and filled with sand materials to form an isolation belt; and the underground structure constructed after construction is constructed in the foundation pit. The method solves the problem that the construction of two underground projects sharing the enclosure ground wall and the construction of the post-constructed underground project easily causes upward floating and deformation of the structure of the pre-constructed underground project.
本发明公开了一种与既有构筑物共用围护地墙的地下结构施工方法，包括于后施工的地下结构的施工位置处的土体中施工新建地连墙，使得所述新建地连墙与既有构筑物的共用围护地墙连接；对所述新建地连墙的内侧的土体采用水泥搅拌桩满堂加固；于所述共用围护地墙的远离所述既有构筑物的一侧打设一排灌注桩；开挖所述施工位置处的加固土体形成基坑，同时将所述共用围护地墙与所述既有构筑物之间的土体换填砂料以形成隔离带；于所述基坑内施工后施工的地下结构。本发明解决了共用围护地墙的两个地下工程，后施工的地下工程的施工容易对先施工的地下工程结构产生上浮、变形的问题。
Construction method of underground structure sharing enclosure ground wall with existing structure
The invention discloses a construction method of an underground structure sharing an enclosure ground wall with an existing structure, which comprises the following steps: constructing a newly-built underground diaphragm wall in a soil body at a construction position of a post-constructed underground structure, so that the newly-built underground diaphragm wall is connected with the shared enclosure ground wall of the existing structure; the soil body on the inner side of the newly-built diaphragm wall is fully reinforced through cement mixing piles; a row of cast-in-place piles are arranged on the side, away from the existing structure, of the shared enclosure ground wall in a driving mode; the reinforced soil body at the construction position is excavated to form a foundation pit, and meanwhile the soil body between the shared enclosure ground wall and the existing building is replaced and filled with sand materials to form an isolation belt; and the underground structure constructed after construction is constructed in the foundation pit. The method solves the problem that the construction of two underground projects sharing the enclosure ground wall and the construction of the post-constructed underground project easily causes upward floating and deformation of the structure of the pre-constructed underground project.
本发明公开了一种与既有构筑物共用围护地墙的地下结构施工方法，包括于后施工的地下结构的施工位置处的土体中施工新建地连墙，使得所述新建地连墙与既有构筑物的共用围护地墙连接；对所述新建地连墙的内侧的土体采用水泥搅拌桩满堂加固；于所述共用围护地墙的远离所述既有构筑物的一侧打设一排灌注桩；开挖所述施工位置处的加固土体形成基坑，同时将所述共用围护地墙与所述既有构筑物之间的土体换填砂料以形成隔离带；于所述基坑内施工后施工的地下结构。本发明解决了共用围护地墙的两个地下工程，后施工的地下工程的施工容易对先施工的地下工程结构产生上浮、变形的问题。
Construction method of underground structure sharing enclosure ground wall with existing structure
与既有构筑物共用围护地墙的地下结构施工方法
YANG JIKUN (author) / ZHANG SHAOZE (author) / WANG DONGLEI (author) / YU GUANGMIN (author) / LIU HAIZHUANG (author)
2024-10-22
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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