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A platform for research: civil engineering, architecture and urbanism
Construction method of double-wheel milling cement-soil wall composite anchor cable supporting structure
The invention discloses a construction method of a double-wheel milling cement soil wall composite anchor cable supporting structure, which comprises the following steps: firstly, constructing a double-wheel milling cement soil diaphragm wall, and inserting I-shaped steel into the double-wheel milling cement soil diaphragm wall to form a composite vertical supporting structure; then a first ring beam is poured and constructed on the top of the double-wheel milling cement soil diaphragm wall, an outer side supporting structure unit composed of a horizontal connecting beam and a vertical foundation pile is arranged on the outer side of the first ring beam, then a foundation pit is excavated, and in the excavation process of the foundation pit, a next ring beam is constructed on the inner wall of the double-wheel milling cement soil diaphragm wall every certain depth; anchor cables are arranged on each ring beam in the length direction of the ring beam at equal intervals. Vertical connecting beams are constructed between the upper and lower adjacent ring beams; and after excavation is conducted to the bottom of the foundation pit, a foundation pit floor is poured, a vertical supporting beam is constructed between the foundation pit floor and the last ring beam, and then basement construction is conducted. By means of the method, the foundation pit of the strong permeable layer foundation can be effectively supported, and the safety of the foundation pit excavation and underground structure construction process is guaranteed.
本发明公开了一种双轮铣水泥土墙复合锚索支护结构的施工方法，首先构建双轮铣水泥土防渗墙，并在其中插入工字钢形成复合竖向支护结构；然后在双轮铣水泥土防渗墙顶部浇筑构建首道圈梁，在首道圈梁外侧设置由水平连接梁和竖向基桩组成的外侧支撑结构单元，然后开挖基坑，在基坑开挖过程中，每隔一定的深度在双轮铣水泥土防渗墙内壁上构建下一道圈梁，并且在每道圈梁上沿其长度方向等间距布置锚索；并且在上下相邻的各道圈梁之间构建竖向连接梁；开挖至基坑底后，浇筑基坑地板，并在基坑地板和最后一道圈梁之间构建竖向支撑梁，然后进行地下室施工。本方法能够有效对强透水层地基基坑进行支护，保证开挖基坑和地下结构施工过程的安全性。
Construction method of double-wheel milling cement-soil wall composite anchor cable supporting structure
The invention discloses a construction method of a double-wheel milling cement soil wall composite anchor cable supporting structure, which comprises the following steps: firstly, constructing a double-wheel milling cement soil diaphragm wall, and inserting I-shaped steel into the double-wheel milling cement soil diaphragm wall to form a composite vertical supporting structure; then a first ring beam is poured and constructed on the top of the double-wheel milling cement soil diaphragm wall, an outer side supporting structure unit composed of a horizontal connecting beam and a vertical foundation pile is arranged on the outer side of the first ring beam, then a foundation pit is excavated, and in the excavation process of the foundation pit, a next ring beam is constructed on the inner wall of the double-wheel milling cement soil diaphragm wall every certain depth; anchor cables are arranged on each ring beam in the length direction of the ring beam at equal intervals. Vertical connecting beams are constructed between the upper and lower adjacent ring beams; and after excavation is conducted to the bottom of the foundation pit, a foundation pit floor is poured, a vertical supporting beam is constructed between the foundation pit floor and the last ring beam, and then basement construction is conducted. By means of the method, the foundation pit of the strong permeable layer foundation can be effectively supported, and the safety of the foundation pit excavation and underground structure construction process is guaranteed.
本发明公开了一种双轮铣水泥土墙复合锚索支护结构的施工方法，首先构建双轮铣水泥土防渗墙，并在其中插入工字钢形成复合竖向支护结构；然后在双轮铣水泥土防渗墙顶部浇筑构建首道圈梁，在首道圈梁外侧设置由水平连接梁和竖向基桩组成的外侧支撑结构单元，然后开挖基坑，在基坑开挖过程中，每隔一定的深度在双轮铣水泥土防渗墙内壁上构建下一道圈梁，并且在每道圈梁上沿其长度方向等间距布置锚索；并且在上下相邻的各道圈梁之间构建竖向连接梁；开挖至基坑底后，浇筑基坑地板，并在基坑地板和最后一道圈梁之间构建竖向支撑梁，然后进行地下室施工。本方法能够有效对强透水层地基基坑进行支护，保证开挖基坑和地下结构施工过程的安全性。
Construction method of double-wheel milling cement-soil wall composite anchor cable supporting structure
一种双轮铣水泥土墙复合锚索支护结构的施工方法
CHEN ZHIJUN (author) / ZHANG RUIQI (author) / ZHUGE AIJUN (author)
2022-07-29
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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