Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pre-insertion positioning construction method for steel pipe column in reverse construction method of low-clearance foundation pit
The invention discloses a low-clearance foundation pit reverse construction method steel pipe column first insertion positioning construction method which is characterized by comprising the following steps: S2, percussion drilling is performed at a marked pile position through a percussion drill suitable for operation in a low-clearance environment to form a pile hole; and S4, the pile inserting platform suitable for operation in the low clearance environment is hoisted to the position above the pile hole through the truck crane, the center of a positioning hole of the pile inserting platform is determined, a plumb line is installed at the center point of the positioning hole of the pile inserting platform, and the center of the positioning hole of the pile inserting platform is adjusted to be located on the plumb line together with the center of the pile hole. Compared with the prior art, the construction method solves the problem of low-clearance reverse construction method steel pipe column installation construction, and has the advantages of being safe, reliable, high in control precision and the like.
本发明公开了一种低净空基坑逆作法钢管柱先插定位施工方法，其特征在于，包括以下步骤：S2、通过适用于低净空环境下作业的冲击钻机在做出标记的桩位处冲击钻进形成桩孔；S4、将适用于低净空环境下作业的插桩平台通过汽车吊吊装至桩孔的上方，确定插桩平台的定位孔的中心，在插桩平台的定位孔的中心点处安装铅垂线，将插桩平台的定位孔的中心调整至与桩孔的中心同时处于铅锤线上。本发明的施工方法相对现有技术，解决了低净空逆作法钢管柱安装施工的问题，具有安全可靠、控制精度高等特点。
Pre-insertion positioning construction method for steel pipe column in reverse construction method of low-clearance foundation pit
The invention discloses a low-clearance foundation pit reverse construction method steel pipe column first insertion positioning construction method which is characterized by comprising the following steps: S2, percussion drilling is performed at a marked pile position through a percussion drill suitable for operation in a low-clearance environment to form a pile hole; and S4, the pile inserting platform suitable for operation in the low clearance environment is hoisted to the position above the pile hole through the truck crane, the center of a positioning hole of the pile inserting platform is determined, a plumb line is installed at the center point of the positioning hole of the pile inserting platform, and the center of the positioning hole of the pile inserting platform is adjusted to be located on the plumb line together with the center of the pile hole. Compared with the prior art, the construction method solves the problem of low-clearance reverse construction method steel pipe column installation construction, and has the advantages of being safe, reliable, high in control precision and the like.
本发明公开了一种低净空基坑逆作法钢管柱先插定位施工方法，其特征在于，包括以下步骤：S2、通过适用于低净空环境下作业的冲击钻机在做出标记的桩位处冲击钻进形成桩孔；S4、将适用于低净空环境下作业的插桩平台通过汽车吊吊装至桩孔的上方，确定插桩平台的定位孔的中心，在插桩平台的定位孔的中心点处安装铅垂线，将插桩平台的定位孔的中心调整至与桩孔的中心同时处于铅锤线上。本发明的施工方法相对现有技术，解决了低净空逆作法钢管柱安装施工的问题，具有安全可靠、控制精度高等特点。
Pre-insertion positioning construction method for steel pipe column in reverse construction method of low-clearance foundation pit
低净空基坑逆作法钢管柱先插定位施工方法
07.06.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
Steel pipe column post-insertion construction method based on reverse construction
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