A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Tunnel supporting structure penetrating through existing pile foundation building and construction method thereof
The invention provides a tunnel supporting structure penetrating through an existing pile foundation building and a construction method thereof. The tunnel supporting structure comprises bearing replacement piles, joists, pile foundation fixing assemblies and steel columns, wherein the joists are arranged on the bearing replacement piles, the pile foundation fixing assemblies are arranged on the peripheries of existing pile foundations, each pile foundation fixing assembly comprises a first fixing part and a second fixing part, the first fixing parts and the second fixing parts are detachablyconnected, pile foundation fixing holes are formed between the first fixing parts and the second fixing parts, the existing pile foundations penetrate through the pile foundation fixing holes, steel column mounting holes are formed in the first fixing parts and the second fixing parts, the steel column mounting holes extend in the vertical direction, the upper parts of the steel columns are arranged in the steel column mounting holes, and the lower parts of the steel columns are connected with the joists; and the construction method comprises the steps of construction of the bearing replacement piles, construction of joist reinforcement cages, construction of the pile foundation fixing assemblies and the steel columns and construction of the joists. According to the tunnel supporting structure, the safety and stability of an existing building can be guaranteed, and safe and smooth construction of a tunnel engineering project can be guaranteed.
本发明提供一种下穿既有桩基建筑物的隧道支护结构及其施工方法，隧道支护结构包括承载置换桩、托梁、桩基固定组件和钢柱，托梁设置在承载置换桩上，桩基固定组件设置在既有桩基四周，桩基固定组件包括第一固定件和第二固定件，第一固定件和第二固定件可拆卸连接，第一固定件和第二固定件之间设置有桩基固定孔，既有桩基贯穿桩基固定孔，第一固定件和第二固定件上均设置有钢柱安装孔，钢柱安装孔沿竖直方向延伸；钢柱的上部设置在钢柱安装孔内，钢柱的下部与托梁连接；施工方法包括施工承载置换桩步骤、施工托梁钢筋笼步骤、施工桩基固定组件和钢柱步骤、施工托梁步骤。本发明既能保障既有建筑物的安全稳定，又能保障隧道工程项目安全顺利施工。
Tunnel supporting structure penetrating through existing pile foundation building and construction method thereof
The invention provides a tunnel supporting structure penetrating through an existing pile foundation building and a construction method thereof. The tunnel supporting structure comprises bearing replacement piles, joists, pile foundation fixing assemblies and steel columns, wherein the joists are arranged on the bearing replacement piles, the pile foundation fixing assemblies are arranged on the peripheries of existing pile foundations, each pile foundation fixing assembly comprises a first fixing part and a second fixing part, the first fixing parts and the second fixing parts are detachablyconnected, pile foundation fixing holes are formed between the first fixing parts and the second fixing parts, the existing pile foundations penetrate through the pile foundation fixing holes, steel column mounting holes are formed in the first fixing parts and the second fixing parts, the steel column mounting holes extend in the vertical direction, the upper parts of the steel columns are arranged in the steel column mounting holes, and the lower parts of the steel columns are connected with the joists; and the construction method comprises the steps of construction of the bearing replacement piles, construction of joist reinforcement cages, construction of the pile foundation fixing assemblies and the steel columns and construction of the joists. According to the tunnel supporting structure, the safety and stability of an existing building can be guaranteed, and safe and smooth construction of a tunnel engineering project can be guaranteed.
本发明提供一种下穿既有桩基建筑物的隧道支护结构及其施工方法，隧道支护结构包括承载置换桩、托梁、桩基固定组件和钢柱，托梁设置在承载置换桩上，桩基固定组件设置在既有桩基四周，桩基固定组件包括第一固定件和第二固定件，第一固定件和第二固定件可拆卸连接，第一固定件和第二固定件之间设置有桩基固定孔，既有桩基贯穿桩基固定孔，第一固定件和第二固定件上均设置有钢柱安装孔，钢柱安装孔沿竖直方向延伸；钢柱的上部设置在钢柱安装孔内，钢柱的下部与托梁连接；施工方法包括施工承载置换桩步骤、施工托梁钢筋笼步骤、施工桩基固定组件和钢柱步骤、施工托梁步骤。本发明既能保障既有建筑物的安全稳定，又能保障隧道工程项目安全顺利施工。
Tunnel supporting structure penetrating through existing pile foundation building and construction method thereof
一种下穿既有桩基建筑物的隧道支护结构及其施工方法
CAI TIANCHENG (author) / QIU JIFENG (author) / LIU XIN (author) / LIU SHUAI (author) / WEN YONGPENG (author) / HU CHUWEN (author)
2020-10-30
Patent
Electronic Resource
Chinese
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