Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Foundation pit supporting device with controllable deformation and construction method thereof
The deformation-controllable foundation pit supporting structure comprises wave retaining walls and multi-stage grouting anchor rods, every two wave retaining walls are connected through a connecting plate, and the connecting plates are connected with the multi-stage grouting anchor rods; the multi-stage grouting anchor rod comprises a drill bit, a hollow outer pipe, a solid inner pipe, a slurry bag and an expansion component, the drill bit is connected with the hollow outer pipe, the hollow outer pipe is connected with the solid inner pipe through the expansion component, the solid inner pipe, the hollow outer pipe and the drill bit can move relatively, and the slurry bag used for storing cement mortar is arranged on the hollow outer pipe and can make contact with the expansion component. The wave retaining wall comprises an arc-shaped steel plate, unit cell bodies and heat-sensitive supporting rods, the unit cell bodies and the heat-sensitive supporting rods are alternately arranged in the arc-shaped steel plate, and the heat-sensitive supporting rods are heated to generate a linear expansion phenomenon. The expansion component can pop out of the hollow outer pipe and pierce the slurry bag, bentonite can absorb water and expand, compactness is improved, active pressure grouting is achieved, soil is reinforced, a multi-stage expansion body is formed, and the stability of a foundation pit supporting structure is improved.
本发明公开了一种变形可控的基坑支护结构，包括波浪挡墙、多级注浆锚杆，波浪挡墙两两之间通过连接板相连，连接板与多级注浆锚杆相连；多级注浆锚杆包括钻头、中空外管、实体内管、浆囊袋、扩张构件，钻头与中空外管相连，中空外管与实体内管通过扩张构件相连，实体内管与中空外管及钻头能产生相对移动，中空外管上设用于存放水泥砂浆的浆囊袋并能与扩张构件接触；波浪挡墙包括弧形钢板、单元胞体和热敏性撑杆，弧形钢板内交替设置单元胞体、热敏性撑杆，热敏性撑杆受热发生线性膨胀现象。本发明扩张构件能够弹出中空外管并且刺破浆囊袋，膨润土便能够吸水膨胀，提高密实度，主动压力注浆，加固土体，形成多级扩大体，提高基坑支护结构稳定性。
Foundation pit supporting device with controllable deformation and construction method thereof
The deformation-controllable foundation pit supporting structure comprises wave retaining walls and multi-stage grouting anchor rods, every two wave retaining walls are connected through a connecting plate, and the connecting plates are connected with the multi-stage grouting anchor rods; the multi-stage grouting anchor rod comprises a drill bit, a hollow outer pipe, a solid inner pipe, a slurry bag and an expansion component, the drill bit is connected with the hollow outer pipe, the hollow outer pipe is connected with the solid inner pipe through the expansion component, the solid inner pipe, the hollow outer pipe and the drill bit can move relatively, and the slurry bag used for storing cement mortar is arranged on the hollow outer pipe and can make contact with the expansion component. The wave retaining wall comprises an arc-shaped steel plate, unit cell bodies and heat-sensitive supporting rods, the unit cell bodies and the heat-sensitive supporting rods are alternately arranged in the arc-shaped steel plate, and the heat-sensitive supporting rods are heated to generate a linear expansion phenomenon. The expansion component can pop out of the hollow outer pipe and pierce the slurry bag, bentonite can absorb water and expand, compactness is improved, active pressure grouting is achieved, soil is reinforced, a multi-stage expansion body is formed, and the stability of a foundation pit supporting structure is improved.
本发明公开了一种变形可控的基坑支护结构，包括波浪挡墙、多级注浆锚杆，波浪挡墙两两之间通过连接板相连，连接板与多级注浆锚杆相连；多级注浆锚杆包括钻头、中空外管、实体内管、浆囊袋、扩张构件，钻头与中空外管相连，中空外管与实体内管通过扩张构件相连，实体内管与中空外管及钻头能产生相对移动，中空外管上设用于存放水泥砂浆的浆囊袋并能与扩张构件接触；波浪挡墙包括弧形钢板、单元胞体和热敏性撑杆，弧形钢板内交替设置单元胞体、热敏性撑杆，热敏性撑杆受热发生线性膨胀现象。本发明扩张构件能够弹出中空外管并且刺破浆囊袋，膨润土便能够吸水膨胀，提高密实度，主动压力注浆，加固土体，形成多级扩大体，提高基坑支护结构稳定性。
Foundation pit supporting device with controllable deformation and construction method thereof
一种变形可控的基坑支护装置及其施工方法
DONG XIN (Autor:in) / ZHOU FENG (Autor:in) / WANG XUDONG (Autor:in) / ZHU RUI (Autor:in) / WANG YANJIE (Autor:in) / WANG YUCE (Autor:in) / ZENG LIYUAN (Autor:in) / XING WEI (Autor:in) / LIU HENG (Autor:in)
22.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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