Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Spiral anchor foundation pit supporting structure and construction method
The invention discloses a spiral anchor foundation pit supporting structure and a construction method, and relates to the technical field of foundation pit supporting The spiral anchor foundation pit supporting structure comprises the steps that firstly, a spiral anchor is driven into a soil layer, so that the spiral anchor forms an outer ring spiral anchor and an inner ring spiral anchor; 2, a soil layer is excavated, so that mounting holes used for mounting horizontal pull rods in the spiral anchors are exposed, and the horizontal pull rods are placed; thirdly, layered excavation is conducted, and concrete can be smeared on the inner wall of the foundation pit according to the soil layer condition; 4, top beams are constructed and installed; fifthly, the soil layer continues to be deeply excavated; sixthly, a waist beam is constructed and installed; seventhly, a concrete cushion layer is constructed; eighthly, ground beams are constructed and installed; and ninthly, after foundation construction is completed, the foundation pit is backfilled, and the spiral anchor is reversely screwed and reused. The inner ring spiral anchor and the horizontal pull rod are designed to provide effective lateral support for the outer ring spiral anchor, part of horizontal force under the action of soil pressure is counteracted, and compared with a traditional cantilever supporting structure, the safety and reliability of the structure are improved.
本发明公开了一种螺旋锚基坑支护结构及施工方法，涉及基坑支护技术领域，步骤一：将螺旋锚打入土层内，使得螺旋锚形成外圈螺旋锚和内圈螺旋锚；步骤二：开挖土层，使得螺旋锚上用于安装水平拉杆的安装孔漏露出，并安放水平拉杆；步骤三：分层开挖，根据土层状况，可在基坑内壁涂抹混凝土；步骤四：施工安装冠梁；步骤五：继续深挖土层；步骤六：施工安装腰梁；步骤七：混凝土垫层施工；步骤八：施工安装地梁；步骤九：基础施工完毕后，回填基坑，反向旋拧螺旋锚，反复利用。本发明的内圈螺旋锚和水平拉杆设计为外圈螺旋锚提供了有效的侧向支撑，抵消的土压力作用下的部分水平力，相比于传统的悬臂支撑结构提高了结构的安全性和可靠性。
Spiral anchor foundation pit supporting structure and construction method
The invention discloses a spiral anchor foundation pit supporting structure and a construction method, and relates to the technical field of foundation pit supporting The spiral anchor foundation pit supporting structure comprises the steps that firstly, a spiral anchor is driven into a soil layer, so that the spiral anchor forms an outer ring spiral anchor and an inner ring spiral anchor; 2, a soil layer is excavated, so that mounting holes used for mounting horizontal pull rods in the spiral anchors are exposed, and the horizontal pull rods are placed; thirdly, layered excavation is conducted, and concrete can be smeared on the inner wall of the foundation pit according to the soil layer condition; 4, top beams are constructed and installed; fifthly, the soil layer continues to be deeply excavated; sixthly, a waist beam is constructed and installed; seventhly, a concrete cushion layer is constructed; eighthly, ground beams are constructed and installed; and ninthly, after foundation construction is completed, the foundation pit is backfilled, and the spiral anchor is reversely screwed and reused. The inner ring spiral anchor and the horizontal pull rod are designed to provide effective lateral support for the outer ring spiral anchor, part of horizontal force under the action of soil pressure is counteracted, and compared with a traditional cantilever supporting structure, the safety and reliability of the structure are improved.
本发明公开了一种螺旋锚基坑支护结构及施工方法，涉及基坑支护技术领域，步骤一：将螺旋锚打入土层内，使得螺旋锚形成外圈螺旋锚和内圈螺旋锚；步骤二：开挖土层，使得螺旋锚上用于安装水平拉杆的安装孔漏露出，并安放水平拉杆；步骤三：分层开挖，根据土层状况，可在基坑内壁涂抹混凝土；步骤四：施工安装冠梁；步骤五：继续深挖土层；步骤六：施工安装腰梁；步骤七：混凝土垫层施工；步骤八：施工安装地梁；步骤九：基础施工完毕后，回填基坑，反向旋拧螺旋锚，反复利用。本发明的内圈螺旋锚和水平拉杆设计为外圈螺旋锚提供了有效的侧向支撑，抵消的土压力作用下的部分水平力，相比于传统的悬臂支撑结构提高了结构的安全性和可靠性。
Spiral anchor foundation pit supporting structure and construction method
一种螺旋锚基坑支护结构及施工方法
WANG WENMING (Autor:in) / GAO XINGLIN (Autor:in) / SONG CHENNING (Autor:in) / LI XIULING (Autor:in) / WON CHANG-NO (Autor:in) / LYU XIAO (Autor:in)
11.11.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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