Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Micro-disturbance grouting device for controlling horizontal deformation of subway tunnel and construction method
A micro-disturbance grouting device for controlling horizontal deformation of a subway tunnel is arranged between the subway tunnel and a foundation pit and comprises a high-pressure jet grouting pile machine, a jet pipe vertically extending downwards to the surface of a soil body is installed on the high-pressure jet grouting pile machine, and the jet pipe is used for grouting after drilling; a plurality of auxiliary injection pipes which vertically and downwards extend to the surface of the soil body are arranged on the periphery of the injection pipe in the circumferential direction, and the auxiliary injection pipes are used for drilling to release stress or compensating grouting after drilling; a telescopic hydraulic rod is arranged between the auxiliary injection pipe and the injection pipe, a base of the telescopic hydraulic rod is connected with the injection pipe, and the telescopic end of the telescopic hydraulic rod horizontally extends outwards and is connected with the inner side wall of the auxiliary injection pipe. A plurality of tunnel deformation monitoring points are arranged in the subway tunnel, and tunnel deformation monitoring devices are arranged on the tunnel deformation monitoring points. The invention further provides a construction method of the micro-disturbance grouting device for controlling horizontal deformation of the subway tunnel. According to the invention, the effects of adjusting the internal pressure and actively controlling the horizontal deformation of the tunnel can be achieved.
一种控制地铁隧道水平变形的微扰动注浆装置，该装置设置在地铁隧道与基坑之间，包括高压旋喷桩机，高压旋喷桩机上安装有竖直向下延伸至土体表面的喷射管，喷射管用于钻孔后注浆；喷射管的外围沿周向设有若干竖直向下延伸至土体表面的辅助喷射管，辅助喷射管用于钻孔释放应力或钻孔后补偿注浆；辅助喷射管与喷射管之间设有伸缩式液压杆，伸缩式液压杆的底座与喷射管连接，伸缩式液压杆的伸缩端水平向外延伸并与辅助喷射管的内侧壁连接；地铁隧道内设有多个隧道变形监测点，隧道变形监测点上设有隧道变形监控装置。本发明还提供一种控制地铁隧道水平变形的微扰动注浆装置的施工方法。本发明能起到调节地内压力、主动控制隧道水平变形的效果。
Micro-disturbance grouting device for controlling horizontal deformation of subway tunnel and construction method
A micro-disturbance grouting device for controlling horizontal deformation of a subway tunnel is arranged between the subway tunnel and a foundation pit and comprises a high-pressure jet grouting pile machine, a jet pipe vertically extending downwards to the surface of a soil body is installed on the high-pressure jet grouting pile machine, and the jet pipe is used for grouting after drilling; a plurality of auxiliary injection pipes which vertically and downwards extend to the surface of the soil body are arranged on the periphery of the injection pipe in the circumferential direction, and the auxiliary injection pipes are used for drilling to release stress or compensating grouting after drilling; a telescopic hydraulic rod is arranged between the auxiliary injection pipe and the injection pipe, a base of the telescopic hydraulic rod is connected with the injection pipe, and the telescopic end of the telescopic hydraulic rod horizontally extends outwards and is connected with the inner side wall of the auxiliary injection pipe. A plurality of tunnel deformation monitoring points are arranged in the subway tunnel, and tunnel deformation monitoring devices are arranged on the tunnel deformation monitoring points. The invention further provides a construction method of the micro-disturbance grouting device for controlling horizontal deformation of the subway tunnel. According to the invention, the effects of adjusting the internal pressure and actively controlling the horizontal deformation of the tunnel can be achieved.
一种控制地铁隧道水平变形的微扰动注浆装置，该装置设置在地铁隧道与基坑之间，包括高压旋喷桩机，高压旋喷桩机上安装有竖直向下延伸至土体表面的喷射管，喷射管用于钻孔后注浆；喷射管的外围沿周向设有若干竖直向下延伸至土体表面的辅助喷射管，辅助喷射管用于钻孔释放应力或钻孔后补偿注浆；辅助喷射管与喷射管之间设有伸缩式液压杆，伸缩式液压杆的底座与喷射管连接，伸缩式液压杆的伸缩端水平向外延伸并与辅助喷射管的内侧壁连接；地铁隧道内设有多个隧道变形监测点，隧道变形监测点上设有隧道变形监控装置。本发明还提供一种控制地铁隧道水平变形的微扰动注浆装置的施工方法。本发明能起到调节地内压力、主动控制隧道水平变形的效果。
Micro-disturbance grouting device for controlling horizontal deformation of subway tunnel and construction method
一种控制地铁隧道水平变形的微扰动注浆装置及施工方法
WANG ZHE (Autor:in) / FAN DABO (Autor:in) / FENG WEIHAO (Autor:in) / CUI HANSHENG (Autor:in) / YAO WANGJING (Autor:in)
01.11.2022
Patent
Elektronische Ressource
Chinesisch
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