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A platform for research: civil engineering, architecture and urbanism
Dewatering and drainage positioning grouting guide pipe and using method thereof
The invention discloses a dewatering and drainage positioning grouting guide pipe and a using method thereof. The dewatering and drainage positioning grouting guide pipe comprises a perforated steel pipe, a grouting guide pipe body and a grouting guiding pipe body. The perforated steel pipe is composed of a front-end awl-shaped tip, a middle perforated section, a rear-end non-perforated section and a seal; two rows of radial grouting holes are symmetrically and evenly formed in the middle perforated section of the perforated steel pipe in the axial direction, two rows of water pumping holes are symmetrically and evenly formed, the two rows of radial grouting holes and the two rows of water pumping holes are staggered and orthogonal on the cross section of the perforated steel pipe, and theradial grouting holes are directly connected with the grouting guide pipe body and an external rock-soil layer; and the water pumping holes are connected with a water pumping channel and the externalrock-soil layer, so that water pumping and grouting are synchronously carried out. According to the dewatering and drainage positioning grouting guide pipe, through separation of water pumping and grouting, improvement of an existing grouting technology is achieved, and the efficiency of preventing and treating the underground water seepage damage problem is improved.
本发明公开了一种降排水定位注浆导管及其使用方法，该降排水定位注浆导管包括带孔钢管、注浆导向管和注浆导管；所述带孔钢管由前端锥子状尖头、中间带孔段、后端无孔段和封口组成；所述带孔钢管的中间带孔段上沿轴向对称均匀设置两列径向注浆孔，对称均匀设置两列抽水孔，且两列径向注浆孔与两列抽水孔在带孔钢管的横截面上错位正交，且径向注浆孔直接连接注浆导向管与外界岩土层，抽水孔连接抽水通道与外界岩土层，进而实现抽水与注浆同步进行。本发明通过抽水和注浆的分离，实现了对已有注浆技术的改进，提高了预防和治理地下水渗透破坏问题的效率。
Dewatering and drainage positioning grouting guide pipe and using method thereof
The invention discloses a dewatering and drainage positioning grouting guide pipe and a using method thereof. The dewatering and drainage positioning grouting guide pipe comprises a perforated steel pipe, a grouting guide pipe body and a grouting guiding pipe body. The perforated steel pipe is composed of a front-end awl-shaped tip, a middle perforated section, a rear-end non-perforated section and a seal; two rows of radial grouting holes are symmetrically and evenly formed in the middle perforated section of the perforated steel pipe in the axial direction, two rows of water pumping holes are symmetrically and evenly formed, the two rows of radial grouting holes and the two rows of water pumping holes are staggered and orthogonal on the cross section of the perforated steel pipe, and theradial grouting holes are directly connected with the grouting guide pipe body and an external rock-soil layer; and the water pumping holes are connected with a water pumping channel and the externalrock-soil layer, so that water pumping and grouting are synchronously carried out. According to the dewatering and drainage positioning grouting guide pipe, through separation of water pumping and grouting, improvement of an existing grouting technology is achieved, and the efficiency of preventing and treating the underground water seepage damage problem is improved.
本发明公开了一种降排水定位注浆导管及其使用方法，该降排水定位注浆导管包括带孔钢管、注浆导向管和注浆导管；所述带孔钢管由前端锥子状尖头、中间带孔段、后端无孔段和封口组成；所述带孔钢管的中间带孔段上沿轴向对称均匀设置两列径向注浆孔，对称均匀设置两列抽水孔，且两列径向注浆孔与两列抽水孔在带孔钢管的横截面上错位正交，且径向注浆孔直接连接注浆导向管与外界岩土层，抽水孔连接抽水通道与外界岩土层，进而实现抽水与注浆同步进行。本发明通过抽水和注浆的分离，实现了对已有注浆技术的改进，提高了预防和治理地下水渗透破坏问题的效率。
Dewatering and drainage positioning grouting guide pipe and using method thereof
降排水定位注浆导管及其使用方法
ZHANG LISHA (author) / SUN YIFU (author) / ZHANG JINHONG (author) / WEI GANG (author) / LI BINGHE (author) / ZHAO CHUNYAN (author) / ZHANG CHANGJU (author)
2020-12-15
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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