Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Soft soil foundation pit permeation enhancing and precipitation device and construction method
The invention relates to a soft soil foundation pit permeation enhancing and precipitation device and a construction method, and belongs to the field of civil engineering. According to the device, a well pipe is pre-buried in a drill hole of a soft soil foundation pit; a gap between the outer wall of the well casing and the inner wall of the drill hole is filled with a filter material, and a gap located in the upper portion of the outer wall of the well casing is filled with clay and compacted; the liquid injection system is used for conveying a mixed solution to the outer wall side of the well casing; the ventilation system is used for conveying air to the outer wall side of the well casing; the drainage system is used for draining underground water in the well pipe. The liquid injection system, the ventilation system and the drainage system are additionally arranged on the basis of an existing tube well structure, the permeability of a soft soil stratum is improved through a mixed solution and an inorganic salt solution in the liquid injection system, sand veins can be formed through injection of fine sand, and a seepage channel in a soil body is opened; the turbulence function of the ventilation system ensures the injection consistency of the mixed slurry in the stratum, and splitting cracks can be formed in the soft soil stratum; and the drainage system improves the construction efficiency of soft soil foundation pit dewatering.
本发明涉及了一种软土基坑的增渗降水装置及施工方法，属于土木工程领域。该装置在位于软土基坑的钻孔内预埋井管；井管的外壁与钻孔的内壁之间的缝隙采用滤料填充，位于井管外壁上部的缝隙采用粘土填充并压实；注液系统用于向井管外壁侧输送混合溶液；通气系统用于向井管外壁侧输送空气；排水系统用于排出井管内的地下水。本发明在现有管井结构的基础上增加了注液系统、通气系统和排水系统，注液系统中的混合溶液，无机盐溶液增大了软土地层本身渗透性，细砂的注入能够形成砂脉，打通了土体内部的渗流通道；通气系统的扰动紊流功能确保了地层中混合浆液注入的一致性，且能够使软土地层形成劈裂裂缝；排水系统提高了软土基坑降水的施工效率。
Soft soil foundation pit permeation enhancing and precipitation device and construction method
The invention relates to a soft soil foundation pit permeation enhancing and precipitation device and a construction method, and belongs to the field of civil engineering. According to the device, a well pipe is pre-buried in a drill hole of a soft soil foundation pit; a gap between the outer wall of the well casing and the inner wall of the drill hole is filled with a filter material, and a gap located in the upper portion of the outer wall of the well casing is filled with clay and compacted; the liquid injection system is used for conveying a mixed solution to the outer wall side of the well casing; the ventilation system is used for conveying air to the outer wall side of the well casing; the drainage system is used for draining underground water in the well pipe. The liquid injection system, the ventilation system and the drainage system are additionally arranged on the basis of an existing tube well structure, the permeability of a soft soil stratum is improved through a mixed solution and an inorganic salt solution in the liquid injection system, sand veins can be formed through injection of fine sand, and a seepage channel in a soil body is opened; the turbulence function of the ventilation system ensures the injection consistency of the mixed slurry in the stratum, and splitting cracks can be formed in the soft soil stratum; and the drainage system improves the construction efficiency of soft soil foundation pit dewatering.
本发明涉及了一种软土基坑的增渗降水装置及施工方法，属于土木工程领域。该装置在位于软土基坑的钻孔内预埋井管；井管的外壁与钻孔的内壁之间的缝隙采用滤料填充，位于井管外壁上部的缝隙采用粘土填充并压实；注液系统用于向井管外壁侧输送混合溶液；通气系统用于向井管外壁侧输送空气；排水系统用于排出井管内的地下水。本发明在现有管井结构的基础上增加了注液系统、通气系统和排水系统，注液系统中的混合溶液，无机盐溶液增大了软土地层本身渗透性，细砂的注入能够形成砂脉，打通了土体内部的渗流通道；通气系统的扰动紊流功能确保了地层中混合浆液注入的一致性，且能够使软土地层形成劈裂裂缝；排水系统提高了软土基坑降水的施工效率。
Soft soil foundation pit permeation enhancing and precipitation device and construction method
一种软土基坑的增渗降水装置及施工方法
TONG LIYUAN (Autor:in) / MA HAIYANG (Autor:in) / LIU SONGYU (Autor:in) / ZHOU XIN (Autor:in) / SOUANT (Autor:in) / CHEN WEN (Autor:in) / ZHANG XINYUAN (Autor:in) / WANG XIAOQIONG (Autor:in) / ZHAO WENLIANG (Autor:in) / LI SHILONG (Autor:in)
01.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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