Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pile side directional grouting reinforcement method
The invention relates to a pile side directional grouting reinforcement method which comprises the following steps: S101, forming a grouting hole in a sleeve, and mounting a one-way valve; the sleeve is fixedly installed on the reinforcement cage; s103, the reinforcement cage is hoisted into the pile hole; s105, concrete pouring is carried out; a core pipe is placed at the bottom end of the sleeve, a plugging piece is installed on the core pipe, and a grouting pipe is fixedly installed in the core pipe; s107, a medium is injected into the plugging piece, the plugging piece expands to abut against the inner wall of the casing pipe, grouting is conducted on the core pipe, the medium in the plugging piece is extracted after grouting is completed, the plugging piece does not make contact with the inner wall of the casing pipe, and the core pipe is lifted; and the step S107 is repeated until the core tube is lifted to the top end of the sleeve. According to the reinforcement method, upward backflow of grout is avoided, the grout pushes away the one-way valve outwards during grouting and is sprayed out of the pipe, after grouting is stopped, the one-way valve rebounds, the grouting hole is blocked, inward backflow of the grout is avoided, dual control over the grout is completed, it is guaranteed that grouting is uniform and is not affected by the pressure of the surrounding environment, and the water stopping and reinforcement effects are improved.
本发明涉及一种桩侧定向注浆加固方法，包括以下步骤：步骤S101：在套管上设置注浆孔，并安装单向阀；将套管固定安装在钢筋笼上；步骤S103：将钢筋笼吊装入桩孔内；步骤S105：进行混凝土浇筑；将芯管放至套管的底端部，芯管安装封堵件，芯管内固装注浆管；步骤S107：向封堵件注入介质，封堵件膨胀抵顶套管的内壁，芯管进行注浆，注浆完成后抽出封堵件内的介质，封堵件与套管的内壁无接触，提升芯管；重复步骤S107，直至芯管提升至套管的顶端部。本加固方法避免浆液向上回流，注浆时浆液向外推开单向阀并喷射至管外，停止注浆后单向阀回弹，封堵注浆孔，避免浆液向内回流，完成浆液的双重控制，保证注浆均匀，不受周围环境的压力影响，提高止水、加固效果。
Pile side directional grouting reinforcement method
The invention relates to a pile side directional grouting reinforcement method which comprises the following steps: S101, forming a grouting hole in a sleeve, and mounting a one-way valve; the sleeve is fixedly installed on the reinforcement cage; s103, the reinforcement cage is hoisted into the pile hole; s105, concrete pouring is carried out; a core pipe is placed at the bottom end of the sleeve, a plugging piece is installed on the core pipe, and a grouting pipe is fixedly installed in the core pipe; s107, a medium is injected into the plugging piece, the plugging piece expands to abut against the inner wall of the casing pipe, grouting is conducted on the core pipe, the medium in the plugging piece is extracted after grouting is completed, the plugging piece does not make contact with the inner wall of the casing pipe, and the core pipe is lifted; and the step S107 is repeated until the core tube is lifted to the top end of the sleeve. According to the reinforcement method, upward backflow of grout is avoided, the grout pushes away the one-way valve outwards during grouting and is sprayed out of the pipe, after grouting is stopped, the one-way valve rebounds, the grouting hole is blocked, inward backflow of the grout is avoided, dual control over the grout is completed, it is guaranteed that grouting is uniform and is not affected by the pressure of the surrounding environment, and the water stopping and reinforcement effects are improved.
本发明涉及一种桩侧定向注浆加固方法，包括以下步骤：步骤S101：在套管上设置注浆孔，并安装单向阀；将套管固定安装在钢筋笼上；步骤S103：将钢筋笼吊装入桩孔内；步骤S105：进行混凝土浇筑；将芯管放至套管的底端部，芯管安装封堵件，芯管内固装注浆管；步骤S107：向封堵件注入介质，封堵件膨胀抵顶套管的内壁，芯管进行注浆，注浆完成后抽出封堵件内的介质，封堵件与套管的内壁无接触，提升芯管；重复步骤S107，直至芯管提升至套管的顶端部。本加固方法避免浆液向上回流，注浆时浆液向外推开单向阀并喷射至管外，停止注浆后单向阀回弹，封堵注浆孔，避免浆液向内回流，完成浆液的双重控制，保证注浆均匀，不受周围环境的压力影响，提高止水、加固效果。
Pile side directional grouting reinforcement method
一种桩侧定向注浆加固方法
WANG JINPENG (Autor:in) / HAN QIANG (Autor:in) / YANG WENJIE (Autor:in) / LIU LIANG (Autor:in) / YAN JIANLONG (Autor:in) / DI PENG (Autor:in) / ZHANG ZHIGANG (Autor:in) / LING MENGZHUO (Autor:in) / LI CHUNLEI (Autor:in) / REN LIANG (Autor:in)
19.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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