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Construction technology of inclined supporting piles for soft soil base enclosure
The invention discloses a construction process of an inclined supporting pile for a soft soil base enclosure, and belongs to the technical field of pile foundation construction. The construction technology comprises the steps that a high-pressure injection pipe performs oblique hole forming and rotary jet grouting on a foundation soil layer at a certain angle to inject cement paste, the cement paste and undisturbed soil of a foundation are evenly stirred and then obliquely implanted into a supporting steel pipe, the supporting steel pipe is implanted in a segmented mode, a grouting pipe and an exhaust pipe are arranged on the supporting steel pipe, and the grouting pipe and the exhaust pipe are implanted along with the supporting steel pipe at the same time; concrete pouring is conducted on the bottoms of the supporting steel pipes through the grouting pipes on the supporting steel pipes, a fixed soil improvement structure is formed at the bottom ends of the inclined supporting steel pipes and around the bottom ends of the inclined supporting steel pipes, and the soil improvement structure is solidified to form a hard supporting solid structure. The method has the advantages that the construction period of the support is shortened, barrier-free earth cutting and structural construction are achieved, excavation of the support foundation pit is reduced, and the support strength is improved.
本发明公开了桩基础施工技术领域的一种用于软土基地围护的斜向支撑桩施工工艺。施工工艺步骤包括高压喷射管对地基土层呈一定角度斜向成孔旋喷注入水泥浆，水泥浆与地基的原状土搅拌均匀后斜向植入支撑钢管，支撑钢管分段植入，支撑钢管上设有注浆管和排气管，注浆管和排气管随支撑钢管同时植入；通过支撑钢管上的注浆管对支撑钢管底部进行混凝土灌注，在所述斜向支撑钢管底端和底端周围形成固定土壤改良结构，土壤改良结构经过固化处理后形成的硬质支撑固体结构。本发明具有节约了支撑的施工周期、实现无障碍挖土及结构施工、减少支撑基坑开挖和提高支撑强度等优点。
Construction technology of inclined supporting piles for soft soil base enclosure
The invention discloses a construction process of an inclined supporting pile for a soft soil base enclosure, and belongs to the technical field of pile foundation construction. The construction technology comprises the steps that a high-pressure injection pipe performs oblique hole forming and rotary jet grouting on a foundation soil layer at a certain angle to inject cement paste, the cement paste and undisturbed soil of a foundation are evenly stirred and then obliquely implanted into a supporting steel pipe, the supporting steel pipe is implanted in a segmented mode, a grouting pipe and an exhaust pipe are arranged on the supporting steel pipe, and the grouting pipe and the exhaust pipe are implanted along with the supporting steel pipe at the same time; concrete pouring is conducted on the bottoms of the supporting steel pipes through the grouting pipes on the supporting steel pipes, a fixed soil improvement structure is formed at the bottom ends of the inclined supporting steel pipes and around the bottom ends of the inclined supporting steel pipes, and the soil improvement structure is solidified to form a hard supporting solid structure. The method has the advantages that the construction period of the support is shortened, barrier-free earth cutting and structural construction are achieved, excavation of the support foundation pit is reduced, and the support strength is improved.
本发明公开了桩基础施工技术领域的一种用于软土基地围护的斜向支撑桩施工工艺。施工工艺步骤包括高压喷射管对地基土层呈一定角度斜向成孔旋喷注入水泥浆，水泥浆与地基的原状土搅拌均匀后斜向植入支撑钢管，支撑钢管分段植入，支撑钢管上设有注浆管和排气管，注浆管和排气管随支撑钢管同时植入；通过支撑钢管上的注浆管对支撑钢管底部进行混凝土灌注，在所述斜向支撑钢管底端和底端周围形成固定土壤改良结构，土壤改良结构经过固化处理后形成的硬质支撑固体结构。本发明具有节约了支撑的施工周期、实现无障碍挖土及结构施工、减少支撑基坑开挖和提高支撑强度等优点。
Construction technology of inclined supporting piles for soft soil base enclosure
一种用于软土基地围护的斜向支撑桩施工工艺
ZHU JINCHENG (author) / XIA SHUJUN (author) / PAN ZHENZHI (author) / YI KUN (author) / QI JIE (author)
2022-03-18
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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