Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cast-in-situ bored pile hole cleaning device and construction method
The invention provides a cast-in-situ bored pile hole cleaning device and a construction method in the technical field of foundation construction, the cast-in-situ bored pile hole cleaning device comprises a mounting plate supported above a cast-in-situ pile hole, the mounting plate is provided with a pile casing downwards extending into the cast-in-situ pile hole, the pile casing comprises an inner wall and an outer wall, and the lower end of the inner wall and the lower end of the outer wall are sealed through an annular bottom plate; an annular cavity is formed among the inner wall, the outer wall and the annular bottom plate, a slurry inlet pipe and a slurry outlet pipe are arranged at the upper part of the inner wall, an air inlet pipe I and an air inlet pipe II are arranged on the outer wall and are both communicated with the annular cavity, and a plurality of air channels which obliquely extend downwards towards the direction of a cast-in-place pile hole are formed in the outer wall; a sealing ring is arranged between the outer wall above the air duct and the side wall of the cast-in-place pile hole; a plurality of crushing cutters are rotatably connected to the annular bottom plate; the device is convenient to use and high in hole cleaning efficiency.
本发明提供了地基基础施工技术领域内的一种钻孔灌注桩清孔装置及施工方法，包括支撑在灌注桩孔上方的安装板，安装板上设有向下伸入灌桩桩孔的护筒，护筒包括内壁和外壁，内壁下端与外壁下端经环形底板密封，内壁、外壁与环形底板之间形成环状空腔，内壁的上部设有进浆管和出浆管，外壁上设有进气管一和进气管二，进气管一与进气管二均与环状空腔相连通，外壁上开有若干个朝向灌注桩孔所在方向倾斜向下延伸的风道；风道上方的外壁与灌注桩孔侧壁之间设有密封圈；环形底板上可转动地连接有若干个破碎刀；本发明使用方便，清孔效率高。
Cast-in-situ bored pile hole cleaning device and construction method
The invention provides a cast-in-situ bored pile hole cleaning device and a construction method in the technical field of foundation construction, the cast-in-situ bored pile hole cleaning device comprises a mounting plate supported above a cast-in-situ pile hole, the mounting plate is provided with a pile casing downwards extending into the cast-in-situ pile hole, the pile casing comprises an inner wall and an outer wall, and the lower end of the inner wall and the lower end of the outer wall are sealed through an annular bottom plate; an annular cavity is formed among the inner wall, the outer wall and the annular bottom plate, a slurry inlet pipe and a slurry outlet pipe are arranged at the upper part of the inner wall, an air inlet pipe I and an air inlet pipe II are arranged on the outer wall and are both communicated with the annular cavity, and a plurality of air channels which obliquely extend downwards towards the direction of a cast-in-place pile hole are formed in the outer wall; a sealing ring is arranged between the outer wall above the air duct and the side wall of the cast-in-place pile hole; a plurality of crushing cutters are rotatably connected to the annular bottom plate; the device is convenient to use and high in hole cleaning efficiency.
本发明提供了地基基础施工技术领域内的一种钻孔灌注桩清孔装置及施工方法，包括支撑在灌注桩孔上方的安装板，安装板上设有向下伸入灌桩桩孔的护筒，护筒包括内壁和外壁，内壁下端与外壁下端经环形底板密封，内壁、外壁与环形底板之间形成环状空腔，内壁的上部设有进浆管和出浆管，外壁上设有进气管一和进气管二，进气管一与进气管二均与环状空腔相连通，外壁上开有若干个朝向灌注桩孔所在方向倾斜向下延伸的风道；风道上方的外壁与灌注桩孔侧壁之间设有密封圈；环形底板上可转动地连接有若干个破碎刀；本发明使用方便，清孔效率高。
Cast-in-situ bored pile hole cleaning device and construction method
一种钻孔灌注桩清孔装置及施工方法
LIU WEI (Autor:in) / JI DAOBIN (Autor:in) / XU XINWEI (Autor:in) / CHEN SAI (Autor:in) / ZHAO WEIWEI (Autor:in)
21.07.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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