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Construction method for pulling PC construction method pile
The invention discloses a construction method for pulling a PC construction method pile, which comprises the following steps: S1, before pile pulling construction, dividing three adjacent steel pipe piles into a construction unit from outside to inside at the end part of the outermost side of a supporting structure; s2, when pile pulling construction begins, steel plate baffles are installed, and Larsen steel plate piles on the two sides of the middle steel pipe pile are pulled out correspondingly; s3, a hydraulic bulldozing device is moved to the position above the steel pipe pile on the outer side and fixed to a steel plate baffle; s4, the outer side steel pipe pile is pulled, and meanwhile soil in the pile is pressed through a hydraulic bulldozing device; after the steel pipe piles are pulled out by 10 cm, the hydraulic bulldozing device is dismantled, and then all the steel pipe piles are pulled out; s5, repeating the steps S3-S4 on the middle steel pipe pile until the middle steel pipe pile is pulled out; s6, the steel plate baffles are dismantled, and inner side steel pipe piles are reserved; and S7, the steps S1-S6 are repeated till all the pile bodies of the supporting structure are pulled out. According to the method, the soil body attached to the pile body in the pile pulling construction process can be effectively resisted, and the stability of the surrounding soil body when the PC construction method pile is pulled is improved.
本申请公开一种用于PC工法桩拔桩的施工方法，包括以下步骤：S1、拔桩施工前，在支护结构最外侧端部从外向内将三个相邻的钢管桩划分为一个施工单元；S2、拔桩施工开始时，安装钢板挡板并分别拔出中间钢管桩两侧的拉森钢板桩；S3、将液压推土装置移动到外侧钢管桩上方并固定在钢板挡板上；S4、对外侧钢管桩进行拔桩，同时用液压推土装置对桩内土进行压紧；待钢管桩拔出10cm后，拆除液压推土装置后将钢管桩全部拔出；S5、对中间钢管桩重复步骤S3‑S4直至拔出；S6、拆除钢板挡板，预留内侧钢管桩；S7、重复步骤S1‑S6直至拔出支护结构的全部桩体。该方法能够有效的抵挡拔桩施工过程中附着在桩体上的土体，提高PC工法桩拔桩时周圈土体的稳定性。
Construction method for pulling PC construction method pile
The invention discloses a construction method for pulling a PC construction method pile, which comprises the following steps: S1, before pile pulling construction, dividing three adjacent steel pipe piles into a construction unit from outside to inside at the end part of the outermost side of a supporting structure; s2, when pile pulling construction begins, steel plate baffles are installed, and Larsen steel plate piles on the two sides of the middle steel pipe pile are pulled out correspondingly; s3, a hydraulic bulldozing device is moved to the position above the steel pipe pile on the outer side and fixed to a steel plate baffle; s4, the outer side steel pipe pile is pulled, and meanwhile soil in the pile is pressed through a hydraulic bulldozing device; after the steel pipe piles are pulled out by 10 cm, the hydraulic bulldozing device is dismantled, and then all the steel pipe piles are pulled out; s5, repeating the steps S3-S4 on the middle steel pipe pile until the middle steel pipe pile is pulled out; s6, the steel plate baffles are dismantled, and inner side steel pipe piles are reserved; and S7, the steps S1-S6 are repeated till all the pile bodies of the supporting structure are pulled out. According to the method, the soil body attached to the pile body in the pile pulling construction process can be effectively resisted, and the stability of the surrounding soil body when the PC construction method pile is pulled is improved.
本申请公开一种用于PC工法桩拔桩的施工方法，包括以下步骤：S1、拔桩施工前，在支护结构最外侧端部从外向内将三个相邻的钢管桩划分为一个施工单元；S2、拔桩施工开始时，安装钢板挡板并分别拔出中间钢管桩两侧的拉森钢板桩；S3、将液压推土装置移动到外侧钢管桩上方并固定在钢板挡板上；S4、对外侧钢管桩进行拔桩，同时用液压推土装置对桩内土进行压紧；待钢管桩拔出10cm后，拆除液压推土装置后将钢管桩全部拔出；S5、对中间钢管桩重复步骤S3‑S4直至拔出；S6、拆除钢板挡板，预留内侧钢管桩；S7、重复步骤S1‑S6直至拔出支护结构的全部桩体。该方法能够有效的抵挡拔桩施工过程中附着在桩体上的土体，提高PC工法桩拔桩时周圈土体的稳定性。
Construction method for pulling PC construction method pile
用于PC工法桩拔桩的施工方法
MUNENAO (author) / YANG YANG (author) / MEI PENGFEI (author)
2023-06-23
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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