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A platform for research: civil engineering, architecture and urbanism
Full-rotation full-casing drilling machine and old pile pulling-out construction method thereof
The invention discloses a full-rotation all-casing drilling machine and an old pile pulling construction method thereof. The full-rotation all-casing drilling machine comprises a base, a hydraulic hoop system, a steel sleeve and a hydraulic jacking system. The full-rotation casing pipe drilling machine has the beneficial effects that the full-rotation casing pipe drilling machine is adopted for pile foundation pulling-out construction, under the condition that surrounding soil is not damaged, underground waste steel concrete structures can be removed, pile foundations can be pulled out or replaced without leaving, enclosure construction of hard occlusion of bored cast-in-situ secant piles can also be conducted, and the construction efficiency is improved. By means of the construction method, the possibility that civil technicians implement cast-in-place piles, replacement piles, underground continuous walls and pipe jacking on site under the condition that obstacles such as conglomerate strata, various pile foundations and reinforced concrete structures are completely not removed is achieved, and the shield tunnel can pass through various pile foundations in a barrier-free mode.
本发明公开了一种全回转全套管钻机及其拔除旧桩施工工法，包括由底座、液压抱箍系统、钢套管以及液压顶升系统构成的全回转全套管钻机。本发明的有益效果是：采用全回转套管钻机进行桩基拔除施工，该设备可以在不破坏周边土体的情况下：将地下废旧钢砼结构清除、桩基础无遗留拔除或置换，也可进行钻孔灌注咬合桩硬咬合的围护施工，此工法的出现实现了土木技术人员在有砾岩地层、各类桩基础、钢筋混凝土结构等障碍物完全没有清除的情况下就地实施灌注桩、置换桩、地下连续墙和顶管、盾构隧道无障碍穿越各类桩基础的可能。
Full-rotation full-casing drilling machine and old pile pulling-out construction method thereof
The invention discloses a full-rotation all-casing drilling machine and an old pile pulling construction method thereof. The full-rotation all-casing drilling machine comprises a base, a hydraulic hoop system, a steel sleeve and a hydraulic jacking system. The full-rotation casing pipe drilling machine has the beneficial effects that the full-rotation casing pipe drilling machine is adopted for pile foundation pulling-out construction, under the condition that surrounding soil is not damaged, underground waste steel concrete structures can be removed, pile foundations can be pulled out or replaced without leaving, enclosure construction of hard occlusion of bored cast-in-situ secant piles can also be conducted, and the construction efficiency is improved. By means of the construction method, the possibility that civil technicians implement cast-in-place piles, replacement piles, underground continuous walls and pipe jacking on site under the condition that obstacles such as conglomerate strata, various pile foundations and reinforced concrete structures are completely not removed is achieved, and the shield tunnel can pass through various pile foundations in a barrier-free mode.
本发明公开了一种全回转全套管钻机及其拔除旧桩施工工法，包括由底座、液压抱箍系统、钢套管以及液压顶升系统构成的全回转全套管钻机。本发明的有益效果是：采用全回转套管钻机进行桩基拔除施工，该设备可以在不破坏周边土体的情况下：将地下废旧钢砼结构清除、桩基础无遗留拔除或置换，也可进行钻孔灌注咬合桩硬咬合的围护施工，此工法的出现实现了土木技术人员在有砾岩地层、各类桩基础、钢筋混凝土结构等障碍物完全没有清除的情况下就地实施灌注桩、置换桩、地下连续墙和顶管、盾构隧道无障碍穿越各类桩基础的可能。
Full-rotation full-casing drilling machine and old pile pulling-out construction method thereof
一种全回转全套管钻机及其拔除旧桩施工工法
LYU CHAOCHEN (author) / CHEN HAN (author) / HUANG MINGQI (author) / YANG SHUMIN (author) / HAN ZHEN (author) / GUO JIANBO (author) / SU JIANYI (author) / GUO SHIRONG (author) / XIAO CHUNCHUN (author) / ZHU FAN (author)
2023-01-17
Patent
Electronic Resource
Chinese
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