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The invention discloses a deep foundation pit drilling building enclosure non-engaged type water stopping pile comprehensive construction method, and relates to the field of deep foundation pit drilling. To achieve the purpose, the technical scheme of the method comprises the following steps that (1) the first batch of jumping piles of a building enclosure are constructed; (2) drilling of the second batch of water stopping piles of the building enclosure is conducted; (3) a foundation pit is excavated; (4) pile head are detached; and (5) a deep foundation pit is excavated. The situation that large equipment such as a pipe staggering machine or a rotary drilling rig is needed during secant pile construction, or a high-pressure rotary-spraying outer side water stopping construction method isadopted is avoided, the mechanical equipment cost and manpower assistance are greatly reduced, and the cost is reduced.
本发明公开了深基坑钻孔围护结构非咬合型止水桩综合施工方法，涉及深基坑钻孔领域，为达到上述目的，本发明的技术方案包括如下步骤：1)围护结构第1批跳桩施工；2)围护结构第2批止水桩钻孔；3)基坑开挖；4)桩头拆离；5)深基坑开挖。减少了咬合桩施工需采用错管机或旋挖钻机等大型设备使用或采用高压旋喷外侧止水施工方法，机械设备费用以及人工辅助等大大降低，成本降低。
The invention discloses a deep foundation pit drilling building enclosure non-engaged type water stopping pile comprehensive construction method, and relates to the field of deep foundation pit drilling. To achieve the purpose, the technical scheme of the method comprises the following steps that (1) the first batch of jumping piles of a building enclosure are constructed; (2) drilling of the second batch of water stopping piles of the building enclosure is conducted; (3) a foundation pit is excavated; (4) pile head are detached; and (5) a deep foundation pit is excavated. The situation that large equipment such as a pipe staggering machine or a rotary drilling rig is needed during secant pile construction, or a high-pressure rotary-spraying outer side water stopping construction method isadopted is avoided, the mechanical equipment cost and manpower assistance are greatly reduced, and the cost is reduced.
本发明公开了深基坑钻孔围护结构非咬合型止水桩综合施工方法，涉及深基坑钻孔领域，为达到上述目的，本发明的技术方案包括如下步骤：1)围护结构第1批跳桩施工；2)围护结构第2批止水桩钻孔；3)基坑开挖；4)桩头拆离；5)深基坑开挖。减少了咬合桩施工需采用错管机或旋挖钻机等大型设备使用或采用高压旋喷外侧止水施工方法，机械设备费用以及人工辅助等大大降低，成本降低。
Deep foundation pit drilling building enclosure non-engaged type water stopping pile comprehensive construction method
深基坑钻孔围护结构非咬合型止水桩综合施工方法
GUI LIN (author)
2020-09-22
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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