A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Construction method of double-guide-pipe pouring large-diameter drilling hollow pile
The invention discloses a construction method for pouring a large-diameter drilled hollow pile by using a large-capacity hopper, two small-capacity hoppers and two guide pipes, concrete pouring of a pile foundation is performed in a double-guide-pipe form, and once concrete passes through a disc, the large-capacity hopper passes through the two small-capacity hoppers, and the large-capacity hopper passes through the two small-capacity hoppers; and finally, the two guide pipes enter the hole bottom of the hollow pile at the same time, the two guide pipes are dismantled synchronously after the burial depth meets the requirement, and pile foundation concrete pouring construction is completed through circulation in this way. The two guide pipes are arranged at an angle of 180 degrees and share a half area respectively. The problems that due to the fact that the diameter of a pile foundation of a large-diameter hollow pile is too large and the inner steel pipe and an inner reinforcement cage in the middle are blocked, concrete cannot flow to the back face of the inner steel pipe in the center, and the height difference of concrete faces of the same elevation of the pile foundation is large are solved, the construction quality of the pile foundation is guaranteed, and good economic benefits are generated; the method has a very reliable practical value, and particularly provides a direction for the selection of a large-diameter pile foundation construction process in the future.
本发明公开了一种双导管灌注大直径钻孔空心桩的施工方法，它利用一个大方量料斗、两个小方量料斗和两根导管，采用双导管的形式进行桩基的混凝土灌注，混凝土一经开盘，由大方量料斗经两个小方量料斗，最后通过两根导管同时进入空心桩的孔底，在埋深达到要求后同步拆除两根导管，如此循环，完成桩基混凝土灌注施工。两根导管呈180°布置，各分担一半的区域。本发明解决了大直径空心桩由于桩基直径过大以及中间的内钢管和内钢筋笼的阻滞、混凝土无法流动至中心的内钢管背面以及桩基同一标高的混凝土面高差较大的问题，保证了桩基的施工质量，产生了较好的经济效益；本发明有非常可靠的实用价值，尤其对未来大直径桩基施工工艺的选择提供了方向。
Construction method of double-guide-pipe pouring large-diameter drilling hollow pile
The invention discloses a construction method for pouring a large-diameter drilled hollow pile by using a large-capacity hopper, two small-capacity hoppers and two guide pipes, concrete pouring of a pile foundation is performed in a double-guide-pipe form, and once concrete passes through a disc, the large-capacity hopper passes through the two small-capacity hoppers, and the large-capacity hopper passes through the two small-capacity hoppers; and finally, the two guide pipes enter the hole bottom of the hollow pile at the same time, the two guide pipes are dismantled synchronously after the burial depth meets the requirement, and pile foundation concrete pouring construction is completed through circulation in this way. The two guide pipes are arranged at an angle of 180 degrees and share a half area respectively. The problems that due to the fact that the diameter of a pile foundation of a large-diameter hollow pile is too large and the inner steel pipe and an inner reinforcement cage in the middle are blocked, concrete cannot flow to the back face of the inner steel pipe in the center, and the height difference of concrete faces of the same elevation of the pile foundation is large are solved, the construction quality of the pile foundation is guaranteed, and good economic benefits are generated; the method has a very reliable practical value, and particularly provides a direction for the selection of a large-diameter pile foundation construction process in the future.
本发明公开了一种双导管灌注大直径钻孔空心桩的施工方法，它利用一个大方量料斗、两个小方量料斗和两根导管，采用双导管的形式进行桩基的混凝土灌注，混凝土一经开盘，由大方量料斗经两个小方量料斗，最后通过两根导管同时进入空心桩的孔底，在埋深达到要求后同步拆除两根导管，如此循环，完成桩基混凝土灌注施工。两根导管呈180°布置，各分担一半的区域。本发明解决了大直径空心桩由于桩基直径过大以及中间的内钢管和内钢筋笼的阻滞、混凝土无法流动至中心的内钢管背面以及桩基同一标高的混凝土面高差较大的问题，保证了桩基的施工质量，产生了较好的经济效益；本发明有非常可靠的实用价值，尤其对未来大直径桩基施工工艺的选择提供了方向。
Construction method of double-guide-pipe pouring large-diameter drilling hollow pile
一种双导管灌注大直径钻孔空心桩的施工方法
2024-04-05
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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