Pile-forming device and method for vortex pressing extruding and expanding concrete layering expanding uplift pile
A concrete and uplift pile technology, applied in sheet pile wall, construction, infrastructure engineering and other directions, can solve the problems of insufficient bearing capacity, unguaranteed uplift quality, uneconomical, etc., to improve the uplift bearing capacity , Improve the bonding and gripping force, the effect of strong applicability
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[0029] Such as Figure 1 to Figure 2 As shown, the pile-forming equipment of vortex squeezed and expanded concrete layered diameter-expanded uplift piles includes: prefabricated concrete pile head 1, steel casing 2, rotating gear 4, vortex blade 5, H-shaped steel 8 with anchor 9 The precast concrete pile head 1 is arranged at the bottom of the steel casing, the rotating gear 4 is installed on the top of the precast concrete pile head 1, and the vortex pressure blade 5 is installed at the opening of the steel casing; wherein:
[0030] The prefabricated concrete pile head 1 has a cone at the bottom and a cylinder at the top, and a cylindrical boss is formed at the top of the cylinder.
[0031] The steel casing 2 is a metal round pipe, and the inner diameter of the steel casing 2 is slightly larger than the outer diameter of the cylindrical boss of the precast concrete pile head 1, so as to ensure that the top of the precast concrete pile head 1 can just be embedded in the steel ...
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