Micro-steel pipe pile and grouting reinforcement method
A steel pipe pile, miniature technology, applied in the direction of sheet pile wall, soil protection, construction, etc., can solve the problems of foundation soil layer and water quality pollution, slow hardening speed, construction difficulties, etc., to improve the bearing capacity of the foundation, improve the pile End bearing capacity and good self-flowing effect
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[0034] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0035] As shown in the figure, a miniature steel pipe pile includes a steel pipe pile 2, and a pile tip sealing plate is welded at the lowermost end of the steel pipe pile 2. The pile tip sealing plate is an inverted tapered pile tip 1 and is welded to the 1. The circular pile head sealing plate 11 at the bottom, and there are 8 grout holes on the pile head sealing plate 11. These 8 grout holes can connect the inner side of the steel pipe pile 2 and the soil layer at the bottom of the pile. The upper end of the steel pipe pile 2 is installed There is a pile head connection joint 6, and the pressure grouting pipe 8 is connected to the inner side of the steel pipe pile 2 through the pile head connection joint 6. During pressure grouting: the rounded truncat...
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