A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a construction method for an expansion body pile with high bearing capacity. The construction method is characterized in that the pile diameter is 0.9-1.4 m; the pile length is more than 10 m; the pile is arranged according to the conditions of soil property; a first layer of expansion body is arranged in a place, 8-10 m below the pile top; the distance from the first layer of expansion body concrete block to a second layer of expansion body is 6-8 m; the distance from the second layer of expansion body to a third layer of expansion body is 6-8 m; the diameter of each plastic pipe is 180-220 mm; the thickness of each plastic pipe is 5-7 mm; the length of each plastic pipe is 1/3 of the diameter of the pile diameter; each layer of the expansion body adopts 3-6 plastic pipes; the plastic pipes are distributed around the pile circumference; the base plane of the plastic pipes is inwardly retracted for 5-8 mm from the tangent surface on the outer wall of the pile pipe before pressing the pile; the plastic pipes are extruded to move outwards after pressing the pile; the distance from the top cover plane of the plastic pipes to the tangent plane on the inner wall of the pile pipe is 15-25 mm after extrusion.
The invention discloses a construction method for an expansion body pile with high bearing capacity. The construction method is characterized in that the pile diameter is 0.9-1.4 m; the pile length is more than 10 m; the pile is arranged according to the conditions of soil property; a first layer of expansion body is arranged in a place, 8-10 m below the pile top; the distance from the first layer of expansion body concrete block to a second layer of expansion body is 6-8 m; the distance from the second layer of expansion body to a third layer of expansion body is 6-8 m; the diameter of each plastic pipe is 180-220 mm; the thickness of each plastic pipe is 5-7 mm; the length of each plastic pipe is 1/3 of the diameter of the pile diameter; each layer of the expansion body adopts 3-6 plastic pipes; the plastic pipes are distributed around the pile circumference; the base plane of the plastic pipes is inwardly retracted for 5-8 mm from the tangent surface on the outer wall of the pile pipe before pressing the pile; the plastic pipes are extruded to move outwards after pressing the pile; the distance from the top cover plane of the plastic pipes to the tangent plane on the inner wall of the pile pipe is 15-25 mm after extrusion.
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