A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a novel rear-inserted stiff cast-in-place pile, and belongs to the field of foundation engineering of buildings, bridges, roads, municipal administration and the like. The post-inserted stiff body cast-in-place pile is formed by combining a cast-in-place concrete cast-in-place pile and a post-inserted stiff body. The method comprises the specific steps of pile hole forming, concrete pouring and stiff body inserting. Certain reaming and compaction effects can be formed by extruding cast-in-place pile body concrete, the periphery of the pile and soil at the end of the pile by inserting the stiff body, the adverse effects of mud cakes and sediment are eliminated, and the bearing capacity of the pile is greatly improved. Cement paste in the concrete forms a compaction grouting effect within a certain range around the pile, and the bearing capacity of a soil body within the range is improved. The insertion of the stiff body is a process of vibrating the cast-in-place concrete of the pile body, so that the pile forming quality of the concrete of the pile body is improved. The link of placing the reinforcement cage is saved, and the construction efficiency is improved.
本发明公开了一种新型后插劲性体灌注桩，属于建筑、桥梁、道路、市政等基础工程领域。所属后插劲性体灌注桩由现浇混凝土灌注桩和后插劲性体组合而成，具体步骤为成桩孔、灌注混凝土、插入劲性体。通过插入劲性体对现浇的桩身混凝土、桩周及桩端土体造成挤压，会形成一定的扩孔、挤密效应，消除了泥皮和沉渣的不利影响，大幅度提高桩承载力。混凝土中的水泥浆在桩周一定范围内形成压密注浆的效应，提高该范围内土体的承载力。劲性体的插入对桩身现浇混凝土是一个振捣的过程，提高桩身混凝土的成桩质量。节省了放置钢筋笼的环节，提高了施工效率。
The invention discloses a novel rear-inserted stiff cast-in-place pile, and belongs to the field of foundation engineering of buildings, bridges, roads, municipal administration and the like. The post-inserted stiff body cast-in-place pile is formed by combining a cast-in-place concrete cast-in-place pile and a post-inserted stiff body. The method comprises the specific steps of pile hole forming, concrete pouring and stiff body inserting. Certain reaming and compaction effects can be formed by extruding cast-in-place pile body concrete, the periphery of the pile and soil at the end of the pile by inserting the stiff body, the adverse effects of mud cakes and sediment are eliminated, and the bearing capacity of the pile is greatly improved. Cement paste in the concrete forms a compaction grouting effect within a certain range around the pile, and the bearing capacity of a soil body within the range is improved. The insertion of the stiff body is a process of vibrating the cast-in-place concrete of the pile body, so that the pile forming quality of the concrete of the pile body is improved. The link of placing the reinforcement cage is saved, and the construction efficiency is improved.
本发明公开了一种新型后插劲性体灌注桩，属于建筑、桥梁、道路、市政等基础工程领域。所属后插劲性体灌注桩由现浇混凝土灌注桩和后插劲性体组合而成，具体步骤为成桩孔、灌注混凝土、插入劲性体。通过插入劲性体对现浇的桩身混凝土、桩周及桩端土体造成挤压，会形成一定的扩孔、挤密效应，消除了泥皮和沉渣的不利影响，大幅度提高桩承载力。混凝土中的水泥浆在桩周一定范围内形成压密注浆的效应，提高该范围内土体的承载力。劲性体的插入对桩身现浇混凝土是一个振捣的过程，提高桩身混凝土的成桩质量。节省了放置钢筋笼的环节，提高了施工效率。
Post-inserted stiff body cast-in-place pile
一种后插劲性体灌注桩
XIE XUEJUN (author)
2023-07-14
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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