A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Perforated air film auxiliary static pressure PHC pipe pile head and construction method
The invention discloses a trepanning gas film auxiliary static pressure PHC pipe pile head and a construction method, the trepanning gas film auxiliary static pressure PHC pipe pile head comprises a pile tip and a gas injection device, the pile tip is of a conical structure, a conical cavity is formed in the pile tip, six pressure-bearing columns are uniformly arranged on the upper surface of the pile tip, the whole pile tip is formed by pouring high-strength concrete, and a plurality of vent holes penetrate through the pile tip; an auxiliary pile tip is fixedly connected to the tip end of the lower portion of the pile tip, a disc-shaped pile base is welded to the upper surface of the pile tip, a plurality of annular ventilation holes are formed in the periphery of the pile base, a pile head sleeve is fixedly connected to the pile base and is a hollow steel pipe, a ventilation pipeline is arranged in the center of the pile base and communicated with the ventilation holes, and a steel reinforcement framework is arranged in the pile tip. The hole opening air film auxiliary static pressure structure is arranged, an efficient, environment-friendly and high-quality solution is provided for static pressure pile construction, pile end resistance, side friction resistance and pore water pressure are effectively reduced, the pile sinking efficiency of a pile is improved, and the quality stability of pile foundation construction is guaranteed.
本发明公开了一种开孔气膜辅助静压PHC管桩桩头及施工方法，包括：桩尖和气体注入装置，所述桩尖为圆锥形结构，内部含有锥形空洞，桩尖上表面均匀布置有六根承压柱，桩尖整体由高强度混凝土浇筑而成，桩尖内贯穿若干通气孔，桩尖下方的尖端处固定连接有附桩尖，桩尖上表面焊接圆盘形桩座，桩座周围设有若干个环形通气孔，桩座上固定连接桩头套管，桩头套管为空心钢管，桩座中心设有通气管道，通气管道与通气孔相通，桩尖内部设有钢筋骨架。本发明设有开孔气膜辅助静压结构，为静压桩施工提供了高效、环保和高质量的解决方案，有效减少桩端阻力、侧摩阻力和孔隙水压力，提高桩的沉桩效率，保证了桩基施工的质量稳定性。
Perforated air film auxiliary static pressure PHC pipe pile head and construction method
The invention discloses a trepanning gas film auxiliary static pressure PHC pipe pile head and a construction method, the trepanning gas film auxiliary static pressure PHC pipe pile head comprises a pile tip and a gas injection device, the pile tip is of a conical structure, a conical cavity is formed in the pile tip, six pressure-bearing columns are uniformly arranged on the upper surface of the pile tip, the whole pile tip is formed by pouring high-strength concrete, and a plurality of vent holes penetrate through the pile tip; an auxiliary pile tip is fixedly connected to the tip end of the lower portion of the pile tip, a disc-shaped pile base is welded to the upper surface of the pile tip, a plurality of annular ventilation holes are formed in the periphery of the pile base, a pile head sleeve is fixedly connected to the pile base and is a hollow steel pipe, a ventilation pipeline is arranged in the center of the pile base and communicated with the ventilation holes, and a steel reinforcement framework is arranged in the pile tip. The hole opening air film auxiliary static pressure structure is arranged, an efficient, environment-friendly and high-quality solution is provided for static pressure pile construction, pile end resistance, side friction resistance and pore water pressure are effectively reduced, the pile sinking efficiency of a pile is improved, and the quality stability of pile foundation construction is guaranteed.
本发明公开了一种开孔气膜辅助静压PHC管桩桩头及施工方法，包括：桩尖和气体注入装置，所述桩尖为圆锥形结构，内部含有锥形空洞，桩尖上表面均匀布置有六根承压柱，桩尖整体由高强度混凝土浇筑而成，桩尖内贯穿若干通气孔，桩尖下方的尖端处固定连接有附桩尖，桩尖上表面焊接圆盘形桩座，桩座周围设有若干个环形通气孔，桩座上固定连接桩头套管，桩头套管为空心钢管，桩座中心设有通气管道，通气管道与通气孔相通，桩尖内部设有钢筋骨架。本发明设有开孔气膜辅助静压结构，为静压桩施工提供了高效、环保和高质量的解决方案，有效减少桩端阻力、侧摩阻力和孔隙水压力，提高桩的沉桩效率，保证了桩基施工的质量稳定性。
Perforated air film auxiliary static pressure PHC pipe pile head and construction method
一种开孔气膜辅助静压PHC管桩桩头及施工方法
ZHOU XIANNIAN (author) / LI PENG (author) / WANG GUANCHAO (author) / WU CHENGCAI (author) / LI QIANG (author) / GAO CHAO (author) / NIU TAO (author) / ZHOU HUI (author) / MING XIAOJIE (author) / ZHANG TAN (author)
2024-02-27
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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