Construction tool for large-diameter bridge pipe pile based on soil plug effect
By using construction equipment based on the soil plug effect, the soil plug is destroyed and sucked out by the grouting pipe, and then restored by grouting, the problems of difficult pile driving and soil disturbance of large-diameter bridge pipe piles are solved, and the pile driving is successful and the bearing capacity is improved.
CN224314190UActive Publication Date: 2026-06-02CHINA RAILWAY SHANGHAI DESIGN INST GRP CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY SHANGHAI DESIGN INST GRP CO LTD
- Filing Date
- 2025-02-11
- Publication Date
- 2026-06-02
Smart Images
Figure CN224314190U_ABST
Abstract
The utility model relates to bridge foundation technical field, concretely relates to a big diameter bridge pipe pile construction machine utensil based on soil plug effect, including hammering grouting body, transmission cylinder and soil grouting body, wherein transmission cylinder sets up in the bottom of hammering grouting body, soil grouting body sets up in the bottom of transmission cylinder, hammering grouting body is provided with grout outlet pipe and grout inlet pipe, transmission cylinder is provided with grout suction pipe, grout suction pipe is connected with grout outlet pipe, soil grouting body is provided with jet grout pipe, jet grout pipe is connected with grout inlet pipe, and the outer end opening of jet grout pipe is arranged on the outer wall of soil grouting body. The utility model has the advantages of: solving the problem of big diameter bridge pipe pile sinking difficulty in the process of sinking pile by damaging soil plug while reaming hole, improving pile bearing capacity by restoring soil plug through grouting, and solving the problem of soil disturbance by damaging soil plug in the big diameter bridge pipe pile.
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