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Carbon steel pile toe for PHC high-strength concrete pipe pile

A high-strength concrete and carbon steel technology, used in sheet pile walls, buildings, infrastructure projects, etc., can solve the problems of limited strength, poor corrosion resistance, affecting the depth of pipe piles, and improve load-bearing capacity and corrosion resistance. sexual effect

Active Publication Date: 2012-04-18
大连九洲建设集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the existing PHC high-strength concrete pipe pile tips are only made of concrete pouring, and their strength is limited. Not only can they not penetrate high-strength weathered rock layers, gravel layers, special soil layers, underground obstacles, etc., affecting the penetration of pipe piles into the soil. depth, and the end-bearing piles cannot achieve the optimal end-bearing pile load-bearing capacity
In addition, this kind of concrete pile tip has poor corrosion resistance and is not suitable for seaside and other environments.

Method used

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  • Carbon steel pile toe for PHC high-strength concrete pipe pile
  • Carbon steel pile toe for PHC high-strength concrete pipe pile

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specific Embodiment

[0015] Such as figure 1 As shown, a carbon steel pile point of a PHC high-strength concrete pipe pile is composed of a welded pile point and a pipe pile 6, and the height and width of the weld seam between the pile point and the pipe pile are above 8mm. Among them, the pile tip is provided with a conical carbon steel bottom angle 4, and 8 to 10 carbon steel bars 2 are welded on the top, covered with steel mesh, and an annular steel plate 1 is welded on the carbon steel bar 2, and on the top of the annular steel plate 1 A thin steel plate hoop 3 is spot-welded on the outside, and concrete 5 is poured in the above-mentioned pile point steel parts. The grade of concrete poured into the pile point steel parts is C90, and anti-corrosion agent is added. Concrete is poured into the pipe core of the pipe pile, its grade is C80, and steel bars are poured. The height of the above-mentioned carbon steel bottom corner is 150mm. The height of the carbon steel bar is 500mm; the diameter ...

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Abstract

The invention discloses a carbon steel pile toe for a PHC high-strength concrete pipe pile, which comprises a pile toe and a pipe pile (6) that are welded, wherein the pile toe is provided with a conical carbon steel bottom angle (4), 8-10 carbon steel bars are welded at the top end of the pile toe, an annular steel plate (1) is welded above the carbon steel bars, a sheet steel tension band (3) is welded on the outer side o the annular steel plate (1), and concrete (5) is poured into the pile toe. The invention has the outstanding characteristic of enough hard pile toe, and can penetrate high-strength decomposed rock stratums and grit layers, special soil layers, underground barriers and the like so as to ensure that the pipe pile can penetrate into the stratums with proper depth, therebygreatly improving the load-carrying capacity of an end-bearing pile. In addition, preservative is added into the concrete of the pile toe, and the steel bars are added into the concrete of a die of the pipe pile, which improve the resistance to corrosion, thereby being suitable for occasions of seaside and the like.

Description

Technical field: [0001] The invention relates to a ground foundation applied in the construction field. Background technique: [0002] At present, the existing PHC high-strength concrete pipe pile tips are only made of concrete pouring, and their strength is limited. Not only can they not penetrate high-strength weathered rock layers, gravel layers, special soil layers, underground obstacles, etc., affecting the penetration of pipe piles into the soil. depth, and the end-bearing piles cannot achieve the best end-bearing pile load-bearing capacity. In addition, this kind of concrete pile tip has poor corrosion resistance and is not suitable for seaside and other environments. Invention content: [0003] The present invention aims at the above-mentioned deficiencies of the prior art, and provides a PHC high-strength concrete pipe pile carbon steel pile tip with high strength, strong load-bearing capacity and corrosion resistance. [0004] The technical solution of the pres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/72
Inventor 宋诗强王丽华靳忠强宋雪鹤宋雪琪
Owner 大连九洲建设集团有限公司
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