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Self-balancing sinking large-diameter tubular pile and construction method thereof

A large-diameter pipe and construction method technology, applied in sheet pile wall, foundation structure engineering, construction and other directions, can solve the problems of low construction efficiency, high cost, large impact of surrounding buildings pipe piles, etc. The effect of large pile bottom section and reduced masonry work

Active Publication Date: 2010-06-16
张子良
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0020] The purpose of the present invention is to provide a self-balancing sinking large-diameter pipe pile and its construction method to solve the problems of low construction efficiency, high cost, high requirements for construction machinery power, and great influence on surrounding buildings and pipe piles in the prior art. Technical problems, and solve the technical problems of difficult construction of large-diameter pipe piles

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  • Self-balancing sinking large-diameter tubular pile and construction method thereof
  • Self-balancing sinking large-diameter tubular pile and construction method thereof
  • Self-balancing sinking large-diameter tubular pile and construction method thereof

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Embodiment Construction

[0081] The present invention will be further described below in conjunction with accompanying drawing:

[0082] see Figure 1-Figure 2 , a self-balancing sinking large-diameter pipe pile, the pipe pile body includes at least two pipe piles, and is characterized in that: the diameter of the pipe pile body is Φ3m~Φ15m, and the upper and lower adjacent pipe piles are arranged between two sections There is a relay room 3, and a group of relay jacks 4 are installed at even intervals in the relay room. The base of the relay jack 4 is set on the lower end surface of the upper section of the pipe pile, and the telescopic rod of the relay jack 4 is pushed on the top of the lower section of the pipe pile. On the end face, reserved holes 7 are arranged at staggered intervals in the pipe pile body between two adjacent relay jacks, and a tie rod 6 is pierced in each reserved hole, and a set of tie rods 6 connects each pipe pile in a straight line. The lower end of each tie rod is connecte...

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Abstract

The invention discloses a self-balancing sinking large-diameter tubular pile and a construction method thereof. A tubular pile body comprises at least two sections of tubular piles, the diameter of the tubular pile body is phi3 to phi5 meters, a relay chamber is arranged between the upper and lower adjacent two sections of tubular piles, a group of relay jacks are arranged uniformly in the relay chamber at intervals, a base of the relay jack is arranged on the lower end face of the upper tubular pile, a telescopic rod of the relay jack is propped against the upper end face of the lower tubular pile, reserved pore canals are staggered in the tubular pile body between the adjacent two relay jacks at intervals, a pull rod passes through each reserved pore canal, the tubular piles are connected linearly by a group of pull rods, the lower end part of each pull rod is connected with an anchoring element on the lower end face of the lowest tubular pile, and the upper end part of each pull rod is provided with a through jack on the upper end face of the uppermost tubular pile. The relay chamber and the reserved pore canals are closed by concrete after the tubular pile reaches the bottom and the relay jacks are taken out. An external force such as hammering, strong vibration and the like does not need to work in the construction, so the construction cost is reduced, and the efficiency is improved.

Description

technical field [0001] The invention relates to a sinking pile and a construction method thereof, belonging to the field of pile foundation engineering in deep foundation engineering of civil engineering. Background technique [0002] In the construction of deep foundations in civil engineering, the existing deep foundation types mainly include pile foundations and caisson foundations, and pile foundations include sunken piles and cast-in-place piles (cast-in-place piles). [0003] 1) sinking pile [0004] Including prefabricated concrete rectangular piles (side length 250-500mm), prestressed concrete pipe piles (Φ400mm-550mm), and PHC piles (prestressed high-strength concrete pipe piles, diameter 800mm-1200mm) imported from Japan and large pipe columns (diameter 1550mm~5800mm). Steel piles include shaped steel piles and steel pipe piles (maximum diameter 1000mm-1200mm). [0005] The technological route of sinking piles is to break through the side friction and end resist...

Claims

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Application Information

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IPC IPC(8): E02D7/20E02D7/26
Inventor 张恽张子良
Owner 张子良
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