High-efficiency honeycomb type pile head breaking construction process

A construction technology and high-efficiency technology, applied in sheet pile walls, infrastructure engineering, construction, etc., can solve the problems of high construction cost and low construction efficiency, and achieve the effect of preventing dust flying, high construction efficiency and reducing investment.

Inactive Publication Date: 2018-01-05
广州公路工程集团有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the existing problems of pile head breaking technology, high construction cost, and low construction efficiency, this application provides a high-efficiency honeycomb pile head breaking construction technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The high-efficiency honeycomb method broken pile head construction technology includes the following steps:

[0015] Step 1: Make the Reinforcement Cage

[0016] When the steel cage is manufactured, the pile head goes deep into each main reinforcement and the acoustic tube in the tie beam. The isolation sleeve is a soft foam tube to ensure the gap between the pile head steel bar and the poured concrete and the pile head. There is no bond and a certain space between the acoustic tube and the poured concrete.

[0017] Step 2: pouring cast-in-place piles

[0018] After the drilling is completed, the reinforcement cage is put into the borehole, and concrete is poured into the borehole, and the cast-in-place pile is formed after a period of time.

[0019] Step 3: Excavate the Foundation Pit

[0020] Seven days after pouring the concrete, the foundation pit was excavated, and the slope repair and bottom cleaning of the foundation pit were carried out manually. When excava...

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PUM

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Abstract

The invention discloses a high-efficiency honeycomb type pile head breaking construction process. The construction process comprises the steps that in the process of processing and manufacturing a reinforcement cage, each main reinforcement and each sounding pipe of the reinforcement cage are each sleeved with an isolation sleeve; after completion of processing of the reinforcement cage, the reinforcement cage is put into a drill hole, concrete is poured into the drill hole to form a cast-in-place pile; a pit is excavated in seven days after pouring, steel wedge blocks are symmetrically and horizontally inserted and driven in the annular tangent positions until a pile head is separated from a pile body, and then the pile head is removed. According to the high-efficiency honeycomb type pilehead breaking construction process, the main reinforcements are sleeved with the isolation sleeves, and damage to the main reinforcements in the treatment process of the pile head is effectively avoided. Moreover, the operating process is simple, and the construction efficiency is high. Input of construction equipment is reduced. Construction noise is greatly lowered. Dust flying is prevented. The construction environment is improved. Health of construction staff is effectively protected.

Description

technical field [0001] The invention belongs to the technical field of bridge construction, and in particular relates to a high-efficiency honeycomb method pile head breaking construction technology. Background technique [0002] Due to the development of industry, the growth of population, and the continuous increase of high-rise buildings, the foundation conditions of many cities are relatively poor, and there are soft soils with a large thickness or medium-strength open soil layers underground, which cannot directly withstand the radiation from high-rise buildings. load. So just dig a hole in the soil, and pour reinforced concrete into the hole to form a pile. Until the early 1940s, with the emergence of high-power drilling machines, bored piles were first used in the United States. With the rapid development of science and technology, the design and construction level of bored piles in highway construction have also been greatly developed. Bored piles have the charact...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D9/00
Inventor 熊维梁毅莫远航
Owner 广州公路工程集团有限公司
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