Anti-seismic tubular pile production method

A production method and the technology of anti-seismic tubes, which are applied in the field of pile foundation materials, can solve the problems of application limitations, low seismic performance, and poor bending resistance, and achieve strong penetration capacity, high concrete strength of the pile body, and improved ductility and bending resistance The effect of carrying capacity

Inactive Publication Date: 2016-05-25
TIANJIN BAOFENG BUILDING MATERIALS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the above technical problems, the present invention provides a production method of anti-seismic pipe piles to solve the problems of poor bending resistance, brittle failure in the form of failure, low anti-seismic performance and limited application in the existing technology

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  • Anti-seismic tubular pile production method

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Embodiment

[0032] as attached figure 1 to attach image 3 shown

[0033] The invention provides a method for producing an anti-seismic pipe pile, comprising:

[0034] S101: Fabrication of reinforcement cages;

[0035] S102: install the end plate;

[0036] S103: Concrete production and pouring;

[0037] S104: tensioning of prestressed steel bars;

[0038] S105: Centrifugal forming of pipe piles;

[0039] S106: Maintenance of pipe piles;

[0040] S107: Release of prestressed steel bars;

[0041] S108: Naming and labeling of pipe pile products.

[0042] Further, in S101, the making of the reinforcement cage includes selection of prestressed reinforcement; cutting of prestressed reinforcement; selection of stirrup; welding of reinforcement cage with stirrup and prestressed reinforcement and binding of non-prestressed reinforcement.

[0043] Further, in S204, specifically, seam welding is adopted to form a reinforcement cage, and the spacing between the stirrups is 40 mm to 50 mm.

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Abstract

The invention provides an anti-seismic tubular pile production method and aims at solving the problems of poor flexural performance, fragile-form damage, low anti-seismic performance and limited application existing in the prior art. The anti-seismic tubular pile production method comprises the steps of reinforcement cage manufacturing, end plate installation, concrete manufacturing and casting, prestressed steel bar tensioning, centrifugal tubular pile shaping, tubular pile maintenance, tensioning and arrangement of prestressed steel bars and naming and marking of tubular pile products. The anti-seismic tubular pile production method has the advantages that the ductility and flexural bearing capacity of anti-seismic tubular piles produced by means of the anti-seismic tubular pile production method are improved, the anti-seismic tubular piles have good adaptability to geological conditions, pile bodies are high in concrete strength, compact and beating-resistant, and the anti-seismic tubular piles have stronger penetrability, have better adaptability to the geological condition of large bearing stratum fluctuation change and are suitable for regions having higher requirements for the horizontal bearing capacity of the tubular piles.

Description

technical field [0001] The invention specifically relates to pile foundation materials in underground foundations, in particular to a production method for earthquake-resistant pipe piles. Background technique [0002] Foreign countries have carried out in-depth research on the seismic performance of PHC pipe piles, and studied its various improvement measures. The improvement measures mainly include: pipe pile core filling, stirrup reinforcement (stirrup ratio), high-strength stirrup, adding non-prestressed tendons, using high elongation prestressed tendons, and pasting glass fibers in the plastic hinge area, etc. Among them, stirrup densification and non-prestressed tendons have been studied the most, and their improvement effects are also the most obvious. [0003] Domestic research on the seismic performance of PHC pipe piles is almost blank, and most of the research is static tests or field tests. Moreover, the pipe pile production technology of domestic manufacturers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B21/60B28B21/62B28B21/30B28B11/24E02D5/30E02D5/58
CPCB28B21/60B28B11/245B28B21/30B28B21/62E02D5/30E02D5/58E02D2250/0007E02D2250/0046
Inventor 韦建文
Owner TIANJIN BAOFENG BUILDING MATERIALS CO LTD
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