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Production method of prestressed concrete corrugated sheet pile

A technology of corrugated sheet piles and manufacturing methods, which is applied in the field of civil engineering, can solve problems such as product technical defects, and achieve the effects of good working environment, reasonable structural design, and reduced labor intensity

Inactive Publication Date: 2014-01-08
张武 +1
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The present invention provides a manufacturing method for producing prestressed concrete corrugated sheet piles, which helps to solve the existing problems such as technical defects of products due to the low-level manufacturing method of fixed steel formwork pedestal production

Method used

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Embodiment Construction

[0027] The invention relates to a manufacturing method for producing prestressed concrete corrugated sheet piles, which is carried out according to the following steps:

[0028] 1) Preparation of concrete mixture: the main raw materials, cement, gravel, sand, water, and admixtures, are designed in accordance with the technical requirements of corrugated sheet pile products and the requirements of the production process, and the special concrete mix ratio is designed. The requirements for raw materials are: Portland cement, ordinary Portland cement, and slag portland cement with a strength grade of not less than 42.5 should be used for cement, and the quality should meet the requirements of GB175; fine aggregate should be clean natural hard Medium-coarse sand or artificial sand, the fineness modulus should be 2.5-3.2, the quality should meet the relevant regulations of GB / T14684, and the content of chloride ion should not exceed 0.01%, and the content of sulfide and sulfate shou...

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Abstract

The invention relates to a production method of a prestressed concrete corrugated sheet pile. The method is characterized by including: preparing concrete mixture; producing reinforcement cages; die-filling; prestress tensioning; concrete pouring and vibration forming; prestress tension releasing and die removing; conveying the overall die to an assembling pedestal, using a special automatic opening-closing device to open the lateral die so as to take out a finished sheet pile, cleaning the dies, apply demolding agent, and turning to the next production procedure; examining and putting into storage. The production method is high in production efficiency and low in energy consumption, work environments are improved, labor intensity of workers is lowered, and the products are stable in quality, high in safety coefficient and good in mechanical performance.

Description

technical field [0001] The invention relates to a novel construction material for building enclosure structures such as soil retaining, slope protection and cofferdam in the field of civil engineering, in particular to a prestressed concrete corrugated sheet pile. Background technique [0002] At present, in the field of civil engineering, there are many forms of building materials for building envelope structures. Commonly used temporary retaining structures, slope protection, cofferdams and other supporting structures include: steel sheet piles, rail piles, H-shaped steel piles, and three-axis cement mixing piles. Diaphragm wall (SMW construction method pile), rotary grouting pile, diaphragm wall, flat pile, pre-base pile and other construction methods or wood sheet piles, etc.; permanent retaining support structures include: cast-in-place underground diaphragm wall, gravity reinforced concrete retaining Walls, cast-in-situ bored piles, prefabricated U-shaped concrete shee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/08C04B28/04
Inventor 张武郑钦旺艾玉华庞建甫许伟湘
Owner 张武
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