Manufacturing process of anti-electrochemical corrosion pipe pile

A manufacturing process, electrochemical technology, applied in the field of manufacturing process of electrochemical corrosion pipe piles, can solve the problems of coating failure, difficult service life, inability to effectively form protective effect, etc., to delay aging, improve anti-corrosion ability, inhibit The effect of electrochemical corrosion

Active Publication Date: 2020-06-02
FUJIAN DADI CONCRETE PILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Concrete pipe piles are used as building foundations, and the prolongation of their service life is a major problem. In the prior art, concrete pipe piles are generally coated with anti-corrosion coatings to reduce their aging and corrosion and prolong their life. However, as cement is a porous structure, Only a large amount of paint can be used to cover the pores, and during the piling process, the pile body and the soil, sand and gravel are squeezed and rubbed violently, causing the paint to be damaged and peeled off, causing the paint to fail, and cannot effectively form a protective effect

Method used

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  • Manufacturing process of anti-electrochemical corrosion pipe pile
  • Manufacturing process of anti-electrochemical corrosion pipe pile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The manufacturing process of the electrochemical corrosion resistant pipe pile comprises the following steps:

[0031] Step 1: Add cement 420kg / m 3 , ground sand 200kg / m 3 , gravel 1700kg / m 3 , Grinding blast furnace slag 70kg / m 3 , water 90kg / m 3 , water reducer 4kg / m 3 , average particle size 7μm superfine aluminum powder 0.5kg / m 3 And conductive fiber 0.3kg / m 3 Make fresh concrete with concrete forced mixer;

[0032] Step 2: Apply insulating paint on the inner surface of the centrifugal steel mold, place the prepared steel skeleton in the centrifugal steel mold, and connect with the prestressed steel anchor plate, tension plate, and tension rod;

[0033] Step 3: Fill the lower half of the mold evenly with the fresh concrete prepared in step 1 along the centrifugal steel mold, and lay more concrete on the pre-tensioned end;

[0034] Step 4: Lift the upper mold half above the lower mold half, and fix the upper and lower mold halves with bolts to ensure that the...

Embodiment 2

[0044] The manufacturing process of the electrochemical corrosion resistant pipe pile comprises the following steps:

[0045] Step 1: Add cement 480kg / m 3 , ground sand 230kg / m 3 , gravel 1800kg / m 3 , Grinding blast furnace slag 120kg / m 3 , water 110kg / m 3 , water reducer 6kg / m 3 , Average particle size 15μm superfine aluminum powder 1.5kg / m 3 And conductive fiber 0.6kg / m 3 Make fresh concrete with concrete forced mixer;

[0046] Step 2: Apply insulating paint on the inner surface of the centrifugal steel mold, place the prepared steel skeleton in the centrifugal steel mold, and connect with the prestressed steel anchor plate, tension plate, and tension rod;

[0047] Step 3: Fill the lower half of the mold evenly with the fresh concrete prepared in step 1 along the centrifugal steel mold, and lay more concrete on the pre-tensioned end;

[0048] Step 4: Lift the upper mold half above the lower mold half, and fix the upper and lower mold halves with bolts to ensure that ...

Embodiment 3

[0058] The manufacturing process of the electrochemical corrosion resistant pipe pile comprises the following steps:

[0059] Step 1: Add cement 450kg / m 3 , ground sand 220kg / m 3 , Gravel 1750kg / m 3 , Grinding blast furnace slag 90kg / m 3 , water 100kg / m 3 , water reducer 5kg / m 3 , average particle size 9μm superfine aluminum powder 1kg / m 3 And conductive fiber 0.45kg / m 3 Make fresh concrete with concrete forced mixer;

[0060] Step 2: Apply insulating paint on the inner surface of the centrifugal steel mold, place the prepared steel skeleton in the centrifugal steel mold, and connect with the prestressed steel anchor plate, tension plate, and tension rod;

[0061] Step 3: Fill the lower half of the mold evenly with the fresh concrete prepared in step 1 along the centrifugal steel mold, and lay more concrete on the pre-tensioned end;

[0062] Step 4: Lift the upper mold half above the lower mold half, and fix the upper and lower mold halves with bolts to ensure that the...

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Abstract

The invention discloses a manufacturing process of an anti-electrochemical-corrosion pipe pile. The manufacturing process comprises the following steps that step 1, 420-480 kg / m<3> of cement, 200-230kg / m<3> of ground sand, 1700-1800 kg / m<3> of crushed stone, 70-120kg / m<3> of ground blast furnace slag, 90-110kg / m<3> of water, 4-6kg / m<3> of a water reducing agent, 0.5-1.5kg / m<3> of ultrafine aluminum powder with an average particle size of 7-15[mu]m and 0.3-0.6kg / m<3> of conductive fiber are made to fresh mixed concrete by a concrete forced mixer; step 2, insulating coating is applied on the inner surface of a centrifugal steel mold, and a prepared steel skeleton is placed in the centrifugal steel mold and connected with a prestressed steel anchor plate, a tension plate and a tension rod; and step 3, the lower half mold is filled with the fresh mixed concrete prepared in the step 2 is uniformly filled along the centrifugal steel mold, and the concrete is distributed more at the end which is preset to be subjected to tension. The pipe pile can internally form an anti-electrochemistry-corrosion structure and an ionic environment, and the anti-corrosion capacity of the pipe pile can beeffectively improved.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a manufacturing process of an electrochemical corrosion-resistant pipe pile. Background technique [0002] Prestressed concrete pipe piles can be divided into post-tensioned prestressed pipe piles and pretensioned prestressed pipe piles. Pretensioned prestressed pipe pile is a hollow cylindrical slender concrete prefabricated component made by pretensioned prestressing process and centrifugal forming method. It is mainly composed of cylindrical pile body, end plate and steel ferrule. [0003] Concrete pipe piles are used as building foundations, and the prolongation of their service life is a major problem. In the prior art, concrete pipe piles are generally coated with anti-corrosion coatings to reduce their aging and corrosion and prolong their life. However, as cement is a porous structure, Only a large amount of paint can be used to cover the pores, and during t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B21/60B28B21/68B28C5/40C04B28/02C04B111/20C04B111/94
Inventor 杨金辉杨晓彬董伟东周艳文冯三苟林丽华林成
Owner FUJIAN DADI CONCRETE PILE
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