Ocean engineering repair mortar and preparation method thereof

A technology for repairing mortar and marine engineering, used in the field of marine engineering building materials, can solve the problems of low compressive strength, long setting time, easy to crack and collapse, and achieve high early strength, short setting time, and seawater erosion resistance. strong effect

Inactive Publication Date: 2020-02-04
广西云燕特种水泥建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing polymer-modified cement mortar or concrete repair materials still have disadvantage

Method used

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  • Ocean engineering repair mortar and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0028] A marine engineering repair mortar is made of the following raw materials in parts by weight: 20 parts of alite-sulphoaluminate cement, 15 parts of marine portland cement, 1.5 parts of ultra-dispersed shrinkage reducing water reducer, and 5 parts of coagulation regulator , 1 part of reinforcing powder, 1 part of anti-corrosion compacting agent, 6 parts of anti-cracking and waterproof expansion agent, 5 parts of ultrafine mineral powder, 0.1 part of defoamer, 0.5 part of redispersible latex powder, and 50 parts of quartz sand.

[0029] The content of tricalcium silicate in the Alite-sulfoaluminate cement is not more than 5%.

[0030] The ultra-dispersed shrinkage-reducing water reducer is a shrinkage-reducing and toughening-type water reducer prepared by introducing diethylene glycol monobutyl ether groups with shrinkage-reducing effects into polycarboxylate water reducers through modern molecular tailoring technology. , purchased from Hainan Ruize New Building Materials...

Embodiment 2

[0044] A marine engineering repair mortar is made of the following raw materials in parts by weight: 25 parts of Alite-sulfoaluminate cement, 20 parts of marine portland cement, 2.2 parts of ultra-dispersed shrinkage reducing water reducer, and 2.5 parts of coagulation regulator , 3 parts of reinforcing powder, 2.5 parts of anti-corrosion compacting agent, 7 parts of anti-cracking and waterproof expansion agent, 18 parts of ultrafine mineral powder, 0.4 part of defoamer, 1.2 parts of redispersible latex powder, 65 parts of quartz sand.

[0045] The content of tricalcium silicate in the Alite-sulfoaluminate cement is not more than 5%.

[0046] The ultra-dispersed shrinkage-reducing water reducer is a shrinkage-reducing and toughening-type water reducer prepared by introducing diethylene glycol monobutyl ether groups with shrinkage-reducing effects into polycarboxylate water reducers through modern molecular tailoring technology. , purchased from Hainan Ruize New Building Materi...

Embodiment 3

[0060] A marine engineering repair mortar is made of the following raw materials in parts by weight: 30 parts of Alite-sulfoaluminate cement, 25 parts of marine Portland cement, 3 parts of super-dispersed shrinkage-reducing water reducer, 5 parts of reinforcing powder, 4 parts of anti-corrosion compacting agent, 8 parts of anti-cracking and waterproof expansion agent, 30 parts of ultrafine mineral powder, 0.6 part of defoamer, 2 parts of redispersible latex powder, and 80 parts of quartz sand.

[0061] The content of tricalcium silicate in the Alite-sulfoaluminate cement is not more than 5%.

[0062] The ultra-dispersed shrinkage-reducing water reducer is a shrinkage-reducing and toughening-type water reducer prepared by introducing diethylene glycol monobutyl ether groups with shrinkage-reducing effects into polycarboxylate water reducers through modern molecular tailoring technology. , purchased from Hainan Ruize New Building Materials Co., Ltd.

[0063] The reinforcing pow...

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Abstract

The invention discloses an ocean engineering repair mortar and a preparation method thereof. The repair mortar is prepared from, by weight, 20-30 parts of alite-sulphoaluminate cement, 15-25 parts ofmaritime work Portland cement, 1.5-3 parts of an ultra-disperse shrinkage-reducing water reducer, 0-5 parts of a thickening time control agent, 1-5 parts of a reinforcing powder, 1-4 parts of an anticorrosion compacting agent, 6-8 parts of a crack-proof and waterproof expanding agent, 5-30 parts of ultrafine mineral powder, 0.1-0.6 part of an antifoaming agent, 0.5-2 parts of redispersible latex powder and 50-80 parts of quartz sands. The ocean engineering repair mortar has the advantages of short setting time, fast strength development, high bonding strength with concrete, good stability andno cracking, and can improve the seawater erosion resistance of repaired concrete, prevent secondary damage, prolong the service life of buildings and save a large amount of reconstruction funds.

Description

technical field [0001] The invention relates to the technical field of marine engineering building materials, in particular to a marine engineering repair material, in particular to a marine engineering repair mortar and a preparation method thereof. Background technique [0002] As a large oceanic country, our country has a vast sea area. With the development and utilization of the ocean, there are more and more buildings in the ocean environment. However, the environment of ocean engineering is harsh, and its durability has attracted more and more attention from all walks of life. In recent years, due to various factors such as humid environment and seawater erosion, many ports, docks and bridges have suffered serious concrete damage. If they are not repaired, they will pose a serious threat to people's lives. [0003] For concrete buildings and components, the traditional repair method is to repair the corroded concrete with epoxy resin mortar or resin concrete. Its dis...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B111/24C04B111/72
CPCC04B28/065C04B2111/24C04B2111/72C04B2201/05C04B2201/50C04B2201/52C04B7/02C04B2103/302C04B22/0013C04B24/06C04B22/10C04B22/147C04B22/143C04B22/14C04B22/126C04B24/121C04B24/122C04B22/142C04B2103/0068C04B18/146C04B18/141C04B18/08C04B14/047C04B14/28C04B2103/50C04B24/42C04B14/06
Inventor 蒋久芳杨毅蒙传刚王志通
Owner 广西云燕特种水泥建材有限公司
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