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Coastal building grouting cement mortar, and production method thereof

A cement mortar and building technology, applied in the field of building materials, can solve the problems of inconvenient construction and engineering quality control, lack of uniform standards for preparation technology, unfavorable production and construction costs, etc., and achieve excellent durability, good economic and social benefits, Inexpensive effect

Inactive Publication Date: 2018-04-10
广西云燕特种水泥建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The problems existing in on-site preparation include: the lack of uniform standards for preparation technology, the preparation process is relatively complicated, which brings inconvenience to construction and project quality control, and is not conducive to saving production and construction costs

Method used

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  • Coastal building grouting cement mortar, and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A coastal building grouting cement mortar, the components are preferably: 30 parts of slag; 50 parts of sulphoaluminate cement clinker; 0.05 parts of composite activator; 4 parts of early strength agent; 0.5 part of water reducing agent; 2 parts of composite coupling agent; 0.5 parts of retarder; 15 parts of water; 150 parts of sand; composite coupling agent is mercaptopropyltrimethoxysilane and phthalate The ester weight ratio is 1:2; the production method comprises the following steps:

[0046] a. Drying: The slag waste is sent to the vertical dryer by the belt conveyor for drying. After drying, the slag waste is sent to the slag waste waste warehouse by the elevator for storage, and the water content is less than 2.8%.

[0047] b. Grinding: Grinding the dried slag waste obtained in step a with a cement mill so that the passing rate through a 100-mesh sieve reaches more than 95%, and the slag waste obtained in step a and the prepared sulphoaluminate cement are cooked ...

Embodiment 2

[0051] A coastal building grouting cement mortar, the components are preferably: 40 parts of slag; 40 parts of sulphoaluminate cement clinker; 0.05 parts of composite activator; 4 parts of early strength agent; 0.5 part of water reducing agent; 3 parts of composite coupling agent; 0.5 part of retarder; 17 parts of water; 160 parts of sand; composite coupling agent is mercaptopropyltrimethoxysilane and phthalate Ester weight ratio is 1:2; Production method is identical with embodiment 1.

Embodiment 3

[0053]A coastal building grouting cement mortar, the components are preferably: 50 parts of slag; 30 parts of sulphoaluminate cement clinker; 0.04 parts of composite activator; 3 parts of early strength agent; 0.4 parts of water reducing agent; 2 parts of composite coupling agent; 0.4 part of retarder; 17 parts of water; 170 parts of sand; composite coupling agent is mercaptopropyltrimethoxysilane and phthalate Ester weight ratio is 1:2; Production method is identical with embodiment 1.

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Abstract

The invention discloses a coastal building grouting cement mortar, and a production method thereof. The coastal building grouting cement mortar comprises, by weight, 30 to 80 parts of mineral waste residue, 10 to 50 parts of sulphate aluminium cement clinker, 0.03 to 0.05 part of a composite activator, 2 to 4 parts of an early strength agent, 0.3 to 0.5 part of a water reducer, 0.005 to 0.007 partof an air entraining agent, 0.3 to 0.5 part of a retarder, 15 to 20 parts of water, and 150 to 200 parts of sand. According to the production method, mineral waste residue and sulphate aluminium cement clinker are adopted, so that the obtained coastal building grouting cement mortar possesses the performance of common cement, and high strength, sea water corrosion resistance, sea water washing resistance, and is especially suitable to be used in engineering such as harbour and other eroded medium.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a low-cost, energy-saving and environment-friendly cement mortar suitable for grouting coastal buildings and a production method thereof. Background technique [0002] Most of the main structures of coastal water conservancy projects are concrete structures. And judging from the current development situation, in the next few decades, the materials used in the construction of coastal water conservancy projects will still be dominated by concrete structures. As we all know, once a durability problem occurs in a concrete project, it is very difficult to repair it. Therefore, the coastal water conservancy project should pay great attention to the durability design. For a long time, many coastal water conservancy projects mainly use ordinary cement, and the corresponding seawater erosion-resistant concrete is mixed on site according to the requirements. However, due to the on-site m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/06C04B111/70C04B111/20
CPCC04B28/06C04B2111/2015C04B2111/70C04B2201/50C04B18/141C04B12/04C04B22/14C04B24/226C04B24/122C04B24/24C04B24/001C04B22/064C04B24/16C04B2103/22C04B24/42C04B22/002C04B14/06
Inventor 黄芳农承战许建兴
Owner 广西云燕特种水泥建材有限公司
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