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Production method of marine cement anti-wave mortar

A marine cement and production method technology, applied in the field of building materials, can solve the problems of low strength, low chloride ion erosion resistance and sulfate erosion resistance, and achieve improved impermeability, high chloride ion diffusion resistance, The effect of good compactness and volume stability

Inactive Publication Date: 2020-07-03
GUANGXI HENGXIAN HENGFENG BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing marine cement not only has low strength, but also has relatively low resistance to chloride ion erosion and sulfate erosion

Method used

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  • Production method of marine cement anti-wave mortar

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] The production method of marine cement anti-wave mortar, which includes the following raw materials in parts by weight: 25 parts of limestone machine-made sand, 10 parts of rapid hardening sulfoaluminate cement, 1 part of superfine silica fume, 2 parts of composite coupling agent, acrylic acid 0.3 parts of rubber powder, 0.1 parts of methyl cellulose ether, 0.02 parts of potato starch ether, 0.05 parts of polycarboxylate superplasticizer, and 5 parts of slag powder.

[0059] The production method of marine cement anti-storm mortar comprises the following steps:

[0060] Firstly, limestone machine-made sand and high-strength ultra-fine fast-hardening sulfoaluminate cement are used as cementitious materials and aggregates, put into the mill for mixed grinding, and 0.08mm water sieve is used to control the fineness of the mill at 20±2% ;

[0061] The ground powder is mixed with superfine silicon powder, composite coupling agent, dispersible latex powder, cellulose ether, ...

Embodiment 2

[0063] The production method of marine cement anti-wave mortar, which includes the following raw materials in parts by weight: 30 parts of limestone machine-made sand, 15 parts of rapid hardening sulfoaluminate cement, 4 parts of superfine silica fume, 3 parts of composite coupling agent, acrylic acid 0.4 parts of rubber powder, 0.2 parts of hydroxyethyl cellulose ether, 0.03 parts of corn starch ether, 0.1 part of polycarboxylate superplasticizer, and 7 parts of slag powder.

[0064] Firstly, limestone machine-made sand and high-strength ultra-fine fast-hardening sulfoaluminate cement are used as cementitious materials and aggregates, put into the mill for mixed grinding, and 0.08mm water sieve is used to control the fineness of the mill at 20±2% ;

[0065] The ground powder is mixed with superfine silicon powder, composite coupling agent, dispersible latex powder, cellulose ether, starch ether, powdered polycarboxylate superplasticizer and slag powder and mixed evenly at hig...

Embodiment 3

[0067] The production method of marine cement anti-wave mortar, which includes the following raw materials in parts by weight: 35 parts of limestone machine-made sand, 20 parts of rapid hardening sulfoaluminate cement, 8 parts of superfine silica fume, 4 parts of composite coupling agent, acrylic acid 0.5 parts of rubber powder, 0.3 parts of hydroxypropyl methylcellulose ether, 0.04 parts of tapioca starch ether, 0.15 parts of polycarboxylate superplasticizer, and 9 parts of slag powder.

[0068] Firstly, limestone machine-made sand and high-strength ultra-fine fast-hardening sulfoaluminate cement are used as cementitious materials and aggregates, put into the mill for mixed grinding, and 0.08mm water sieve is used to control the fineness of the mill at 20±2% ;

[0069] The ground powder is mixed with superfine silicon powder, composite coupling agent, dispersible latex powder, cellulose ether, starch ether, powdered polycarboxylate superplasticizer and slag powder and mixed e...

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Abstract

The invention discloses a production method of wind-resistant and wave-resistant cement mortar for an offshore engineering. The wind-resistant and wave-resistant cement mortar for the offshore engineering comprises the raw materials: machine-made limestone sand, rapid hardening sulphoaluminate cement, superfine silicon powder, a composite coupling agent, a dispersible latex powder, cellulose ether, starch ether, a water reducing agent and slag powder. The wind-resistant and wave-resistant cement mortar for the offshore engineering, disclosed by the invention has low alkalinity, acid and alkaliresistance, early strength and rapid hardening and is sustainably improved in later strength, beneficial to the improvement of safety and durability of reinforced concrete, high in wind and wave resistance and suitable for offshore engineering construction such as ports, seawalls, coastal protection, cross-sea bridges and offshore filling stations.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a production method of marine cement anti-storm mortar. Background technique [0002] Since the second half of the 20th century, the world's population and economy have expanded rapidly, and the demand for protein and energy has also increased sharply. With the exploitation of oil and natural gas in the continental shelf sea area, as well as the continuous expansion of marine resource development and space utilization, it adapts to it. China's offshore engineering has become one of the fastest-growing projects in the past 30 years. [0003] Due to the continuous erosion of seawater, seawater rich in chloride ions and sulfates can easily corrode the marine projects constructed with marine cement. According to the particularity of marine cement technical indicators, it mainly lies in the requirements for chloride ion diffusion coefficient and sulfate erosion resistance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06C04B111/24C04B111/20
CPCC04B28/06C04B2111/2015C04B2111/24C04B2201/50C04B14/28C04B18/146C04B24/42C04B24/2641C04B24/383C04B24/38C04B18/141C04B2103/302
Inventor 龙志谋黄华青李长平
Owner GUANGXI HENGXIAN HENGFENG BUILDING MATERIAL
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