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Sound insulation mortar

A technology of mortar and machine-made sand, applied in the field of sound insulation mortar, can solve the problems of insufficient strength, easy cracking, too sticky operation performance of the mortar, etc., and achieve the effect of sound insulation effect and strength improvement, enhancement of cohesion, and elimination of cracking.

Inactive Publication Date: 2020-05-22
广西建宏水泥制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since there is no unified national standard for sound insulation mortar, each manufacturer implements according to its own standard, and the quality is also quite different. Most manufacturers still have the phenomenon that the mortar is too sticky, poor in operation performance, insufficient in strength, and easy to crack.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A sound-proof mortar, comprising the following components in a weight ratio: 30 parts of cement, 7.5 parts of fly ash, 8 parts of bagasse, 15 parts of vitrified beads, 34 parts of machine-made sand, 1 part of hydroxypropyl methylcellulose ether , Can be used in 3 parts of dispersible latex powder, 0.1 part of sodium lauryl sulfate, 0.5 part of starch ether, 1 part of PP anti-cracking fiber.

Embodiment 2

[0016] A sound-proof mortar, comprising the following components in a weight ratio: 35 parts of cement, 9 parts of fly ash, 9 parts of bagasse, 16 parts of vitrified beads, 29 parts of machine-made sand, 1.5 parts of hydroxypropyl methylcellulose ether It can be used in 3.5 parts of dispersible latex powder, 0.1 part of sodium lauryl sulfate, 0.5 part of starch ether, 1 part of PP anti-cracking fiber.

Embodiment 3

[0018] A sound-insulating mortar, comprising the following components in a weight ratio: 40 parts of cement, 10 parts of fly ash, 10 parts of bagasse, 17 parts of vitrified beads, 24 parts of machine-made sand, and 2.0 parts of hydroxypropyl methyl cellulose ether , Can be used in 4 parts of dispersible latex powder, 0.1 part of sodium lauryl sulfate, 0.5 part of starch ether, 1 part of PP anti-cracking fiber.

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PUM

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Abstract

The invention discloses sound insulation mortar, which is prepared from the following components in parts by weight: 30-50 parts of cement, 7.5-15 parts of fly ash, 8-12 parts of bagasse, 15-19 partsof vitrified micro beads, 14-34 parts of machine-made sand, 1-3.5 parts of hydroxypropyl methyl cellulose ether, 3-5.5 parts of redispersible latex powder, 0.1 part of lauryl sodium sulfate, 0.5 partof starch ether and 1 part of PP anti-cracking fiber. The sound insulation mortar has good construction performance, substantially improved sound insulation effect and substantially improved strength,enhances the bonding force with a floor, substantially reduces the hollowing condition, increases the tension extreme value of mortar, and basically eliminates the cracking condition.

Description

Technical field [0001] The invention relates to the technical field of building materials, in particular to a soundproof mortar. Background technique [0002] With the development of science and technology, the requirements for buildings are getting higher and higher, and noise control is one of them. National standards have requirements for the noise of building floors, such as GB / T50121-2005 "Building Sound Insulation Evaluation Standard", GB 50118 -2010 "Code for Sound Insulation Design of Civil Buildings", GB 50368-2005 "Code for Residential Buildings", GB / T 19889.7-2005 "Sound Insulation Measurement of Acoustic Buildings and Building Components Part 7: Field Measurement of Floor Slab Impact Sound Insulation" There are related requirements for this. At present, ordinary mortar can hardly meet the corresponding requirements for controlling floor noise. Sound insulation mortar also came into being. It is mainly composed of cementitious materials (cement), lightweight material...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B111/52C04B111/34
CPCC04B28/00C04B2111/343C04B2111/52C04B18/08C04B18/248C04B14/22C04B14/06C04B24/383C04B2103/0057C04B24/16C04B24/38C04B16/0633
Inventor 赵华晓
Owner 广西建宏水泥制品有限公司
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