Anti-freezing anti-cracking fireproof water-resistant high-performance mortar

Abstract

The invention discloses anti-freezing anti-cracking fireproof water-resistant high-performance mortar which is prepared from the following raw materials in parts by weight: 350-400 parts of Portland cement, 350-400 parts of sulfate aluminum cement, 100-130 parts of river sand of 50-100 meshes, 100-120 parts of silicon ash, 15-17 parts of redispersible latex powder, 6-10 parts of cellulose ether, 45-60 parts of a short cut fiber, 100-150 parts of an early strength agent, 3-5 parts of a naphthalene water reducer, 0.18-0.24 part of lithium carbonate, 8-20 parts of calcite, 8-20 parts of mica, 0-5parts of xonotlite, 5-13 parts of expanded perlite, 1-10 parts of a wooden fiber, 0.01-1 part of an air entraining agent and 0.01-2 parts of a slow release agent. The mortar disclosed by the invention is excellent in anti-cracking property, very good in adhesion property, good in impact resistance, low in water absorption rate, excellent in waterproof property, good in low temperature resistance,good in freezing and thawing resistance, stable in anti-aging quality, simple and convenient to construct, environmentally friendly, nontoxic, odorless and nonradiative.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a frost-resistant, crack-resistant, fire-proof and waterproof high-performance mortar. Background technique [0002] Most of the exterior walls of rubber powder polyphenylene particles in the alpine region are mostly not frost-resistant. In the prior art, there is cement in each layer of the external insulation system of rubber powder polystyrene particles. It usually takes 28 days to reach the design strength to form hardened cement. If premature dehydration and hydration stop, the strength will no longer increase. The cement-containing material is a plastic material mixed with water. The volume shrinks with the evaporation of water. During the shrinkage process If the cement-containing material has no strength or the strength is very low, and the shrinkage stress is greater than the tensile strength of the material, the shrinkage will appear as relatively...

AI Technical Summary

Problems solved by technology

The mortar has good bond strength, water resistance and anti-cracking effect, but due to the fatty acid waterproofing agent used, its good bond strength and water resistance cannot be maintained for a long time, the durability is not good, and the fire resistance is poor

Chinese Patent Publication No.: "CN105330226A" discloses a plastering anti-cracking mortar, which has low impact strength, poor toughness, unremarkable overall performance, and limited use conditions

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