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High-belite sulphoaluminate cement-based hardener for concrete floor and preparation method of high-belite sulphoaluminate cement-based hardener
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A special sulfur aluminate, cement-based technology, applied in the field of concrete, can solve problems such as hollowing delamination, plastic cracking, etc., and achieve the effects of performance enhancement, ultra-high strength and surface hardness, and ultra-high bond strength
Active Publication Date: 2020-10-30
黑龙江泽林科技有限公司
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Problems solved by technology
Because there is a concrete slurry extraction process in the initial setting stage during the construction of the wear-resistant floor, after the slurry is extracted, the cement-based wear-resistant material is dry-spread, which is difficult to ensure that the composition of the entire wear-resistant layer is uniform. Once the slurry is enriched The area will cause plastic cracking, even hollowing and delamination
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Embodiment 1I
[0023] Embodiment 1I type cement-based hardener
[0024] High Belite Sulphoaluminate Cement: Strength Class 42.5 18%
[0058] The specific performance is shown in Table 3.
[0059] Table 3 Physical and chemical performance indicators of materials
[0060]
[0061]
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Abstract
The invention belongs to the technical field of concrete, and particularly relates to a high-belite sulphoaluminate cement-based hardener for a concrete floor and a preparation method of the high-belite sulphoaluminate cement-based hardener. The hardener is prepared by mixing and stirring the following materials in percentage by weight for reaction: 10%-20% of high-belite sulphoaluminate cement, 60%-80% of aggregate, 3%-5% of kaolin, 1%-2% of lime, 5%-10% of other mineral additives, 0.5%-2% of rubber powder, 0.05%-0.1% of retarder, 0.05%-0.1% of a water reducing agent and 0-3% of a pigment. The hardener prepared by the method breaks through the limitation of applying a sulphoaluminate cement-based hardener to Portland cement-based concrete; the problem of plastic cracks on the surface of an existing cement-based wear-resistant floor is solved. The prepared hardener has ultrahigh strength and surface hardness and is good in dispersing performance, the compatibility and binding force ofall the raw materials are greatly improved, the performance is enhanced, and the ultrahigh bonding strength of a wear-resisting layer and a base layer is achieved.
Description
technical field [0001] The invention belongs to the technical field of concrete, and in particular relates to a high belite sulfoaluminate cement-based hardener for concrete floors and a preparation method thereof. Background technique [0002] The cement-based wear-resistant floor system is a cost-effective heavy-duty floor. It is a hard, wear-resistant, and The impact floor system can be used in warehouses, various industrial workshops, parking lots and other places where heavy machinery travels. Among them, the cement-based wear-resistant material (cement-based hardener) for the concrete floor is a dry-mixed material composed of Portland cement or ordinary Portland cement, wear-resistant aggregate as the base material, and an appropriate amount of additives. Usually, the thickness of the wear-resistant layer formed by the cement-based hardener is 3-5mm. It forms a cement-based wear-resistant floor system with the base concrete. The 3-5mm thick wear-resistant layer direct...
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Application Information
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