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Rapidly-fixed desert mortar

A desert and fast technology, applied in the field of building materials, can solve the problems of large water demand for mortar preparation, high transportation costs, and increased costs, and achieve the effects of solving the shortage of production resources, saving natural sand and stone resources, and reducing environmental damage

Inactive Publication Date: 2018-03-30
史建华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (1) Desert sand belongs to ultra-fine sand, which cannot meet the requirements of construction sand due to its fine particle size and high mud content.
Its large specific surface area leads to a large amount of water required for the preparation of mortar, a high amount of cementitious materials, and it is easy to bleed and cause segregation and other problems
[0007] (2) Although the use of desert sand reduces the processing cost, but the desert is far away in the northwest, the transportation cost is high, and the cost of transporting the originally low-cost desert sand to the construction site has increased significantly, which is also the main reason why desert sand is not widely used

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0053] The fast-fixing desert slurry provided by the present invention comprises the following components in parts by mass: 15-25 parts of Portland cement; 6-14 parts of high-alumina cement; 2-8 parts of anhydrite; 6-13 parts of fly ash ; 32-45 parts of desert sand; 9-16 parts of slag powder; 3-6 parts of compound additives.

[0054] Optionally, the fast-fixing desert slurry includes the following components in parts by mass: 16-19 parts of Portland cement; 11-13 parts of high-alumina cement; 6-7 parts of anhydrite; 7-8 parts of fly ash; 41-44 parts of desert sand; 10-11 parts of slag powder; 3-6 parts of compound additives.

[0055] Optionally, the particle size of Portland cement is 200 mesh, the particle size of fly ash is 250-325 mesh, the particle size of desert aeolian sand is 25-100 mesh, and the particle size of slag powder is 150-200 mesh.

[0056] Optionally, the Portland cement is No. 42.5 ordinary Portland cement, the fly ash is Class II fly ash from coal power pl...

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PUM

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Abstract

The invention discloses a rapidly-fixed desert mortar, and relates to the field of building materials. The rapidly-fixed desert mortar provided by the invention comprises the following components in parts by mass: 15 to 25 parts of portland cement, 6 to 14 parts of high-aluminum cement, 2 to 8 parts of anhydrite, 6 to 13 parts of fly ash, 32 to 45 parts of desert sand, 9 to 16 parts of mineral slag powder and 3 to 6 parts of a composite auxiliary agent. The rapidly-fixed desert mortar provided by the invention has good compressive strength, fluidity and tensile adhesive strength.

Description

technical field [0001] The invention relates to the field of building materials, in particular to fast-fixing desert slurry. Background technique [0002] This section is intended to provide a background or context for implementations of the invention that are set forth in the claims and detailed description. The descriptions herein are not admitted to be prior art by inclusion in this section. [0003] Self-leveling mortar is an ideal hydraulically hardening inorganic composite foundation material, and its main materials are special cement, fine aggregate, binder and various additives. It is suitable for laying all kinds of industrial floors, with high surface strength and good wear resistance. It is mainly used in new construction or renovation projects of old projects, as well as fine leveling of industrial floors. [0004] Self-leveling mortar is a new type of material developed by overcoming the shortcomings of traditional cement mortar multi-layer construction proced...

Claims

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Application Information

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IPC IPC(8): C04B28/16
CPCC04B28/16C04B2201/50C04B7/02C04B7/32C04B18/08C04B14/068C04B18/141C04B22/064C04B24/383C04B2103/50C04B2103/302C04B2103/0057C04B22/10C04B24/06
Inventor 史建华王会琴
Owner 史建华
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