Premixed mortar suitable for plastering of various walls and preparation method thereof

Abstract

The invention discloses premixed mortar suitable for plastering various walls and a preparation method thereof, and the premixed mortar comprises the following raw materials: 20-30 parts of water, 10-20 parts of cement, 30-50 parts of fine aggregate, 10-15 parts of fly ash, 5-10 parts of a pozzolanic mixed material, 1-5 parts of coal gangue, 2-10 parts of a waterproof agent, 1-5 parts of a water reducing agent, 6-10 parts of an expanding agent, and 2-5 parts of an accelerator. The cement is specifically 42.5 R Portland cement, the fine aggregate is specifically prepared by mixing machine-made sand and river sand according to a ratio of 1: 3, the pozzolanic mixed material is prepared by mixing volcanic ash, silicon dioxide and aluminum oxide according to a ratio of (1-10): (2-5): (1-3), and the waterproof agent is prepared by mixing metal aluminum salt and metal hydrochloric acid according to a ratio of (2-6): (1-3). According to the invention, various auxiliary materials and assistants are reasonably added on the basis of the existing mortar preparation technology, so that the prepared mortar has good adhesion performance, and anti-permeability and anti-cracking performance, wear resistance, adhesive performance, high temperature resistance, corrosion resistance and impact resistance can be increased for the mortar.

Description

technical field [0001] The invention relates to the technical field of mortar, in particular to a ready-mixed mortar suitable for plastering various walls and a preparation method thereof. Background technique [0002] Mortar is a bonding substance used in building bricks. It is made of a certain proportion of sand and cementing materials (cement, lime paste, clay, etc.) The various mortar mixtures used in construction projects are a new type of building material developed in my country in recent years, which can be divided into ordinary ready-mixed mortar and special mortar according to their performance; [0003] The mortar in the prior art is simply mixing sand, stone, water and cement. This method saves time and effort, but after being applied to the wall, the effect is poor, the adhesion rate is low, and it cannot adapt to the wall in a complex environment. Therefore, we propose a ready-mixed mortar suitable for various wall plasters and a preparation method thereof to ...

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Problems solved by technology

[0003] The mortar in the prior art is simply mixing sand, stone, water and cement. This method saves time and effort, but after being applied to the wall, the effect is poor, the adhesion rate is low, and it cannot adapt to the wall in a complex environment. Therefore, we propose a ready-mixed mortar suitable for a variety of wall plastering and its preparation method to solve the above problems

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