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抹面砂浆都有什么作用?

来源:https://www.jnfhjc.com 日期:2021-04-06 发布人:juyehe

抹面砂浆要求具有良好的和易性,容易抹成均匀平整的薄层,便于施工。还应有较高的黏结力,砂浆层应能与底面黏结牢固,长期不致开裂或脱落。处于潮湿环境或易受外力作用部位(如地面和墙裙等),还应具有较高的耐水性和强度。那么抹面砂浆都有什么作用?

The plastering mortar is required to have good workability, easy to be plastered into a uniform and flat thin layer, which is convenient for construction. The mortar layer should be able to bond firmly with the bottom surface without cracking or falling off for a long time. It should also have high water resistance and strength when it is in humid environment or easily affected by external force (such as floor and skirting). What is the function of plastering mortar?
在施工中,抹面砂浆常分两层或三层进行施工,底层砂浆的作用是使砂浆与基层能牢固地粘结,应有良好的保水性。中层主要是为了找平,有时可省去不做。
In the construction, the plastering mortar is often divided into two or three layers for construction. The function of the bottom layer mortar is to make the mortar firmly bond with the base, and it should have good water retention. The middle level is mainly for leveling, sometimes it can be omitted.
面层主要为了获得平整、光洁地表面效果。其主要作用是施工使用前和凝结硬化前,保证砂浆在施工时间内砂浆中有足够的水分,提供良好的施工性。另外一个就是上墙后不会很容易就被基层快速吸收,导致砂浆中的胶凝材料没有充足的水分进行水化反应,从而影响自身的性能。
The main purpose of the surface course is to obtain a smooth and smooth surface. Its main function is to ensure that there is enough water in the mortar during the construction period before the construction and before the setting and hardening, so as to provide good constructability. The other is that it is not easy to be absorbed by the base quickly after it is put on the wall, which leads to that the cementitious material in the mortar does not have enough water for hydration reaction, thus affecting its own performance.
抹面砂浆主要用于苯薄抹灰保温系统中保温层外的抗裂保护层,亦被称为聚合物抹面抗裂砂浆。抹面砂浆应用与基面牢固地粘合,因此要求砂浆应有良好的和易性及较高的粘结力。
Plastering mortar is mainly used as crack resistant protective layer outside insulation layer in benzene thin plastering insulation system, also known as polymer plastering crack resistant mortar. The plastering mortar should be firmly bonded with the base surface, so the mortar should have good workability and high adhesion.