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墙体中出现问题的应对方法

来源: 日期:2021-08-10 发布人:juyehe

我们先来了解一下什么是石膏砂浆。石膏砂浆是以半水石膏为基材、高分子聚合物为胶凝材料,经无机填料干混制成。石膏砂浆改变了以水泥基为胶凝材料的传统习惯,方便现场文明施工,是一种新型改良内墙粉刷材料。

Let's first understand what gypsum mortar is. Gypsum mortar is made of hemihydrate gypsum as base material and polymer as cementitious material by dry mixing with inorganic filler. gypsum mortar has changed the traditional habit of taking cement-based as cementitious material and is convenient for civilized construction on site.it is a new and improved interior wall painting material
石膏砂浆具有施工方便、损耗少、空鼓开裂控制的效果比较好、节能环保、可进行薄抹灰施工等优点,且相关质量通病少,可降低后期整改成本。但是石膏砂浆遇水稳定性差,不适用于厨、卫、外墙等潮湿环境与贴砖部位。
Gypsum mortar has the advantages of convenient construction, less loss, good effect of controlling hollowing and cracking, energy saving and environmental protection, thin plastering construction, and few common quality problems, which can reduce the later rectification cost. However, gypsum mortar has poor stability in water and is not suitable for kitchen, bathroom, exterior wall and other humid environments and brick parts.
济南石膏粉
墙体表面开裂问题。原因:材料不合格,开槽修补、工艺不到位。仿治:原材料质量管控严格,应该使用成熟品牌的石膏砂浆,材料要经抽样、送检、现场打样合格后才能使用,不同品种石膏不得混用。
Wall surface cracking. Cause: unqualified materials, slotting repair and inadequate process. Imitation treatment: the quality control of raw materials is strict. Gypsum mortar of mature brand should be used. The materials can only be used after sampling, inspection and on-site proofing. Different varieties of gypsum shall not be mixed.
在施工时应严格按照要求进行施工,单次批档厚度控制要合适,室内风不宜太大从而导致石膏表层水分蒸发过快。修补:粉刷层未干时在其表面薄薄满批一层即可恢复;粉刷层已干时,洒水湿润后再批,不会再出现裂缝。
During construction, the construction shall be carried out in strict accordance with the requirements, the thickness of single batch shall be controlled appropriately, and the indoor air shall not be too large, resulting in rapid evaporation of water on the gypsum surface. Repair: when the painting layer is not dry, it can be restored after a thin layer is applied on its surface; When the painting layer is dry, spray water to wet it before approval, and there will be no cracks.
墙体表面有起粉的现象。原因:基层墙体未洒水湿润到位;抹灰层厚度太薄;弟一层已干后才抹弟二层、凝结时间太长而且风力大。仿治:基层墙体修补、打磨、清理到位,按要求洒水湿润;已变稠的石膏浆、落地灰和刮搓下的灰泥,严禁加水二次搅拌后使用;控制好抹灰石膏凝结时间及施工环境。石膏砂浆抹灰现场应严格进行样板施工,验收合格后方可大面施工。不同批次材料进场验收严格,确保材料与样板一致合格。
There is dusting on the wall surface. Cause: the base wall is not watered in place; The thickness of plastering layer is too thin; After the first layer has dried, wipe the second layer. The setting time is too long and the wind is strong. Imitation treatment: the base wall shall be repaired, polished and cleaned in place, and watered as required; The thickened gypsum slurry, floor ash and scraped plaster shall not be used after secondary mixing with water; Control the setting time and construction environment of plastering gypsum. The gypsum mortar plastering site shall strictly carry out the sample construction, and the large-scale construction can be carried out only after passing the acceptance. The mobilization acceptance of different batches of materials shall be strict to ensure that the materials are consistent with the sample.