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墻體中出現問題的應對方法

來源：http://m.wavc.cn 日期：2021-08-10 發布人：

我們先來了解一下什么是石膏砂漿。石膏砂漿是以半水石膏為基材、高分子聚合物為膠凝材料，經無機填料干混制成。石膏砂漿改變了以水泥基為膠凝材料的傳統習慣，方便現場文明施工，是一種新型改良內墻粉刷材料。

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

石膏砂漿具有施工方便、損耗少、空鼓開裂控制的效果比較好、節能環保、可進行薄抹灰施工等優點，且相關質量通病少，可降低后期整改成本。但是石膏砂漿遇水穩定性差，不適用于廚、衛、外墻等潮濕環境與貼磚部位。

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.

墻體表面開裂問題。原因：材料不合格，開槽修補、工藝不到位。仿治：原材料質量管控嚴格，應該使用成熟品牌的石膏砂漿，材料要經抽樣、送檢、現場打樣合格后才能使用，不同品種石膏不得混用。

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.

在施工時應嚴格按照要求進行施工，單次批檔厚度控制要合適，室內風不宜太大從而導致石膏表層水分蒸發過快。修補：粉刷層未干時在其表面薄薄滿批一層即可恢復；粉刷層已干時，灑水濕潤后再批，不會再出現裂縫。

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.

墻體表面有起粉的現象。原因：基層墻體未灑水濕潤到位；抹灰層厚度太薄；弟一層已干后才抹弟二層、凝結時間太長而且風力大。仿治：基層墻體修補、打磨、清理到位，按要求灑水濕潤；已變稠的石膏漿、落地灰和刮搓下的灰泥，嚴禁加水二次攪拌后使用；控制好抹灰石膏凝結時間及施工環境。石膏砂漿抹灰現場應嚴格進行樣板施工，驗收合格后方可大面施工。不同批次材料進場驗收嚴格，確保材料與樣板一致合格。

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.

上一篇：粉刷石膏粉的組成成分是哪些？
下一篇：導致膩子粉反稠假凝的因素是什么？

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