石膏是一种微溶于水的物质! - 抹面砂浆知识

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石膏是一种微溶于水的物质!

来源:http://www.rare6.com 日期:2019-07-10 发布人:admin

  脱硫石膏粉生产设备应注意石膏砌块的选择

  The selection of gypsum block should be paid attention to in the production equipment of desulfurized gypsum powder
  1、脱硫石膏粉生产设备耐水。石膏是一种微溶于水的材料,在可能与水接触的地方,必须采取严格的防水措施。例如,生产砌块时,在配料中加入防水剂或防水剂外加剂,根据可能与水接触的程度,在隔墙上涂上部分或全部防水贴面或涂料;缝隙和孔洞必须用密封剂密封;此外,在砌筑隔墙之前,还可以制作砖或混凝土墙板。
  1. Water resistance of desulfurization gypsum powder production equipment. Gypsum is a kind of slightly soluble material in water. Strict waterproofing measures must be taken where it may come into contact with water. For example, in the production of blocks, waterproofing agents or waterproofing additives are added to the ingredients, and some or all waterproofing veneers or coatings are applied to the partition walls according to the degree of possible contact with water; crevices and holes must be sealed with sealants; in addition, bricks or concrete wall panels can be made before partition walls are built.
  2、板裂缝。各种轻隔板裂缝已成为普遍存在的问题。主要原因有材料问题、分区结构问题、分区与主结构连接问题。
  2. Plate cracks. All kinds of light partition cracks have become a common problem. The main reasons are material problems, partition structure problems and connection between partition and main structure problems.
  3、轻质隔断材料。它可以分为两类:一类是基于水泥或硅酸盐的,另一类是基于石膏的。前者的水化产物主要为胶体,后者为晶体。胶体在外界温度和湿度变化时容易产生膨胀和收缩,后者变化很小。与板相比,砌块隔断砌体接缝较短,只要选用合适的接缝材料,施工方法正确,石膏砌块隔断的裂缝完全可以解决。
  3. Light partition material. It can be divided into two categories: one is based on cement or silicate, and the other is based on gypsum. The hydration products of the former are mainly colloidal, while the latter are crystals. Colloids tend to expand and contract when the external temperature and humidity change, while the latter changes little. Compared with the slab, the joint of block partition masonry is shorter. As long as the suitable joint material is selected and the construction method is correct, the crack of gypsum block partition can be completely solved.
济南石膏粉
  4、石膏砌块隔墙隔音。建设部组织编制的《住宅构件非承重内隔墙技术条件》中规定,住宅隔墙的空气声学计室内不应小于50dB,野外不应小于45dB。机组内隔墙气声计实验室不小于35dB,现场不小于30dB。我国现有的非承重内隔墙难以满足家庭墙的要求,需要采取必要的技术措施,如双层法;在隔墙上加一层隔音层。
  4. Sound insulation of gypsum block partition wall. According to the Technical Conditions for Non-Bearing Internal Partitions of Residential Components compiled by the Ministry of Construction, the indoor air acoustics meter for residential partitions should not be less than 50 dB and the field should not be less than 45 dB. The Laboratory of aeroacoustic meter for inner partition wall of unit is not less than 35dB, and the field is not less than 30dB. The existing non-load-bearing internal partition wall in our country is difficult to meet the requirements of the family wall. Necessary technical measures, such as double-layer method, are needed, and a sound insulation layer is added to the partition wall.
  5. 价格。单看石膏砌块的价格,略高于其他类型砌块,但它施工简单,效率高,节省抹灰,施工干燥,性价比高。
  5. Price. Looking at the price of gypsum block, it is slightly higher than other types of block, but its construction is simple, efficient, saving plastering, dry construction, high cost performance.

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