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    地面找平有哪些做法?
    来源:http://www.jndmzp.com   时间:2020-11-17 15:52:40
    地面找平有哪些做法?
    What are the ground leveling practices?
    1、水泥砂浆找平:适合各种地面、各种地板铺设前的地面找平。找平厚度太厚在25~35mm,如果水泥砂浆配比不对会使面层粉化起砂,起灰及裂纹。地板(复合地板)与找平层形成一些间隙,人踩上去以后压迫地面灰尘向四周分散,然后从伸缩缝窜出.透过踢脚板缝隙扩散出来,形成了扬灰的现象。另外就是水泥砂浆找平不细致的地方会出现空鼓现象。

    1. Cement mortar leveling: it is suitable for all kinds of floors and floors before laying. If the leveling thickness is too thick in the range of 25-35mm, if the cement mortar ratio is not correct, the surface course will be powdered, dusted, and cracked. There are some gaps between the floor (composite floor) and the leveling layer. When people step on it, the dust on the ground is pressed to disperse around, and then it comes out from the expansion joint. Through the gap of the skirting board, it spreads out, forming the dust rising phenomenon. In addition, there will be hollowing in the place where the cement mortar leveling is not careful.

                                    济南地面找平

    2、石膏找平:可用于局部找平,不增高地面,找平厚度大概在5~20mm左右,对房间高度几乎没有影响,干燥速度快,价格相对便宜,施工方便。但是只可用于小范围内的找平使用。
    2. Gypsum leveling: it can be used for local leveling without increasing the ground. The leveling thickness is about 5-20 mm, which has little impact on the room height. It has fast drying speed, relatively cheap price and convenient construction. But it can only be used for leveling in a small range.
    3、自流平找平:不离析(水泥灰浆中的各种成分在整个施工过程中和水合反应后不分离),不起砂,不起尘,不裂纹;收缩率低,通常在千分之0.3~0.4,水合反应后,表面不出现裂纹,普通水泥的收缩率大,容易出现裂纹。施工厚度较薄在2--5mm。施工后4—8小时表面可以走人,36—48小时后可进行地板铺装。但是要做不能做局部,需整屋做。
    3. Self leveling leveling: no segregation (various components in cement mortar will not separate in the whole construction process and after hydration reaction), no sand, dust and crack; low shrinkage rate, usually 0.3-0.4, after hydration reaction, there is no crack on the surface, and the shrinkage rate of ordinary cement is large, which is easy to crack. It is thinner than 2-5mm in thickness. People can walk on the surface 4-8 hours after the construction, and the floor can be paved after 36-48 hours. But if we want to do it, we can't do it in parts, but we need to do it in the whole house.
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