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    分析为什么环氧地坪施工前基层要做防水层呢?

    2019-05-13 10:32:40 无锡盛发地坪科技有限公司 阅读

    环氧地坪漆对基层地面的含水率要求非常高,一般情况下不能高于8%,因此,在施工环氧地坪漆之前一定要了解地面是否做过防水处理,尤其是地下停车场、地下室等水位较低的地方。对于没有做过防水层的施工基面,施工前一定要先铺设防水层再施工环氧地坪漆,以保证环氧地坪漆工程施工质量。防水层在整个环氧地坪漆的施工中占有非常重要的地位,它的好坏直接影响地面的防潮性能,以及环氧地坪漆的使用寿命,严重的话还会导致环氧地坪涂层出现返潮、起泡、起皮脱落等缺陷。

    Epoxy floor paint requires a very high water content on the base floor, which can not be higher than 8% in general. Therefore, before the construction of epoxy floor paint, it is necessary to know whether the ground has been waterproof, especially in the lower water level areas such as underground parking lot and basement. For the construction base without waterproof layer, it is necessary to lay waterproof layer before construction to ensure the construction quality of floor paint project. Waterproof layer plays a very important role in the construction of epoxy floor paint. Its quality directly affects the anti-moisture performance of the ground and the service life of the epoxy floor paint. Seriously, it will also cause the defects of moisture regain, foaming and peeling off of the epoxy floor paint. 

    地坪漆施工基面防水层的施工方法:

    Construction method of waterproofing layer on base surface of floor paint construction:

    在施工防水层前,先将基面处理好,保证其含水率在5%以下。如果地面太潮湿,则可以用大功率的风扇吹干或者用太阳灯照射基面,一般基层干燥时间要求28天以上。

    Before the construction of waterproof layer, the base surface should be treated well to ensure that its moisture content is less than 5%. If the ground is too wet, it can be dried by a high-power fan or irradiated by a solar lamp on the base. Generally, the drying time of the base requires more than 28 days.

    1、铺设细砂、薄膜

    1. Laying fine sand and film

    铺设塑料薄膜在地面回填后进行。首先在回填土表层铺一层细砂,再铺设不透水的油毡和塑料薄膜,最后再浇筑混凝土层。需要注意的是两块塑料薄膜的搭接处至少要有10CM的重叠,否则地下水还是很容易透过两张塑料薄膜之间的缝隙渗透到地坪漆施工基在面与环氧地坪漆涂层之间, 进而引起环氧地坪涂层起泡甚至脱落。

    Laying plastic film on the ground after backfilling. First, a layer of fine sand is laid on the surface of backfill soil, then impermeable felt and plastic film are laid, and finally concrete layer is poured. It should be noted that the overlap of the two plastic films should be at least 10CM. Otherwise, groundwater can easily penetrate through the gap between the two plastic films into the construction base of the floor paint between the surface and the epoxy floor paint coating, which will cause foaming or even falling off of the epoxy floor coating.

    2、涂布防水涂料

    2. Coating Waterproof Coatings

    防水涂料防水层的施工方法为先在水泥地面上涂布一层防水涂料,形成防水隔离层,然后施工一层水泥砂浆保护层,最后在水泥砂浆保护层上面施工地坪漆。

    The construction method of waterproof coating is to first coat a layer of waterproof coating on the cement floor to form a waterproof isolation layer, then to construct a layer of cement mortar protective layer, and finally to construct a floor paint on the cement mortar protective layer.

    防水涂料是指涂刷在建筑物表面上,经溶剂或水分的挥发或两种组分的化学反应形成一层薄膜,使建筑物表面与水隔绝,从而起到防水、密封的作用的粘稠液体。 塑料薄膜和防水涂料都能有效防止地下水渗透, 防止环氧地坪漆涂膜起泡脱落, 保证环氧地坪工程质量。

    Waterproof coating refers to the viscous liquid which is painted on the surface of buildings and formed by volatilization of solvent or water or chemical reaction of two components, so as to isolate the surface of buildings from water, thus playing the role of waterproof and sealing. Plastic film and waterproof coating can effectively prevent groundwater penetration, prevent foaming and falling off of epoxy floor paint film, and ensure the quality of epoxy floor engineering.


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