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    环氧地坪施工对混凝土地面的要求包括那些?

    2019-05-11 14:24:30 无锡盛发地坪科技有限公司 阅读

    环氧地坪漆被广泛用于地下停车场、工业厂房车间等,施工时最常遇到的地面是混凝土水泥地面,由于环氧地坪漆只是附着于混凝土表面一层薄薄的涂层,混凝土地面的好坏直接决定着施工后环氧地坪漆的质量,因此环氧地坪漆对混凝土地面有以下要求:

    Epoxy floor paint is widely used in underground parking lot, industrial workshop and so on. The most common ground encountered in construction is concrete cement floor. Because epoxy floor paint only adheres to a thin layer of coating on the surface of concrete, the quality of the epoxy floor paint directly determines the quality of the construction, so the epoxy floor paint has the following requirements on the concrete floor: 

    1、新浇筑的混凝土至少养护28天以上,含水率不能高于8%,另外在混凝土养护干燥过程中应注意避免被局部淋雨及地面积水等,否则就会导致局部混凝土含水率超标。

    1. New concrete should be maintained for at least 28 days and its moisture content should not be higher than 8%. In addition, in the process of concrete curing and drying, attention should be paid to avoiding local rain and surface water, otherwise the moisture content of local concrete will exceed the standard.

    2、水泥混凝土基面要牢固、结实、不起壳,强度要求不低于C20,杜绝砂浆起壳现象,最好混凝土层与砂浆找平层一起浇注;如果先捣混凝土层,则要求砂浆层的厚度不能低于4cm,叉车道则要求更厚一些。

    2. Cement concrete base surface should be firm, firm and not shell-proof, and the strength requirement should not be less than C20. It is better to stop the shell-proof phenomenon of mortar and pour the concrete layer together with the mortar leveling layer. If the concrete layer is tampered first, the thickness of the mortar layer should not be less than 4cm, and the forklift lane should be thicker.

    3、要求水泥混凝土表面不起砂,硬度要好,而且没有水泥粉化现象;这就要求要有优质的水泥,而且新倒的水泥砂浆层要充分保养。

    3. Require cement concrete surface not to sand, hardness is good, and there is no cement pulverization phenomenon; this requires high-quality cement, and the newly poured cement mortar layer should be fully maintained.

    4、水泥混凝土基面还要平坦、没有凸凹不平的地方,平整度一般要求在2m范围内落差不大于2mm(最好用抹光机抹平并收光);如落差较大,则环氧地坪涂层需加厚以减少落差。

    4. Cement concrete base surface should be flat and uneven, and the difference of flatness within 2m is not more than 2mm (it is better to use a polisher to smooth and collect light); if the difference is large, the floor coating should be thickened to reduce the difference.

    5、如需涂装的地面处于底层,地下水位较高,则混凝土底层应作好防水处理,避免地下水上升形成的蒸汽压顶起环氧地坪涂层而引起起泡、起壳现象。

    5. If the ground to be painted is in the bottom layer and the groundwater level is high, the concrete bottom layer should be waterproofed to avoid the bubbling and shelling caused by the vapor pressure caused by the rise of groundwater.

    6、水泥混凝土地面不能有油污,如果有,需要及时清除干净。

    6. There should be no oil pollution on the cement concrete floor. If there is any oil pollution, it should be cleaned up in time.

    7、大面积混凝土基层应根据基材状况切割合理伸缩缝留待地坪涂装时处理,为保持地面美观,尽量将伸缩缝隐蔽在隔断下,实在不能的,施工环氧地坪时留缝,然后用弹性胶灌缝。

    7. Large area concrete base should cut reasonable expansion joints according to the condition of base material and leave them to be treated when painting the floor. In order to keep the ground beautiful, it is impossible to conceal expansion joints under partition as far as possible. When constructing epoxy floor, the expansion joints should be retained and then filled with elastic glue.

    环氧地坪漆厂家提醒大家:如混凝土基层达不到要求,出现混凝土层起层导致地坪涂层起壳、脱落等现象,底层未做防水处理或防水不严出现的地坪涂层起泡现象,基材严重不平而涂层设计不合理(过薄)导致的地坪涂层开裂现象等,地坪施工方不应负责。

    The epoxy floor paint manufacturer reminds us that if the concrete base fails to meet the requirements, the floor coating will shell and fall off due to the rise of concrete layer, the floor coating bubbles when the bottom layer is not waterproof or waterproof is not strict, the floor coating cracks caused by the serious uneven base material and the unreasonable (too thin) coating design, etc., the floor construction party should not be responsible.


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