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（1）使用防水涂料时，基面应干净无水泥浮浆、油污以及其它杂物，清洗混凝土基面，使防水涂料能密切接合，有利于涂料发挥二次抗渗的效果。若常规清理不行的话，可采用钢丝刷刷洗、高压水冲等方法进行处理。 (1) when using waterproof coating, the base surface should be clean, no cement, floating slurry, oil stain and other debris. Clean the concrete base surface and make the waterproof coating able to closely join, which is beneficial to the two anti permeability effect of the coating. If the routine cleaning does not work, can use wire brush to wash, high pressure water treatment method. （2）必须仔细检查是否有结构上的缺陷，基面的蜂窝、孔洞、裂缝及上下水管周边等先用堵漏材料调和的浆料填堵并抹平，尖锐的边缘及凸起物应铲除。对疏松多孔的基面应用防水涂料抹平，刮涂平整。阴阳角等节点处做成圆弧角（阴角R＞50mm、阳角R＞10mm）。 点这免费下载施工技术资料 (2) must carefully check whether there are defects on the structure, surface, holes, cracks and honeycomb filling slurry water pipes under the surrounding by plugging material and harmonic smooth, sharp edges and projections should be removed. The waterproof coating is applied to the loose and porous base surface, and the scraping is leveled. The arc angle (negative angle R > 50mm, positive angle R > 10mm) is made at the joint of yin and Yang. Point this free downloading of construction technical data （3）施工前必须用清水彻底湿润工作面，形成内部饱和，以利于防水涂料借助水分向混凝土结构内部渗透。但要保持基面五明水，冬季施工应做一段湿润一段。 (3) before construction, the work surface must be thoroughly wetted with water to form the internal saturation, so that the waterproof coating can penetrate into the concrete structure with water. But to keep the base five Mingshui, winter construction should be done in a humid period.