因素有以下几个：1） 施工操作不仔细，没有严厉依照防水层的请求进行操作，忽略了防水层的整体连续性。2） 刚性防水层厚薄不均匀，抹压不密实或漏抹。3） 砖砌体密实性欠好，砌筑质量差，灰浆不丰满。4） 抹刚性防水层的防水剂质量不合格，防水功能欠好。5） 刚性防水层抹完后未充分维护，砂浆前期脱水，水分过早蒸腾，使防水层中构成微小毛细孔。
Factors are as follows: 1) construction operation is not careful, not strictly in accordance with the requirements of the waterproof layer, ignoring the overall continuity of the waterproof layer. 2) the rigid waterproof layer is uneven, and the pressure is not dense or leaky. 3) brick masonry is of poor density, poor masonry and insufficient plaster. 4) the quality of waterproofing agent with rigid waterproof layer is not qualified, and the waterproof function is not good. 5) The rigid waterproof layer is not fully maintained after wiping, the mortar is dehydrated in the early stage, and the moisture is transpired too early, which makes the waterproof layer form tiny pores.
The wetting measures for basement walls are as follows:
(1) Epoxy lithopone was prepared by the reaction of ethylenediamine and acetone in the same amount. The mixture of epoxy resin and dibutyl ester was added with 16% epoxy resin, and a certain amount of lithopone was added to the mixture, and the wall was painted clean and dry. If there is alkaline substance on the wall, wash it with acid water and clean it with clean water. Generally brush two times, the thickness is about 0.4mm.
(2) The cooperative ratio of cyanide coagulant treatment is 49% of prepolymer carbamate, 1% of catalyst triethanolamine, 10% of diluent acetone and 40% of filler cement. The operation method is that the prepolymer is first poured into the container, diluted with acetone, participated in triethanolamine, mixed into cyanide slurry, eventually participated in cement, mixed evenly can be brushed. If there is still slight penetration after coating, it can be applied once again. After spraying, a layer of dry cement will be pressed.
(3) "Waterproof treasure" treatment can be used type I "waterproof treasure", mixed with a variety of pigments to adjust the color demand, painted on the wet wall, not only to prevent leakage, but also as interior decoration.
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