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散水是建筑物外墙四周的倾斜护坡,多采用素混凝土结构,坡度一般为3%～5%,宽度一般不小于800mm,其作用是利于排水,保护墙基。混凝土散水常规做法如下:(1)素土夯实,向外坡4%;(2)150mm厚3∶7灰土垫层,超出散水外缘500mm;(3)60mm厚C15混凝土,面上加5mm厚1∶1水泥砂浆,随打随抹光。水泥混凝土散水应设置伸缩缝,其延长米间距不得大于10m,房屋转角处应做45°坡度缝,散水与建筑物连接处应设缝处理。上述缝宽为15～20mm,缝内填嵌柔性密封材料。
Scattered water is the building slope around the external slope protection, the use of plain concrete structure, the slope is generally 3% to 5%, the width is generally not less than 800mm, its role is conducive to drainage, protection of the foundation. Conventional concrete water-dispersal practices are as follows: (1) plain soil compaction, to the outer 4%; (2) 150mm thick 3: 7 lime soil cushion, beyond the outer edge of scattered water 500mm; (3) 60mm thick C15 concrete, 1: 1 cement mortar, with playing with light. Expansion joints should be provided for the scattered water of cement concrete. The interval between the extended meters shall not be more than 10m. 45 ° slope joints shall be made at the corners of the houses. Seams shall be provided at the connections between the bulk water and the buildings. The above slit width of 15 ~ 20mm, seams filled flexible sealing material.