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电站厂房钢筋混凝土平屋面常用卷材防水层或刚性防水层。例如预制屋面板安装就位,嵌缝找平后,在上面铺设两毡三油,表面再撒豆石;或者铺一层油毡,上加35～45毫米厚的钢筋混凝土刚性防水层,间距不大于10米设伸缩缝分仓,并用防水油膏嵌缝。或在现浇屋面板上加铺两毡三油,表面铺撒豆石。这些做法防水性却不太高。油毡容易老化,一般用上10～15年即需翻修换新,既费工又
Power plant reinforced concrete flat roof commonly used membrane waterproof layer or rigid waterproof layer. For example, prefabricated roof panels are installed in place, caulking level after the laying of two felt three oil, the surface and then sprinkle beans; or shop a layer of linoleum, plus 35 ~ 45 mm thick reinforced concrete rigid waterproof layer, the spacing is not greater than 10 meters set expansion joints warehouse, and waterproof sealant caulking. Or in the cast-in-house roofing two blankets three oil, surface spread bean stone. These practices are not waterproof. Linoleum easy to aging, generally spend 10 to 15 years that need to renovate new, both costly and