Abstract: Powerhouses built in northeastern region always suffer sever cold climate, how to effectively deal with the problems of breaking waterproof material owing to icing at powerhouse building roof, there have been no effective methods to be referred. Based on a large qualities of data analysis and investigation and filed experiments, a new waterproof technique for building roof available for cold regions has been summarized. It is detailed in this paper with the application case of Lotus hydropower station.?

摘要： 建于东北高寒地区的厂房建筑物，如何根治冬季屋面积雪冻融结冰，致使防水材料破坏，导致屋面漏水这一难题，门前国内尚无成熟经验。通过大量的资料分析、调研和现场试验，我们总结出适合寒冷地区建筑物屋面防水新工艺。本文将阐述地处高寒地区的蓬花水电站厂房屋面采用倒置式防水新工艺成功应用情况，可供类似工程借鉴。