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我们局管内共有沥青卷材屋面四十九万平方公尺。其中:漏雨占总数33.3％,返霜滴水占总数45.9％,这两种病害占该房屋79.2％左右。属于8～10公分厚水泥珍珠岩保温层返霜滴水有八万五千多平方公尺,沥青珍珠岩保温层返霜滴水有三万八千多平方公尺,这些是房产部门几年来未解决的大老难问题,不仅给国家造成很大经济损失,还直接影响职工家属居住和身心健康。因此住户反映很强烈。经过一年多调查研究、室内外试验,并通过热工计算试找了产生病害的原因,本文就此进行一些探讨,就教于同行。
There is a total of 490,000 square meters of asphalt coiled roof in our bureau. Among them, leakage accounted for 33.3% of the total, returning frost drips accounted for 45.9% of the total, these two diseases accounted for about 79.2% of the house. There are more than 85,000 square meters of 8 to 10 centimeters thick cement perlite insulation return frost, and 38,000 square meters of bitumen perlite insulation return, these are the real estate department has not resolved for several years The big hardship problem not only caused great economic losses to the country, but also directly affected the family members’ living and physical and mental health. Therefore, the households responded strongly. After more than a year of investigation and research, indoor and outdoor experiments, and through the thermal calculation test to find the cause of the disease, this article on this for some discussion, to teach in the same industry.