论文部分内容阅读
我省于1963年开始在工业和民用建筑中使用高蜡石油沥青作屋面防水材料,已应用的工程面积为100多万平方米,每年使用的沥青量为1000多吨。我们在1975年对部分工程进行了屋面调查,没有发现卷材下滑、沥青流淌、严重起鼓等现象。如合肥工业大学铸工车间和合肥农机厂某车间,于1965年和1963年施工,使用已有十多年了,质量较好;但也有少数工程,由于没有按操作规程操作,造成卷材严重起鼓,只使用了2～3年即发现渗漏,不得不进行翻修。我们认为,只要严格控制屋面基层的含水率,熬油、浇油温度,铺贴厚度,做好面
In 1963, the province began to use high-waxed petroleum bitumen as roofing waterproofing material in industrial and residential buildings. The applied area was over 1 million square meters, and the amount of asphalt used per year was more than 1,000 tons. In 1975, we conducted a roof survey of some of the projects. We did not find that the coils were slipping, asphalt was flowing, and drums were serious. For example, the casting workshop of Hefei University of Technology and a workshop of Hefei Agricultural Machinery Factory were constructed in 1965 and 1963. They have been used for more than 10 years and have good quality. However, there are also a few projects. Since there is no operation according to the operating procedures, the coils are seriously damaged. Drums were found to have leaked only for 2 to 3 years and had to be repaired. We believe that as long as the strict control of the moisture content of the roof base, oyster sauce, oil temperature, the thickness of the shop, do a good job