近年来，砼空心砌块发展较快，特别是在严寒采暖地区，砼空心砌块的应用有了较大的发展。在严寒采暖地区砼空心砌块的应用，不仅要求砌块具有较好的保温性能，还要求砌块尽可能达到国家建筑节能标准的要求。在齐齐哈尔地区砼空心砌块产品由于所用的轻集料种类不同，产品的... In recent years, the development of concrete hollow blocks has been rapid, especially in severe cold areas, and the application of concrete hollow blocks has been greatly developed. The application of concrete hollow blocks in severe cold heating areas not only requires the blocks to have good thermal insulation properties, but also requires the blocks to meet the requirements of national building energy-saving standards as much as possible. In the Qiqihar area, hollow block products due to the different types of light aggregates used, the products...