经过三十多年的努力 ,特别是近十年的奋斗 ,建筑砌块在我国得到了很大发展。至 2 0 0 0年全国各类砌块建筑累计已超过 5亿ｍ2 ,2 0 0 0年全国各类砌块产量已达 4 80 0万ｍ3 (不包括加气混凝土砌块 ) ,折合 32 0亿块标准砖 ,占 2 0 0 0年墙体材料总量的 5 %。其中普通混凝土小型 After more than thirty years of hard work, especially in the last ten years, construction blocks have been greatly developed in our country. By the year 2000, the total number of various types of block construction in the country has exceeded 500 million m2. In 2000, the output of various types of blocks nationwide reached 48 million m3 (excluding aerated concrete blocks), equivalent to 320% One hundred million standard bricks accounted for 5% of the total wall materials in 2000. Among them ordinary concrete is small