论文部分内容阅读
一、引言在建筑工程所用的材料中,墙体材料占的比重最大。我国墙体材料产品结构十分单调,主要是粘土砖,年产1500多亿块。每年烧砖耗煤多达2500~3000万吨,毁地5万亩以上,对国民经济是个很大的负担,建筑物的使用功能和建筑业的现代化也受其制约,因而,早在六十年代,人们就提出了改革墙体的意见。
I. INTRODUCTION Among the materials used in construction projects, wall materials account for the largest proportion. The structure of wall materials in China is very monotonous, mainly clay bricks, with an annual output of more than 150 billion pieces. Each year, as much as 25 million to 30 million tons of coal is burned, and more than 50,000 acres of land are destroyed, it is a great burden on the national economy. The use of buildings and the modernization of the construction industry are also constrained by it. Thus, as early as sixty In the age, people put forward the idea of reforming the wall.