粘土砖空心化,是我国实现墙体材料改革的一个重要方面。怎样才能使粘土空心砖在建筑施工中普遍应用,是当前迫在眉睫的一件大事。湖南是我国试制和推广粘土空心砖最早的省份之一。1954年,原长沙机制砖厂便开始试产四孔和六孔大型空心砖,用于填充隔墙、楼板、屋面隔热等方面。1963年,原建工部召开 Hollowing of clay bricks is an important aspect of China’s reform of wall materials. How to make clay hollow bricks widely used in building construction is a major event that is imminent. Hunan is one of the earliest provinces in China to trial-promote and popularize clay hollow bricks. In 1954, the original Changsha mechanism brick factory began trial production of four-hole and six-hole large hollow bricks for filling partition walls, floors, and roof insulation. In 1963, the former Ministry of Construction and Industry held