１前言 人口的增加，可耕土地面积的减少，限制粘土砖的生产和使用成为我国保护耕地、节约能源的一项根本措施。随着改革开放的深入，墙体改革势在必行。但用什么材料替代粘土砖，在经济技术方面和人们的感觉上更易于被接受，是广大工程技术人员需认真研究的课题。 近几年，砼 1 Introduction Population increase, arable land reduction, limiting the production and use of clay bricks as China’s protection of arable land, energy conservation is a fundamental measure. With the deepening of reform and opening up, wall reform is imperative. However, what material to replace the clay brick, the economic and technical aspects and people’s feelings more easily accepted, is the majority of engineering and technical personnel should be seriously studied. In recent years, concrete