适用于高层和框架结构建筑的新型墙体材料——大孔率非承重粘土空心砖于1993年10月18日在乌鲁木齐市建筑材料总厂通过新产品鉴定。 来自自治区和乌鲁木齐市的近30名专家,听取了生产厂试制总结报告,检查观看了生产线后认为:大孔率非承重粘土空心砖在乌鲁木齐市首家研制开发成功,将起到重要的指导作用。乌鲁木齐市乃至全疆粘土的塑性指数只有 The new wall material for high-rise and frame-structured buildings—the large-pore-rate non-load-bearing clay hollow bricks, passed the new product appraisal on October 18, 1993 at the General Building Material Factory of Urumqi. Nearly 30 experts from the Autonomous Region and Urumqi City heard a summary report of the manufacturer’s trial production. After checking and viewing the production line, he believed that the large-pore-rate non-load-bearing clay hollow bricks will be the first to be successfully developed in Urumqi and will play an important guiding role. The plasticity index of clay in Urumqi and even Xinjiang is only