轻骨料预处理对混凝土物理力学性能的影响

Effect of Lightweight Aggregate Pretreatment on Physical and Mechanical Properties of Concrete

水泥裹砂石法是提升轻骨料混凝土力学性能的最简单有效的预处理方法,用浓度0.5的胶凝材料浆体(90%水泥+10%硅灰)造壳法不仅提升了混凝土的强度,也提升了比强度。但实际生产中较难实现,其他方法效果不明显或工艺较为复杂。

The cement-coated sand-gravel method is the simplest and most effective pretreatment method to improve the mechanical properties of lightweight aggregate concrete,and the shell-making method with the cementing material paste(90%cement+10%silica fume)with a concentration of 0.5 not only improves The strength of concrete is improved,and the specific strength is also improved,but it is difficult to achieve in actual production,and the effect of other methods is not obvious or the process is more complicated.