再生混凝土骨料粒径和级配对无砂大孔混凝土性能的影响

Influence of particle size and gradation of recycled aggregate on non-fines macroprous concrete

再生混凝土骨料是利用废弃混凝土块破碎、分级并重新混合形成的骨料,与天然骨料有比较明显的区别,通过研究再生混凝土骨料对无砂大孔混凝土有效孔隙率和强度的影响,可知适当的再生混凝土骨料粒径和级配能配制出具有高有效孔隙率和较高强度的无砂大孔混凝土。

The recycled aggregate, which made of waste concrete by broken ,grading and mixing, is different with natural aggregate. Researching the influence of recycled aggregate on the void ratio and compressive strength of non-fines macroprous concrete, shows that the non-fines macroprous concrete with high void ratio and strength can be prepared by recycled aggregate with appropriate particle size and gradation.