再生细骨料混凝土的抗渗透性  

THE RESISTANCE OF CHLORIDE ION PENETRATION OF RECYCLED FINE AGGREGATE CONCRETE

作　　者：李艳美[1] 毛高峰[1] 张健[1] 吕雪源[1] 孙彩霞[1] 李秋义[1] 

机构地区：[1]青岛理工大学土木工程学院,青岛266033

出　　处：《低温建筑技术》2008年第3期14-16,共3页Low Temperature Architecture Technology

摘　　要：通过ASTM C1202法测定再生细骨料混凝土的渗透性。实验结果表明:颗粒整形再生细骨料混凝土的抗渗透性略高于相应的简单破碎再生细骨料混凝土;再生细骨料混凝土的抗渗透性均随着细骨料取代率的增大而降低;粉煤灰掺量为30%时可使混凝土渗透性降低36.1%;胶凝材料用量每增加100kg/m3,混凝土渗透性降低约27.6%。再生细骨料混凝土具有较好的抗渗性。In this article, test about the permeability of recycled fine aggregate concrete is carried out according as the standard test method of ASTM C1202. The results show that particle - reshaped recycled fine aggregate concrete is less permeable than the simple shaped one. The penetafion decreases as the replacement rate increases, the dielectric flux can decrease by 36.1% when fly ash is added to 30%. It can decease 27. 6% whenever the binder material content increases 100kg/m^3 .The recycled fine aggregate concrete has an aeeeptable impermeability referring to ehloride ion.

关 键 词：再生细骨料 ASTM C1202 电通量 渗透性 

分 类 号：TU522.09[建筑科学—建筑技术科学]