机构地区: 汕头大学工学院土木工程系
出 处: 《汕头大学学报(自然科学版)》 2005年第3期65-68,共4页
摘 要: 通过对比试验研究,初步探讨偶联剂、减缩剂和粉煤灰共同作用对新老混凝土界面层劈拉强度的影响.结果表明,共同改性的新老混凝土界面层劈拉强度有较大幅度的提高. The co-effect of silane coupling agent, shrinkage reducing admixtureand fly ash on new- to-old concrete interfacial layer were primarily studied through a contradistinctive experimental study in this paper. The results showed that splitting tensile strength of new-to-old concrete repair interfacial layer co-modified with silane coupling agent, shrinkage reducing admixture and fly ash was greatly increased.
关 键 词: 偶联剂 减缩剂 粉煤灰 劈拉强度 新老混凝土界面层
领 域: [建筑科学]