再生骨料混凝土碳化性能正交试验研究  

Orthogonal Experiment of Carbonation Resistance for Recycled Aggregate Concrete

作　　者：元成方[1] 罗峥[1] 丁铁锋[1] 王海[1] 郝源[1] 詹海雷[1] 

机构地区：[1]西安建筑科技大学土木工程学院,西安710055

出　　处：《武汉理工大学学报》2010年第21期9-12,共4页Journal of Wuhan University of Technology

基　　金："十一五"国家科技支撑计划重大项目(2006BAJ03A02);国家大学生创新性试验计划(081070305)

摘　　要：研究再生混凝土的耐久性能,对于揭示再生混凝土的缺陷,改善其性能并提高其使用寿命具有重要意义。通过正交试验,系统研究了再生骨料取代率、硅酸钠溶液对骨料的强化作用、粉煤灰掺量3个因素对再生混凝土碳化性能的影响,为再生混凝土的耐久性研究和设计提供了理论依据。Because of the significant social and environmental benefits,the recycled aggregate concrete was widely used in practical engineering.Research of the durability of recycled concrete is of great importance to reveals the shortcomings of recycled aggregate concrete,improve its performance and increase its service life.Through the orthogonal experiment,three factors for the carbonation resistance of recycled concrete were systematically studied： replacement ratio of recycled aggregate,sodium silicate solution strengthening effect on the aggregate and fly ash content.Through the research,the theoretical basis was provided to the durability research and design of recycled concrete.

关 键 词：再生混凝土 耐久性 碳化 正交试验 

分 类 号：TU528.1[建筑科学—建筑技术科学]