再生骨料混凝土研究主要进展与发展趋势_朱平华.pdf

2009 年第 5 期（总第 235 期） 混 凝 土 原材料及辅助物料 Number 5 in 2009 （Total No.235） Concrete MATERIAL AND ADMINICLE doi ：10.3969/j.issn.1002-3550.2009.05.027 再生骨料混凝土研究主要进展与发展趋势 朱平华，王 欣，周 军，何 霞 （扬州科技学院土木工程系，江苏扬州 225009） 摘 要： 再生骨料混凝土是混凝土可持续发展的必然归属。简述了RAC 研究的历史起源，从材料、构件、结构三个层次，总结了RAC 研究 的主要进展，认为RAC 的发展趋势应是绿色高性能再生混凝土（Green High Performance Recycled Concrete，GHPRC）。给出了GHPRC的完整 定义，阐述了其绿色内涵。提出了RAC 向GHPRC 发展尚需解决的两个关键科学问题：其一为经济合理的高品质再生骨料生产工艺；其二 是在结构全寿命周期成本（Structural Life Cycle Cost，SLCC）理念下，GHPRC 基于结构性能与环境性能的设计方法。 关键词： 再生骨料混凝土；绿色混凝土；结构性能；环境性能；结构寿命周期成本 中图分类号： TU528.041 文献标志码： A 文章编号： 1002-3550 （2009）05-0090-03 Main research progress and developm ent trend on recycled aggregate concrete ZHU Ping-hua，WANG Xin ，ZHOU Jun ，HE Xia （Department of Civil Engineering ，Yangzhou Institute of Technology ，Yangzhou 225009 ，China） Abstract: Recycled aggregate concrete （RAC）is the only way to go for concrete sustainable development.The history headspring on RAC and main research progress from three levels，i.e.，materials，members and structures，were summarized.And development trend of RAC was drawn as green high performance recycled concrete （GHPRC）.Then the integrated definition and green meaning were put forward.Two key problems worth to be studied af- terward are put up.One is preparation technics of recycled aggregate with high-quality and reasonable cost.And another is design method of GHPRC based on structural performance and environmental performance with the guide line of structural life cycle cost （SLCC）. Key w ords: recycled aggregate concrete ；green concrete ；structural performance；environmental performance ；structural life cycle cost （SLCC）