再生混凝土自生收缩和干燥收缩性能研究进展  

Research progress on autogenous shrinkage and drying shrinkage of recycled concrete

作　　者：喻泽鑫 李秋义[1,2] 苏敦磊 YU Zexin;LI Qiuyi;SU Dunlei(School of Civil Engineering,Qingdao University of Technology,Qingdao 266033,China;School of Architecture Engineering,Qingdao Agricultural University,Qingdao 266109,China)

机构地区：[1]青岛理工大学土木工程学院,山东青岛266033 [2]青岛农业大学建筑工程学院,山东青岛266109

出　　处：《混凝土》2022年第2期6-9,共4页Concrete

基　　金：国家自然科学基金面上项目(51878366,51978353);国家自然科学基金青年科学基金项目(51808310);山东省自然科学基金培养基金项目(ZR2019PEE007)。

摘　　要：围绕自生收缩和干燥收缩这两种主要的收缩形式,论述了再生混凝土中两种收缩影响因素以及预测模型;基于再生混凝土的性能特点,提出了减少再生混凝土收缩变形的思路和方法,为进一步实现再生混凝土的高性能化、拓宽再生混凝土的应用领域奠定基础。Centering on the two main shrinkage forms,autogenous shrinkage and dry shrinkage,the influencing factors and prediction models of these two shrinkage forms in recycled concrete are discussed in detail.Based on the performance characteristics of recycled concrete,the ideas and methods of reducing the shrinkage and deformation of recycled concrete are put forward,which lays a foundation for further realizing the high performance of recycled concrete and broadening the application field of recycled concrete.

关 键 词：再生混凝土 自生收缩 干燥收缩 影响因素 预测模型 

分 类 号：TU528.01[建筑科学—建筑技术科学]