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硫酸钠侵蚀下再生混凝土性能研究

Recycled Concrete Performance under Performance Sodium Sulfate Erosion
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摘要 对再生集料混凝土在两种外部硫酸盐侵蚀环境(硫酸钠溶液浸泡和干湿循环)于微观和宏观尺度上的性能进行试验研究。结果表明,宏观尺度上,在两种侵蚀环境中,再生集料混凝土的力学性能随腐蚀龄期增长都呈现先增强后削弱的规律,这与界面过渡区和砂浆在微观尺度上的性能改变密切相关。建议富硫酸盐环境下尤其是干湿循环环境中,再生集料混凝土在结构中的应用应当谨慎。
作者 陈响荣 王美玲 蔡镕珲 张松安 林蓬 刘辉 Chen Xiangrong;Wang Meiling;Cai Ronghui;Zhang Songan;Lin Peng;Liu Hui
出处 《绿色建筑》 CAS 2020年第1期59-65,共7页 Green Building
基金 2018年国家级大学生创新创业训练计划项目(01810386014)。
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