中北大学学报（自然科学版）2017，Vol.38Issue(2)：243-248,6.DOI:10.3969/j.issn.1673-3193.2017.02.026
普通混凝土和高性能混凝土泛碱试验研究
Experimental Study on Efflorescence of Ordinary Concrete and High Performance Concrete
摘要
Abstract
White efflorescence,collected from north region of Shanxi,was analyzed to obtain its chemical composition.After the experiment,it was found that Na2SO4 accounts for 90％ of all efflorescence.Ordinary concrete specimens(OCS) and high performance concrete specimens(HPCS) were manufactured and partially exposed to Na2 SO4 solution,then their different reflections were studied under dry-wet circulation.Experimental results show that:Both specimens' efflorescence are Na2SO4 crystal,but crystal morphology are different;HPCS appear to have a delaying effect on efflorescence,and have less efflorescence than ordinary concrete;HPCS have obvious advantage in chemical sulfate attack resistance.关键词
泛碱/高性能混凝土/干湿交替/结晶形貌Key words
efflorescence/high performance concrete/dry-wet circulation/crystal morphology分类
建筑与水利引用本文复制引用
刘晋艳,田钰靖,巩天真,牛宁..普通混凝土和高性能混凝土泛碱试验研究[J].中北大学学报（自然科学版）,2017,38(2):243-248,6.基金项目
山西省科技计划资助项目(2015021132) （2015021132）
国网山西省电力公司科研资助项目(SGSX0000JSJS[2015]278) （SGSX0000JSJS[2015]278）
山西省大学生创新创业训练计划资助项目(2016017) （2016017）
山西大学校企合作横向科研课题(01230115080037) （01230115080037）
山西大学第十四期本科生科研训练项目(2016014357) （2016014357）
