DURABILITY OF LOW STRENGTH CONCRETE WITH HIGH VOLUME FLY ASH SUBJECTED TO SULFATE ATTACK

摘要：

Based on the simulating actual sulphate ambient, experiments were carried out toinvestigate the variations of compressive strength, dynamic elastic modulus and mass of lowstrength concrete with high volume fly ash under immersing into sodium sulfate solution. Andthe related mechanisms were discussed. Results indicate that the compressive strength,dynamic elastic modulus and the mass change of low strength concrete were influencedgreatly by sulfate solution immersion condition, water to binder, fly ash to cement ratio.Compared with immersion in pure water condition, the compressive strength and dynamicelastic modulus of concrete at corresponding ages is larger under immersion in sodium sulfatesolution. The mass of concrete sample increased with the increasing immersion age ininvestigated age. It follows that low strength concrete with high volume fly ash under sulfatesolution immersion condition is durable.

作者: G.CH.Long Y.J.Xie

作者单位: School of Civil Engineering and Architecture,Central South University,Changsha City,410075,China

会议类型: 国际会议

会议名称: 1st International Conference on Microstructure Related Durability of Cementitious Composites(首届与水泥基复合材料耐久性相关的微观结构国际会议)

会议地点: 南京

会议语种:英文

页码: 619-627

在线出版日期: 2008-10-13（万方平台首次上网日期，不代表论文的发表时间）