Strength and durability characteristics of ternary blend and lightweight HPC

被引:10
|
作者
Dhinakaran, G. [1 ]
Kumar, K. Revanth [1 ]
Vijayarakhavan, S. [1 ]
Avinash, M. [1 ]
机构
[1] SASTRA Univ, Sch Civil Engn, Thanjavur 613401, India
关键词
High performance concrete; Expanded clay; Air entraining agent; Compressive strength; Load deflection; Voids;
D O I
10.1016/j.conbuildmat.2016.12.201
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
High performance concrete (HPC) in three different forms were used in the present research and they were made with mineral admixtures, air entraining agent (AEA) and light weight aggregate (LWA). This paper deals with compressive strength, sorptivity, porosity, corrosion resistance and load carrying capacity of HPC. Experimental results reveal that, HPC with ground granulated blast furnace slag (GGBFS) (20%) and Quartz powder (10%) gave 68.4 MPa (for f(ck) = 70 MPa) the maximum compressive strength among three different forms used. In terms of durability the same mix showed a reduction of 60% in voids compared to control concrete. The load carrying capacity of that mix was only 6% less than control concrete. Performance of HPC made with LWA and AEA was inferior to HPC with mineral admixture. Hence HPC with GGBFS (20%) and Quartz powder (10%) was an optimum mix among the various mixes used. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:727 / 736
页数:10
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