Durability of metakaolin Self-Compacting Concrete

被引：81
|
作者：
Badogiannis, Efstratios G. [1 ]
Sfikas, Ioannis P. [1 ]
Voukia, Dimitra V. [1 ]
Trezos, Konstantinos G. [1 ]
Tsivilis, Sotirios G. [2 ]
机构：
[1] Natl Tech Univ Athens, Sch Civil Engn, Lab Reinforced Concrete, GR-15773 Athens, Greece
[2] Natl Tech Univ Athens, Sch Chem Engn, Lab Analyt & Inorgan Chem, GR-15773 Athens, Greece
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2015年 / 82卷
关键词：
Self-Compacting Concrete; Metakaolin; Durability; Open porosity; Sorptivity; Water permeability; Gas permeability; Chloride penetrability; NEAR-SURFACE CHARACTERISTICS; TRANSPORT-PROPERTIES; PORE STRUCTURE; SILICA FUME; STRENGTH; SHRINKAGE; PERMEABILITY; PERFORMANCE;
D O I：
10.1016/j.conbuildmat.2015.02.023
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The aim of this study is to evaluate the durability of Self-Compacting Concrete (SCC) incorporating metakaolin (mk). For the mixture preparation, cement or limestone powder were replaced by mk at different levels. The estimated properties (open porosity, sorptivity, water and gas permeability, chloride penetrability) were evaluated against a reference mixture (without mk). The incorporation of mk improved durability, but not the near surface water permeability of the concrete. Equations expressing the effect of the replacement level on the examined properties were formulated, whenever appropriate. The most enhancing effect of mk as a replacement material was observed in the chloride penetration resistance. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：133 / 141
页数：9
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