Pozzolanic effect of andesite waste powder on mechanical properties of high strength concrete

被引：43

作者：

Davraz, Metin ^{[1
]}

Ceylan, Hakan ^{[2
]}

Topcu, Ilker Bekir ^{[3
]}

Uygunoglu, Tayfun ^{[4
]}

机构：

[1] Suleyman Demirel Univ, Nat & Ind Bldg Mat Applicat & Res Ctr, TR-32260 Isparta, Turkey

[2] Suleyman Demirel Univ, Tech Sci Vocat Sch, Dept Construct, TR-32260 Isparta, Turkey

[3] Eskisehir Osmangazi Univ, Fac Engn & Architecture, Civil Engn Dept, TR-26480 Eskisehir, Turkey

[4] Afyon Kocatepe Univ, Engn Fac, Civil Engn Dept, TR-03200 Afyon, Turkey

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 165卷

关键词：

Andesite waste powder; Pozzolan; Efficiency factor; Replacement rate; Strength class; SELF-COMPACTING CONCRETE; MINERAL ADMIXTURES; MARBLE POWDER; STONE SLURRY; CEMENT; PERFORMANCE; FILLER; DUST; MIX;

D O I：

10.1016/j.conbuildmat.2018.01.043

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Andesite stone is widely used in civil engineering and architectural applications in Turkey. Mining, cutting and polishing of andesite stone leads to the generation of significant amounts of waste material. Andesite contains SiO2 as the main component. Therefore, andesite may have pozzolanicity and thus may be used as mineral additive in concrete. In this study, the efficiency factor of andesite waste powder as a mineral additive was investigated and compared with F type fly ashes. The efficiency factors of mineral additives were also analyzed according to the curing ages of concrete specimens. Concrete specimens were prepared at various cement dosages to determine the efficiency factors of mineral additives at different replacement levels. The compressive strengths of concrete specimens were tested at 28th and 90th days. The efficiency factors were calculated by determining the variable Feret coefficient for each specimen series. For C40 strength class, the optimum replacement rate of andesite waste powder was determined as 10% at curing ages of 28 and 90 days. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：494 / 503

页数：10

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