Fatigue characteristics of steel-making slag concrete under compression in submerged condition

被引：9

作者：

Onoue, Kozo ^{[1
]}

Tokitsu, Masateru ^{[2
]}

Ohtsu, Masayasu ^{[3
]}

Bier, Thomas A. ^{[4
]}

机构：

[1] Miyazaki Univ, Dept Civil & Environm Engn, Miyazaki 8892192, Japan

[2] Miyazaki Univ, Grad Sch Engn, Miyazaki 8892192, Japan

[3] Kumamoto Univ, Grad Sch Sci & Technol, Kumamoto 860, Japan

[4] TU Bergakademie Freiberg, Inst Keram Glas & Baustofftech, Freiberg, Germany

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2014年 / 70卷

关键词：

Steel-making slag concrete; Hot metal pretreatment slag; Converter slag; Los Angeles machine; Polishing; Fatigue strength; Compressive strength; Strain rate; Acoustic emission; Hardness;

D O I：

10.1016/j.conbuildmat.2014.07.107

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Steel-making slag concrete (SSC) is an environmental friendly material made mainly of by-products of steel industry without using Portland cement. The fatigue characteristics of SSC under compression in submerged condition are experimentally investigated, for applications to marine and harbor structures. Based on the fatigue tests, calculation formulae are proposed on the averaged fatigue life. The fatigue strength of SSC with hot metal pretreatment slag or converter slag as fine and coarse aggregates is slightly smaller than that of ordinary cement concrete, while using polished hot metal pretreatment slag (PHPS) as aggregates is found to improve the fatigue strength of SSC. The superior characteristics of SSC with PHPS against fatigue failure are studied through the measurements of strain, AE, and hardness of the materials. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：231 / 242

页数：12

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