Relationship between ultrasonic velocity and compressive strength for high-volume mineral-admixtured concrete

被引：284

作者：

Demirboga, R ^{[1
]}

Türkmen, I ^{[1
]}

Karakoc, MB ^{[1
]}

机构：

[1] Ataturk Univ, Dept Civil Engn, Fac Engn, TR-25240 Erzurum, Turkey

来源：

CEMENT AND CONCRETE RESEARCH | 2004年 / 34卷 / 12期

关键词：

ultrasound pulse velocity; compressive strength; fly ash; blast furnace slag;

D O I：

10.1016/j.cemconres.2004.04.017

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Ultrasound is used to evaluate the compressive strength of concrete with mineral admixtures. In addition, the relationship between ultrasound velocity and compressive strength of concrete are evaluated. High-volume fly ash (FA), blast furnace stag (BFS) and FA + BFS are used as the mineral admixtures in replacement of Portland cement (PC). Compressive strength and ultrasonic pulse velocity (UPV) were determined at the 3-, 7-, 28- and 120-day curing period. Both compressive strength and UPV were very low for all the levels of mineral admixtures at an early age of curing, especially for samples containing FA. However, with the increase of curing period, both compressive strength and UPV of all the samples increased. The relationship between UPV and compressive strength was exponential for FA, BFS and FA + BFS. However, constants were different for each mineral admixture and each level replacement of PC. (C) 2004 Elsevier Ltd. All tights reserved.

引用

页码：2329 / 2336

页数：8

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