Research on the Effect of Fly Ash Content on the Tensile Properties of PVA -ECC

DOI

10.2991/ap3er-15.2015.40How to use a DOI?

Keywords

fiber reinforced cementitious composite;tensile properties; fly ash content; crack width

Abstract

The stress-strain relationship and tensile resistance parameters of polyvinyl alcohol fiber reinforced cementitious composite(PVA-ECC) are studied and analyzed experimentally by uniaxial tensile test. The specimens are 200mm×50mm×20mm with different fly ash content. The test is carried out by using displacement controlled test installation and complete stress-strain curves are obtained. The results show that with the increase of fly ash content, the concrete strength and average crack spacing show a trend of decrease after the first increase, the tensile strain increases gradually and the maximum value is 6.23%, the average crack width decreases gradually. In this experiment the best fly ash content is 70%. If the drop of compressive strength of ECC is permit, increasing fly ash content appropriately will help to further improve the toughness and ductility of PVA fiber reinforced cementitious composite.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Wan Li
AU  - Xiaoyong Zhou
AU  - Na Li
PY  - 2015/06
DA  - 2015/06
TI  - Research on the Effect of Fly Ash Content on the Tensile Properties of PVA -ECC
BT  - Proceedings of the 2015 Asia-Pacific Energy Equipment Engineering Research Conference
PB  - Atlantis Press
SP  - 166
EP  - 172
SN  - 2352-5401
UR  - https://doi.org/10.2991/ap3er-15.2015.40
DO  - 10.2991/ap3er-15.2015.40
ID  - Li2015/06
ER  -