Microstructural Investigations into the Abrasion Resistance of Fiber-Reinforced Concrete Floors
Publication: Journal of Materials in Civil Engineering
Volume 20, Issue 2
Abstract
The influence of fiber inclusion on the abrasion resistance of concrete specimens of various mix compositions was measured by means of a rolling-wheel apparatus. Microhardness, mercury intrusion porosimetry, and petrographic examinations were used to investigate the microstructural features of the cement matrix of the exposed surfaces. The results indicate that variations in the water–cement ratio for both plain and fiber-reinforced concrete mixes influence the microhardness and the pore structure of the surface matrix. The petrographic examination revealed that variations in the water–cement ratio for both plain and fiber-reinforced concrete influenced the formation and dimensions of the locally abundant microcracks observed below the parts of the surfaces subjected to abrasion testing. For the systems investigated, this was attributed to the phenomenon of rolling contact fatigue.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 20 • Issue 2 • February 2008
Pages: 157 - 168
Copyright
© 2008 ASCE.
History
Received: Feb 27, 2007
Accepted: Apr 19, 2007
Published online: Feb 1, 2008
Published in print: Feb 2008
Notes
Note. Associate Editor: Kiang Hwee Tan
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