Behavior of Steel Furnace Slag, Coal Wash, and Rubber Crumb Mixtures with Special Relevance to Stress–Dilatancy Relation
Publication: Journal of Materials in Civil Engineering
Volume 30, Issue 11
Abstract
The influence of rubber crumbs on the dilatancy behavior and critical state of steel furnace slag (SFS), coal wash (CW), and rubber crumbs (RC) mixtures was investigated via a series of monotonic drained triaxial tests. These tests revealed that RC contents (, %) have a significant influence on the dilatancy behavior and critical state of the aforementioned waste mixtures; in fact, as more is added, dilatancy and the slope of the critical state line in space decreases. Within the framework of critical state soil mechanics, a dilatancy model for mixtures was proposed and validated using experimental data. This model also captured the energy-absorbing property of RC using an empirical relationship between the total work input and the critical stress ratio .
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Acknowledgments
he first author would like to acknowledge the financial assistance provided by the China Scholarship Council. The assistance provided by industry (Australia Steel Milling Services and South 32) in relation to the procurement of material used in this study is gratefully acknowledged. Assistance in the laboratory from Mr. Richard Berndt and occasional technical feedback from Associate Professor Cholachat Rujikiatkamjorn and Dr. Ana Heitor are also appreciated. The support from the Australian Research Council Discovery Project (ARC-DP) and ARC Industry Transformation Training Centre for Advanced Technologies in Rail Track Infrastructure (ITTC-Rail) is gratefully appreciated.
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Published In
Journal of Materials in Civil Engineering
Volume 30 • Issue 11 • November 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Aug 31, 2017
Accepted: Apr 11, 2018
Published online: Aug 3, 2018
Published in print: Nov 1, 2018
Discussion open until: Jan 3, 2019
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