Behavior of Beam-Column Joints Made of Sustainable Concrete under Cyclic Loading1
Publication: Journal of Materials in Civil Engineering
Volume 18, Issue 5
Abstract
This work is part of a wide study related to the structural behavior of concretes prepared by substituting natural aggregates with recycled aggregates from building demolition. In this work, recycled aggregates coming from an industrial crushing plant in which rubble are suitably treated were employed in substitution of ordinary aggregates. In order to evaluate the real-scale behavior of reinforced recycled-aggregate concrete, several beam-column joints were manufactured, then cured in open air at a temperature of approximately in order to simulate the real conditions of the building site. Subsequently, they were submitted to low-cycle loading, characterized by a load history containing few cycles but having a large range of bond reversal stresses in order to simulate real structures subjected to earthquake or high winds. In this way, the ductility of joints, made of either ordinary or recycled-aggregate reinforced concrete, could be investigated and compared. The results gave experimental evidence of the suitability of recycled-aggregate concrete for structural use, although some measures in the structural design of the joint should be taken.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 18 • Issue 5 • October 2006
Pages: 650 - 658
Copyright
© 2006 ASCE.
History
Received: Oct 1, 2004
Accepted: Jun 7, 2005
Published online: Oct 1, 2006
Published in print: Oct 2006
Notes
Presented at the 1st International Conference on Innovative Materials and Technologies for Construction and Restoration (IMTCR’04), June 7–9, 2004, Lecce, Italy.
Note. Associate Editor: Laura De Lorenzis
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