Structural Behavior of Cast In Situ Concrete Block Pavement
Publication: Journal of Transportation Engineering
Volume 131, Issue 9
Abstract
This paper describes the findings of a study carried out for evaluating the performance of cast in situ concrete block pavements for low volume roads. Concrete is filled up into a formwork of cells made up of thin plastic sheets and compacted to form flexible interlocked concrete blocks. Details of a laboratory investigation on the proportioning of mixes and the evaluation of the strength of different mixes are presented. Cast in situ block pavements were constructed and tested in an accelerated pavement test facility. It was found that the blocks became interlocked and that the block pavement displayed a very little amount of rutting along the wheel path. A falling weight deflectometer test indicated that the equivalent elastic modulus of cast in situ concrete blocks was over . An example of pavement design using cast in situ concrete blocks is presented.
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Acknowledgments
The writers would like to acknowledge the help of Malcolm Hall and his team of Hyson Cells Company of South Africa.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 131 • Issue 9 • September 2005
Pages: 662 - 668
Copyright
© 2005 ASCE.
History
Received: Jul 7, 2004
Accepted: Oct 11, 2004
Published online: Sep 1, 2005
Published in print: Sep 2005
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