Numerical Modeling and Optimization of the Geometric Properties Influencing the Deflection Behavior of Interlocking Concrete Block Pavement
Publication: Journal of Transportation Engineering, Part B: Pavements
Volume 148, Issue 3
Abstract
Interlocking Concrete Block Pavement (ICBP) is a pavement type consisting of a discrete wearing layer with a unique load transfer mechanism. The main objective of the present study was to understand the influence of geometric properties of Interlocking paver block (IPB) on the deflection behavior of ICBP. The geometric parameters considered in the study include the block laying pattern, laying angle, laying thickness, and laying shape. Plate load tests were used to evaluate the deflection of the ICBP, and numerical modeling was carried out using PLAXIS Software. The PLAXIS software was validated using experimental and case study deflection test results. The optimization and significance of the geometric parameters were analyzed using Design Expert software. The test result showed that less deflection was experienced for the ICBP when laid in a herringbone pattern, 90° angle, 80–100-mm thickness, and zigzag shape.
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Data Availability Statement
Some or all of the data, models, or code that support the findings of this study are available from the corresponding author on reasonable request (laboratory test calculations, PLAXIS model, optimization process, optimization model).
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Published In
Journal of Transportation Engineering, Part B: Pavements
Volume 148 • Issue 3 • September 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Feb 25, 2021
Accepted: Jan 5, 2022
Published online: Apr 27, 2022
Published in print: Sep 1, 2022
Discussion open until: Sep 27, 2022
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