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Interlocking Aperture Concrete Block: An Answer to Permeable Pavement

Interlocking Aperture Concrete Block: An Answer to Permeable Pavement An increase in impermeable pavement surfaces, with the growth of urban areas, enhances the risk of local flooding and water logging. Permeable pavements (PP) can be a solution to these problems. However, permeable interlocking concrete block with aperture arranged to increase water permeability can be a better solution to the problem. The present study suggests an optimum aperture diameter and its arrangement pattern to increase permeability of interlocking concrete paver block (CPB) without affecting the strength. Different possible aperture and arrangement patterns on uni-pave shape CPB are analysed using finite element model. Maximum compressive load-carrying capacity of CPB, stress, strain and deformation are analysed to develop a regression model to obtain optimum aperture size and its arrangement pattern. Comparison of various properties of selected aperture block with the control block observed that density, compressive strength, flexural strength, ultrasonic pulse velocity is reduced with increase in water absorption but remain within the codal provisions. The selected aperture CPBs compared to control block not only increase rate of infiltration but also are structurally safe enough for use in the interlocking aperture concrete block pavement system in the medium traffic condition. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Interlocking Aperture Concrete Block: An Answer to Permeable Pavement

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Publisher
Springer Journals
Copyright
Copyright © 2019 by The Institution of Engineers (India)
Subject
Engineering; Civil Engineering
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-019-00363-1
Publisher site
See Article on Publisher Site

Abstract

An increase in impermeable pavement surfaces, with the growth of urban areas, enhances the risk of local flooding and water logging. Permeable pavements (PP) can be a solution to these problems. However, permeable interlocking concrete block with aperture arranged to increase water permeability can be a better solution to the problem. The present study suggests an optimum aperture diameter and its arrangement pattern to increase permeability of interlocking concrete paver block (CPB) without affecting the strength. Different possible aperture and arrangement patterns on uni-pave shape CPB are analysed using finite element model. Maximum compressive load-carrying capacity of CPB, stress, strain and deformation are analysed to develop a regression model to obtain optimum aperture size and its arrangement pattern. Comparison of various properties of selected aperture block with the control block observed that density, compressive strength, flexural strength, ultrasonic pulse velocity is reduced with increase in water absorption but remain within the codal provisions. The selected aperture CPBs compared to control block not only increase rate of infiltration but also are structurally safe enough for use in the interlocking aperture concrete block pavement system in the medium traffic condition.

Journal

Journal of The Institution of Engineers (India): Series ASpringer Journals

Published: Feb 6, 2019

References