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10.3390/buildings12071001
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Article

Influence of Crumb Rubber and Coconut Coir on Strength and Durability Characteristics of Interlocking Paving Blocks

by
Sajani Gamage
1,
Sandini Palitha
1,
D. P. P. Meddage
1,
Shayani Mendis
2,*,
Hazi Md. Azamathulla
3 and
Upaka Rathnayake
1
1
Department of Civil Engineering, Faculty of Engineering, Sri Lanka Institute of Information Technology, Malabe 10115, Sri Lanka
2
Department of Civil Engineering, Faculty of Engineering, General Sir John Kotelawala Defense University, Rathmalana 10390, Sri Lanka
3
Department of Civil and Environmental Engineering, The Faculty of Engineering, The University of West Indies, St. Augustine 32080, Trinidad and Tobago
*
Author to whom correspondence should be addressed.
Buildings 2022, 12(7), 1001; https://doi.org/10.3390/buildings12071001
Submission received: 24 June 2022 / Revised: 8 July 2022 / Accepted: 10 July 2022 / Published: 13 July 2022
(This article belongs to the Section Building Materials, and Repair & Renovation)
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Abstract

Interlocking Paving Blocks (IPB) are, nowadays, a widely used construction material. As a result of the surge in demand for IPBs, alternative materials have been investigated to be used for IPBs. This study investigated the strength and durability characteristics (compressive strength, split tensile strength, density, water absorption, skid resistance, and abrasion resistance) of IPBs in the presence of (waste materials) crumb rubber (CR) and coconut coir fibers (CCF). Both compressive and split tensile strength increased in the presence of CCF to a certain extent. CR-based IPBs showcased an increase in skid resistance that satisfied both SLS 1425 and BS EN 1338 specifications. Abrasion depths of CR-based and CCF-based samples show a comparable increase in values when the respective fraction (CR or CCF) increases. Therefore, this research fills the knowledge gap, highlighting the importance of incorporating waste materials (CR and CCF) for the IPB industry rather than open dumping.
Keywords: coconut coir fiber; crumb rubber; durability characteristics; interlocking paving block; strength characteristics coconut coir fiber; crumb rubber; durability characteristics; interlocking paving block; strength characteristics

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MDPI and ACS Style

Gamage, S.; Palitha, S.; Meddage, D.P.P.; Mendis, S.; Azamathulla, H.M.; Rathnayake, U. Influence of Crumb Rubber and Coconut Coir on Strength and Durability Characteristics of Interlocking Paving Blocks. Buildings 2022, 12, 1001. https://doi.org/10.3390/buildings12071001

AMA Style

Gamage S, Palitha S, Meddage DPP, Mendis S, Azamathulla HM, Rathnayake U. Influence of Crumb Rubber and Coconut Coir on Strength and Durability Characteristics of Interlocking Paving Blocks. Buildings. 2022; 12(7):1001. https://doi.org/10.3390/buildings12071001

Chicago/Turabian Style

Gamage, Sajani, Sandini Palitha, D. P. P. Meddage, Shayani Mendis, Hazi Md. Azamathulla, and Upaka Rathnayake. 2022. "Influence of Crumb Rubber and Coconut Coir on Strength and Durability Characteristics of Interlocking Paving Blocks" Buildings 12, no. 7: 1001. https://doi.org/10.3390/buildings12071001

APA Style

Gamage, S., Palitha, S., Meddage, D. P. P., Mendis, S., Azamathulla, H. M., & Rathnayake, U. (2022). Influence of Crumb Rubber and Coconut Coir on Strength and Durability Characteristics of Interlocking Paving Blocks. Buildings, 12(7), 1001. https://doi.org/10.3390/buildings12071001

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