Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite

Rahmad Pasca Try Valent; Lintang Dian Artanti

doi:10.16984/saufenbilder.1767511

Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite

Abstract

Pervious concrete is widely used for sustainable pavement applications due to its ability to reduce surface runoff and enhance groundwater recharge; however, its application is often limited by low mechanical strength caused by the absence of fine aggregates. This study focuses on identifying an optimal balance between mechanical strength and hydraulic functionality of fine aggregate free pervious concrete through the incorporation of expanded vermiculite (EV) as a lightweight aggregate substitute. EV was introduced at 0%, 5%, 10%, and 15% as a partial replacement of the fine aggregate fraction typically present in conventional concrete. Specimens were designed using a modified volumetric approach based on ACI 522R-10. Compressive strength was evaluated at 7 and 28 days, while porosity and permeability were assessed at 28 days. The results show that increasing EV content significantly enhances compressive strength, reaching 17.08 MPa at 15% EV due to internal curing and pore densification. However, excessive EV incorporation leads to a sharp reduction in porosity and permeability, indicating a loss of hydraulic functionality. A balanced performance was achieved at 5% EV, where meaningful strength improvement was obtained while maintaining effective infiltration capacity. These findings highlight the importance of dosage control when designing fine aggregate free pervious concrete systems for infiltration dependent applications.

Keywords

Supporting Institution

This research was supported by Jakarta Global University, Faculty of Engineering and Computer Science, Department of Civil Engineering.

Ethical Statement

This study did not involve human participants or animals; therefore, ethics committee approval was not required. All experimental procedures were carried out in accordance with relevant laboratory standards and institutional guidelines.

Thanks

The authors would like to express their sincere gratitude to the Civil Engineering Laboratory in Burangkeng, West Java, for providing facilities and technical assistance during the experimental work.

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Details

Primary Language

English

Subjects

Civil Engineering (Other)

Journal Section

Research Article

Authors

Rahmad Pasca Try Valent ^*
0009-0001-2371-4247
Indonesia

Lintang Dian Artanti
0000-0003-1349-6132
Indonesia

Early Pub Date

April 22, 2026

Publication Date

April 30, 2026

Submission Date

August 17, 2025

Acceptance Date

February 14, 2026

Published in Issue

Year 2026 Volume: 30 Number: 2

DOI

https://doi.org/10.16984/saufenbilder.1767511

IZ

https://izlik.org/JA78KG43MD

Cite

RIS / Bibtex

APA

Try Valent, R. P., & Dian Artanti, L. (2026). Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite. Sakarya University Journal of Science, 30(2), 166-175. https://doi.org/10.16984/saufenbilder.1767511

AMA

1.Try Valent RP, Dian Artanti L. Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite. SAUJS. 2026;30(2):166-175. doi:10.16984/saufenbilder.1767511

Chicago

Try Valent, Rahmad Pasca, and Lintang Dian Artanti. 2026. “Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite”. Sakarya University Journal of Science 30 (2): 166-75. https://doi.org/10.16984/saufenbilder.1767511.

EndNote

Try Valent RP, Dian Artanti L (April 1, 2026) Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite. Sakarya University Journal of Science 30 2 166–175.

IEEE

[1]R. P. Try Valent and L. Dian Artanti, “Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite”, SAUJS, vol. 30, no. 2, pp. 166–175, Apr. 2026, doi: 10.16984/saufenbilder.1767511.

ISNAD

Try Valent, Rahmad Pasca - Dian Artanti, Lintang. “Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite”. Sakarya University Journal of Science 30/2 (April 1, 2026): 166-175. https://doi.org/10.16984/saufenbilder.1767511.

JAMA

1.Try Valent RP, Dian Artanti L. Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite. SAUJS. 2026;30:166–175.

MLA

Try Valent, Rahmad Pasca, and Lintang Dian Artanti. “Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite”. Sakarya University Journal of Science, vol. 30, no. 2, Apr. 2026, pp. 166-75, doi:10.16984/saufenbilder.1767511.

Vancouver

1.Rahmad Pasca Try Valent, Lintang Dian Artanti. Balancing Mechanical Strength and Hydraulic Functionality of Fine Aggregate Free Pervious Concrete Using Expanded Vermiculite. SAUJS. 2026 Apr. 1;30(2):166-75. doi:10.16984/saufenbilder.1767511