Abstract

Pervious concrete a sustainable solution with limited fines or no fines and interconnected voids, has many environmental benefits, such as reducing the stormwater run-off, improving the groundwater table, reducing water pollution, and mitigating urban heat island. Many research works have been done in Pervious Concrete (PC) by varying different parameters such as, types of aggregate, aggregate gradation, water-to-cement (w/c) ratio, cement-to-aggregate ratio, geopolymer binder, ultra-high strength Matrix and compaction techniques. All these parameters have direct influences on the strength, porosity, permeability, hydraulic efficiency and durability characteristics of PC. The main aim of this paper is to review the recent work carried out in pervious concrete under six different categories (i) Effect of binders, coarse aggregate, admixtures and fibers used in PC (ii) Mechanical and durability properties (iii) pore structure characteristics (iv) Study on Clogging Effect (v) Role of PC in the water purification process and (vi) Numerical model in PC.

Highlights

  • Due to increased population and modern urbanization, a higher ratio of impervious surfaces in the urban area results in less water absorption by the ground

  • The no-use or minimal use of fine supports inmicroorganisms' growth, which acts as a slow sand filter and involves the water purification process

  • It improve the quality of stormwater by reducing heavy metals like lead, zinc, chromium and copper that are typically found in stormwater run-off

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Summary

INTRODUCTION

Due to increased population and modern urbanization, a higher ratio of impervious surfaces in the urban area results in less water absorption by the ground. The no-use or minimal use of fine supports inmicroorganisms' growth, which acts as a slow sand filter and involves the water purification process. It improve the quality of stormwater by reducing heavy metals like lead, zinc, chromium and copper that are typically found in stormwater run-off. This paper aims to review the recent work done on pervious concrete under six categories: pervious concrete materials, pervious concrete mechanical and durability properties, pore characteristics, clogging effect on pervious concrete, pervious concrete in waterpurification and heavy metal ion removal and numerical modeling of pervious concrete

Significant conclusion from the study
PERVIOUS CONCRETE MATERIALS
Binders
Coarse Aggregate
Polymers and Admixtures
Fibers
Mix-Proportioning
PERVIOUS CONCRETE MECHANICAL PROPERTIES
Compressive and Flexural Strength
PERVIOUS CONCRETE PORE STRUCTURE CHARACTERISTICS
Porosity
CLOGGING IN PERVIOUS CONCRETE
PERVIOUS CONCRETE IN WATER PURIFICATION
FUTURE WORK IN PERVIOUS CONCRETE
Findings
CONCLUSION
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