Pervious Concrete Properties and Its Applications

Yun, Chin Mei; Rahman, Md. Rezaur; Kuok, Kuok King; Sze, Amelia Chai Pei; Seng, Adrian Lee Kah; Bakri, Muhammad Khusairy Bin

doi:10.1007/978-3-030-98812-8_1

Cited by 1 publication

(4 citation statements)

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“…Extensive scientific efforts in the preparation and testing of permeable concrete have generated an acceptable range of values for the water-to-cement ratio and the coarseaggregate-to-cement ratio, as indicated in Section 2.1. Yet, a standardized method that can be followed to produce universal permeable concrete products for specified applications is still missing [23,32,[44][45][46]97]. In this respect, a standard practice to proportionate the used materials, identify the mixing procedure, and determine the optimum curing conditions is missing not only for innovative cement-based materials but also for conventional permeable concrete [97].…”

Section: Permeable Concrete MIX Design: Future Prospectsmentioning

confidence: 99%

“…Permeable concrete, also known as pervious concrete, is a subclass of cement-based materials that is tailored to have a characteristic interconnected and tortuous macroporous structure by eliminating the use of fine aggregates [22][23][24][25]. This subclass of cement-based materials is receiving increased interest in research to enhance its application in the prevention and control of water pollution due to its following characteristics [5,8,[16][17][18][19][20]22,[25][26][27][28][29][30][31]:…”

Section: Introductionmentioning

confidence: 99%

“…A water-to-cement (w/c) ratio optimized in the range 0.25-0.45.Increasing the water ratio is an advantage for the formation of porous materials, but it will reduce the thickness of the final cement coat on the aggregates, as the paste will have a high flowability [23,32,44,45];…”

mentioning

confidence: 99%

“…A coarse-aggregate-to-cement ratio in the range of 4:1 to 6:1, in which the volume of aggregate in the hardened materials occupy 50-65% [23]. The grading of the aggregates should be optimized to control the void ratio of the hardened product, whereby singlesized coarse aggregate or narrow-grading coarse aggregate (e.g., between 9.5 and 19 mm) can be used [44,46];…”

mentioning

confidence: 99%

See 3 more Smart Citations

Permeable Concrete Barriers to Control Water Pollution: A Review

Abdel Rahman,

El-Kamash,

Hung

2023

Water

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Permeable concrete is a class of materials that has long been tested and implemented to control water pollution. Its application in low-impact development practices has proved its efficiency in mitigating some of the impacts of urbanization on the environment, including urban heat islands, attenuation of flashfloods, and reduction of transportation-related noise. Additionally, several research efforts have been directed at the dissemination of these materials for controlling pollution via their use as permeable reactive barriers, as well as their use in the treatment of waste water and water purification. This work is focused on the potential use of these materials as permeable reactive barriers to remediate ground water and treat acid mine drainage. In this respect, advances in material selection and their proportions in the mix design of conventional and innovative permeable concrete are presented. An overview of the available characterization techniques to evaluate the rheology of the paste, hydraulic, mechanical, durability, and pollutant removal performances of the hardened material are presented and their features are summarized. An overview of permeable reactive barrier technology is provided, recent research on the application of permeable concrete technology is analyzed, and gaps and recommendations for future research directions in this field are identified. The optimization of the mix design of permeable reactive concrete barriers is recommended to be directed in a way that balances the performance measures and the durability of the barrier over its service life. As these materials are proposed to control water pollution, there is a need to ensure that this practice has minimal environmental impacts on the affected environment. This can be achieved by considering the analysis of the alkaline plume attenuation in the downstream environment.

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