Defining clogging potential for permeable concrete

Kia, Alalea; Wong, H.S.; Cheeseman, Christopher

doi:10.1016/j.jenvman.2018.05.016

Cited by 47 publications

(25 citation statements)

References 21 publications

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“…A falling head permeability setup was used to measure permeability, this is shown schematically in Figure 2 and described in Kia et al (2018). Each sample first had to be pre-conditioned, this was achieved by directing a flow of water through the setup until there was no remaining visible trapped air to ensure complete saturation.…”

Section: Permeabilitymentioning

confidence: 99%

“…In order to determine clogging, samples were exposed to aqueous solutions containing bentonite clay and/or fine-grained river sand (< 1.25 mm), this exposure was carried out over many cycles (Kia et al 2018). The d 50 value of the river sand was ∼ 108 μm.…”

Section: Clogging After Cyclic Exposurementioning

confidence: 99%

“…Nevertheless, Equation (8) will serve as a basic guide for designers to estimate the permeability of CRP from known porosity (φ). It should be noted that the permeability of conventional permeable concrete (PC-Lab and PC-Com) can be estimated from pore structure using a Kozeny-Carman type equation as discussed in an earlier publication (Kia et al 2018).…”

Section: Estimating Permeability From Pore Structurementioning

confidence: 99%

“…This suggests that in cases where clay is well-dispersed in water, it will simply pass through the sample, doing very little to bring about clogging unless it becomes flocculated and accumulates either inside the sample or on its top surface. Therefore, the actual deposition pattern is largely dependent on the exposure and particle size relative to the pore size (Kia et al 2018).…”

Section: Visual Assessment Of Cloggingmentioning

confidence: 99%

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High-strength clogging resistant permeable pavement

Kia

Wong

Cheeseman

2019

International Journal of Pavement Engineering

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Permeable pavement is utilised in order to alleviate flooding in towns, cities and other urban areas, but it is prone to clogging, has relatively low strength and requires regular maintenance. We have developed a novel permeable pavement with low tortuosity pore structure that can be cast on-site that is not only resistant to clogging, but also has high permeability and strength. This high strength clogging resistant permeable pavement (CRP) was prepared by introducing straight pore channels of varying size and number into self-compacting mortar. Samples with porosity ranging from 2 to 32% were tested. In all cases, permeability and compressive strength were substantially higher than conventional permeable concrete. More significantly, CRP can be engineered with low porosity (5%), high strength (> 50 MPa) and high permeability (> 2 cm/s), but does not clog despite extensive cyclic exposure to flow containing sand and clay. A simple method to model the permeability of CRP from the pore structure is described. We report for the first time a high strength clogging resistant permeable pavement capable of retaining sufficient porosity and permeability for storm-water infiltration without requiring frequent maintenance. This innovative system will help alleviate urban flooding and contribute towards a more sustainable urbanisation.

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Section: Permeabilitymentioning

confidence: 99%

Section: Clogging After Cyclic Exposurementioning

confidence: 99%

Section: Estimating Permeability From Pore Structurementioning

confidence: 99%

Section: Visual Assessment Of Cloggingmentioning

confidence: 99%

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High-strength clogging resistant permeable pavement

Kia

Wong

Cheeseman

2019

International Journal of Pavement Engineering

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“…Their work mainly focused to pavement areas and from their work it is noticed that, the proposed permeable concrete is well suited for parking lots. Alalea Kia et.al [1] provided the review on mitigating strategies towards clogging mechanism and also they have specified the unresolved issues. Dang Hanh Nguyen et.al [2] provided the information to arrest the clogging in the concrete and they used the technique of pressure washing and vacuum sweeping to make more effective towards permeable of water thorough the porous concrete.…”

Section: Iipast Research Workmentioning

confidence: 99%

Performance of Recycled Aggregate in Pervious Concrete

Ramana*¹,

Dana²,

Pallavi³

2019

IJITEE

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Pervious concrete can be noticed as a gap-graded concrete. This type of concrete treats a new way to control or manage of storm water. The pervious concrete is important to address bionomical issues and confirmable growth. In beside, demand for aggregate to producing concrete is still high while natural resources are reducing. In this connection at attempts has been made for utilization of recycled aggregate in the concrete mix, by replace the natural coarse aggregate in the ratio of 0, 25, 50, 75 and 100%. To obtain the behavior of pervious concrete compressive, split and bearing strength are evaluated. In the addition to those strengths, coefficient of permeability also found. In this experimental work total five mixes are taken to evaluate strengths. A regression model has developed to assess the split tensile strength and ANSYS software has been used to know the stress and strain variation for the cube specimens. From experimental work, it is noticed that, the pervious concrete with recycled aggregate is viable for pavement works.

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Urban stormwater characterization, control, and treatment

Rodak

Moore

David³

et al. 2019

Water Environment Research

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This review summarizes over 250 studies published in 2018 related to the characterization, control, and management of urban stormwater runoff. The review covers three broad themes: (a) quantity and quality characterization of stormwater, (b) control and treatment of stormwater runoff, and (c) implementation and assessment of watershed‐scale green stormwater infrastructure (GSI). Each section provides an overview of the 2018 literature, common themes, and future work. Several themes emerged from the 2018 literature including exploration of contaminants of emerging concern within stormwater systems, characterization and incorporation of vegetation‐driven dynamics in stormwater control measures, and the need for interdisciplinary perspectives on the implementation and assessment of GSI.Practitioner points Over 250 studies were published in 2018 related to the characterization, control, and treatment of stormwater. Studies cover general stormwater characteristics, control and treatment systems, and watershed‐scale assessments. Trends in 2018 include treatment trains, vegetation dynamics, and interdisciplinary perspectives.

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Defining clogging potential for permeable concrete

Cited by 47 publications

References 21 publications

High-strength clogging resistant permeable pavement

High-strength clogging resistant permeable pavement

Performance of Recycled Aggregate in Pervious Concrete

Urban stormwater characterization, control, and treatment

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