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Journal of Applied Sciences
  Year: 2011 | Volume: 11 | Issue: 20 | Page No.: 3464-3473
DOI: 10.3923/jas.2011.3464.3473
Laboratory Assessment of Water Flow Simulator for Porous Parking Lots Reservoir and Soil Layers
Meor Othman Hamzah, Zul Fahmi Mohamed Jaafar and Fauziah Ahmad

Abstract:
Porous parking lots were implemented to fill the scarcity and strengthen the sustainable development of impervious surfaces in Malaysia to reduce surface runoff. The new methodology proposed enable simulation of reservoir course at stipulated air voids despite details study on water levels and infiltration of porous parking lots system. A uniformly graded choker and reservoir stones functioned as reservoir structure for temporary storm water detention. A specially fabricated water flow simulator allows laboratory simulation of the porous parking lot system. The ability to simulate 1.24 to 59.89 cm h-1 rainfall intensities enable laboratory testing to verify water level and discharge time correlations with different soil infiltration rate at various rainfall intensities. The laboratory tests of vertical infiltration were conducted under conditions of saturated soils. At 59.89 cm h-1 simulated rainfall intensity, the highest water level recorded inside the water flow simulator’s body without reservoir course is 55 cm from the surface of 0.254 cm h-1 soil infiltration rate. A total of 80.5 h duration was required to completely discharge the stored water between large aggregate particles due to low soil infiltration rate. Utilizing the same laterite soil as bottom layer, the depth increased by approximately 60% after installation of reservoir course with approximately 40% air voids. Over a 60 min duration, the soil with coefficient of permeability equaled to 25.4 cm h-1 had recorded water level 20 cm in height and completely dried within 32.2 min only.
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How to cite this article:

Meor Othman Hamzah, Zul Fahmi Mohamed Jaafar and Fauziah Ahmad, 2011. Laboratory Assessment of Water Flow Simulator for Porous Parking Lots Reservoir and Soil Layers. Journal of Applied Sciences, 11: 3464-3473.

DOI: 10.3923/jas.2011.3464.3473

URL: https://scialert.net/abstract/?doi=jas.2011.3464.3473

 
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