Application of porous concrete to resolveflood on the roads

Abstract

In the rainy season, many cases of roads being submerged in water because of a lack of drainage capacity and low water absorption by the subgrade. This study utilizes porous pavement as an interlocking pavement to increase water absorption to the drainage layer and subgrade. Porous concrete is made from cement mixture : coarse aggregate = 1:6 with w/c ratio 0,4. The results showed the value of specific gravity, water absorption, compressive strength, and Na2SO4 resistance respectively 1.703 gr/cm3, 2.57%, 10.8 MPa, and 0.79%. To see the level of serviceability, no fine interlocking pavement is arranged above the drainage layer and the levelling layer, and then a trajectory and inundation test is performed. The result of inundation and track tests shows that the construction can pass water to subgrade without inundation and can withstand the wheel loader that is equivalent to 13000 kg so that it can be used for sidewalks, park lanes, and pavement with a maximum axle load of 8 tons.

An Innovative Method in Measuring Permeability and Evaporation Parameters in Porous Pavements With Emphasis on Its Effects on Increasing Urban Transport Safety

“…Porous concrete is a special type of high porosity concrete that has been used in the temperate regions of the United States since the 1970s and has gained worldwide usage since the 1980s. High permeability and its potential to reduce runoff led the Environmental Protection Agency to define porous concrete as one of the best methods for flood management [17,18].…”