Porous Pavement


Authors : Dr Pooja Gupta; Sumer Yadav; Prakshit Rajodia; Shubham Nair

Volume/Issue : Volume 7 - 2022, Issue 5 - May

Google Scholar : https://bit.ly/3TmGbDi

Scribd : https://tinyurl.com/23y6w7t6

DOI : https://doi.org/10.5281/zenodo.8378630

Porous concrete is a special type of cementitious material consisting of a slit-graded aggregate coveredwith a thin layer of cement paste and held together by a layer of cement paste which is partially touching. Porousconcrete is concrete with an unbroken cavity that is deliberately inserted into the concrete. Permit stones are madeof asphalt, open pore foams or concrete, below which the rock deposits are present. It allows grip of rainwater and surface runoff, and store in storage and allow it to slowly penetrate into the soil below or be removed by stream tile. Fully permeable floors are installed in which all layers are permeable, and floor makers use water to collect water and minimize the adverse effects of storm water. The basic surface of both sections is open-air information that allows storm water to enter the sub-grade soil for storage. Due to the open-layer nature of the surface layer and the base layer, storm water enters the groundwater layers through layers of floor to recharge andeliminates the need for floodwater construction. When compared to conventional concrete, Porous concrete was found to have high absorptivity and was fabricated of cement, water, and coarse aggregates and is known to havethe advantages for bringing down the discharge and change the quality of water in ground for better. Other benefits of PC include improved road safety, better off road noise, and less "heat island" effects. Low durability, maintenance due to clogging, relative weakness is some of the downsides of the porous concrete which retards its probable use in the large scale projects. Its use has been limited to parking lots, driveways, sidewalks, and roads with low traffic. Even when space is available, collecting and treating large volumes of polluted runoff from impermeable urban highways is usu ally prohibitively costly. As a result, traditional storm water runoff management in cities will be rendered obsolete. Furthermore, if environmental restrictions become more rigorous in the future, many municipalities in metropolitan regions may be required or encouraged to transition from impermeable paved surfaces to permeable paved surfaces, resulting in a greener ur ban surface evolution.

Keywords : Stromwater runoff management, clogging, skid resistance, permeability, heat island effect.

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