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A pervious concrete street in 2005. Pervious concrete (also called porous concrete, permeable concrete, no fines concrete and porous pavement) is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other sources to pass directly through, thereby reducing the runoff from a site and allowing groundwater recharge.
Permeable pavement surfaces may be composed of; pervious concrete, porous asphalt, paving stones, or interlocking pavers. [1] Unlike traditional impervious paving materials such as concrete and asphalt, permeable paving systems allow stormwater to percolate and infiltrate through the pavement and into the aggregate layers and/or soil below. In ...
Pervious concrete, used in permeable paving, contains a network of holes or voids, to allow air or water to move through the concrete This allows water to drain naturally through it, and can both remove the normal surface-water drainage infrastructure, and allow replenishment of groundwater when conventional concrete does not.
Long, P. A. M. Basheer and F. R. Montgomery, "The influence of Zemdrain as a permeable formwork liner on the quality of cover concrete, Report for DuPont Nemours (Germany)", Report No. SMRG- 09-1992, Structural Materials Research Group, Department of Civil Engineering, The Queen's University of Belfast, Belfast, 1992, May, 83 pp
Pervious concrete, also called "porous pavement", similar to Permeable paving; Grassed swales, also known as bioswales. [12] Commercially manufactured stormwater management devices that capture pollutants (e.g., media filters) and/or aid in on-site infiltration. Tree pits [13]
Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]
The Quest for the Next Breakthrough. Today, some university researchers and small pharmaceutical and supplement companies are developing treatments to curb hangover symptoms.
Among its various term usage, energy-efficient landscaping can refer to the reduction of energy usage in maintenance and operation of the landscape narrowly for the user/owner of the site, [1] [2] or broadly for the energy conservation of the global environment, such as mitigating urban heat island effect with reflective surface (increase ...
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