The Dry Paving System (DPS) is a Sustainable Urban Drainage System that offers an excellent solution for efficient rainwater management. DPS integrates a permeable pavement and an underground structure formed by polymeric geocells with a high capacity of infiltration and retention of rainwater under its surface.

The ecoDraining concrete slabs, whose composition and porosity guarantee water permeability -both by mass and by joint- forms the upper layer of the system. Their side spacers guarantee the formation of uniform joints through which water can be evacuated

The Hidrocell polymeric geocell framework supports the ecoDraining pavement. They are set by a framework of crosses and slots specially designed to assure their adjustment. Between the ecoDraining pieces and the Hidrocell geocells, a thin layer of geotextile facilitates the infiltration of water and prevents the passage of particles, allowing a perfect anchorage between the geocells and the concrete paving.

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Permeability l / m2 / min.
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Accumulation l / m2
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Breaking load ton / m2

New problems in the sustainable development of cities

The traditional growth and development of cities involves the covering of their ground with impermeable materials such as asphalt and concrete, which significantly alters the natural water cycles.

The lack of natural infiltration of rainwater into the ground produces important disturbances in ecosystems, as well as the reduction of aquifers.
On the other hand, as experts warn, climate change means an increase in the propensity, intensity and frequency of extreme weather events, such as torrential rains, which cause flooding and damage to river ecosystems and more rapid soil erosion.
Of particular concern is the fact that current infrastructures for the management of polluted water are affected in these cases, with the result that some of this water is forced to be discharged into rivers without prior treatment.

Likewise, the lack of humidity on the surface of the urban soil limits the natural cooling produced by water evaporation, something that, currently, is only associated with parks and green areas.
In addition, the materials with which the city is normally paved accumulate heat during the day, becoming sources of emission during the night, a phenomenon known as “heat island”, increasing the temperature of the air and forcing greater energy consumption for cooling.

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Heat island

The lack of moisture on the surface of urban land limits the natural cooling produced by the evaporation of water, something that is only associated with parks and green areas.
In addition, the materials with which the city is normally paved accumulate heat during the day, becoming emitters at night, a phenomenon known as “heat island”, increasing the air temperature and forcing greater energy consumption in cooling.

SUDS (Sustainable Urban Drainage Systems)

Sustainable drainage is the ideal alternative for the adaptation of cities to climate change, not only to mitigate the effect of floods, but also to properly manage the quantity and quality of the urban runoff water.

Sustainable Urban Drainage Systems (SUDS) enable water infiltration near the origin and prevents the formation of surface runoff, constituting an advanced technical solution for the correct management of rainwater. In addition to flood mitigation and the prevention of water pollution, SUDS improve urban landscapes, optimizing their value and minimizing the economic costs of rainwater management.

DPS

Sustainable Urban Drainage System
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