What are the benefits of using permeable concrete pavement?
Release Time:
2015-09-10
Source:
What are the benefits of using permeable concrete pavement?
Pervious concrete It is a honeycomb-like structure in which coarse aggregate particles are coated with a thin layer of cement paste and bonded together, resulting in uniformly distributed voids; hence it exhibits excellent air permeability, water permeability, and light weight. When used to construct concrete pavements, slope protection structures, and related products, it delivers drainage, skid resistance, sound absorption, noise reduction, and water infiltration, thereby enhancing surface ecological cycling, improving road safety, protecting the living environment, and mitigating the adverse impacts associated with large-scale modern urban development.
Pervious concrete has been researched and applied in the United States since the 1970s and 1980s, and many countries are now promoting its large-scale adoption. For example, Germany plans to convert 90% of its road surfaces to pervious concrete in the near term, thereby replacing traditional pavement materials that have historically disrupted urban ecosystems and enabling pervious concrete pavements to deliver broad social benefits. Its development and use allow rainwater to infiltrate into the ground, effectively replenishing groundwater resources and mitigating the rapid decline of urban groundwater levels—among other urban environmental challenges. Moreover, it can effectively reduce the environmental hazards posed by oil-based compounds and other pollutants on the surface; at the same time, it serves as an excellent paving material for protecting groundwater, maintaining ecological balance, and alleviating the urban heat island effect. In terms of fostering the sustainable development of the human living environment and advancing urban stormwater management and water pollution prevention, pervious concrete holds particular significance, primarily manifested in the following ways:
a. Absorb noise generated by vehicle traffic to create a quiet and comfortable living and transportation environment;
b. On rainy days, it prevents water accumulation on the road surface and reduces glare at night, thereby enhancing the comfort and safety of vehicular and pedestrian traffic;
c. Increase the area of urban surfaces that are permeable to water and air, enhance heat and moisture exchange between the land surface and the atmosphere, regulate the urban climate, lower surface temperatures, and thereby help mitigate the urban “heat island effect”;
d. It can increase the infiltration of rainwater into the ground, thereby alleviating certain urban ecological and environmental problems, such as the rapid decline in groundwater levels.
e. Porous concrete pavement boasts excellent monolithic integrity and a long service life, comparable to that of conventional concrete; at the same time, it addresses the shortcomings of permeable pavers, such as poor structural integrity, unevenness, easy loosening, and a short service life.
f. Permeable concrete flooring offers a range of classic color schemes, enabling it to align with designers’ creative visions and clients’ specific requirements to realize decorative concepts that cater to diverse environments, styles, and individual preferences—something no other flooring material can match.
