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Recycling
The adjustment of the regulation on the avoidance and disposal of waste (VVEA; SR 814.600, 2015) ...
Measured acoustic effects
Acoustic Effects CH BAFU CPX Measurements of Road Surfaces Report On behalf of the Federal ...
Grip
Grip is a safety-relevant success parameter and is measured during acceptance and periodic contro...
Surface properties
The surface of an SDA pavement affects driving comfort, safety, and noise development. Therefore,...
Constructed pavement
After installation, the finished layer will be checked for its density, layer thickness, and comp...
Asphalt mixture
The mixture forms the technical interface between the tested individual materials and the install...
Building materials
The quality of the building materials lays the foundation for a quality SDA surface. Even before ...
SDA with a cooling effect
With the progressing climate change, heat stress and the number of tropical nights in cities and ...
Ecological balance
In a life cycle assessment (Life Cycle Assessment, LCA), the individual processes of a product sy...
Acoustic maintenance
With a well-designed mixture and appropriate maintenance measures, the lifespan of SDA surfaces c...
Life cycle costs
The so-called life cycle costs (LCC) ideally encompass the entire life cycle of a structure, with...
Regular maintenance
Winter service When clearing snow, care must be taken not to damage the surface layers. For exam...
Placement
Studies show that the failure to achieve the required noise reduction with SDA pavements is often...
Mixture production
The production of SDA mixtures in the asphalt mixing plant (see figure) differs from conventional...
Acoustic optimization through mix design
Empirical data from practical experiences with SDA can be used to optimize the parameters of semi...
International low-noise surfaces similar to SDA
International is only a part of the noise-reducing pavements that follow a similar concept to the...
Expected acoustic effects
For a surface to be considered low-noise in Switzerland, it must achieve a noise reduction of at ...
Functionality of SDA pavement
A good noise-reducing surface has a fine surface texture and easily accessible surface pores. A f...
Tire-road noise (rolling noise)
Tire-road noise is understood as the interaction between the tire and the road surface. This tire...
Traffic noise overview
Road noise consists of three noise components: Drive noise – Sounds from the engine, transmiss...