At present the choice of materials and techniques in road construction is dictated by structural requirements and economical aspects. Ecological factors have gained in importance due to environmental considerations in politics and society. To evaluate the environmental impact of motorways, a life cycle assessment (LCA) according to ISO 14040 was...
The Construction of the Rosario – Cordoba Highway An Emblematic Project of the Road Activity in Argentina
Due to the magnitude of the project, its characteristics, and the economic and cultural development of the region where it settles, the construction of the Rosario Cordoba Highway represents an emblematic project of the road activity in Argentina. A singularity of this motorway is that it has been built...
Investigation and Classification of Low-Noise Concrete Roads
The noise emission performance of concrete roads has been a subject of thorough investigations in Austria in recent years. This focus is due to the predominance of concrete road surfaces in the Austrian high-level road network and to the long and successful tradition of using exposed aggregate cement concrete (EACC)...
Characteristics of Todays Concrete Surfaces
More and more importance is attached to the quality of the road surface, especially by the road users who want to drive on safe and comfortable roads. Concrete pavements often suffer from bad image due to the fact they are very old and have been designed according to other criteria...
Warming of Urban Street Surfaces During Summer Heat Waves
The global warming of our planet has a special impact on urban areas, because large cities are characteristic for the development of so-called urban heat islands. This modification of the climate of a city in comparison to the climate of their hinterland is based on a multiplicity of factors like...
A Double-Layered CRCP Experiences on the E34 Near Antwerp (Belgium)
The technique of double-layered concrete or two-lift paving is applied either to obtain a high-quality top layer, to use lower quality materials in the lower lift, or for both reasons at the same time. In Europe this technique is commonly applied in Austria where a typical motorway is built with...
Concrete Pavements as a Source of Heating and Cooling
There is great potential to use the large open space of pavement structures, equipped with an embedded pipe network, in conjunction with a heat pump, to provide heating and cooling for adjacent buildings, e.g. airport terminals, shopping centres etc, here termed a Pavement Source Heat Pump (PSHP). Due to the...
Concrete Roadways and Air Quality – Assessment of Trials in Vanves in the Heart of the Paris Region
Despite the considerable progress achieved by automakers and public policy efforts to promote '"soft" and "public" travel modes, the air quality of our streets can become critical at singular periods of the year, particularly for the more fragile populations. It is possible today to reduce the most harmful nitrogen oxides,...
Measurements of Fuel Consumption on An Asphalt Pavement and a Concrete Pavement in Sweden
In order to increase knowledge of how fuel consumption corresponds to pavement type, the Swedish National Road and Transport Research Institute (VTI) was commissioned to investigate the difference between asphalt and concrete pavement surfaces. Measurements were made north of Uppsala, Sweden; where a motorway section included both types of pavement....
Effect of Pavement Type on Rolling Resistance and Fuel Consumption of Heavy-Duty Vehicles
The purpose of this study is to research the influence of fuel consumption of heavy-duty vehicle for concrete pavement and asphalt pavement respectively. It was decided to adopt a new approach for vehicle fuel consumption -- measurement of the running resistance of vehicles to investigate their rolling resistances due to...
Sustainability and Concrete Pavements for Real Engineers
Practicing engineers are under increasing pressure from pavement owners to become ?sustainable?. There are a myriad of publications, models and rating systems available that aim to assist them in this endeavor, in fact so many that they become overwhelmed. This paper provides practical guidance that includes definitions of the terminology,...
Pervious Concrete Pavement Performance in the Canadian Freeze-Thaw Climate
Pervious concrete pavement is a sustainable paving material that allows moisture to drain from the surface and naturally infiltrate into the subgrade. Pervious concrete pavement has been used consistently, with success, throughout the southern United States where freeze-thaw cycles are not common. Use of this valuable paving material in freeze-thaw...