Increase of Safety of Concrete Pavements Bright Concrete Pavements with Dark Aggregates #2

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The method of constructing bright concrete Pavements with dark aggregates presents a variety of advantages; an essential benefit is the brightness of concrete pavements compared to bituminous pavements, because brighter street surfaces affect positively the safety of the road users. Above all, bright concrete surfaces provide an increase in safety...

Spanish Experience in the Design of Long-Life Pavements

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As an example of Spanish experience in the design of long-life pavements, this paper is going to examine the above-mentioned construction project for a stretch of motorway with a pavement of exposed aggregateexposed aggregate concrete. The cross-section of the pavement comprises: - 23 cm of HF 4.5 (concrete with a...

Study of Alternative Materials

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Work such as: buildings, roads, bridges, tunnels and slope coverings – amongst others, require great amounts of natural materials for their construction. The excessive use of these materials has caused diminishment of the sources that produce them. Additionally, reconstruction, keeping and improvement of works produce great amount of waste materials....

Cettons II Business Park Birth of a Multi-Innovative Eco-Friendly Park Around An Integrated Milled-Aggregate Concrete Roadway

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The Ecoparc des Cettons is a sustainable business park. Designed to favour regional economic development and to boost employment in a loop of the Seine River 25 kilometres from Paris, authorities deliberately opted for an innovative approach complying with the environment including mainly: - the use of alternative techniques for...

Influence of Temperature on Falling Weight Deflectometer Test Results on Concrete Pavements

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During intensive investigation programme carried out on 90 km of newly constructed motorway with sections of jointed plain concrete pavements (JPCP) with dowels and continuously reinforced concrete pavement (CRCP) a number of different non-destructive tests were carried out before and within first year of their operation. Among others the deflection...

Pavement for a Polyvalent Area for Its Use as a Fairground in Écija

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Setting pavement requirements for a not well-defined and not expressly foreseen use, implies the need of anticipating the different options of utilization that they will have to resist along their useful life. In this paper, it deals with paving an area of more than 11,000 m2 with a polyvalent use:...

Development and Quality Control of Concrete Mixture Design for a Tunnel Pavement Application

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In this study, properties of concrete used in a pavement construction in a tunneling project in Istanbul, are investigated. The properties of materials and mixture designs of the concrete are investigated by trial mixtures in the laboratory and ready mixed concrete plant. Fresh concrete properties such as workability, mechanical and...

The Advance of Concrete Pavement in Brazil

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The Brazilian Army looked the Associação Brasileira de Cimento Portland (ABCP) for a strategic partnership, aiming to transfer technology and train the troops for such works. The result of this partnership was a full concrete pavement construction and control technology course, lasting two weeks, covering all stages, also including practical...

New Design of Exposed Aggregate Surface for Northern Entrance of Apeldoorn Constructional and Acoustical Aspects

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Traffic noise, which is in fact the sum of tyre/road and engine noise, is one of the major disturbances for inhabitants. This has resulted in strict legislation with respect to maximum allowable noise levels at the facades of houses. Reducing traffic noise at the source by minimizing tyre/road noise can...

Innovative Photocatalytic Cementitious Road Materials

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Photocatalytic cementitious road materials represent a new frontier in air quality improvement research, thanks to photocatalysts ability to accelerate natural reaction of oxidation, favouring the pollutants decay. This paper presents some findings that contribute to a better understanding of the effectiveness of photocatalytic road materials, evaluating the synergetic effect of...

Mexico City Interior Loop

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Mexico City, one of the largest in the world, supports the traffic of more than 8 million cars. One of the main roads is the Interior Loop, with 42 km length in a 35 meter section. 110,000 cars transit daily on this loop. The maintenance of this road is under...

Contribution of Concrete Pavements to the Safety of Tunnels in Case of Fire

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A number of tunnel fires in Europe have demonstrated the need for appropriate choice of materials for tunnel construction to ensure high safety and reliable availability to traffic. In case of fire, an incombustible and non-toxic road pavement, as it is a concrete one, contributes to the safety of people...