Design

The ability to spatially map the stiffness of the foundation layers under concrete pavements with intelligent compaction has created a need to define limits on the allowable stiffness variations in a given construction area as well as the maximum size of a non-complaint area which does not require remedial action....

In 2009 the Dutch Parliament amended special laws to speed up road widening projects. This situation opened possibilities for sustainable concrete pavements needing less maintenance, especially for the right-hand lane that takes the heavy traffic. This paper presents the results of a study carried out in 2009, by a working...

Almost all jointed concrete pavements in the Netherlands, varying from low volume country roads to dual carriage motorways, are designed with the ‘Vencon 1.0’ program. The program needed to be upgraded to the Windows operating system. The upgrade also gave an opportunity to reconsider the design models of the old...

The pavement is the main and the most important component of a road. Pavements play a major role in the construction cost, maintenance and rehabilitation, traffic quality, vehicle and user costs. They are mainly divided into two types: asphalt concrete and cement concrete. For decision making in choosing the pavement...

Since the late 80ies in the Netherlands more and more cross-sections are constructed as roundabouts in stead of a cross section with traffic-lights. The pavements and prefabricated elements suffer from heavy traffic-loads and lots of maintenance was required. Therefore the last years it is investigated how sustainable roundabouts could reduce...

The rehabilitation of the Ring Road of the city of Antwerp is the largest and most discussed road construction project undertaken in Belgium within the last decades. The Antwerp Ring Road is one of the most trafficked urban freeways of European importance. Six radial freeways are tying into it and...

The properties of concrete mixes produced by replacing the coarse aggregates by milled bituminous materials of the same grading are studied in the laboratory. The milled bituminous material used comes from reclaimed asphalt concrete produced in road maintenance works. The properties investigated are compressive and flexural strength, modulus of elasticity,...

Superbus is an innovative new concept in personal public transport, developed by the Delft University of Technology. The Superbus consists of a highly advanced vehicle that can reach speeds up to 250 km/h a special Supertrack Infrastructure and advanced IT applications for services on request, road handling and comfort and...

The performance of road surface is the first and main indicator of information of the condition of the road. For some singular damages in-depth analysis is not necessary; for these an instruction for an appropriate maintenance measure is possible. However, by area-wide recurrent or systematic damages causes are important in...

In 1999, a 60 000 m2 large concrete pavement was completed in a Swedish harbour. The largest part of the area consisted of 200-210 mm thick plain jointed concrete pavement (PJCP) overlaying an old asphalt pavement. The design was based on certain prerequisite concerning traffic loads, i.e., axle loads and...

The advantages of prefabrication and precasting are well known in the building industry: a short building-time, efficient use of materials, optimum quality control, financially appealing and sophisticated logistics. In residential, commercial and industrial building in the Netherlands, the use of prefabrication is common practice. It would be logical to assume...

On 13 December 1967, the “E5” Partnership was established in Belgium with the objective of constructing the Brussels-Liège motorway. This was the missing piece in Belgium of the E5 European route, which extends from London over Calais-Jabbeke, Brussels, Liège, Cologne, Frankfurt and Vienna to Ankara. Later, the name E5 was...