Precise measurements on experimental ruil scale pavements demonstrate that curling and warping phenomena arc affecting similarly the RCC and the conventional PCC pavements of equivalent designs: with «light differences in deflections and joint openings mainly attributed to different adherence at the slab-base interface. After IS months exposed to drying shrinkage....
Interaction Between Mix Design Construction and Properties For RCCP
When roller-compacted concrete pavements (ReePi :11' u-cd ill Sweden, they are always used as a wear cour-e. Evpenenee shows that RCCP which have been laid meet the functional requirements. Carefully executed quality control is important for the results. Consequently two new lest methods. the Kango (cube) and the RA methods....
Time-Dependent Behaviour of Roller Compacted Concrete Pavements
Roller compacted concrete pavements (RCCP) have been increasingly constructed in many places in Japan. However, the behaviour of RCCP in the areas of joints and cracked sections has not been completely cleared. In order to establish a rational thickness design of RCCP and to study long-term behaviour of RCCP and...
Developments in Australian RCC
Australia has now over three years of experience in the use of high strength RCC in pavements with over 40 projects completed. Whilst the majority of Australian projects have been relatively small in comparison to American and European experience, nevertheless they have enabled a continued development of design, construction and...
Structure Analysis of Roller Compacted Concrete Pavement
Roller Compacted Concrete Pavement in Japan has progressed rapidly today because of its simplified paving method and early opening to traffic. Structural properties of RCCP are required to be investigated to establish design method of this pavement. Load response after paving and strain due to base course friction were measured....
An Acquisition System For Monitoring Polyfunctional Composite Pavements PCP
The criteria are presented for the choice of the proper instruments to detect strains/ stresses and temperatures on a stretch of composite concrete motorway paving. The following are described: project, implementation and assembly of the entire acquisition system broken down in two parts. The first is designed for controlling low...
Widening of Concrete Roads with Porous Concrete Bases
This paper assesses the condition of a concrete motorway pavement in the Paris region to be widened from three to four lanes from the outside. The sigilificant drainage requirements of the existing pavement led to the provision of a new porous pavement. The design criteria applied for the typical crosssection...
Resurfacing Flexible Pavements with Thin Layers of Concrete with Steel Reinforcement
This paper describes the studies, reports and experimental sections related to this new type of pavement, not conventional, composed of a thin concrete layer, but with a steel reinforcement, in sufficient quantity to resist the traffic loads. The description goes back to the first studies and tests carried out inthe...
Rigid Pavement Rehabilitation Techniques in Canada
The rehabilitation of portland cement concrete (PCC) pavements on high volume freeways have always posed a challenge. In the summer of 1989, the Ministry of Transportation of the Province of Ontario (MTO), Canada, accepted the unique challenge to rehabilitate one such freeway using various PCC pavement repair techniques in one...
Traffic Management Layouts with Improved Capacity For Major Roadworks Narrow Lanes and Tidal Flow Operations
The layout commonly used at major motorway sites in the United Kingdom is the full contra-flow, which carries two traffic lanes in each direction on one carriageway, releasing the other carriageway for reconstruction. To improve operational efficiency, two adaptations of this layout, which operate with a reversible (or tidal) lane,...
Continously Reinforced Concrete Overlay on Highway E 40 Near Liege Belgium
During the last years, many CRCP overlays have been made in Belgium. One of them has been laid in 1988 on highway E 40 in the province of Liège (8,250 km). The paper gives the reasons of the choice of CRCP for the renewal of the highway and describes the...
Problems of the Reconstruction of Motorways in the Gdr
The 1860 kilometre GDR motorway network was mainly built in concrete slab construction before 1945. Its overall reconstruction is vital. In the course of reconstruction work a number of different paving variants were put into practice. The covering of unbound and nearly impermeable bases needed the drainage of the intermediate...