Concrete paving blocks are an ideal material for the sufacing of trafficked areas, storage yards and residential roads in urban built-up areas. A number of examples of block pavings installed at Hasselt illustrate how it i~ thereby possible to create a pleasing "street image" which complies wi th the rules...
An assesment of interlocking concrete block pavements
A number of interlocking concrete block pavements (lCBP's) in applications ranging from residential streets to a quarry access road have been monitored. This wc.rkhas included the changing nature of the block layer; particularly its stiffness. The latter quali ty has been assessed by means of the force required to remove...
Use of and construction method for concrete block paving in the Federal Republic of Germany
For hundreds, indeed thousands of years, the only form of road surfacing was with stone blocks. The invention of tbe internal combustion engine and the tremendous growth of motorization, in conjunction with the use of asphalt, thrust the block-paved road into the background and bad a major effect on the...
Road concrete with superplasticizers
Road concrete made with superplasticizers has successfully been used for about ten years now. Its special features with regard to mix composition and method of placing were reported in detail at the London symposium in 1982. This method of construction is increasingly being applied in Austria: - For the maintenance...
Design and construction of continuously reinforced concrete composite pavement for the A63 South Docks Road Hull
The paper describes the approach adopted for the design and construction of a continuously reinforced concrete road base (CRCB) pavement for a major trunk road proect in the north-east region of the United Kingdom. The trunk road, known as the South Docks Road, is currently under construction and programmed for...
Large-size precast concrete slabs for urban road pavements with tramway tracks
In 1967 precast concrete slabs were experimentally used in lieu of granite paving sets as surfacings fur carriageways used by trams in Vienna's public transport system. After some tests, increasingly large areas were paved by this method from 1970 onwards. The evident advanta~es of precast slabs were the deciding factor:...
Theoretical study of technical and economic improvements resulting from the use of equipment train in concrete pavement construction
The report deals with technical and economic improvements resultiRg from the use of a concrete paving train in the construction of concrete roads. The following parameters are investigated: number of trucks needed for the transport of concrete depending on the capacity of the mixing ~lantt the progress rate of the...
Retarders and their influence upon the properties of a cement stabilised soil
The engineering properties of a soil-cement mix are adversely influenced by any delay between mixing and compaction. This problem is more serious in hotter climates where the initial setting period is relatively short. As a consequence of this situation, the final product often fails to meet specification requirements. A laboratory...
New concrete curing compounds and their application to road construction in Austria
The curing compounds hitherto employed have not always been found satisfactory when applied to road concrete with superplasticizer, to concrete on small jobs, to concrete placed by slipforming and to cement-boundsurfacings. For this reason three new types of curing compound have been introduced, namely, compounds which - give good protection...
Strengthening with concrete on the Nationale 6 in the Yonne County
For the "Nationale 6" thickening between Auxerre and Cravant, the concrete pavement solution, in competition with traditional techniques, is particularly interesting on the economic point of view and held the Head District Equipment attention in agreement with the French Road Management. The strenghening technique consisted in implementing by 4 m...
Construction procedures of relevance to the type of work to be carried out
The construction of concrete pavements is associated with various requirements to be fulfilled, e.g.: full-width construction stripwise construction, but extending over the full width ) e.g., construction of new cancrete roads addition of traffic lanes to existing carriageways ) e.g., on roads in use by traffic renewal of traffic lanes...
Concrete pavement constructed in extreme atmospheric conditions
In a Spanish road in the main network that joins Zaragoza with Huesca, a 9 km long by~pass is being built, in order to supress two railway grade crossings and improve the location. The structural section consists in 15 em of lean concrete and 25 cm of pavement concrete. By...