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Concrete pavement Falkenberg, Sweden: a 20 year review
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology. KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Betongbyggnad.ORCID iD: 0000-0001-7440-3572
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Betongbyggnad.ORCID iD: 0000-0002-1526-9331
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.ORCID iD: 0000-0002-4256-3034
2016 (English)Conference paper (Refereed)
Abstract [en]

The majority of the road network in Sweden consists of flexible pavements. Only a small fraction is rigid pavements and the most recent concrete structure was built ten years ago. This creates a problem as the national experience and knowledge in terms of design and maintenance of rigid pavements is not maintained. It is therefore important to gather and adequately document the performance of existing concrete structures.

One such structure is along the motorway E6 close to Falkenberg on the southwest coast of Sweden built in 1993-1996. The structure is a 28 km long Jointed Plain Concrete Pavement (JPCP) resting on a cement-treated base. The climate in the area consists of a typical coastal climate with high precipitation and short, relatively warm summers and relatively cold winters with a high number of zero degree changes. Studded tire wear, normally contributing to a large extent to the total rut on the Swedish road network, is only 5 mm after these 20 years. However, the structure is suffering from longitudinal cracking along the outer wheel track that is thought to have been caused by the combined effects of erosion within the cement-treated base, resulting in cavities under the concrete slabs and the fact that the dowel bars are placed too low and thus reducing the load transfer mechanism between the slabs and acting as crack inducers.

Place, publisher, year, edition, pages
2016.
Keyword [en]
Concrete, Rigid pavement, Surfacing, Cracking, Rut, Long term, Performance
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 32 Road: Pavement design; 50 Road: Materials, 52 Road: Concrete
Identifiers
URN: urn:nbn:se:vti:diva-10926OAI: oai:DiVA.org:vti-10926DiVA: diva2:1039180
Conference
11th International Conference on Concrete Pavements (ICCP), San Antonio, August 28-September 1, 2016.
Funder
Swedish Transport Administration, 202449
Available from: 2016-10-21 Created: 2016-09-16 Last updated: 2016-10-25Bibliographically approved

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Dolk Concrete pavement Falkenberg(1351 kB)11 downloads
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Dolk, EllenSilfwerbrand, JohanErlingsson, Sigurdur
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