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Prototype bike lanes - placement practices and properties
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor.
RISE, SP – Sveriges Tekniska Forskningsinstitut, CBI Betonginstitutet AB.
2015 (English)In: 57º Congresso Brasileiro do Concreto, Bonito/MS [CBC 2015], IBRACON , 2015Conference paper, Published paper (Other academic)
Abstract [en]

AstaZero, a unique environment to build any scenario in order to develop, test or certifynew traffic safety solutions was opened 2014 in Sweden. In this environment a testingarena for vulnerable road users has been developed. Among with the solutions testedbelongs impact absorbing surfaces for cyclists, one which has been made of rubbermodified concrete. The study involved testing of different compositions and examining newproperties in the fresh state, which affected the production process to different extents. Forexample, due to difference in density between aggregate and rubber the segregation maybe a problem. Regarding the materials properties, the head injury criterion (HIC) was usedfor evaluation of the pavements shock absorbing capability. In the laboratory tests themodified concrete demonstrated a decrease in HIC-value by 85% compared to standardbitumen material. In the AstaZero test-lane, measured at -1°C, the decrease in HIC-valuecompared to reference was 79%. The frictional properties were approved according toexisting criteria. Future tests will determine the new materials’ durability, maintenance andcycling comfort.

Place, publisher, year, edition, pages
IBRACON , 2015.
National Category
Other Materials Engineering Infrastructure Engineering Other Civil Engineering
Identifiers
URN: urn:nbn:se:ri:diva-39885OAI: oai:DiVA.org:ri-39885DiVA, id: diva2:1348249
Conference
3rd International Conference on Best Practices for Concrete Pavements “Challenges for the future of sustainable concrete pavement construction”, Bonito, Brazil, October 28 – 30, 2015
Note

ISSN 2175-8182

Available from: 2019-09-03 Created: 2019-09-03 Last updated: 2019-09-03Bibliographically approved

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