New functional pavements for pedestrians and cyclistsShow others and affiliations
2017 (English)In: Accident Analysis and Prevention, ISSN 0001-4575, E-ISSN 1879-2057, Vol. 105, p. 52-63Article in journal (Refereed) Published
Resource type
Text
Abstract [en]
When many fields of pedestrian and cyclist safety have been extensively studied, the surfacing has long been left unquestioned, despite being developed for another mode of transport and being one of the main causes for falls and fall injuries. In this project new surfacing materials for pedestrian and cyclist safety have been produced. Focusing on augmenting previously largely disregarded parameters as impact absorption, comfort and visibility at the same time as avoiding deteriorating of crucial parameters as friction and wear resistance. Rubber content, binder type, and pigment addition have been varied and evaluated. The results demonstrate that by increasing rubber content of the mixtures the head injury criterion (HIC) value and injury risk can be decreased while maintaining frictional properties according to existing criteria. Assembly of test-lanes demonstrate that some developed materials experience lower flow and component separation than standard materials due to rubber addition, calling for further optimisation of construction procedure linked to content development. Initial trials on the test-lanes indicate that a polyurethane (PU) based material has high cycling comfort, visibility and can be modified with phosphorescence properties. For standard asphalt, impact absorption might be inflicted by modification of bitumen alone but is mostly augmented by rubber addition. The results also indicate that rubber content can decrease ice formation on the materials.
Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 105, p. 52-63
Keywords [en]
bike lane, cyclist, impact absorption, paving, pedestrian, PPE, rubber, safety
National Category
Composite Science and Engineering Other Materials Engineering Infrastructure Engineering
Identifiers
URN: urn:nbn:se:ri:diva-130DOI: 10.1016/j.aap.2016.04.032Scopus ID: 2-s2.0-84969160269OAI: oai:DiVA.org:ri-130DiVA, id: diva2:932190
2016-05-312016-05-312025-09-23Bibliographically approved