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http://dx.doi.org/10.7855/IJHE.2011.13.3.075

Abrasion-Resistant Road Markings for Improved Durability Lane to Wear Simulators Test  

Lee, Chang-Geun (한국도로공사 도로교통연구원)
Park, Jin-Hwan (부경대학교 공업화학과)
Oh, Heung-Un (경기대학교 도시교통공학과)
Publication Information
International Journal of Highway Engineering / v.13, no.3, 2011 , pp. 75-82 More about this Journal
Abstract
There is the uncertain period of the construction in case of the products meeting the quality standard of KS M 6080, the quality is degraded because of the abrasive loss of the paint caused by vehicle tires as the traffic amount increases and of the loss and detachment of the glass beads providing the retroreflective function. The abrupt degradation of visibility causes the high frequency of traffic accidents at night and increases the traffic accident rate. Additional supplementary construction induces the direct material and construction costs. As the more cost induction effect than the direct cost, the traffic jam caused by the additional construction increases the indirect social costs such as time cost and vehicle cost. Hence, the study is concerned with performing the abrasion resistance test based on the EN 1436 standard to check and improve the quality of various road marking materials resulting in improving the durability of road marking materials. However, even though the difference in the durability lifetime of resins(binders) is bibliographically or theoretically clear, there was no difference in the durability lifetime (retroreflectivity aspect) of the road marking paint using these binders. The reason is that the bonding of beads was very insufficient or that the cross density caused by crack or freshness was low. Moreover, the measured wet retroreflectivity was distributed as the Rw3 or higher class in average on the basis of EN 1436 but was very insufficient on the basis of the minimum wet threshold retroreflectivity with 100mcd/($m^2{\cdot}lx$) managed overseas.
Keywords
road marking materials; abrasion resistance; visibility; retro-reflective function;
Citations & Related Records
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