Internal stability of road aggregate grading - Kassibo, Cheick Abdrahamane
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The drainage of road materials has a major impact on the durability of roads. This drainage capacity is intimately linked to the granulometry of the road materials, which must have a certain stability to avoid that the fines are carried away by water flow. During the experimental approach, we evaluated two complementary aspects of the filtration: that of the modifications to the granulometry (rearrangement of the particles) and that of the local variations of hydraulic conductivity whereas the only forces which act are limited to those of water flow and gravity. It has highlighted the unstable behavior of certain granulometric compositions.…mehr

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Produktbeschreibung
The drainage of road materials has a major impact on the durability of roads. This drainage capacity is intimately linked to the granulometry of the road materials, which must have a certain stability to avoid that the fines are carried away by water flow. During the experimental approach, we evaluated two complementary aspects of the filtration: that of the modifications to the granulometry (rearrangement of the particles) and that of the local variations of hydraulic conductivity whereas the only forces which act are limited to those of water flow and gravity. It has highlighted the unstable behavior of certain granulometric compositions.
Autorenporträt
Licenciado pela École Polytechnique de Montréal, o Sr. Kassibo é engenheiro civil e especialista em materiais de pavimentação. Trabalha há mais de dez (10) anos no Canadá em diferentes empresas como engenheiro e como gestor de projectos para projectos internacionais. É actualmente o gestor da GECI EXPERT CONSEIL.