532 resultados para tires
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arr. par Stumpf
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This work presents the main experimental results obtained from the study of plaster test pieces and boards with addition of various volumetric rubber fractions from mechanical grinding of end-of-life tires (ELTs), in three different particle size gradations. It includes a description of the materials employed, and their proportions. The physical and mechanical properties, as well as the thermal conductivity and acoustic insulation properties are analyzed. Experimental results obtained for specimens with addition of recycled rubber are compared with similar ones, carried out on specimens of plaster of identical features without any addition, evaluating the influence of the particle size and mixture proportions. An improvement in thermal and acoustic performance has been obtained as well as a reduction in density, and as a result, some constructive applications for paving and slabs in rehabilitation works are proposed.
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Transportation Department, Office of the Assistant Secretary for Systems Development and Technology, Washington, D.C.
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Mode of access: Internet.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
Report of pre and post road test ultrasonic inspection results on 134 passenger tires: final report.
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National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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National Bureau of Standards, Office of Vehicle Systems Research, Washington, D.C.
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Transportation Department, Office of Noise Abatement, Washington, D.C.
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Transportation Systems Center, Cambridge, Mass.
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National Highway Traffic Safety Administration, Office of Heavy Duty Vehicle Research, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.