Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Design Prediction of Pavement Skid Resistance from Laboratory Tests
The objective of this research has been to develop and refine methods for pre-evaluating aggregates and paving mixtures so that predictions can be made covering skid resistance properties of proposed and in service pavement types. The equipment used during the testing included a K. J. Law Locked Wheel Pavement Friction Tester, a British Portable Tester, a North Carolina type small wheel circular track wear and polish machine built by KsDOT personnel, a device for plotting a linear traverse profile of a pavement sample, and stereophotography equipment. A usable correlation was established between the field testing using the data from the British Portable Tester and the Locked Wheel Pavement Friction Trailer at speeds of 40 and 55 mph. To extend this correlation, core samples were extracted from the Locked Wheel Tester Skid Path and were subjected to wear on the small wheel circular track with periodic surface friction testing using the British Portable Tester. The final step was to remix and remold the cored pavement samples or make samples with new materials to obtain an 'as new' surface and again subject these samples to wear on the small wheel circular track with periodic testing using the British Portable Tester to find the British Pendulum Number (BPN).
Design Prediction of Pavement Skid Resistance from Laboratory Tests
The objective of this research has been to develop and refine methods for pre-evaluating aggregates and paving mixtures so that predictions can be made covering skid resistance properties of proposed and in service pavement types. The equipment used during the testing included a K. J. Law Locked Wheel Pavement Friction Tester, a British Portable Tester, a North Carolina type small wheel circular track wear and polish machine built by KsDOT personnel, a device for plotting a linear traverse profile of a pavement sample, and stereophotography equipment. A usable correlation was established between the field testing using the data from the British Portable Tester and the Locked Wheel Pavement Friction Trailer at speeds of 40 and 55 mph. To extend this correlation, core samples were extracted from the Locked Wheel Tester Skid Path and were subjected to wear on the small wheel circular track with periodic surface friction testing using the British Portable Tester. The final step was to remix and remold the cored pavement samples or make samples with new materials to obtain an 'as new' surface and again subject these samples to wear on the small wheel circular track with periodic testing using the British Portable Tester to find the British Pendulum Number (BPN).
Design Prediction of Pavement Skid Resistance from Laboratory Tests
W. H. Parcells (Autor:in) / T. M. Metheny (Autor:in) / R. G. Maag (Autor:in)
1980
34 pages
Report
Keine Angabe
Englisch
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