A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The results of a five-year study of the riding qualities of recently constructed New Jersey pavements and bridges are reported. The principal sources of roughness on these surfaces and the development of proposed smoothness acceptance specifications are described. The bituminous and concrete pavements studied were all of high-type (principally Interstate) construction on new alinement. Determinations of relative roughness were made with a BPR-type roughometer and a 10-foot rolling straightedge. The output of the roughometer is evaluated using the FHWA adjective rating system and, to a limited extent, in terms of the AASHO Road Test 'Present Serviceability Concept'. The latter (PSI) criteria appears to have little applicability to New Jersey conditions. Rolling straightedge data is evaluated by means of criteria developed from observed correlations between the rideability indicated by the roughometer and the severity and extent of surface irregularities.
The results of a five-year study of the riding qualities of recently constructed New Jersey pavements and bridges are reported. The principal sources of roughness on these surfaces and the development of proposed smoothness acceptance specifications are described. The bituminous and concrete pavements studied were all of high-type (principally Interstate) construction on new alinement. Determinations of relative roughness were made with a BPR-type roughometer and a 10-foot rolling straightedge. The output of the roughometer is evaluated using the FHWA adjective rating system and, to a limited extent, in terms of the AASHO Road Test 'Present Serviceability Concept'. The latter (PSI) criteria appears to have little applicability to New Jersey conditions. Rolling straightedge data is evaluated by means of criteria developed from observed correlations between the rideability indicated by the roughometer and the severity and extent of surface irregularities.
Pavement Riding Quality
J. R. Croteau (author)
1974
261 pages
Report
No indication
English
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