Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rolling Wheel Deflectometer (RWD) Demonstration for the Connecticut Department of Transportation (ConnDOT)
The Rolling Wheel Deflectometer (RWD) is an innovative device to efficiently measure continuous pavement deflections at normal highway speeds. This previously-not-available data presents many potential benefits to pavement managers and highway agencies, mainly by measuring pavement structural response for use in network-level pavement evaluation and management. This report summarizes a pilot study performed for the Connecticut Department of Transportation (ConnDOT). Applied Research Associates (ARA), Inc. performed RWD testing on 26 roadways, consisting of Interstates, U.S., and state routes. The test sites included two-lane (one lane in each traffic direction) and multi-lane roads, primarily of flexible pavement design. Several composite pavements (AC/PCC) were included in the study. For each road, the RWD measured a continuous deflection profile in the outer wheel path. The RWD operated at prevailing highway truck speeds, typically ranging from 40 to 65 mph. ARA tested 212 lane-miles over an 8-hour testing period on September 22, 2007. ARA tested roads in central and eastern Connecticut, as selected by ConnDOT. ARA post-processed raw laser and distance (DMI) data to calculate deflection. A quality control process removed any non-representative RWD data due to truck and pavement factors, such as excessive truck bouncing at bridge joints.
Rolling Wheel Deflectometer (RWD) Demonstration for the Connecticut Department of Transportation (ConnDOT)
The Rolling Wheel Deflectometer (RWD) is an innovative device to efficiently measure continuous pavement deflections at normal highway speeds. This previously-not-available data presents many potential benefits to pavement managers and highway agencies, mainly by measuring pavement structural response for use in network-level pavement evaluation and management. This report summarizes a pilot study performed for the Connecticut Department of Transportation (ConnDOT). Applied Research Associates (ARA), Inc. performed RWD testing on 26 roadways, consisting of Interstates, U.S., and state routes. The test sites included two-lane (one lane in each traffic direction) and multi-lane roads, primarily of flexible pavement design. Several composite pavements (AC/PCC) were included in the study. For each road, the RWD measured a continuous deflection profile in the outer wheel path. The RWD operated at prevailing highway truck speeds, typically ranging from 40 to 65 mph. ARA tested 212 lane-miles over an 8-hour testing period on September 22, 2007. ARA tested roads in central and eastern Connecticut, as selected by ConnDOT. ARA post-processed raw laser and distance (DMI) data to calculate deflection. A quality control process removed any non-representative RWD data due to truck and pavement factors, such as excessive truck bouncing at bridge joints.
Rolling Wheel Deflectometer (RWD) Demonstration for the Connecticut Department of Transportation (ConnDOT)
2007
33 pages
Report
Keine Angabe
Englisch