Research Article

New Bridge Weigh-in-Motion System Using Piezo-Bearing

Table 1

Values of peaks identified in time histories of loads measured by BWIM bearings (20 km/h).

Entrance side
PeakOccurrence time (s)Measured load (kN) (kN)
Joint 334Joint 335Joint 336Joint 337
10.19−0.23965−1.3651925.4325421.0995844.92728
20.97−2.95398−0.78127119.0154106.2699221.5501
31.72−10.3634817.44544185.31005190.43366382.8257

Exit side
PeakOccurrence time (s)Measured load (kN) (kN)
Joint 342Joint 343Joint 344Joint 345
17.20−16.1851740.62979151.09605191.35729366.8980
27.97−6.668308.16733183.55975175.10131360.1601
38.750.40080−8.83196111.115787.45885190.1434