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Table 2 Loading history survey of LuGou Bridge

From: Three-dimensional fatigue crack propagation analysis of welded steel beam based on global-local numerical model

Stage Typical Passenger Train Typical Freight Train
Stage 1: 1988~1997
 Transportation volume 20 pairs / day 30 pairs / day
 Locomotive Beijing Model (Diesel) Jianshe Model (Steam)
 Carriage marshalling 14 uniform carriages 50 open wagons (C50) and 10 box wagons (P65)
 Train speed 50~60 km/h 20~30 km/h
 Abbreviation label BJKC JSHC
Stage 2: 1997~2007
 Transportation volume 5 pairs / day 50 pairs / day
 Locomotive Dongfeng Four model Dongfeng Four model
 Carriage marshalling 14 uniform carriages 50 open wagons (C60) and 10 box wagons (P65)
 Train speed 60~70 km/h 50~60 km/h
 Abbreviation label DFKC DFHC
Stage 3: 2007~2012
 Transportation volume 3 pairs / day 50 pairs / day
 Locomotive Shaoshan Four model Shaoshan Four model
 Carriage marshalling 14 uniform carriages 50 open wagons (C62) and 10 box wagons (P65)
 Train speed 60~70 km/h 50~60 km/h
 Abbreviation label SSKC SSHC
Stage 4: 2012 till now
 Transportation volume 11 pairs / day 20 pairs / day
 Locomotive Harmony model Harmony model
 Carriage marshalling 16 uniform carriages 50 open wagons (C64) and 10 box wagons (P65)
 Train speed Less than 100 km/h Less than 60 km/h
 Abbreviation label HXKC HXHC