Application of double acting high tonnage cylinders in high speed railway pile foundation settlement synchronous lifting

The bridge length of Beijing-Shanghai high-speed railway Tianjin section is 113.69 km, start at Langfang city, Hebei province, pass by Wuqing, Xiqing districts, Tianjin city, stop at Qing county, Cangzhou city, Hebei province. Because all lines are the bridges, it is called "bridge king" by construction workers. The implementation of the settlement of pile foundation of synchronous lifting of the Beijing-Shanghai high-speed railway to Tianjin bridge D 133# -141# pier pier (length 250 meters), according to the settlement monitoring report shows that the maximum cumulative settlement is 142.8mm, therefore, need to adjust the differential settlement, ease the security for driving and equipment.