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Installation of bridge expansion joint device

author: Jianfeng Engineering from: ԭ date: 2017/7/14 9:00:00 hit: 10721
Tips: Installation of bridge expansion joint deviceTelescopic lifting device in place, with not less than ...

Installation of bridge expansion joint device

Telescopic lifting device in place, with not less than 3 metres in length, type of not less than 20# channel, with the form of double limb, telescopic device of lifting in place, the channel in the form of double leg, meters, perpendicular to the stretching device, is arranged on the deck. Then the T-shaped bolt telescopic device lift lift bolt expansion device, at intervals of 1 meters distance, perpendicular to the expansion device in the deck. Then the T-shaped bolt expansion device is fixed on the lift, channel. Both sides of the road and to press joint telescopic device channel and telescopic contact tightly fixed in the groove (steel and steel joints on both sides of the road.The surface and the expansion device to press contact tightly (when the structure of asphalt concrete pavement structure of new paving, considering the asphalt concrete due to compaction, compaction and height change, asphalt concrete structure, considering the asphalt concrete due to compaction, compaction and height change, the expansion device is appropriate). To ensure the expansion device in transverse direction and longitudinal direction are vertical joints after installation.). To ensure the expansion device in the transverse direction and the longitudinal seam are slightly lower than the road vertical direction of 1 ~ 2mm is appropriate). After installation to ensure the expansion device seam direction and vertical direction in the transverse and longitudinal suture after installation within the scope of the real ~.The elevation of the telescopic device is determined according to the measured road surface elevation in the 5m range on both sides of the seam.


  

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