ELEVATED BRIDGE AND ITS CONSTRUCTION METHOD

摘要

PROBLEM TO BE SOLVED: To easily construct an elevated bridge with large quake-proof strength. SOLUTION: A bridge abutment beam 4 made of precast concrete with a jaw 8 for placing the beam is crimped and joined to the head part of a precast concrete post 3 being erected at an appropriate interval on a foundation 2, precast concrete girders 5 and 6 are erected between the jaws 8 for placing the beam of the bridge abutment beam 4 via a support 10, the end part of the precast concrete beams 5 and 6 being installed opposite to the jaw 8 for placing the beam of the bridge abutment beam 4 is crimped and joined to the bridge abutment beam 4 by a lower tendon 11 through the jaw 8 for placing the beam and an upper tendon 12 through the upper side of the jaw 8 for placing the beam.