Joint Method of Road Bridge Deck by Pumping of Ultra High Strength Fiber Reinforced Concrete─Bridge Deck Replacement Work of Tama River Bridge at the Tomei Expressway─

Key Points

• The aim is to minimize traffic disruption during the replacement of the bridge deck at Tama River Bridge.
• Installed ultra high strength fiber reinforced concrete (UFC) slabs at the joints of precast PC slabs.
• Filled joints with UFC using pumping after traffic was opened.
• Applied this method in a high-traffic area with complex joint structures.
• Enabled traffic flow with only one lane closed during night work.
• Significantly reduced traffic congestion.
• Demonstrated the effectiveness of UFC joint application in complex projects.