Method for Rightening Inclined Large Caisson of Yuanjiang River Bridge

The foundations under in\|water piers of main spans of Yuanjiang River Bridge in Changde are of floating steel caissons.During sinking construction,the caisson of Pier No.4 once severely inclined.By way of applying constant horizontal force in aid of oriented air\|lifting method,the inclined large caisson is rightened.Example here proves that the method is successful and worthy of reference.