GROUT TOTHE RESCUE

摘要

During construction of a newrnlift span on a railroad bridgerncrossing the Thames River inrnConnecticut, a caisson began tornexperience unexpected settlement.rnIn response, an unusually deeprngrouting program was begunrnthat would ultimately place morernthan 3.8 million L (1 millionrngal) of microfine cement grout tornsuccessfully stop the movement.