Milwaukee Tunnel Grouting, Milwaukee, Wisconsin
A hot bitumen grouting operation to stabilise and stop an inflow of soil in a tunnel…
Case Histories Categories
Tunnels
Noranda: Geco Division – Grout Curtain for new Tailings Dam, Manitouwadge, Ontario
ECO’s amenability theory was extensively used to supress costs…
Settlement Control Using Permeation Grouting Techniques at the Mineral Street Sewer Project, Milwaukee, Wisconsin
A pre-excavation program was designed to tunnel beneath an active CP Rail track…
Hot Bitumen Grouting Stops Major Inflow, Philippines
Hot bitumen injection, in conjunction with regular cement based suspension grouts, was employed to stop a major tailings flow, which peaked at approximately 7,000 l/sec (111,000 US GPM).
Soil Grouting Through Sleeve pipes Enables Shaft Sinking in dry conditions, Milwaukee, Wisconsin
Piping below large primary clarifiers was replaced by sinking shafts in silty soils below the water table. No dewatering was allowed. A multiple pass soil grouting program created a stable, low permeability conglomerate through which the shafts were excavated.
Dorchester Road Sewer Rehabilitation, Niagara Falls, Ontario
Man accessible, leaking concrete sewer joints, located below the water table beneath a roadway triggered an internal soil erosion process resulting in the formation of major sinkholes that posed danger to local traffic. An immediate remedy was necessary to restore safety to the public and provide extended life to the sewer system