Noranda: Geco Division – Grout Curtain for new Tailings Dam, Manitouwadge, Ontario
ECO’s amenability theory was extensively used to supress costs…
Case Histories Categories
Pre-excavation Grouting
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…
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.
Reduce and Prevent Inflow in an Underground Limestone Mine, Kansas City, USA
ECO designed and directed a multi-grout, multi-technique post/pre-excavation grouting program to facilitate two mine slopes through water bearing strata. The grouting operation was executed by ECO trained miners.
Pre-Excavation Grouting – Big Walnut Sanitary Trunk Sewer, Columbus, Ohio, USA
ECO designed and directed a pre-excavation soil grouting program to stabilize the soils below the US23 artery prior to tunnelling. The tunneling crew was trained by ECO and the grouting operation was monitored in real time via CAGES…
Pre-excavation Grout Curtain – CSO Shaft #7 and #8, Dearborn, Michigan, USA
A double row grout curtain was constructed around the perimeter of 2 large diameter (100 plus ft) caisson shafts using acrylamide and cement based suspension grout to stabilize and control the water inflow prior to sinking the shaft through the soil and rock formations.