Case Studies Files
Case Study: North Carolina Utility Follows Through on Manhole Rehabilitation
Published Year: 2021
- The Town of Wingate, NC Public Works Director Eugene Jones noticed two pump stations were running on average of four hours every day. However, during rain events, the pump stations would run up to 35 hours straight.
Case Study: Grouting for Ground Improvement of Foundation Soils Beneath Tank
Published Year: 2019
- Shams Geotek in Nigeria was tasked with completing various geotechnical soil tests and develop a plan to execute the necessary soil improvements beneath a 4,500,000 gallon capacity petroleum product tank in Delta State, Nigeria.
Case Study: Not Your Average Gas Main Grouting Project
Published Year: 2019
- PSE&G was experiencing significant leaks through one of their critical high pressure cast iron and steel conveyance gas mains in East Orange, New Jersey. Near abandonment, Avanti was called for product and contractor recommendations.
Long-Term Performance of Grouting Around a Flood Control Bulkhead in Shoals, Indiana
Published Year: 2006
- The long-term performance of the end-product is more important. For this reason, we have re-visited an 18-year-old mine grouting project that took place to prevent the flooding of a gypsum mine in Shoals, Indiana.
City of Sunrise, Florida: 12" Pipeline Joint Sealing
Published Year: 2005
- Before and after grouting a 12" pipeline in the City of Sunrise, Florida.
Case Study: Borough of Downington Stops Infiltration (1999)
Published Year: 1999
- Like most towns or cities with public sewer systems, Downingtown was experiencing high amounts of inflow and infiltration (I & I).
Ultrafine Cement Grout Seals Fissures in Salt Caverns
Published Year: 1999
- The WIPP in New Mexico was created as an R&D facility to demonstrate safe, long-term disposal of radioactive wastes. However, before waste could be shipped to the plant, fissures in the underground salt cavern had to be sealed.
Case Study: AV-100 Chemical Grout Solves Leakage Problems in Tailings Dam for Large Copper/Gold Mine in Argentina
Published Year: 1998
- This is a case study whereby acrylamide solution grout was used to achieve the “target residual permeability value” in the rock formation below a future tailings dam for a large copper/gold mine in Argentina.
Case Study: Leaks Stopped in Airport Tunnel
Published Year: 1998
- At George Bush Intercontinental Airport (Houston, TX), the physical plant is connected to the passenger terminals by a tunnel. Cracks had developed in the ceiling of the tunnel, and by summer 1997, water was pouring into the tunnel and onto the pipes.
Case Study: Grouting Saves Effluent Pipeline and Maintains Plant Operations
Published Year: 1996
- During a routine facility inspection at a major West Coast paper plant in Canada, a small leak appeared near the shoreline where an underground 42-inch fiberglass reinforced plastic pipe carried effluent to diffusers in the ocean.
Case Study: Blocking Artesian Flows
Published Year: 1960
- This 440- foot earth and rock- fill dam is located in a deep canyon along the Deschutes River in Oregon on a foundation of Pelton basalt, created by a series of lava flows.
Case Study: Bracing Crumbling Dock
Published Year: 1960
- An eight-year-old loading and mooring dock, 1600 feet long, at Sept Iles was showing distress. It had been constructed by driving sheet piling then placing a heavy rockfill as a base.
Case Study: Consolidating Weakly Cemented Sandstone During Cross-Cut Construction
Published Year: 1960
- Problem: At Seafield Colliery, three cross-cuts, 16-17 feet wide by 12- feet high, were being driven horizontally through the Millstone Grit series, which contained many weakly cemented and porous sandstones.
Case Study: Constructing Grout Curtain for Dam
Published Year: 1960
- The Columbia River Valley at the dam site is a wide canyon dividing the Columbia Plateau on the east from the Entiat Mountains on the west.
Case Study: Controlling Seepage During Shaft Sinking
Published Year: 1960
- In order to reach newly discovered lead deposits, St. Joseph Leak Company had to sink large diameter deep shafts through permeable Lamotte Sandstone carrying ground water at high pressures.