By Suzan Chin-Taylor Injecting chemicals to stabilize, lift, seal or compact weak soils and rocks is not new. Polyurethane grout material has been used for this purpose since the 1960s. However, the limitations of this process have often been frustrating, not only for asset owners but installers, as well. Historically, material injection has been limited to shallow depths of twenty feet or less, due to the technology, means, and methods of application. As the material is injected, it begins to synthesize (cure) inside the injection tube. While the synthesis rate…
Read MoreLift Station Repairs Demonstrate Efficacy of New Chemical Grout Injection Technology
