About G&GI - Innovative Solutions Saving the Client Money
Problem: TBM breaks through permeable layer
Solution: Custom grout mix chosen and appropriate means & methods for conditions and geology.
Problem: Hydro-fractured dam during grouting program.
Solution: Completed forensic analysis, re-wrote specifications, and provided proven means & methods resulting in a successful 3 row grout curtain.
Problem: Underground mine in karst geology with groundwater flooding mine and equipment, stopping operations.
Problem: Underground mine in karst geology with groundwater flooding mine and equipment, stopping operations.
Solution: Custom surface and underground grouting program using bitumen, cementitious, and chemical grouts for a variety of permeabilities.
Problem: Sinkhole opened up below pipeline and collapsed neighbors pool.
Solution: Custom grout mixes chosen appropriate for seepage and stabilization in epikarst geology.
Problem: Sinkhole opened up in bypass channel at left abutment of dam causing seepage emanating at dam toe and plunge pool with green dye.
Solution: Used existing heavy equipment on site along with custom grout mix to penetrate long distance to plunge pool
Problem: Inexperienced grouting contractor was using wrong chemical grout and injection pressures that would have hydrofractured the loose sands.
Problem: Inexperienced grouting contractor was using wrong chemical grout and injection pressures that would have hydrofractured the loose sands.
Solution: Appropriate chemical grout and instrumented packers to mitigate hydrofracture.
Discover G&GI
Who We Are
Our Services
Our Services
G&GI is a full-service Grouting and Ground Improvement firm dedicated to delivering innovative and sustainable solutions to our clients. This includes deign, specifications, engineering drawings, and onsite CQA.
Our Services
Our Services
Our Services
We specialize in Level 3 / double instrumented packer hardware and software that only we have in the industry, with direct injection monitoring, mitigating hydro-fracture, approved by USACE. We take on challenges in the most complex geology such as epikarst below dams. We do projects the others cannot and oftentimes train national grouting contractors onsite.
Your Project
Our Services
Your Project
We take pride in the quality of our work solving complex problems. Projects include USACE & TVA dams, mines, tunnels, sinkholes, contamination containment, buildings, pipelines, DOT, and WWTP expansion.