Utilize Chemical Grout Shallow Surface Injection for soil densification and to lift and level the southwest corner of the building.

Gila County Courthouse Soil Densification 2

Project Challenges

Client:   Gila County Courthouse
Location:   Globe, AZ
Project Summary: Utilize chemical grout for soil densification and to lift and level the southwest corner of the building as much as is practicable.

An area of soil at the southwest corner of the building subsided after a recent rain storm. The subsided area measured approximately 30 feet in diameter and had a depression roughly 6 to 8 inches lower relative to surrounding areas

Solutions and Results

Utilize chemical grout to lift and level the southwest corner of the building as much as is practicable. This scope of work included underpinning approximately 40 linear feet of the building extending east and north from the southwest corner of the building.

Since there were no foundation or pavement to provide confinement, trench plates were used to resist the expanding material for the greatest densification of subgrade possible. Weak soils were successfully densified.

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