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GEOTECHNICAL CONSTRUCTION Deep Soil Mixing This project involved the design and construction of a permanent shoring system using in-situ Deep Soil Mixing (DSM). Steel beams were placed into the freshly mixed soil-cement on 4.5 foot centers. A total of 43,000 square feet of soil-mixed wall to depths of 45 feet, was installed. The site soils consisted of sands and gravels. When mixed with the specified grout mixture, an average 28-day strength of 476 psi was achieved.
The length of each side of the permanent shoring was 610 lineal feet, for a total length of 1,220 feet of structural, soil-mixed wall. Working in close proximity to historic home and buildings, Geo-Con performed the work without incident.
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