Experienced Geotechnical Contractors helitechccd.com 1-800-246-9721 EARTH SHORING GROUND IMPROVEMENT DEEP FOUNDATIONS VIBRATORY STONE COLUMNS MICROPILES GROUTING PROJECT CASE STUDY Sector: Government Housing Facility Description A government housing authority was adding a living facility to include two, (4) story concrete buildings connected by a sky walk, totaling approximately 25,500 square feet in plan. Requirements & Challenges The general soil conditions consisted of very soft, clayey silt extending approximately 15 to 30 feet below grade, which was underlain by relatively dense sands. The project required that the ground be improved to an allowable bearing pressure of 4,500 psf with maximum settlements of 1 inch. The foundations consisted of large mat foundati

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