Experienced Geotechnical Contractors helitechccd.com 1-800-246-9721 PROJECT CASE STUDY © Helitech CCD 2015 EARTH SHORING GROUND IMPROVEMENT DEEP FOUNDATIONS AGGREGATE PIERS / VSCs MICROPILES GROUTING Sector: Large Chemical Storage Tanks Description Three UAN (Urea, Ammonia, and Nitrogen) Tanks, 176 feet in diameter, were being constructed in an agricultural area for a new Fertilizer Plant. Approximately 6,000 Aggregate Piers / VSCs were to be installed at the proposed site of the three tanks. Requirements & Challenges The tanks were designed for a maximum settlement of 2 inches at the edge of the tanks. It was estimated that the total settlements on the order of 6 to 8 inches would occur if no ground improvement was performed. Aggregate Piers were to be installed

Join for free to read