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Expansive soils

About Us - Geotech Systems Corporation ...History Gallery GeoTech Systems Corporation Mission Statement: Develop, test and market innovative geosynthetic materials and methods to address the issues of unstable or expansive soils, seismic events and relief of hydrostatic pressure. GeoTech Systems Corporation Values: Research and develop solutions for geotechnical challenges. Develop... See #1. Chance® Bibliography of Technical Literature: Helical Anchors Canadian Geotechnical Journal, Vol. 9, No. 1, pp. 89-104. Black, D.R. and Pack, J.S., 2002. Design and Performance of Helical Screw Piles in Collapsible and Expansive Soils in Arid Regions of the United States. Proceedings of the 9th International Conference on Piling and Deep Foundations, pp. 469-476. Bobbitt, D.W., and Clemence, S. See #2. Power Lift Foundation Repair The most common cause of foundation movement is the seasonal shrinking and swelling of expansive soils. The degree of soil movement is determined by the amount of expansive material in that soil and the variation of its moisture content. When the moisture content of expansive soil increases, the soil swells. During... See #3. 1: http://www.geosyscorp.com [c1146482] 2: http://www.abchance.com [c1027847] 3: http://www.foundationspecialists.com [c1014129]