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Soil Mechanics and Foundation Engineering

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Multiple Choice

Which soil classification system is commonly used in the United States?

  1. Unified Soil Classification System (USCS)
  2. American Association of State Highway and Transportation Officials (AASHTO) Soil Classification System
  3. International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE) Soil Classification System
  4. British Standards Institution (BSI) Soil Classification System
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