Appendix B The Unified Soil Classification System

Unified soil Classification System B-1 Appendix BThe Unified soil Classification SystemThe adoption of the principles of soil mechanics by the engineeringprofession has inspired numerous attempts to devise a simpleclassification System that will tell the engineer the properties of a givensoil. As a consequence, many classifications have come into existencebased on certain properties of soils such as texture, plasticity, strength,and other characteristics. A few Classification systems have gained fairlywide acceptance, but rarely has any System provided the completeinformation on a soil that the engineer needs. Nearly every engineer whopractices soil mechanics will add judgment and personal experience asmodifiers to whatever soil Classification System he uses.

components can be used as nouns or adjectives when describing or classifying a soil. THE CLASSIFICATION SYSTEM In its simplest form, Figure B-1 illustrates the process of the classification system. The following paragraphs provide detailed information on the soil ... The gradation of the materials is not considered

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  System, Soil, Classification, Adjectives, Unified, Gradation, Unified soil classification system

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