SOIL MECHANICS EXAM - SOIL CLASSIFICATION questions with correct answers

What does soil classification systems provide to geotechnical engineers? CORRECT ANSWER Soil classification systems provide a common language to express general characteristics of soil What are most soil classification systems based off? CORRECT ANSWER index properties such as particle size and Atterberg Limits. What type of soil classification systems is AASHTO? CORRECT ANSWER Engineering behavior classification What type of soil classification systems is USCS? CORRECT ANSWER Engineering behavior classification What type of soil classification systems is USDA? CORRECT ANSWER Textural classification AASHTO stands for CORRECT ANSWER American Association of State Highway and Transportation Officials What does AASHTO rate? CORRECT ANSWER soils according to their suitability for support of roadway pavements. What does AASHTO use? CORRECT ANSWER grain size distribution and Atterberg limits What does AASHTO consist of? CORRECT ANSWER group classification and a group index (GI) What is the best group classification of AASHTO for classification of soils CORRECT ANSWER A-1