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1.322

Soil Behavior

3-0-9 units · Graduate

Detailed study of soil properties with emphasis on interpretation of field and laboratory test data and their use in soft-ground construction engineering. Includes: consolidation and secondary compression; basic strength principles; stress-strain strength behavior of clays, emphasizing effects of sample disturbance, anisotropy, and strain rate; strength and compression of granular soils; and engineering properties of compacted soils. Some knowledge of field and laboratory testing assumed; 1.37 desirable.

Spring 2005

Topics

  • Overview, Organization, Soil Composition
  • Clay-Water Forces, Interparticle Forces
  • Strength Generation in Soils
  • Basic Strength Principles
  • Laddite - OC
  • Plasticity
  • Mechanisms Controlling Compressibility of Clays
  • K0 and Stress History
  • Rates of Consolidation
  • 2° Compression
  • Non-Linear Consolidation
  • Problem Soils - 1
  • Problem Soils - 2
  • Embankments on Peat
  • Strength 1A and 1B
  • Strength 1C and IIA
  • Strength IIB
  • Strength IIC - Sample Disturbance
  • Strength IID
  • Shear Modes
  • Sands
  • Sands (cont.)
  • Compacted Clay
  • Compacted Clay (cont.)

Readings

  • Foott, R., and C. Ladd. “Undrained Settlement of Plastic and Organic Clays.” Journal of the Geotechnical Engineering Division 107, no. GT8 (August 1981): 1079-1094.
    Listed reading
  • Jamiolkowski, M., C. Ladd, J. Germaine, and R. Lancellotta. “New Developments in Field and Laboratory Testing of Soils.” Proceedings of the 11th International Conference on Soil Mechanics and Foundation Engineering, San Francisco, 1995.
    Listed reading
  • Koutsoftas, D., and C. Ladd. “Design Strengths for an Offshore Clay.” Journal of Geotechnical Engineering 111, no. 3 (March 1985)
    Listed reading
  • Ladd, C., R. Foott, K. Ishihara, F. Schlosser, and H. Poulos. “Stress-Deformation and Strength Characteristics.” Proceedings of the 9th International Conference on Soil Mechanics and Foundation Engineering, Tokyo, 1977.
    Listed reading
  • Ladd, C., and R. Foott. “New Design Procedure for Stability of Soft Clays.” Joumal of the Geotechnical Engincening Dision 100, no. GT (July 1974): 763-786.
    Listed reading
  • Ladd, C. “Stress-Strain Behavior of Saturated Clay and Basic Strength Principles.” Research in Earth Physics, Research Report R64-17, Phase Report 1, April 1964. ( PDF - 2.3 MB ) ↗
    Listed reading
  • Ladd, C., and E. Kinner. “The Strength of Clays at Low Effective Stress.” Research in Earth Physics, Research Report R67-4, Phase Report 8, January 1967.
    Listed reading

Prerequisites & course information

Prereq: 1.361 Acad Year 2027-2028: G (Spring) Acad Year 2028-2029: Not offered 3-0-9 units

Sources