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PART I FOUNDATIONS – INTRODUCTORY CONCEPTS

PART I FOUNDATIONS – INTRODUCTORY CONCEPTS. M. Zoghi, Ph.D., P.E. Geotechnical Design Fall 2008. OUTLINE. Introduction Types of Foundation Design Criteria Bearing Capacity GWT. http://www.eng.fsu.edu/~tawfiq/ceg4111/ShallowFoundation.html. I. Introduction.

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PART I FOUNDATIONS – INTRODUCTORY CONCEPTS

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  1. PART IFOUNDATIONS – INTRODUCTORY CONCEPTS M. Zoghi, Ph.D., P.E. Geotechnical Design Fall 2008

  2. OUTLINE • Introduction • Types of Foundation • Design Criteria • Bearing Capacity • GWT http://www.eng.fsu.edu/~tawfiq/ceg4111/ShallowFoundation.html

  3. I. Introduction • In general – “Foundation: that which supports something.” • Athletic Foundation – supports the school’s sports program. • Structural Foundation – that which supports a structure. • Soil-Structure Interaction

  4. II. Types of Foundation • Shallow Foundations • Spread footings • Combined footings • Mat foundations • Deep Foundations • Pile foundations • Drilled piers

  5. Shallow Foundations

  6. Deep Foundations

  7. Deep Foundation: Drilled Pier

  8. III. Design Criteria • Settlement • Bearing Capacity

  9. Failure Mechanism General Shear Failure I. Elastic Zone; II. Radial Shear Zones; III. Rankine Passive Zones

  10. Local Shear Failure

  11. IV. Bearing Pressure – Bearing Capacity

  12. Terzaghi’s Bearing Capacity Equations qult = Cohesion Term + Surcharge Term + Width Term

  13. V. Groundwater Effects

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