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# Note for Foundation Engineering - FE By JNTU Heroes

• Foundation Engineering - FE
• Note
• Jawaharlal Nehru Technological University Anantapur (JNTU) College of Engineering (CEP), Pulivendula, Pulivendula, Andhra Pradesh, India - JNTUACEP
• 3 Topics
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ADVANCED FOUNDATION ENGINEERING CLASS NOTES EARTH PRESSURES            smartworlD.asia At Rest Lateral Pressure Rankine Active and Passive Earth Pressure States Relations Between Earth Pressures and Wall Movements DIA – Dual Interfacial Apparatus Interfacial Friction and Adhesion Active and Passive Earth Pressure Coefficients Computation of a General Active Case Horizontal Pressure from Surface Loads Effect of Ground Water and Filter on Wall Pressures Earth Pressure due to Compaction Earth Pressure on Rigid Retaining Walls Near Rock Faces

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EARTH PRESSURES  Review Ch. 6 in H.Y. Fang, “Foundation Engineering Handbook” or Ch. 11 in J.E. Bowles, “Foundation Analysis and Design” (5th ed.) or Ch 7 in B.M. Das “Foundation Engineering” (7th ed.)  Design of earth-retaining structures requires knowledge of the earth, water, and external loads that will be exerted on the structures. AT REST LATERAL PRESSURE (a) Theoretical elasticity under conditions of lateral zero disp. (referring to effective stresses). (1) 2  1  2   3  1  E (2) 3  1  3  1   2  E ’ smartworlD.asia 3 = 2 = 0 for zero lateral yield for orthotropic or oedometer conditions ’ 23 (1) + (2) 2 3  2  2   3  ’  3 1     1  3  Ko   1   1 1  say K = h/v = 3/1 = 0.15 Ko = 0.18 = 0.30 = 0.50 Ko = 0.43 Ko = 1.00 PAGE 1