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  • Users: Jalthi
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  1. Jalthi

    Tangent / Secant/ Drilled Shaft wall Modelling in Lpile

    I was wondering how one would model a drilled shaft wall in Lpile to determine the lateral deflection and depth of embedment. I would model the height of the wall as part of shaft that is unsupported by earth. Then apply lateral earth pressure on the unsupported part. In other words: 1...
  2. Jalthi

    MSE Wall - LRFD Version

    In the external design of MSE structures, a limiting eccentricity of L/6 is conventionally used in ASD method. [Reference: Page 92, MSE Walls and Reinforced Slopes Design and Construction Guidelines, March 2001 (FHWA-NHI-00-043)] As we know, the limiting value is derived from the ‘middle third...
  3. Jalthi

    Plate Load Test on Fill

    We performed a plate load test on supposedly properly compacted (not verified yet) engineered fill material. The fill was approximately 3 feet thick and covered an area of 15 ft. by 15 ft. The load was applied on a 30 inch diameter plate (30 at bottom 18 on top) increased in the steps of 5 psi...
  4. Jalthi

    Cell Pressure in Triaxial

    I am a naive in triaxial test and looking for your assistance. How do we select the cell pressure (or ?3) for a UU triaxial test? For example, for a clay sample at 10 feet deep (?sat = 125 pcf) and groundwater table at 6 feet: ?v = 10 * 125 = 1,250 psf ?v' = 1,250 – 4 * 62.4 = 1,000 psf ?h' =...
  5. Jalthi

    Horizontal Consolidation

    Is there any standard test to determine the coefficient of horizontal consolidation? I am assuming Cv = Ch. Is this reasonable. Thank you.
  6. Jalthi

    Franki Pile Design

    I would like to have some reference material for franki pile design. If you can show me where to find them it would be greatful. So far, I could locate only one paper by William J. Neely "Bearing Capacity of Expanded Base Piles in Sand" (1989). I know there is one more paper by Rey Nordlund...

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