Top Banner

of 15

stress distribution.ppt

Feb 22, 2018

Download

Documents

MohamedRaahim
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
  • 7/24/2019 stress distribution.ppt

    1/15

    Stress Distributionand all of its mysteries

    http://www.rocscience.com/images/products/settle3d/analysis_options2_large.gif
  • 7/24/2019 stress distribution.ppt

    2/15

    I. The Bulb of Pressure

    Force

  • 7/24/2019 stress distribution.ppt

    3/15

    I. The Bulb of Pressure

    what are the

    stresses at this

    point?

    Force

  • 7/24/2019 stress distribution.ppt

    4/15

    II. The Boussines !uation

    ". #oal$ to determine the %ertical andhori&ontal stresses under a point load in a

    homo'eneous( isotropic medium.) "llows us to determine %ertical and hori&ontal stresses at any point in space)!*amine the transmission and distribution of stresses in lar'e( e*tensi%e masses

    of soil.

    +boo,sinn,es-

    /ul%ert?

  • 7/24/2019 stress distribution.ppt

    5/15

    II. The Boussines !uationB. The !uation$

  • 7/24/2019 stress distribution.ppt

    6/15

    II. The Boussines !uationB. The !uation$

    0here v 1 Poisson2s

    3atio +4.56

    Also an equation for y

  • 7/24/2019 stress distribution.ppt

    7/15

  • 7/24/2019 stress distribution.ppt

    8/15

  • 7/24/2019 stress distribution.ppt

    9/15

  • 7/24/2019 stress distribution.ppt

    10/15

  • 7/24/2019 stress distribution.ppt

    11/15

  • 7/24/2019 stress distribution.ppt

    12/15

  • 7/24/2019 stress distribution.ppt

    13/15

    7.89

  • 7/24/2019 stress distribution.ppt

    14/15

    If Poisson2s ratio is :4.;( euations simplify to$

    &

    > 3;

    &

    > 3;

  • 7/24/2019 stress distribution.ppt

    15/15

    @our turn$

    Aertical load of >;44 lbft>

    Determine hori&ontal +* and %ertical +& stresses

    at C1 ;( @1 >( 1 7