mohr coulomb model l.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Mohr-Coulomb Model PowerPoint Presentation
Download Presentation
Mohr-Coulomb Model

Loading in 2 Seconds...

play fullscreen
1 / 19

Mohr-Coulomb Model - PowerPoint PPT Presentation


  • 896 Views
  • Uploaded on

Mohr-Coulomb Model. Short Course on Computational Geotechnics + Dynamics Boulder, Colorado January 5-8, 2004. Stein Sture Professor of Civil Engineering University of Colorado at Boulder. Mohr-Coulomb Model. Computational Geotechnics. Contents.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Mohr-Coulomb Model' - Anita


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
mohr coulomb model

Mohr-Coulomb Model

Short Course on Computational Geotechnics + Dynamics

Boulder, Colorado

January 5-8, 2004

Stein Sture

Professor of Civil Engineering

University of Colorado at Boulder

contents

Mohr-Coulomb Model

Computational Geotechnics

Contents
  • Idealized and Real Stress-Strain Behavior of Soils
  • Basic Concepts of Mohr-Coulomb Model
  • Mohr-Coulomb Model Modeling
  • Friction Angle
  • Influence of Intermediate Principal Stress on Friction Angle
  • Drained Simple Shear Test
  • How to Understand 
  • Drained Triaxial Test
basic concepts of mohr coulomb model

Mohr-Coulomb Model

Computational Geotechnics

Basic Concepts of Mohr-Coulomb Model

Bilinear approximation of triaxial test

Basic law:

mohr coulomb soil modeling6

Mohr-Coulomb Model

Computational Geotechnics

Mohr-Coulomb Soil Modeling

Flow rule for plastic strain:

This means: , , etc.

mohr coulomb soil modeling7

Mohr-Coulomb Model

Computational Geotechnics

Mohr-Coulomb Soil Modeling

a multiplier that determines the magnitude of plastic strains

determines the direction of plastic strains

Classical associated plasticity: g = f

General non-associated plasticity: g  f

M-C model: f r – s sin– c cos : yield function

g r – s sin– c cos : plastic potential function

mohr coulomb soil modeling8

Mohr-Coulomb Model

Computational Geotechnics

Mohr-Coulomb Soil Modeling

Nonlinear Failure Envelope Representation

mohr coulomb soil modeling9

Mohr-Coulomb Model

Computational Geotechnics

Mohr-Coulomb Soil Modeling

Friction Angle Definitions

mohr coulomb soil modeling10

Mohr-Coulomb Model

Computational Geotechnics

Mohr-Coulomb Soil Modeling

Strength Envelopes for a Range of Soil Types

mohr coulomb soil modeling11

Mohr-Coulomb Model

Computational Geotechnics

Mohr-Coulomb Soil Modeling

Versus Relative Density and Unit Weight

friction angle

Mohr-Coulomb Model

Computational Geotechnics

Friction Angle

Dilatancy Angle Relationships

slide13

Mohr-Coulomb Model

Computational Geotechnics

in which:

slide14

Mohr-Coulomb Model

Computational Geotechnics

for NC Clays vs. PI

how to understand y

Mohr-Coulomb Model

Computational Geotechnics

How to Understand y
drained triaxial test

Mohr-Coulomb Model

Computational Geotechnics

Drained Triaxial Test

(identical to biaxial test)