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1
Soil Strength Example
Soil Strength Example
::2010/01/24::
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2
Newton DEM Simulation - Pellet Feeder, High Cohesion
Newton DEM Simulation - Pellet Feeder, High Cohesion
::2014/02/09::
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3
Soil Strength: Drained and Undrained Shear Strength
Soil Strength: Drained and Undrained Shear Strength
::2013/09/23::
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4
Nelson Mandela Lecture : Mo Ibrahim
Nelson Mandela Lecture : Mo Ibrahim
::2013/08/17::
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5
Cohesive powders - Hemihydrate
Cohesive powders - Hemihydrate
::2011/03/08::
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6
Coffee with Claire for March 20, 2011
Coffee with Claire for March 20, 2011
::2011/03/20::
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7
Powder Flow Analyser - example tests and products.wmv
Powder Flow Analyser - example tests and products.wmv
::2010/03/22::
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8
"Clay" patch in 2D DEM experiment
"Clay" patch in 2D DEM experiment
::2011/06/29::
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9
Scarp profile #1
Scarp profile #1
::2008/12/06::
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10
Diffusion and mixing in 2D DEM experiment - Combined view
Diffusion and mixing in 2D DEM experiment - Combined view
::2011/06/30::
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11
Sandbox Modelling (No syn-contractional sedimentation with 0° of basal detachment tilt)
Sandbox Modelling (No syn-contractional sedimentation with 0° of basal detachment tilt)
::2014/04/21::
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12
In Flames - Gyroscope
In Flames - Gyroscope
::2010/04/05::
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13
Bagshot (Disambiguation)
Bagshot (Disambiguation)
::2010/10/28::
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14
Granular flows experiments
Granular flows experiments
::2010/10/20::
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15
granular flows
granular flows
::2010/10/20::
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16
2013 GeoConfluence_High Volume Reuse of Fly Ash in Geotechnical Engr by Controlled Organics
2013 GeoConfluence_High Volume Reuse of Fly Ash in Geotechnical Engr by Controlled Organics
::2013/11/08::
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17
Craven Confessions for August 23, 2014
Craven Confessions for August 23, 2014
::2014/08/23::
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18
Hold the Water Experiment - Mad Science - The Home Labs
Hold the Water Experiment - Mad Science - The Home Labs
::2014/09/09::
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19
Gale: 3D Extension Model with Realistic Topography
Gale: 3D Extension Model with Realistic Topography
::2008/10/16::
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20
A simple device for in-situ direct shear and sinkage tests (Part 2)
A simple device for in-situ direct shear and sinkage tests (Part 2)
::2014/04/17::
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21
Android app RMR Calc free (Bieniawski, 1993)
Android app RMR Calc free (Bieniawski, 1993)
::2012/10/24::
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22
Android App RMR Calc, (Bieniawski, 1993)
Android App RMR Calc, (Bieniawski, 1993)
::2012/10/29::
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23
Particle friction 3D
Particle friction 3D
::2013/11/24::
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24
Van Cohesive
Van Cohesive
::2014/03/30::
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25
Granular Material Shearing
Granular Material Shearing
::2013/03/26::
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26
DEMでのスランプ試験
DEMでのスランプ試験
::2010/02/11::
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27
Mod-01 Lec-08 Lecture-08.Geotechnical Measurements & Explorations
Mod-01 Lec-08 Lecture-08.Geotechnical Measurements & Explorations
::2013/05/23::
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28
Shotcrete Test Panels
Shotcrete Test Panels
::2012/10/10::
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29
Part II - Experimental sand - angle of repose
Part II - Experimental sand - angle of repose
::2014/05/04::
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30
Mod-07 Lec-19 Particle Removal: Wet Cleaning
Mod-07 Lec-19 Particle Removal: Wet Cleaning
::2012/06/25::
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31
Shotcrete test panel
Shotcrete test panel
::2012/07/14::
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32
A care home resident talks through her Life Story.wmv
A care home resident talks through her Life Story.wmv
::2012/07/13::
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33
MELT
MELT
::2006/12/12::
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34
Flowability test of Granular inoculants
Flowability test of Granular inoculants
::2012/09/17::
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35
Moon Bucket - DEM Simulation
Moon Bucket - DEM Simulation
::2007/01/31::
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36
Collapse of Cohesive Soil 2 (SPH)
Collapse of Cohesive Soil 2 (SPH)
::2013/10/28::
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37
Geotechnical Drilling Company in Florida also Geotechnical and Environmental Drilling Subcontractor
Geotechnical Drilling Company in Florida also Geotechnical and Environmental Drilling Subcontractor
::2012/01/06::
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38
granular shear simulation
granular shear simulation
::2009/01/14::
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39
SPH  modeling - Fluid - Solid
SPH modeling - Fluid - Solid
::2014/06/05::
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40
Discrete Element Method - Rotating bullet impacting a slab - 1
Discrete Element Method - Rotating bullet impacting a slab - 1
::2012/06/19::
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41
Better Sediment Basin Design with Porous Baffles.wmv
Better Sediment Basin Design with Porous Baffles.wmv
::2009/12/27::
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42
Evaluating and Adjusting a Cityscape with Cheng-Khee Chee
Evaluating and Adjusting a Cityscape with Cheng-Khee Chee
::2010/07/28::
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43
A Brazilian Student
A Brazilian Student's First Impressions of UAA and Alaska
::2011/09/13::
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44
2E0S1C2 Trailer - Nolimitscoaster
2E0S1C2 Trailer - Nolimitscoaster
::2012/10/08::
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45
Speed BSc - Sport and Exercise Sciences
Speed BSc - Sport and Exercise Sciences
::2011/11/07::
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46
Ancient Egyptian model boat @ RISD
Ancient Egyptian model boat @ RISD
::2008/09/21::
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47
Chemical and Physical Weathering Launch
Chemical and Physical Weathering Launch
::2013/06/25::
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48
granular-flow-around-cylinder
granular-flow-around-cylinder
::2012/05/04::
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49
Science: H2O Water Topics Powerpoint found at www.sciencepowerpoint.com
Science: H2O Water Topics Powerpoint found at www.sciencepowerpoint.com
::2010/07/10::
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50
NEWTON
NEWTON'S BUCKET (U TUBE) EXPERIMENT 2
::2014/04/30::
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RESULTS [51 .. 101]
From Wikipedia, the free encyclopedia
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Cohesion is the component of shear strength of a rock or soil that is independent of interparticle friction.

In soils, true cohesion is caused by following:

  1. Electrostatic forces in stiff overconsolidated clays (which may be lost through weathering)
  2. Cementing by Fe2O3, CaCO3, NaCl, etc.

There can also be apparent cohesion. This is caused by:

  1. Negative capillary pressure (which is lost upon wetting)
  2. Pore pressure response during undrained loading (which is lost through time)
  3. Root cohesion (which may be lost through logging or fire of the contributing plants, or through solution)

Some typical values of soil cohesion for different soils can be found on Geotechdata.info database.

References[edit]

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