EAT104

Carbonate Systems Engineering Research Group

Resources for EAT104 - Engineering Behaviour of Soils

For a complete list of video lectures, see my YouTube channel [link]

 

Full references for connected reading:

-Powrie, W. (1997) Soil Mechanics: Concepts and Applications. E&FN Spn 420p. ISBN 0 419 19720 6.

-Craig, R.F. (1992) Soil Mechanics 5th Ed. Chapman and Hall. 427p. ISBN 0 412 39590 8.

[Note: You only need one of these. There are newer editions which are suitable but older second hand versions are more readily available online at discount prices. Most other soil mechanics textbooks can also be used for the course]

 

Intro video - https://www.youtube.com/watch?v=7E4_MS3o5tU

 

Session 1: Soil Classification - Part 1

Skeleton Notes: [click]

 

Connected Reading:

[Note there is a dedicated session on clay, placticity, and soil mineralogy later in the module]

-Craig, Chapter 1 (Sections 1.1, 1.2, 1.4, 1.5)

-Powrie, Chapter 1 (Sections 1.1, 1.2, 1.3, 1.5, 1.6, 1.8, 1.10)

 

Video Lectures:

VL1 - Soil phase model - https://www.youtube.com/watch?v=BpL0ijDF9To

VL2 - Bulk density & unit weight - https://www.youtube.com/watch?v=RXRbxvs0q8M

VL3 - Specific gravity - https://www.youtube.com/watch?v=60klova594U

VL4 - Water content and saturation ratio - https://www.youtube.com/watch?v=UYw_a7Cbv6w

VL5 - Voids in soils - https://www.youtube.com/watch?v=HX96rH5Ckn4

VL6 - Relating it all together - https://www.youtube.com/watch?v=KXEds42G1Pg

VL7 - Particle size distribution - https://www.youtube.com/watch?v=a_8-WlAvvCc

 

 

Session 2: Stress in soils

Skeleton Notes: [click]

 

Connected Reading:

-Powrie: Sections 1.7, 2.1, 2.2

-Craig: Sections 3.1, 3.2, 3.3, 3.4

 

Video Lectures:

VL8 - Stress and strain - https://www.youtube.com/watch?v=xOApARDmpms

VL9 - Effective stress - https://www.youtube.com/watch?v=GvK0D-wBp88

VL10 - Stress convention - https://www.youtube.com/watch?v=CLWkJR6uA2k

VL11 - Stress calculation example - https://www.youtube.com/watch?v=ggWEjZG8duc

 

 

Session 3: Shear Strength

Skeleton Notes: [click]

 

Connected Reading:

[Note: We will cover Mohrs circle and triaxial testing in Session 7]

-Craig: Sections 4.1, 4.2, 4.3, 5.1

-Powrie: 2.3, 2.4, 2.5, 2.6, 2.7, 2.9, 2.10, 2.12 (coventional interpretation), 2.13

(Powrie is much more comprehensive than Craig on this):

 

Video Lectures:

VL12 - Shear stress - https://www.youtube.com/watch?v=G7vjouBjRTA

VL13 - The shear box test - https://www.youtube.com/watch?v=rAPudDT4RYQ

VL14 - Dilation and compaction - https://www.youtube.com/watch?v=vdIer4-PUpU

VL15 - Adding shear into the stress convention - https://www.youtube.com/watch?v=w8teCTa6g4M

Also,

VL25 - Taking moments - https://www.youtube.com/watch?v=IY3ehLem0eg

VL26 - Rotating forces - https://www.youtube.com/watch?v=o80B0HeRkJk

 

 

Session 4: Soil Classification - Part 2

Skeleton Notes: [click]

 

Connected Reading:

-Craig Sections: 1.1, 1.3, (text surrounding Figure 1.6 and 1.7)

-Powrie Sections: 1.4, 1.11, 1.13,

-Cation exchange attached sheet

 

Video Lectures:

VL16 - Clay mineralogy - https://www.youtube.com/watch?v=rZC3vTBIde8

VL17 - Cation exchange - https://www.youtube.com/watch?v=wlAUJ_xkenQ

VL18 - Soil plasticity - https://www.youtube.com/watch?v=eQtCS8KK0ak

VL19 - Soil sensitivity - https://www.youtube.com/watch?v=_CsnzPZ_nNE

VL20 - Soil suction - https://www.youtube.com/watch?v=Ow4Lbs4ixbg

Something on quick clays - https://www.youtube.com/watch?v=UJsoCWqCsJ8

 

 

Session 5: Consolidation - Part 1

Skeleton Notes: [click]

 

Connected Reading:

-Craig: Sections 7.1, 7.2, 7.3,

-Powrie: Sections 4.1, 4.2, 4.3,

 

Video Lectures:

VL21 - Consolidation - https://www.youtube.com/watch?v=z4jaOIKJlCo

VL22 - Consolidation example problem - https://www.youtube.com/watch?v=mL8wfeFMowE

VL23 - Oedometer test - https://www.youtube.com/watch?v=G7bdbwEqLro

VL24 - Soil hysteresis - https://www.youtube.com/watch?v=Cb6sqhhUPpE

Also, this is a good time to revisit these:

VL25 - Taking moments - https://www.youtube.com/watch?v=IY3ehLem0eg

VL26 - Rotating forces - https://www.youtube.com/watch?v=o80B0HeRkJk

 

 

Session 6: Consolidation - Part 2

Skeleton Notes: [click]

 

Connected Reading:

-Powrie Sections: 1.12, 4.3, 4.4, 4.5, 4.6, 4.7 (some good case studies)

-Craig Sections: 1.6, 7.7, 7.8, 7.9, 7.11

Table for Tv vs Degree of consolidation

 

Video Lectures:

VL27 - Consolidation time - https://www.youtube.com/watch?v=dfDeOld1Dyw

VL28 - Consolidation time example problem - https://www.youtube.com/watch?v=pTIQnH4My14

VL29 - Root time method - https://www.youtube.com/watch?v=pTIQnH4My14

VL30 - Compaction - https://www.youtube.com/watch?v=xPd0AoPktjI

 

Session 7: The Triaxial Test

 

Connected Reading:

-Craig: 4.2 (triaxial), - Craig is not so good for this session

-Powrie: 2.2.5, 2.2.6, (re-read 2.3, and 2.4). 2.8, 5.1, 5.2, 5.3, 5.4, 5.8, 5.9.

 

Video Lectures:

VL31 - Mohr's circle of stress - https://www.youtube.com/watch?v=V6XMY-JI8l0

VL32 - The triaxial test - https://www.youtube.com/watch?v=_vOwcilCrnA

VL33 - Critical state - https://www.youtube.com/watch?v=Spm3qp5H-YY

 

Rotating the stress tensor reference frame:

https://www.youtube.com/watch?v=hBDjDn6ZTrU

 

 

Session 8: Modelling soil behaviour

Under construction

 

 

Carbonate Systems Engineering Research Group

School of Earth and Ocean Sciences

Main Building

Cardiff University

Cardiff

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