Modeling Vegetation (and other) Effects using VOLFLO Software

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Assumed 3’ deep barrier. Barrier prevents t suction ti from increasing beyond equilibrium. Suction profile for climate controlled site Shrink is reduced by y eliminating this change in suction 72
Suction profile for climate controlled site Swell is reduced by eliminating this change in suction Suction Profile for removed tree Assumed 3’ deep barrier. Barrier prevents any suction change behind barrier (potentially unconservative) 73
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June 10, 2009 - Houston, TX
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Percent Volume Change Per Element S
Page 6 and 7:
Suction Compression Index corrected
Page 8 and 9:
A suction change from dry (higher s
Page 11:
Consolidation Theory Shrink / Swell
Page 14 and 15:
PTI adopted adopted the principles
Page 17 and 18:
PTI PTI’s s Differential Soil Mov
Page 19 and 20:
y m is (and always has been) develo
Page 21 and 22: ym, in very simple l terms, is a fu
Page 23 and 24: Initial Suction Profile Measured Su
Page 27 and 28: Post-Equilibrium Suction Envelope -
Page 29 and 30: Shrink Case - Both envelopes start
Page 31 and 32: When to use Post-Equilibrium Envelo
Page 33 and 34: The magnitude of shrink and swell i
Page 35 and 36: 1.1 pF + 0.4 pF = 1.5 pF (Total Suc
Page 38 and 39: To model special non-climate contro
Page 40 and 41: Since the tree is removed JUST BEFO
Page 43 and 44: After the tree has been removed the
Page 45 and 46: The magnitude of swell is a functio
Page 47 and 48: 3 large trees reportedly removed wi
Page 49 and 50: Reduuction of Suction S Chaange 100
Page 51 and 52: Time = 0 Time = 1 Year 51
Page 53: Time between tree removal and found
Page 56 and 57: Due to climate influences alone aft
Page 58: Shrinking Swelling 58
Page 61 and 62: …. it would be the final suction
Page 63 and 64: Note: This is used primarily for an
Page 66 and 67: Excessive watering of a flowerbed c
Page 68 and 69: For post-equilibrium post equilibri
Page 71: A vertical moisture barrier will li
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Modeling Vegetation (and other) Effects using VOLFLO Software

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