Modeling Vegetation (and other) Effects using VOLFLO Software

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The suction profile to a heavily wooded site will be similar to an isolated tree EXCEPT the extent of the dry zone will be greater. The dry zone will encompass a greater portion of the foundation than an isolated tree. 55
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June 10, 2009 - Houston, TX
Page 4 and 5: 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 57 and 58: Since it is unlikely that the dry z
Page 60 and 61: The same suction profile can be ass
Page 62 and 63: For post post-equilibrium equilibri
Page 64: Low Expansive Soil (PI = 18) Modera
Page 67 and 68: Since the excessive watering of the
Page 69: Low Expansive Soil (PI = 19) Modera
Page 72 and 73: Assumed 3’ deep barrier. Barrier
Page 74: Lo Low EExpansive pansi e Soil (PI
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Modeling Vegetation (and other) Effects using VOLFLO Software

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