Specifies the value of the soil displacement at which the ultimate axial restraint load is developed. This option displays only when you select American Lifeline Alliance in the Soil Model Type list.
Typical values are as follows:
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Dense Sand - 0.1 in. (2.5 mm.)
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Loose Sand - 0.2 in (5.0 mm.)
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Stiff Clay - 0.3 in. (7.5 mm.)
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Soft Clay - 0.4 in. (10 mm.)