Advances in Civil Engineering / 2018 / Article / Tab 4

Research Article

Probabilistic Prediction of Maximum Tensile Loads in Soil Nails

Table 4

Comparisons of model accuracy in estimation of maximum nail loads among different models.

MethodModel equationEmpirical term, Empirical constantsM correlated to
abcdeInput para.

The present study−1.451.551.000.412NoNone
Default FHWA simplified model(1) 1.250.500.752.03−1.830.590.516Yes,
(2)
(3)
Modified FHWA simplified model0.04−0.141.201.000.454NoNone

Note: (1.5 m × 1.5 m = 2.25 m2) is the typical tributary area; based on both data groups, i.e., data groups 1 and 2 ().

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