Research Article
Comparison of Uplift Capacity and Nonlinear Failure Surfaces of Single-Belled Anchor in Homogeneous and Layered Sand Deposits
Table 5
Independent variables, coefficients, standard error,
tstatistics, and
tcritical of all the parameters from models (
18) to (
21).
| Parameters | Coefficients | Standard error | t statistics | tcritical = t(0.975,54) |
| In accordance with model (18) | L/Db | +1.67 | 0.11 | 14.54 | 2.01 | Ds/Db | −4.19 | 1.43 | 2.93 | | a | −2.96 | 0.41 | 7.13 | |
| In accordance with model (19) | L/Db | +1.48 | 0.10 | 14.62 | 2.01 | Ds/Db | −4.61 | 1.21 | 3.80 | | a | −2.97 | 0.36 | 8.16 | |
| In accordance with model (20) | L/Db | +1.17 | 0.08 | 15.27 | 2.01 | Ds/Db | −2.70 | 1.00 | 2.69 | | a | −2.26 | 0.29 | 7.84 | |
| Parameters | Coefficients | Standard error | t statistics | tcritical = t(0.975,248) |
| In accordance with model (21) | L/Db | +1.43 | 0.74 | 19.47 | 1.979 | Ds/Db | −3.62 | 0.94 | 3.85 | | β | −0.06 | 0.01 | 11.23 | | a | −2.71 | 0.26 | 10.27 | |
|
|