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Table 5 Cross tabulated R2 and \(\lambda\) model values for simply supported and Continuous tendons

From: Prediction of Stress Increase at Ultimate in Unbonded Tendons Using Sparse Principal Component Analysis

Variables Simply supported Continuous
Internal External Internal External
R 2 \(\lambda\) R 2 \(\lambda\) R 2 \(\lambda\) R 2 \(\lambda\)
AASHTO 0.30 1.71 0.02 2.42 0.18 1.82 0.11 1.95
ACI 0.47 1.90 0.12 2.73 0.04 1.31 0.06 2.50
Maguire et al. (2017) 0.27 1.34 0.06 1.48 0.18 1.34 0.17 1.25