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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