Experiment

group

number

Total

unloading

times

Unloading

position (%) in turn

ε max

Δ ε ( % ) (Compared to TEML)

Δ ε ( % ) (Compared to reference group)

Reference group

Δ ε ( % )

1

Monotonic loading

0.3723

--

--

--

2

1

25%

0.3868

3.89%

1

3.89%

3

1

50%

0.3911

5.05%

1

5.05%

4

1

75%

0.3816

2.50%

1

2.50%

5

2

25% - 50%

0.3845

3.28%

2

-0.6%

6

2

50% - 75%

0.3982

6.96%

3

1.82%

7

3

25% - 50% - 75%

0.3873

4.03%

5

0.73%