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Official Journal of the Japan Wood Research Society

Table 7 Plastic constitutive parameters of poplar

From: Eccentric compression behavior of long poplar columns externally reinforced by BFRP

Direction

\({\text{R}}\)

\({\text{L}}\)

\({\text{T}}\)

Tensile yield stress (MPa)

4.62

32.956

4.4

Tangent modulus under tension (MPa)

0

3800

0

Compressive yield stress (MPa)

4.631

16.324

5.079

Tangent modulus of compression (MPa)

0

3800

0

Shear yield stress (MPa)

5

5

5

Tangent modulus under shear (MPa)

0

0

0