Issue 54

Z. H. Xiong et alii, Frattura ed Integrità Strutturale, 54 (2020) 136-152; DOI: 10.3221/IGF-ESIS.54.10

2000

1500

3%b 0

τ =2.0 τ =1.75 τ =1.5 τ =1.25 τ =1.0

1000 Load(kN)

BPRH joint's strength

500

0

0

20

40

Connection deformation (mm)

(a) β =0.6 (TT7-TT11).

2000

Load(kN)

 =0.6(w)  =0.7(w)  =0.8(w)

1000

 =0.6  =0.7  =0.8

0

0

20

40

Connection deformation (mm)

(b) τ =1.75( w representing the joint without PBR).

2000

3%b 0

 =2.0  =1.75  =1.5  =1.25  =1.0

Load(kN)

1000

BPRH joint's strength

0

0

10

20

30

40

50

Connection deformation (mm)

(c) β =0.6 (TT7P-TT11P) Figure 8: Load-deformation curve of the parametric specimens

144