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Table 7 The values of maximum response of ODBS braced frame under various eccentricities.

From: Finite Element Modeling and Nonlinear Analysis for Seismic Assessment of Off-Diagonal Steel Braced RC Frame

Elcentro time-history acceleration response

General characteristics

Models & index

Max. Ecc (e1)

Max. Acc (g)

Max.Vel (cm/s)

Max. Displ (cm)

Initial stiffness (kN/cm)

Period (1st mode) (s)

Δ at first yield point (cm)

ODBS (p0)

0.00

0.342

46.08

3.93

491.78

0.47

2.83

ODBS (p1)

0.1

0.261

40.14

4.67

315.59

0.59

2.49

ODBS (p2)

0.2

0.175

37.72

5.10

158.51

0.83

2.31

ODBS (p3)

0.3

0.073

33.3

6.06

77.49

1.19

2.1

ODBS (p4)

0.4

0.034

34.71

6.81

37.77

1.71

1.7

ODBS (p5)

0.5

0.028

36.95

6.22

17.36

2.52

1.6

ODBS (p6)

0.6

0.023

38.71

6.16

6.50

4.12

1.3

ODBS (p7)

0.7

0.018

40.08

6.00

1.23

9.48

1.1

X-Bracing

–

0.581

78.35

2.04

894.39

0.39

2.96