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Table 5 Test results.

From: Seismic Performance of Special Structural Walls Using Overlapping Hoops Instead of Closed Hoops

 

s (mm)c

Pu (kN)

\(\frac{{P_{u} }}{{A_{g} f_{ck} }}\)

Mn (kN m)

Mn,test (kN m)

Mmax (kN m)

\(D_{{M_{max} }}\) (%)

Dmax (%)

\(\frac{{M_{max} }}{{M_{n} }}\)

\(\frac{{M_{max} }}{{M_{n,test} }}\)

μ

RCW

–

768

0.10

1012

1102.3

1135

1.43

2.0

1.12

1.03

6.9

C-SCW1

50

1169

2.58

3.0

1.16

1.06

9.4

C-SCW2a

65

1139

2.00

2.5

1.13

1.03

8.6

U-SCW1

50

1125

2.47

2.5

1.11

1.02

8.6

U-SCW2b

65

1148

2.07

2.5

1.13

1.04

8.6

U-SCW3

80

1132

1.89

2.0

1.12

1.03

8.0

U-SCW4

65

1152

0.15

1208

1349.6

1356

2.13

2.5

1.12

1.00

8.6

  1. aSpecial shear walls as defined in ACI 318.
  2. bRef.
  3. cs: center-to-center spacing of transverse reinforcement.