PSI - Issue 70

Umeshkumar T. Mourya et al. / Procedia Structural Integrity 70 (2025) 35–42

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Table 2. Looseness values and equivalent imperfection from experimental studies

Equivalent Imperfection (1: n)

Average Equivalent Imperfection (1: n)

Looseness (radians)

Sr. No.

Configuration

1 2 3 4 5 6 7 8 9

B1T1S1 B1T1S2 B1T1S3 B1T2S1 B1T2S2 B1T2S3 B1T3S1 B1T3S2 B1T3S3 B1T4S1 B1T4S2 B1T4S3 B2T1S1 B2T1S2 B2T1S3 B2T2S1 B2T2S2 B2T2S3 B2T3S1 B2T3S2 B2T3S3 B2T4S1 B2T4S2 B2T4S3 B3T1S1 B3T1S2 B3T1S3 B3T2S1 B3T2S2 B3T2S3 B3T3S1 B3T3S2 B3T3S3 B3T4S1 B3T4S2 B3T4S3

0.006 0.006 0.009 0.009 0.013 0.016 0.015 0.013 0.007 0.005 0.005 0.007 0.011 0.009 0.010 0.012 0.008 0.007 0.014 0.011 0.017 0.005 0.007 0.005 0.011 0.010 0.023 0.025 0.021 0.028 0.018 0.023 0.013 0.010 0.014 -

166.67 165.56 117.65 111.11

146.06

78.43 62.50 66.67 76.92

79.47

85.71

142.86 192.31 200.00 136.99

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

171.43

93.02

117.65

101.18

96.15 86.96

133.33 142.86

115.38

74.07 95.24 60.61

74.07

210.53 142.86 200.00

179.10

93.02

-

96.39

100.00

43.48 40.00 47.62 35.71 55.56 43.38 80.00

43.48

43.45

100.00

82.19

71.43