Table 3 Reduction factor as a function of the aspect ratio43.

From: Experimental study on strengthening interior beam column joints in reinforced concrete structures using wing walls

ξ

0.7

0.8

0.9

1.0

1.2

1.4

1.6

1.8

ξ r

0.970

0.988

0.997

1.000

0.992

0.973

0.949

0.925

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