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Official Journal of the Japan Wood Research Society

Table 1 Summarizes mean values of mechanical properties of tested plywood and staple legs

From: Study on static lateral load–slip behavior of single-shear stapled connections in plywood for upholstered furniture frame construction

Critical point

Staple leg-bearing unit load (N/mm)

Single staple leg bending moment (N mm)

Staple withdrawal load (N)

Proportional limit

qpl = 71.89 (8.0)

Mpl = 229.5 (10.8)

n/a

Yield

qy = 85.95(12.8)

My = 353.7 (5.6)

n/a

n/a

Ultimate

qu = 206.60 (12.4)

Mu = 540.8 (4.1)

fu = 889.7 (13.7)

  1. Values in parentheses are coefficients of variation in percentage