Research Article

Comparing Numerical Results for Seismic Performance of Portal Steel Frames Braced with Steel: HSS Brace, Glulam Timber Brace, and Timber-Steel-BRB

Table 6

Strength and stiffness degradation of braced and unbraced portal frames.

Type of portal steel frameBrace effective area dimensions (mm)Strength degradationStiffness degradation

Steel-HSS bracedHSS (60 × 60 × 3)NoNo
TS-BRB(50 × 20)NoNo
Glulam braced(100 × 100)NoNo
Unbraced frameYesYes