Experimental and Numerical Investigations on the Seismic Performance of High-Strength Exterior Beam-Column Joints with Steel Fibers.

For instance, the evolution of λ i for KJ1-2 changed from a decreasing trend to an increasing trend at the loading level of 4Δ y , which was the cracking stage of the specimen.

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The bearing capacity of KJ1-1 without steel fibers showed a decreasing trend with the increase in loading level.

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The equivalent viscous damping coefficient of each specimen showed a trend of decreasing first, followed by an increase.

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