鋼構造論文集

A new type of energy-absorption device was developed. The new device consists of a mild-steel panel sandwiched between two mortar plates which are wrapped with carbon fiber sheets. A total of six specimens were made and tested under cyclical lateral force to investigate hysterestic properties of the device. Experimental results have indicated that confinement by mortar plates wrapped with carbon fiber sheets was effective in preventing the shear panel from premature out-of-plane buckling, ensuring sufficient deformation capacity to the shear panel. Hence the proposed confinement method can significantly enhance energy absorption capacity of shear panel.

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With the development of computer and numerical analysis, different mechanical as well as hysteresis models are applied in time history response analysis, which is gaining popularity in the response prediction of steel structures. In this research, recent literature in the field of steel structure response analysis was investigated with the attention paid on the combination of mechanical and hysteresis models. Parametric study of basic single degree of freedom (SDOF) system with bi-linear hysteresis model was carried out to examine the effect of yielding point and plastic modules on the results of response analysis. The analytic responses of a series of relatively simple models were compared to the experimental results of a full-scale shaking table test of a steel beam to column connection. Models with their parameters that matched the experimental results well were pointed out.

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