Abstract
The goal of this study is to provide engineers and designers with a good indication of TRIZ methodologies and evaluate new high performance steel diagrid details to resolve the problematic aspects of steel diagrid structures such as the concentration of stress at the ends of the tube contacted to cap plates. The present steel diagrid is a new trend of structural systems nowadays for free-formed tall buildings, to which high performance steel with tensile stress of 800MPa and a low yielding ratio can be applied.TRIZ is a problem-solving, analysis and forecasting tool derived from the study of patterns of invention in the global patent literature. This study confirms that the TRIZ process can be a strong idea generation tool for developing structural details to improve the behaviors of existing structures. Finally, the effectiveness of the new structural diagrid detail information is presented in this study using actual nonlinear static pushover analysis.
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