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Strength and Stiffness of Corrugated Plates Subjected to Bending
When a beam twists, localized flexural deformation in the plate occurs at the connection between the corrugated plate and the beam, resulting in a reduction in the bracing stiffness of the corrugated plate. To accurately assess the bracing stiffness of a beam with a connected corrugated plate, it is essential to independently determine the bending stiffness of the corrugated plate and the rotational stiffness of the plate–beam joint. This study conducts bending experiments on corrugated plates subjected to in-plane bending to elucidate the stress mechanisms within the plates. The influence of the width-to-thickness ratio on the bending load and bending stiffness of the corrugated plates is examined using the width-to-thickness ratio regulations of various countries. The findings revealed that when the width-to-thickness ratio of the corrugated plates used in this study was lower than the threshold specified in the Eurocode, the bending load at the onset of stiffness degradation was approximately 80% of the maximum bending load, and the initial bending stiffness corresponded closely to the theoretical value. Conversely, when the web width-to-thickness ratio of the corrugated plates exceeded the limit prescribed in the Eurocode, it was demonstrated that the maximum bending load decreased to approximately 50% of the yield load, and the initial bending stiffness was reduced to about 95% of the theoretical value.
Strength and Stiffness of Corrugated Plates Subjected to Bending
When a beam twists, localized flexural deformation in the plate occurs at the connection between the corrugated plate and the beam, resulting in a reduction in the bracing stiffness of the corrugated plate. To accurately assess the bracing stiffness of a beam with a connected corrugated plate, it is essential to independently determine the bending stiffness of the corrugated plate and the rotational stiffness of the plate–beam joint. This study conducts bending experiments on corrugated plates subjected to in-plane bending to elucidate the stress mechanisms within the plates. The influence of the width-to-thickness ratio on the bending load and bending stiffness of the corrugated plates is examined using the width-to-thickness ratio regulations of various countries. The findings revealed that when the width-to-thickness ratio of the corrugated plates used in this study was lower than the threshold specified in the Eurocode, the bending load at the onset of stiffness degradation was approximately 80% of the maximum bending load, and the initial bending stiffness corresponded closely to the theoretical value. Conversely, when the web width-to-thickness ratio of the corrugated plates exceeded the limit prescribed in the Eurocode, it was demonstrated that the maximum bending load decreased to approximately 50% of the yield load, and the initial bending stiffness was reduced to about 95% of the theoretical value.
Strength and Stiffness of Corrugated Plates Subjected to Bending
Yuki Yoshino (author) / Yoshihiro Kimura (author)
2025
Article (Journal)
Electronic Resource
Unknown
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