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Shear capacity of steel plates with random local corrosion
https://orcid.org/0000-0002-6175-5664
Highlights The initial imperfection did not influence the shear capacity determined by yield strength. The shear capacity improved by ultimate strength is sensitive to imperfection. The yield strength, ultimate strength and tangent modulus have no influence on reduction factor of shear capacity. The influence of pit diameter and plate thickness on shear capacity can be ignored when their ratio is the same.
Abstract Steel plates have been widely used in various structures, including buildings, bridges, ocean platforms, and industrial equipment. Corrosion is inevitable for steel plates adopted in these structures, of which pitting corrosion is one of the most common types. The shear capacity of steel plates is the most important performance utilized by steel structures, such as a steel plate shear wall. However, corrosion can significantly deteriorate the shear capacity of steel plates. Hence, the shear capacity of corroded steel plates is investigated to reveal the influence of corrosion. Stochastic numerical analysis is performed and the randomness of the pitting corrosion, including corrosion location and pitting size, is accurately considered. The relationship between shear capacity and mass loss ratio is the key research content. The influences of geometrical parameters and the constitutive model of steel on randomly corroded steel plates are investigated. Lastly, the changing trends of shear capacity and mass loss ratio are derived.
Shear capacity of steel plates with random local corrosion
https://orcid.org/0000-0002-6175-5664
Highlights The initial imperfection did not influence the shear capacity determined by yield strength. The shear capacity improved by ultimate strength is sensitive to imperfection. The yield strength, ultimate strength and tangent modulus have no influence on reduction factor of shear capacity. The influence of pit diameter and plate thickness on shear capacity can be ignored when their ratio is the same.
Abstract Steel plates have been widely used in various structures, including buildings, bridges, ocean platforms, and industrial equipment. Corrosion is inevitable for steel plates adopted in these structures, of which pitting corrosion is one of the most common types. The shear capacity of steel plates is the most important performance utilized by steel structures, such as a steel plate shear wall. However, corrosion can significantly deteriorate the shear capacity of steel plates. Hence, the shear capacity of corroded steel plates is investigated to reveal the influence of corrosion. Stochastic numerical analysis is performed and the randomness of the pitting corrosion, including corrosion location and pitting size, is accurately considered. The relationship between shear capacity and mass loss ratio is the key research content. The influences of geometrical parameters and the constitutive model of steel on randomly corroded steel plates are investigated. Lastly, the changing trends of shear capacity and mass loss ratio are derived.
Shear capacity of steel plates with random local corrosion
https://orcid.org/0000-0002-6175-5664
Highlights The initial imperfection did not influence the shear capacity determined by yield strength. The shear capacity improved by ultimate strength is sensitive to imperfection. The yield strength, ultimate strength and tangent modulus have no influence on reduction factor of shear capacity. The influence of pit diameter and plate thickness on shear capacity can be ignored when their ratio is the same.
Abstract Steel plates have been widely used in various structures, including buildings, bridges, ocean platforms, and industrial equipment. Corrosion is inevitable for steel plates adopted in these structures, of which pitting corrosion is one of the most common types. The shear capacity of steel plates is the most important performance utilized by steel structures, such as a steel plate shear wall. However, corrosion can significantly deteriorate the shear capacity of steel plates. Hence, the shear capacity of corroded steel plates is investigated to reveal the influence of corrosion. Stochastic numerical analysis is performed and the randomness of the pitting corrosion, including corrosion location and pitting size, is accurately considered. The relationship between shear capacity and mass loss ratio is the key research content. The influences of geometrical parameters and the constitutive model of steel on randomly corroded steel plates are investigated. Lastly, the changing trends of shear capacity and mass loss ratio are derived.
Shear capacity of steel plates with random local corrosion
Zhao, Zhongwei (author) / Zhang, Ni (author) / Wu, Jinjia (author) / Gao, Youran (author) / Sun, Qingwei (author)
2019-12-05
Article (Journal)
Electronic Resource
English
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