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Failure process and ultimate strength of RC hyperbolic cooling towers under equivalent static wind loads
https://orcid.org/0000-0001-9707-9605
Abstract Wind induced failure process of RC hyperbolic cooling towers (HCTs) considering material nonlinearity was investigated numerically. Following a detailed introduction and several numerical verifications on the material models of concrete and reinforcement and the layered shell element, the failure process, ultimate strength and failure mechanics of a tower under two load cases, with or without winter temperature, were discussed via the load–displacement curves, distribution and evolution of cracking, stress and internal forces. Loss of the load-carrying capacity is preceded by severe cracking of concrete in windward; and yielding of reinforcement in windward when winter temperature is not included.
Highlights Failure process and ultimate strength of RC HCTs under static wind loads were analyzed. Detailed introduction on the material models of concrete and reinforcement were presented. Failure is preceded by severe concrete cracking and reinforcement yielding in windward. Structural failure is still controlled by wind load even winter temperature is included. Tension stiffening effect is the key factor on the post-cracking behavior and convergence.
Failure process and ultimate strength of RC hyperbolic cooling towers under equivalent static wind loads
https://orcid.org/0000-0001-9707-9605
Abstract Wind induced failure process of RC hyperbolic cooling towers (HCTs) considering material nonlinearity was investigated numerically. Following a detailed introduction and several numerical verifications on the material models of concrete and reinforcement and the layered shell element, the failure process, ultimate strength and failure mechanics of a tower under two load cases, with or without winter temperature, were discussed via the load–displacement curves, distribution and evolution of cracking, stress and internal forces. Loss of the load-carrying capacity is preceded by severe cracking of concrete in windward; and yielding of reinforcement in windward when winter temperature is not included.
Highlights Failure process and ultimate strength of RC HCTs under static wind loads were analyzed. Detailed introduction on the material models of concrete and reinforcement were presented. Failure is preceded by severe concrete cracking and reinforcement yielding in windward. Structural failure is still controlled by wind load even winter temperature is included. Tension stiffening effect is the key factor on the post-cracking behavior and convergence.
Failure process and ultimate strength of RC hyperbolic cooling towers under equivalent static wind loads
https://orcid.org/0000-0001-9707-9605
Abstract Wind induced failure process of RC hyperbolic cooling towers (HCTs) considering material nonlinearity was investigated numerically. Following a detailed introduction and several numerical verifications on the material models of concrete and reinforcement and the layered shell element, the failure process, ultimate strength and failure mechanics of a tower under two load cases, with or without winter temperature, were discussed via the load–displacement curves, distribution and evolution of cracking, stress and internal forces. Loss of the load-carrying capacity is preceded by severe cracking of concrete in windward; and yielding of reinforcement in windward when winter temperature is not included.
Highlights Failure process and ultimate strength of RC HCTs under static wind loads were analyzed. Detailed introduction on the material models of concrete and reinforcement were presented. Failure is preceded by severe concrete cracking and reinforcement yielding in windward. Structural failure is still controlled by wind load even winter temperature is included. Tension stiffening effect is the key factor on the post-cracking behavior and convergence.
Failure process and ultimate strength of RC hyperbolic cooling towers under equivalent static wind loads
Zhang, Jun-Feng (author) / Pei, Hao (author) / Li, Jie (author) / Ge, Yao-Jun (author) / Zhao, Lin (author)
Thin-Walled Structures ; 176
2022-04-06
Article (Journal)
Electronic Resource
English
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Analysis of Hyperbolic Cooling Towers with Geometric Imperfections Under Wind Loads
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