2023
DOI: 10.1155/2023/9735496
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Assessing the Quality of Concrete Tunnel Lining Exposed to Tunnel Fire through Residual Compressive Strength

Abstract: Compressive strength performance of concrete after exposure to the elevated temperature is important for evaluating and repairing concrete structures. This paper presents an experimental study to determine the residual compressive strength of concrete used in tunnel lining after exposed to tunnel fire. Two types of concrete tunnel lining segments are evaluated in this study. One of it was constructed using a patented fire-resistant concrete (MYC) containing high volume fly ash and nanosilica (HVFANS). Another … Show more

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Cited by 2 publications
(1 citation statement)
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“…Some research works conducted large-scale model experiments [ 11 ] or employed real-world tunnel scenarios [ 12 ] to assess the post-combustion mechanical properties of concrete linings. Moreover, a fire test was carried out on shield tunnel linings in order to evaluate the condition of concrete through residual strength and spalling behavior [ 13 ].…”
Section: Introductionmentioning
confidence: 99%
“…Some research works conducted large-scale model experiments [ 11 ] or employed real-world tunnel scenarios [ 12 ] to assess the post-combustion mechanical properties of concrete linings. Moreover, a fire test was carried out on shield tunnel linings in order to evaluate the condition of concrete through residual strength and spalling behavior [ 13 ].…”
Section: Introductionmentioning
confidence: 99%