Experimental Study on Fire Resistant of Shield Tunnel Segment in Civil Engineering

机译：土木工程盾构隧道段耐火试验研究

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Fire resistant behavior is one the main properties of shield tunnel segment in civil engineering. The main objective is to study the regularity of temperature distribution and deflection of shield tunnel segment after fire and the residual bearing capacity after cooling in this paper. According to the tests, a temperature-position fitting curve can be obtained, and it can be obtained that the damaged depth of segment is 7.8 cm while heating in RABT curve for 125 min. It is found that the residual bearing capacity of segment decrease with the increase of the pre-load, which drops rapidly for it is only about 20% compared to the reference one.

机译：防火行为是土木工程盾构隧道段的主要特性。主要目的是研究火灾后火灾后屏蔽隧道段的温度分布和偏转的规律性，并在本文冷却后的剩余承载力。根据试验，可以获得温度位置拟合曲线，可以获得损坏的区段深度为7.8cm，同时在兔曲线中加热125分钟。结果发现，与预载荷的增加，段的残留承载力随着预载荷的增加而降低，与参考文献1相比，它仅为约20％。

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《International Conference on Civil Engineering and Material Engineering》|2012年||共6页
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Xinjun Guo; Zhisheng Xu; Yan Zhang;
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中图分类 TB3-532;
关键词
Fire resistant; Shield tunnel segment; Temperature distribution; Deflection; Residual bearing capacity;

机译：耐火;屏蔽隧道段;温度分布;偏转;剩余承载力;

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3. Study on effect of segments erection tolerance and wedge-shaped segment on segment ring in shield tunnel [J] . CHEN Jun-sheng, MO Hai-hong Journal of Zhejiang University Science: An international applied physics & engineering journal . 2006,第11期

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4. Experimental Study on Fire Resistant of Shield Tunnel Segment in Civil Engineering [C] . Xinjun Guo, Zhisheng Xu, Yan Zhang International Conference on Civil Engineering and Material Engineering . 2012

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Experimental Study on Fire Resistant of Shield Tunnel Segment in Civil Engineering

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