2011
DOI: 10.4028/www.scientific.net/amm.94-96.105
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Calculation of Thermal Stress of Thick Arch Concrete Lining of Tunnel of Big Span

Abstract: To control thermal cracks of concrete of thick arch lining of tunnel of big pan, based on basic assumption, the formula calculating thermal stress of arbitrary position and the maximal stress in arch lining restricted by surrounding rock is deduced. Moreover, the formula of thermal stress of arbitrary position, the maximal thermal stress is also presented, when the thick of arch lining varies according to the law of cosine. The change of temperature of concrete of arch lining in practical engineering is monito… Show more

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