2016
DOI: 10.17559/tv-20151217142924
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Skewed pressure characteristics induced by step-by-step excavation of a double-arch tunnel based on infrared thermography

Abstract: Original scientific paper In order to obtain the skewed pressure characteristics, the physical model tests, adopting two kinds of excavation sequences of the bench method and the expanding method, were conducted under the different confining pressures for observation thermal radiation characteristics of the skewed pressure induced by step-by-step excavation for a double-arch tunnel. Firstly, under uniaxial compression test, the cylindrical specimen presented the cooling effect, the correlations between the axi… Show more

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