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Descripción
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| This paper presents a practical approach to the study of defects in a tunnel-boring machine (TBM) ring due to the lack of gap filling during the construction phases. This lack of gap fill can produce an uncontrolled ovalization of the ring, which can lead to multicracking along the segments, in particular at the tunnel crown. After a brief description of the causes of the problem and the state of the art of ovalization in a TBM ring, a real case is analyzed considering the nonlinear moment curvature behavior of a reinforced concrete section based on the constitutive laws of the materials leading to a redistribution of internal forces. The results of this approach are compared with measured field data, in particular regarding the tunnel ovalization and the crack widths detected along the ring | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Journal of Performance of Constructed Facilities |
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ISSN
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0887-3828 |
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Factor de impacto JCR
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0,893 |
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Información de impacto
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Datos JCR del año 2015 |
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Volumen
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31 |
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DOI
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10.1061/1943 |
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Número de revista
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Vol. 31 |
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Desde la página
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36 |
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Hasta la página
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46 |
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Mes
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AGOSTO |
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Ranking
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