Furthermore, the repetitive flexural movement of the belt over time decreases its transverse bending stiffness and indentation rolling resistance, likely resulting in contact losses between the belt and the upper idler rolls [59]. These conditions lead to the belt rotation phenomena, which can occur...
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This phenomenon will cause a large bending moment on the structural slab, and the upper slab of the pipe roof is a place to which special attention must be paid during tunnel construction. Therefore, this study used the bending moment distribution of each construction stage to analyze the ...