作者: Liu Peng , Li Wei , Zhang Dongqing , Wang Hongchao , Ran Qianxian
DOI:
关键词: Geology 、 Structural engineering 、 Longitudinal direction 、 Scale (ratio)
摘要: The utility model discloses a mass hollow concrete structure used for large-scale cavity backfilling, which is maximumly reducing consumption under the premise of ensuring safety and reliability. comprises backfilling body (2) filled between outer wall tunnel lining (1) rock face cavity, wherein internally provided with vertical holes (3) at intervals along horizontal direction longitudinal direction, connecting plates (4) vertically spaced from (3).