作者: Liu Peng , Li Wei , Zhang Dongqing , Wang Hongchao , Ran Qianxian
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摘要: The invention discloses a large-sized hollow concrete structure for refilling large-scale cavity. On the premise that safe and reliable is guaranteed, consumption can be reduced to greatest extent. cavity comprises body (2) which filled between outer wall of tunnel lining (1) rock Vertical holes (3) are formed at intervals in transverse direction longitudinal direction, connecting plates (4) vertically arranged with vertical (3).