Bridge or tunnel construction
    1.
    发明授权
    Bridge or tunnel construction 失效
    桥梁或隧道施工

    公开(公告)号:US5351353A

    公开(公告)日:1994-10-04

    申请号:US861257

    申请日:1992-03-31

    CPC classification number: E21D11/08 E02D29/045

    Abstract: A bridge or tunnel construction consisting of one or more arch units (10), each unit formed from a pair of reinforced concrete arch segments (11 and 12) interconnected to form the crown of the arch unit with the arch unit or units being overlaid with a compacted interacting soil layer.

    Abstract translation: 由一个或多个拱形单元(10)组成的桥梁或隧道结构,每个单元由一对互连以形成拱形单元的冠部的一对钢筋混凝土拱形段(11和12)形成,拱形单元被覆盖有 一个压实的相互作用的土层。

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