Prefabricated girder in two halves and roof structure
    2.
    发明授权
    Prefabricated girder in two halves and roof structure 失效
    预制梁两半和屋顶结构

    公开(公告)号:US06581343B1

    公开(公告)日:2003-06-24

    申请号:US09806979

    申请日:2001-06-18

    申请人: Luigi Metelli

    发明人: Luigi Metelli

    IPC分类号: E04C320

    摘要: The invention concerns a girder in reinforced concrete that has a flat intrados (11) and a flat or sloping extrados (12), which consists of two symmetrical halves or girders (13, 14) with adjacent parts that meet in a plane mid-way (15), perpendicular to the intrados, and equipped, near the extrados (12), with connecting plates for bolting (16) and, near the intrados (11), with a joint device (17) that has bars which are parallel to the intrados.

    摘要翻译: 本发明涉及一种钢筋混凝土中的梁,其具有平坦的内部(11)和平坦或倾斜的外部(12),其由两个对称的半部或桁材(13,14)组成,相邻部分在中间的平面 (15),垂直于内部,并在附件(12)附近装有用于螺栓连接的连接板(16),并且在内部(11)附近具有连接装置(17),该连接装置具有平行于 intrados。