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    • 10. 发明申请
    • Corrosion-free bridge system
    • 无腐蚀桥梁系统
    • US20040216249A1
    • 2004-11-04
    • US10833029
    • 2004-04-28
    • Mamdouh M. El-Badry
    • E01D021/00
    • E01D2/02E01D6/00E01D19/125E01D2101/264E01D2101/266E01D2101/285E01D2101/40
    • The present invention relates to a system of short- and medium-spans for bridges and other structures. The bridge superstructure is built mainly from components that are not vulnerable to corrosion. It consists of precast prestressed concrete truss girders and a concrete deck. The girders have top and bottom concrete bulbs (i.e. flanges) connected by precast vertical and diagonal truss members made of corrosion-resistant metallic or non-metallic tubes filled with concrete. The deck can be a cast-in-situ reinforced concrete slab or an assembly of precast concrete panels tied together by longitudinal with or without transverse prestressing tendons. The reinforcement in the slab can be fibre reinforced polymer (FRP) bars and/or corrosion-resistant steel bars. The term corrosion-resistant metal or steel means a product that has delayed corrosion properties.
    • 本发明涉及一种用于桥梁和其他结构的短距离和中跨的系统。 桥梁上部结构主要由不易受腐蚀的部件构成。 它由预制预应力混凝土桁架梁和混凝土甲板组成。 大梁具有通过由耐腐蚀金属或非金属管填充混凝土制成的预制垂直和对角桁架构件连接的顶部和底部混凝土球(即法兰)。 甲板可以是现浇钢筋混凝土板或预制混凝土板的组合,纵向具有或不具有横向预应力筋连接在一起。 板坯中的钢筋可以是纤维增强聚合物(FRP)棒和/或耐腐蚀钢筋。 术语“耐腐蚀金属或钢”是指具有延迟腐蚀性能的产品。