【摘要】 研究目的:随着金属铝冶炼技术发展以及铝合金材料性能的不断提升,铝合金材料在桥梁工程中的应用越来越广泛。为了促进铝合金桥梁的应用,对铝合金桥梁的发展进程以及特性进行研究。研究方法:通过对国内外已建造的铝合金桥梁的结构介绍和使用情况分析,探讨铝合金桥梁的优、缺点。研究结论:虽然铝合金材料成本较高,但因其强度-重量比高、易于装配、耐久性好、养护费用低。通过合理设计,将具有良好的应用前景。更多还原

【Abstract】 Research purposes: With the development of smelting technology of aluminium and improvement of the performance of aluminium alloy materials,aluminium alloy materials have been used widely.The researches are done on the development progress and characteristics of aluminium alloy bridge for the purposes of promoting application of aluminium alloy bridge.Research methods:The exploration is made on the advantages and disadvantages of aluminium alloy bridge through making analyses of the structure and application situations of existing aluminium alloy bridges at home and abroad.Research conclusions:Although aluminium alloy materials need much investment,but it still has a bright applicable prospect because of its high strength-weight ratio,easy assembly, perfect durability and low maintenance cost.更多还原