【摘要】 简要介绍了国内外轻集料混凝土大跨径桥梁工程发展概况 ,分析其特点 ,提出轻集料混凝土在桥面工程和大跨径箱形截面的弓形悬臂桥梁中应用具有最好的技术经济效果。为改善其性能 ,建议采用次轻混凝土 (特定密度混凝土 ) ,效果良好 ,值得借鉴更多还原

【Abstract】 In this article, the author simply introduces domestic and foreign development of light weight aggregate concrete large span bridge engineering, analyzes its features, and states that application of light weight aggregate concrete in deck engineering and large span box-section bow-type cantilever bridges has the best technical and economic effects. To improve its performance, the author also advises to adopt sub-light weight concrete, specific density concrete. This method has good effects.更多还原