混合型悬索桥主梁钢混接合段的静力分析  

Static Analysis for Steel-concrete Composite Area in Main Beam of Composite Suspension Bridge

作　　者：陈玉骥[1] 罗旗帜[1,2] 

机构地区：[1]佛山科学技术学院土木工程系,广东佛山528000 [2]湖南大学土木工程学院,湖南长沙410082

出　　处：《公路工程》2017年第5期64-67,116,共5页Highway Engineering

基　　金：国家自然科学基金资助项目(50978058);广东省自然科学基金资助项目(S2011010005037)

摘　　要：钢混接合段是大跨度混合型桥梁的关键组成部分之一,其受力特征直接关系到桥梁结构的安全性。本文以平胜大桥为工程背景,通过全桥整体受力分析提供的边界条件,用ANSYS软件对混合型悬索桥主梁钢混凝土接合段主要部分的应力状态进行了分析。结果表明,该桥钢混凝土接合段的钢构件应力均未超过材料的屈服应力,混凝土应力也未超过其抗压强度;该接合段的设计是安全可靠的。The steel-concrete composite area is one of the key part in large span compositebridge. Its mechanics behavior has directly relation with the safety of bridge. Based on construction engi-neering of Pingsheng bridge , the stress states of main parts in steel-concretbeam of composite-beam suspension bridge were analyzed by means the boufrom total calculation for whole bridge with ANSYS soft. It is shoarea , the stress of steel is not more than its material yield stress , the concrete stress is not more than ttscompressive strength , which explains the steel-concrete composite area designed to be safe and reliable.

关 键 词：平胜大桥 混合梁 钢混接合段 应力 

分 类 号：U448.2[建筑科学—桥梁与隧道工程]