大跨径悬索桥锚碇基础设计与计算发展综述

来源 :第二十届全国桥梁学术会议 | 被引量 : 0次 | 上传用户:lanbour156
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
锚碇是重要的承力部件,合理经济的锚碇基础可以提高特大跨悬索桥方案的竞争力.本文结合工程实例,归纳了地连墙、沉井、扩大基础等目前应用较多的几种锚碇基础形式的特性及应用,对锚碇基础设计时所需考虑的因素进行了分析,总结了基础计算的内容和方法,以期为同类工程提供有益的参考.特大跨悬索桥锚碇基础的选型及设计考虑的因素很多,除了上面所分析的各类基础的特性之外,还要考虑施工的难易性,经济的合理性,考虑对周边防洪、景观的影响等等。设计者在宏观把握的基础上还要灵活机动地进行方案的比较选择。
其他文献
  This is the second of two linked papers discussing the assessment and strengthening of Morshead Overpass,Burnley Viaduct,Yarra Bridge and Gardiners Creek Vi
会议
  In China,there are over 60 long-span trussed combination arch bridge constructed from 1981.But now about half of them are damaged to some degree after over
会议
  Modem slender structures are subjected to high stress ranges when subjected to live load,hence higher vulnerability to fatigue failure can be assumed.Struct
会议
  Structural elements composed by riveted angles and sheets exhibit over time dangerous distortions,provoked by the rust grown inside the interstices and to i
会议
  Concrete carbonation and rebar corrosion are two main processes accounting for the life cycle operational performance degradation for reinforced concrete (R
会议
  Long-span PC continuous rigid-frame bridge with high pier has many advantages as follows: high structure rigidity,lower negative moment in girder at pier to
会议
  Construction of cable-supported bridges using highstrength cables such as for cable-stayed bridges or suspension bridges is increasing,owing to the continuo
会议
  Tension forces of hanger ropes have been recognized and utilized as an important parameter for health monitoring of suspension bridges.Conventional vibratio
会议
  During construction of a cable stayed bridge or the similar structure,the stabilizing measures by temporary tied-down cables are generally used to resist st
会议
  Since the cable is one of primary structural elements in a cable stayed-bridge,the tension force of a cable in the bridge is very important parameter to be
会议