考虑环境影响的超高墩空间姿态控制研究  

RESEARCH ON SPACE ATTITUDE CONTROL OF SUPER HIGH PIER CONSIDERING ENVIRONMENTAL IMPACT

作　　者：张亚冲 Zhang Ya-chong

机构地区：[1]中铁二十三局第六工程有限公司,重庆401121

出　　处：《建筑技术开发》2022年第21期169-171,共3页Building Technology Development

摘　　要：超高墩连续刚构桥具有跨越能力大、施工便捷、受力合理和行车平稳等优点,在西南部山区高速公路修建中应用越来越广泛,但因桥墩高度较高,在修建过程中易受到环境因素的影响,并且随着桥墩施工进程逐步推进,环境因素的影响也逐渐增大。基于此,以重庆西溪河大桥为实际工程背景,采用有限元仿真分析,研究了风荷载与日照温差对桥墩的影响,并对超高墩施工的质量控制进行了归纳总结,为今后同类桥梁设计、施工及相关研究提供了参考。The continuous rigid frame bridge with super-high pier has the advantages of large span capacity,smooth driving,reasonable stress,simple maintenance and so on.It is more and more widely used in the road traffic in western mountainous areas.However,the pier is greatly affected by environmental factors in the construction process,and the influence gradually increases with the increase of pier height.In this paper,based on the actual project,using finite element simulation analysis,the influence of wind load and sunshine temperature difference on pier is studied,and the quality control of super-high pier construction is summarized,which provides reference for the design,construction and related research of similar bridges in the future.

关 键 词：超高墩 风荷载 日照温差 垂直度 质量控制 

分 类 号：U448.23[建筑科学—桥梁与隧道工程]