劣化拱轴线大跨石拱桥拱上建筑调载工序研究  

Adjusting Load Process of Spandrel Construction for Large-Span Stone Arch Bridge with Deteriorated Arch Axis

作　　者：周建庭[1] 邓智[1] 袁瑞[1] 蓝勇[1] 陈琦[1] 

机构地区：[1]重庆交通大学,重庆400074

出　　处：《重庆交通大学学报（自然科学版）》2010年第1期16-19,共4页Journal of Chongqing Jiaotong University(Natural Science)

基　　金：交通运输部西部交通建设科技项目(200731895041);重庆市杰出青年科技项目(CSTC;2008BA6038)

摘　　要：在分析附加内力对劣化拱轴线大跨度石拱桥内力影响的基础上,运用影响线加载法对拱上建筑进行分节段分步骤调整,通过Midas/Civil结构软件对调载工序进行验证,提出劣化拱轴线大跨度石拱桥拱上建筑合理调载工序。工程实践应用表明,所提出的劣化拱轴线大跨石拱桥拱上建筑调载工序是合理的、可行的。Basing on the analysis of additional internal forces influencing the long-span stone arch bridge with deteriorated arch axis, spandrel construction is adjusted in steps and segments by the influence line loading method. The adjusting load process is verified by Midas/Civil structure software, and the reasonable adjusting load process of spandrel construction for long-span stone arch bridge with deteriorated arch axis is proposed. In light of engineering practice, it is showed that the adjusting load process proposed is reasonable and feasible.

关 键 词：石拱桥 调载工序 拱轴线 拱上建筑 附加内力 

分 类 号：U445.71[建筑科学—桥梁与隧道工程]