高墩大跨度连续刚构桥稳定分析-桥梁与隧道工程专业论文.docxVIP

High Piers in the Stability Analysis of Long Span Continuous Rigid Frame by LI Guoan B．E．( M．S．(   长沙理工大学 学位论文原创性声明 本人郑重声明：所呈交的论文是本人在导师的指导下独立进行研究所取得的 研究成果。除了文中特别加以标注引用的内容外，本论文不包含任何其他个人或 集体已经发表或撰写的成果作品。对本文的研究做出重要贡献的个人和集体，均 已在文中以明确方式标明。本人完全意识到本声明的法律后果由本人承担。 厂弋， 作者签 姚暂 日期：Vl o年r月磁El 学位论文版权使用授权书 本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保 留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借 阅。本人授权长沙理工大学可以将本学位论文的全部或部分内容编入有关数据库 进行检索，可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。同时 授权中国科学技术信息研究所将本论文收录到《中国学位论文全文数据库》，并 通过网络向社会公众提供信息服务。 本学位论文属于 l、必威体育官网网址口，在 年解密后适用本授权书。 2、不必威体育官网网址团。 (请在以上相应方框内打“4) 作粼：力、诅台隰伽年f月万日 别谧径强毫弋 醐Ⅳ¨¨聃日   摘要   AB STRACT Our country roads have entered the vigorous development stage，the bridge construction also appeared unprecedented upsurge period．Because Chinas vast and complex geological conditions，across the mountains and hills highways in the area,a lot of high piers of long—span Bridges have been built，continuous rigid frame is USES more of the bridge．High piers of long span continuous rigid frame cantilever construction,because generally adopted in construction condition iS complex，and less constrained construction of bfidge structure，SO the stability is very important．This paper QingXi to guizhou province highway Was on goose wings s．色for engineering background，to bridge of long span continuous rigid frame high piers on the stability analysis and study of the main analysis content and work are as follows： 1、With autologous stability studies：the piers of goose wings bridge pier as research object,by energy method based on different forms for different outside wall slope，different height of the bridge are analyzed and compared，the paper discussed the different external conditions requirements take the most appropriate form of the influence of the piers rightness stability． 2、111e T structure construction to maximum cantilever condition,based on linear elastic theory,埘m large deflection theory，linear stability theory，analyzes the under wind load constitutive T，hang blue suddenly drop，pillar top fact