拱肋倾角对中承式系杆拱桥弹性稳定的影响  

Influence of Arch Rib Obliquity on Elastic Stability of Half-through Tied Arch Bridge

作　　者：杨晓东[1] 

机构地区：[1]江苏省交通规划设计院,江苏南京211100

出　　处：《交通标准化》2010年第15期6-9,共4页Communications Standardization

摘　　要：对自平衡中承式系杆拱桥的弹性稳定性能及其求解方法的研究结果表明,无论在何种荷载作用下,结构的弹性稳定安全系数都随着拱肋内倾角度的增加而增大,随着拱肋外倾角度的增大而减小。The elastic stability of self-balancing half-through tied arch bridge and the correspond- solution are studied in the paper. The result shows that under the effect of any kind of load, elastic stability safety factor of structure will increase along with the increase of inward obliquity arch rib, deduce along with the increase of outward obliquity of arch rib.

关 键 词：拱肋倾角 中承式系杆拱桥 弹性稳定 影响 

分 类 号：U448.225[建筑科学—桥梁与隧道工程]