兰州工业学院学报
蘭州工業學院學報
란주공업학원학보
Journal of Lanzhou Institute of Technology
2015年
1期
38-41
,共4页
下承式系杆拱桥%有限元理论%ANSYS%拱脚
下承式繫桿拱橋%有限元理論%ANSYS%拱腳
하승식계간공교%유한원이론%ANSYS%공각
tied arch bridge%finite element theory%ANSYS%arch foot
下承式系杆拱桥将梁、拱两种结构有机结合，以其受力合理、刚度大、造型优美而受到桥梁界的普遍欢迎。以广西沿海铁路扩能改造工程钦江特大桥主桥128 m钢管混凝土系杆拱桥为背景展开研究，利用ANSYS实体单元对拱脚局部应力进行有限元分析，得出钦江拱脚结构整体上受力合理，最后提出了设计施工时可适当沿着拱脚表面对拱脚进行加强等一些有用的建议。
下承式繫桿拱橋將樑、拱兩種結構有機結閤，以其受力閤理、剛度大、造型優美而受到橋樑界的普遍歡迎。以廣西沿海鐵路擴能改造工程欽江特大橋主橋128 m鋼管混凝土繫桿拱橋為揹景展開研究，利用ANSYS實體單元對拱腳跼部應力進行有限元分析，得齣欽江拱腳結構整體上受力閤理，最後提齣瞭設計施工時可適噹沿著拱腳錶麵對拱腳進行加彊等一些有用的建議。
하승식계간공교장량、공량충결구유궤결합，이기수력합리、강도대、조형우미이수도교량계적보편환영。이엄서연해철로확능개조공정흠강특대교주교128 m강관혼응토계간공교위배경전개연구，이용ANSYS실체단원대공각국부응력진행유한원분석，득출흠강공각결구정체상수력합리，최후제출료설계시공시가괄당연착공각표면대공각진행가강등일사유용적건의。
Tied arch bridge, which combines both advantages of the beam and arch, is well known for its reason-able mechanical properties, good stiffness and elegant appearance.This paper mainly studies Qinjiang extra-large bridge, whose main span is steel tube concrete tied arch bridge and the span is 128m, in the expansion project of Guangxi coastal railway.The local stress analysis of arch foot is analyzed by using ANSYS entity unit to get the conclusion that the whole stress of arch foot is reasonable.Finally, some suggestions such as appropriately strengthening the arch foot along the surface of the arch foot, are presented.
