轻型悬索桥的调查与分析
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摘要
轻型悬索桥在我国的河谷山涧地区以及城市人行桥中应用较广泛,但对其结构设计特点尚未有较系统的总结。文中在大量收集国内已建轻型悬索桥资料的基础上,从桥跨、加劲梁以及主索等方面分析总结其设计特点,包括轻型悬索桥的适用跨径、桥跨布置特点,加劲梁的截面形式、高跨比,主索材料、垂跨比和锚固形式等。
Light suspension bridges were constructed widely at valley and mountain stream and pedestrian bridge in cities in our country.But at present,there is no system summary in the main structure design features of the bridge.In this paper,plenty information about light suspension bridges are collected.And the structure design features was analyzed and summarized from the span,stiffening girder,main cable and so on,which includes the reasonable span,the characteristic of bridge span,the section form of stiffening girder,the height-to-span ratio and the materials,the drag-span ratio and the anchorage form of main cable.
Light suspension bridges were constructed widely at valley and mountain stream and pedestrian bridge in cities in our country.But at present,there is no system summary in the main structure design features of the bridge.In this paper,plenty information about light suspension bridges are collected.And the structure design features was analyzed and summarized from the span,stiffening girder,main cable and so on,which includes the reasonable span,the characteristic of bridge span,the section form of stiffening girder,the height-to-span ratio and the materials,the drag-span ratio and the anchorage form of main cable.
引文
[1]铁道部大桥工程局桥梁科学研究所.悬索桥[M].北京:科学技术文献出版社,1996.
[2]陈宝春.肋板式钢筋砼悬索桥[J].福州大学学报:自然科学版,1996,24(S):301-304.
[3]林长川.混凝土悬索桥的适用性和合理形式[J].中国公路学报,1993(4):39-44.
[4]陆文发,金伟良.北大友谊桥设计简介[C]//中国土木工程学会市政工程专业委员会第一次城市桥梁学术会议论文集,北京:人民交通出版社,1987:68-70.
[5]彭大文,陈昀明.钢筋混凝土加劲桁架悬索桥的模态分析[J].地震工程与工程振动,2001,21(4):40-45.
[6]JOHN A O,DAVID O B.Self-anchored suspensionbridges.Journal of Bridge Engineering.1999,4(3):151-156.
[2]陈宝春.肋板式钢筋砼悬索桥[J].福州大学学报:自然科学版,1996,24(S):301-304.
[3]林长川.混凝土悬索桥的适用性和合理形式[J].中国公路学报,1993(4):39-44.
[4]陆文发,金伟良.北大友谊桥设计简介[C]//中国土木工程学会市政工程专业委员会第一次城市桥梁学术会议论文集,北京:人民交通出版社,1987:68-70.
[5]彭大文,陈昀明.钢筋混凝土加劲桁架悬索桥的模态分析[J].地震工程与工程振动,2001,21(4):40-45.
[6]JOHN A O,DAVID O B.Self-anchored suspensionbridges.Journal of Bridge Engineering.1999,4(3):151-156.
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