Abstract：Research purposes：The rise-span ratio of general arch bridge is about1/5, but Quanshui Bridge 4 is a seldom one with the rise-span ratio of 1/12 and plane curve radius of 500 m. Forensuring the structure design safety of the bridge and examining the feasibility of common-used plane finite elementmodel for this bridge, this paper testifies and analyzes the spatial mechanics characteristics of the bridge with the organic glassmodel and compares them with the spatial finite elementmodel.
Research conclusions：Based on analyzing the tested data and the result of theoretical analysis, it is concluded the attention should be paid to the effects of coupling bending-torsion on curved flat arch bridge and the flat arch bridge with larger curve radius can be analyzed by setting up plane finite elementmodel as long asmore attention is paid to the selection of some critical parameters.
黄海新；张 颖；刘 波；朱巍志. 曲线坦拱桥的模型试验研究[J]. 铁道工程学报, 2010, 27(1): 33-37.
HUANG Hai-xin, ZHANG Yin, LIU Bo, ZHU Wei-zhi. Experimental Research on the Model for Curved Flat Arch Bridge. 铁道工程学报, 2010, 27(1): 33-37.
Li Guanghui, Yu Zhengwu, Wang Yongzhong. Diseases of Curved Continuous Bridge and Temperature Effect[J]. Journal of Highway and Transportation Research and Development, 2008(1):58-63.
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Fan Yingfang, Zhou Jing, Zhang Xuezhi, etc. Static Experimental Study on Arch Bridge with Damaged Arch Ribs[J]. Journal of Wuhan University of Technology, 2008(3):75-78.
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2010, Vol. 27 
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