Study on computing model for the bearing capacity of the stone arch bridge strengthened by composite main arch circle method

Journal of Chongqing Jiaotong University(Natural Science) ›› 2006, Vol. 25 ›› Issue (增刊1): 16-18.

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Study on computing model for the bearing capacity of the stone arch bridge strengthened by composite main arch circle method

PANG Guo-dong¹，ZHOU Jian-ring¹，LI Yue-ju²

1.Chongqing Jiaotong University，Chongqing 400074，China； 2.Research Institute of Communications of Hunan Province,Changsha 410004，China

Received:2006-04-29 Online:2006-07-15 Published:2015-05-18

复合主拱圈加固石拱桥的承载力计算模式研究

庞国栋¹，周建廷¹，李跃军²

1.重庆交通大学，重庆 400074；2.湖南省交通科学研究院，湖南长沙 410015

作者简介:庞国栋(1981—)，男，山西朔州人，硕士生，主要从事桥梁加固方面的研究．
基金资助:
重庆市重大科技攻关项目(CSTC2005AA6010)；交通部西部交通建设科技项目(200431878518)资助

Abstract

Abstract: Based on the twice-force state ofthe strengthened structure and the mechanical properties of new-old materials，the ultimate state of the main arch circle strengthened by composite main arch circle of the stone arch bridge method is analysed．And the computing model for the bearing capacity ofthe strengthened stone arch bridge in the principle ofthe structure ultimate state is figured out，which is available for reference to the engineering design．

Key words: composite main arch circle method , stone arch bridge, ultimate strain, bearing capacity

摘要： 在分析复合主拱圈技术加固石拱桥后主拱圈极限状态的过程中，考虑了加固结构二次受力的特点和新旧结构不同材料的力学性能，按照承载能力极限状态计算原则推导出了加固后石拱桥的承载力计算模式，以供加固设计时参考。

关键词: 复合主拱圈, 石拱桥, 极限应变, 承载力

CLC Number:

U448.32

PANG Guo-dong，ZHOU Jian-ring，LI Yue-ju. Study on computing model for the bearing capacity of the stone arch bridge strengthened by composite main arch circle method[J]. Journal of Chongqing Jiaotong University(Natural Science), 2006, 25(增刊1): 16-18.

庞国栋，周建廷，李跃军. 复合主拱圈加固石拱桥的承载力计算模式研究[J]. 重庆交通大学学报（自然科学版）, 2006, 25(增刊1): 16-18.

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Study on computing model for the bearing capacity of the stone arch bridge strengthened by composite main arch circle method

复合主拱圈加固石拱桥的承载力计算模式研究

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