Wu Wenqing，Ye Jianshu，Ju Jinying，et al.Analysis on present situation and scheme of Express way bridge widening.Journal of China ＆ Foreign Highway，2007，27(8): 100-103．
[3]
李国豪，石洞.公路桥梁荷载横向分布计算[M].北京: 人民交 通出版社， 1984: 1-93．
[4]
Li Guohao，Shi Dong.Calculation of Load Lateral Distribution of Bridges [M].Beijing: China Communications Press，1984: 1-93．
[5]
姚玲森.桥梁工程[M].北京: 人民交通出版社， 1985: 100-148．
[6]
Yao Lingsen.Bridge Engineering [M].Beijing: China Communications Press，1985: 100-148．
[7]
王宗华.高速公路桥梁加宽拼接技术优化研究[D].西安: 长安 大学，2009．
[8]
Wang Zonghua.Study on Optimization of Highway Bridges Broaden Splicing Technology [D].Xi’an: Chang’an University，2009．
Fang Yihong.Analysis of key problems in bridge widening and reconstructions in expressway [J].Fujian Architecture ＆ Construction， 2009， 135(9): 129-131．
Fu Zhen，Wang Xuancang，Li Hongzhi，et al.Study on comparison of widening modes of expressway [C]/ / Proceedings of 6th International Conference of Transportation Professionals.Dalian: Dalian University of Technology Press，2006．
[13]
高小妮.拓宽后桥梁结构相互作用分析[D].西安: 长安大学， 2009．
[14]
Gao Xiaoni.Interaction Analysis of Widened Bridge Structure[D]． Xi’an: Chang’an University，2009．
Wu Wenyou，Wu Wenqing，Ye Jianshu.Study on some key problems of widened PC bridges[J].Journal of Highway and Transportation Ｒesearch and Development，2009(8): 19-21．
