双线预应力混凝土连续梁桥竖向有载自振频率研究

任剑莹，李文平，苏木标

Study on Vertical Load- carrying Natural Frequency of Railway Doubletrack Pre- stressed Concrete Continuous Bridge

REN Jian- ying, LIW en- ping, SUMu- biao

铁道工程学报 . 2011, (1): 35 -38 .