Abstract : based on the concept of being serviceable at both peacetime andwartime and existing research achievements , the paper puts forward general programme , mechanical model and computational method for the railway bateau bridge across yangtze river , which can meet the navigation requirements , obtain high degree of attack - resistance and be extensively used 文摘:基于平战结合的思想,立足于现有的成果,提出了能满足长江通航要求,具备良好的抗打击性和可以广泛应用的长江铁路浮桥总体方案、力学模型和计算方法。