通过对国内外重载铁路轨道概况和发展趋势的简析,论述了对全长淬火75kg/m焊接长钢轨重载轨道结构应加速开发成套技术综合试验研究的紧迫性和可行性;阐述了完成该项综合试验研究工作预期应达到的目标及可能取得的技术经济效益;提出了对该项课题的研究思路、方法及内容的建议。 Through the analysis of the general situation and development trend of heavy rail track at home and abroad, the paper discusses the urgency and feasibility of the comprehensive test research on the complete set of technology of accelerating the development of heavy rail structure with 75kg / The goal of the comprehensive experimental research is expected to reach and the possible technical and economic benefits. The research ideas, methods and contents of the research are put forward.