系统总结深圳地铁9号线全面提升轨道平顺性而研究实施的技术创新方案，主要包括：桁架双块式轨枕、高平顺地铁道岔及辊轮滑床板系统、预制钢弹簧浮置板、轨道基础控制网建设测量技术（CPⅢ）等，可为地铁轨道系统解决传统现浇钢弹簧浮置板的种种问题和不足提供技术储备，并大大提高轨道铺设精度和平顺性，降低后期运营部门养护维修量。

This article Systematically summarizes the technology innovation to Upgrade Track smoothness of Shenzhen Metro Line 9. There are: laying Truss double block type sleepers; using new smooth railroad switch and roller skating deck system; laying prefabricated floating slabs; use of rail-based building control network measurement techniques (CPⅢ) ,etc.

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