高速铁路预制箱梁智能化、高精度同步预应力张拉施工技术及质量控制

Intelligent and High-precision Synchronous Prestressed Tension Construction Technology and Quality Control of High-speed Rail Prefabricated Box Girder

对高速铁路预制箱梁制作时的预应力孔道张拉施工质量进行控制至关重要,其直接影响到桥梁在使用过程中的安全性和耐久性。结合雄商高铁临清制梁场预应力张拉施工,阐述了智能化、高精度同步预应力张拉施工技术的原理及特点,对施工要点进行了分析与探讨,根据验收标准,总结出相关经验,提出了相关注意事项,旨在提高高速铁路预制箱梁张拉施工的效率,保障张拉施工的质量,提高预制箱梁整体施工水平,保证高速铁路安全可靠运行。

In the prefabricated box girder of high-speed railway,the quality control of prestressed tension construction is very important,which directly affects the safety and durability of the bridge in the process of use.Combined with the prestressed tension construction of Xiongshang High-speed Railway,this paper introduces the principles and characteristics of intelligent and high-precision synchronous prestressed tension construction technology,analyzes and discusses the construction points,summarizes the acceptance criteria,and puts forward the relevant matters for attention.It has a good reference significance to improve the construction efficiency of high-speed railway box girder,ensure the quality of tension construction,improve the overall construction level of box girder,and ensure the safe and reliable operation of railway.