基于北斗RTK定位技术的高速公路路基CFG桩施工质量控制
摘要：综合介绍了采用北斗RTK定位技术针对长螺旋管内泵压成桩工艺，进行高精度、全过程的高速公路路基CFG桩施工质量控制。通过垂直度监测、钻进速率监测、钻深监测、桩体混合料灌注量监测等过程监测方式，达到提升桩基施工质量的目的。
关键词：道路工程高速公路路基水泥粉煤灰碎石桩信息化监测北斗RTK定位质量控制
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参考文献[1] 丛犁，杜秋实，窦增，等．基于北斗RTK技术的电力铁塔变形监测技术研究[J]．电力信息与通信技术，2015(12):24-29.
[2] 莫文晖．GNSS-RTK打桩引导系统的设计与数据分析研究[D]．广州:华南理工大学，2016.
[3] 尹文谦．CFG桩施工常见问题成因分析及预防措施[J]．山西建筑，2007,33(13):129-130.
[4] CHUAN-RU Z. Construction technology and quality control of CFG pile construction by long spiral drilling rig[J]. Construction&design for engineering,2018.
[5] DENG L. CFG pile based soft foundation treatment[J]. Applied mechanics&materials,2014(484-485):790-795.
[6] 吴棣，张波，敬成，等．基于数据分析的RTK技术在工程控制测量中的应用[J]．施工技术，2020,49(24):76-79.
[2] 莫文晖．GNSS-RTK打桩引导系统的设计与数据分析研究[D]．广州:华南理工大学，2016.
[3] 尹文谦．CFG桩施工常见问题成因分析及预防措施[J]．山西建筑，2007,33(13):129-130.
[4] CHUAN-RU Z. Construction technology and quality control of CFG pile construction by long spiral drilling rig[J]. Construction&design for engineering,2018.
[5] DENG L. CFG pile based soft foundation treatment[J]. Applied mechanics&materials,2014(484-485):790-795.
[6] 吴棣，张波，敬成，等．基于数据分析的RTK技术在工程控制测量中的应用[J]．施工技术，2020,49(24):76-79.
CFG Pile Construction Quality Control for Expressway Subgrade Based on Beidou RTK Positioning Technology
Abstract: This paper comprehensively introduces the application of Beidou RTK positioning technology in the construction quality control of CFG pile in expressway subgrade with high precision and whole process,aiming at the pile forming technology of pump pressure in long spiral pipe. Through verticality monitoring,drilling rate monitoring,drilling depth monitoring,pile mixture grouting monitoring and other process monitoring methods,the purpose of improving the quality of pile foundation construction is achieved.
Keywords: roads; expressway; subgrade; cement fly-ash gravel(CFG) piles; information; monitoring; Beidou RTK positioning; quality control
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