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三岔双向挤扩灌注桩在桥梁桩基中的试验研究

, PP. 80-85

Keywords: 桥梁工程,沉降,静载荷试验,DX桩,承载机理

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Abstract:

为了深入研究DX桩在桥梁桩基中的应用,通过对某桥梁桩基的现场静载荷试验,结合多种测试手段,对DX桩承载力进行判定;测定桩身各断面的轴力,进而研究侧阻、盘阻和端阻的发展情况,分析DX桩的荷载传递规律。结果表明,在相同桩径和桩长情况下,DX桩的承载力及沉降明显优于直孔桩;承力盘分担了较大比例的荷载,自上而下发挥,对桩身轴力有很大的削弱作用。这样的荷载传递模式不仅对于承载力的提高有很大的帮助,同时能够有效的控制沉降,提高单方混凝土的承载力,更加经济、节能和环保。

References

[1]  贺德新,沈保汉.DX桩挤扩装置及DX多节挤扩桩的应用[J].工艺建筑,2001,31 (1):27-31.HE Dexin,SHEN Baohan.DX Extruding Device and DX Pile with Multi-under-extruding Branches[J].Industrial Construction,2001,31 (1):27-31.
[2]  张德华,王梦恕.DX挤扩灌注桩技术在铁路桥梁工程中的应用[J].中国工程科学,2009,11 (7):92-96.ZHANG Dehua,WANG Mengshu.The Application of DX Rotary and Squeezed Pile on Railway Bridge Engineering[J].Engineering Sciences,2009,11 (7):92-96.
[3]  魏学军.DX挤扩灌注桩在公路桥梁基础中的应用技术简介[J].交通标准化,2008 (5):81-84.WEI Xuejun.Brief Introduction of Application Technology of DX Squeezing-enlarging-grouting Pile Used in Highway Bridge[J].Communications Standardization,2008 (5):81-84.
[4]  CHEN Lihong,TANG Songtao,WAN Fei.An Alternative Solution for Large Load Pile Foundations-DX Pile[C]//Key Technologies of Railway Engineering:The 1st International Conference on Railway Engineering.Beijing:China Railway Publishing House,2010:414-418.
[5]  TANG Songtao,CHEN Lihong.Field Test of DX Pile Group[C]// International Conference on Civil Engineering,Architecture and Building Materials,2011.Haikou:Trans Tech Publications,2451-2455.
[6]  陈立宏,唐松涛,贺德新.DX桩群桩现场试验研究[J].岩土力学,2011,32 (4):1003-1007.CHEN Lihong,TANG Songtao,HE Dexin.Field Test Study of DX Pile[J].Rock and Soil Mechanics,2011,32 (4):1003-1007.
[7]  陈轮,王海燕,沈保汉,等.DX桩承载力及其荷载传递特点的现场试验研究[J].工业建筑,2004,34(3):5-8.CHEN Lun,WANG Haiyan,SHEN Baohan,et al.Fullscale Test Study on Bearing Mechanism and Load Transmission Mode of DX Piles Cast-in-situ[J].Industrial Construction,2004,34 (3):5-8.
[8]  陈轮,王海燕,沈保汉.DX桩单位侧阻力和单位端阻力的现场试验研究[J].工业建筑,2004,34 (3):15-18.CHEN Lun,WANG Haiyan,SHEN Baohan.Full-scale Test Study on Unit Shaft Resistance and Unit End Resistance of DX Piles Cast-in-situ[J].Industrial Construction,2004,34 (3):15-18.
[9]  沈保汉.DX挤扩灌注桩及其竖向承载力的若干问题[J].工业建筑,2009,39 (8):84-95.SHEN Baohan.DX Pile and Its Several Problems of Vertical Bearing Capacities[J].Industrial Construction,2009,39 (8):84-95.
[10]  JGJ106-2003,建筑桩基检测技术规范[S].JGJ106-2003,Technical Code for Testing of Building Foundation Piles[S].
[11]  邓友生,龚维明,袁爱民.同场地DX桩与直孔桩的对比试验研究[J].湖北工业大学学报,2006,21(5):6-9.DENG Yousheng,GONG Weiming,YUAN Aimin.Comparative Experimental Study on DX Piles and Column Piles at the Same Site[J].Journal of Hubei University of Technology,2006,21 (5):6-9.
[12]  沈保汉.DX桩挤扩灌注桩的荷载传递特点[J].工业建筑,2008,38 (5):5-12.SHEN Baohan.The Characteristics of Load Transfer of DX Piles[J].Industrial Construction,2008,38(5):5-12.

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