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循环剪切作用对格栅与砂土界面剪切特性的影响

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Keywords: 道路工程,筋土界面,直剪试验,界面特性,循环剪切

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Abstract:

?为了研究循环剪切作用对砂土与土工格栅界面剪切特性的影响,采用单调直剪试验与循环剪切后单调直剪试验,研究了竖向应力、循环剪切位移幅值等因素对筋土界面剪切强度和剪切体变特性的影响,并对比分析了单调直剪试验和循环剪切后单调直剪试验的结果.结果表明:在一定的循环剪切位移幅值内,界面剪应力峰值随着剪切幅值的增加而增长;循环剪切作用使得筋土界面的似粘聚力和摩擦角有一定程度的提高;循环剪切后单调直剪试验所得界面峰值剪切强度和残余剪切强度明显高于单调直剪试验结果.

References

[1]  凌天清,周滨,吴春波,等.筋土界面摩擦特性影响因素分析[J].交通运输工程学报,2009,9(5):7-12. LING Tian-qing,ZHOU Bin,WU Chun-bo,et al.Study of Influence Factors on Tendons-soil Interface Characteristic[J].Journal of Traffic and Transportation Engineering,2009,9(5):7-12.
[2]  李冬雪,邓卫东,葛娟.考虑土工格栅蠕变的加筋路堤变形分析[J].长安大学学报:自然科学版,2011,31(5):23-27. LI Dong-xue,DENG Wei-dong,GE Juan.Deformation Analysis on Reinforced Embankment Taking into Account of Creep of Geogrid[J].Journal of Chang'an University:Natural Science Edition,2011,31(5):23-27.
[3]  LIU C N,ZORNBERG J G,CHEN T C,et al.Behavior of Geogrid-sand Interface in Direct Shear Mode[J].Journal of Geotechnical and Geoenvironmental Engineering,2009,135(12):1863-1871.
[4]  徐超,孟凡祥.剪切速率和材料特性对筋-土界面抗剪强度的影响[J].岩土力学,2010,31(10):3101-3106. XU Chao,MENG Fan-xiang.Effects of Shear Rate and Material Properties on Shear Strength of Geosynthetic-soil Interface [J].Rock and Soil Mechanics,2010,31(10):3101-3106.
[5]  刘文白,周健.土工格栅与土界面作用特性试验研究[J].岩土力学,2009,30(4):965-970. LIU Wen-bai,ZHOU Jian.Experimental Research on Interface Friction of Geogrid and Soil[J].Rock and Soil Mechanics,2009,30(4):965-970.
[6]  KHOURY C N,MILLER G A,HATAMI K.Unsaturated Soil Geotextile Interface Behavior[J].Geotextiles and Geomembranes,2011,29(1):17-28.
[7]  ANUBHAV,BASUDHAR P K.Modeling of Soil-woven Geotextile Interface Behavior from Direct Shear Test Results[J].Geotextiles and Geomembranes,2010,28(4):403-408.
[8]  LEE K M,MANJUNATH V R.Soil-geotextile Interface Friction by Direct Shear Test[J].Canadian Geotechnical Journal,2000,37(1):238-252.
[9]  BERGADO D T,RAMANA G V,SIA H I,et al.Evaluation of Interface Shear Strength of Composite Liner System and Stability Analysis for a Landfill Lining System in Thailand[J].Geotextiles and Geomembranes,2006,24(2):371-393.
[10]  张嘎,张建民.循环荷载作用下粗粒土与结构接触面变形特行的试验研究[J].岩土工程学报,2004,26(2):254-258. ZHANG Ga,ZHANG Jian-min.Experimental Study of Cyclic Behavior of Interface Between Soil and Structure[J].Chinese Journal of Geotechnical Engineering,2004,26(2):254-258.
[11]  冯大阔,张建民.循环直剪条件下粗粒土与结构接触面颗粒破碎研究[J].岩土工程学报,2012,34(4):767-773. FENG Da-kuo,ZHANG Jian-min.Particle Breakage of Gravel-structure Interface Under Cyclic Shear[J].Chinese Journal of Geotechnical Engineering,2012,34(4):767-773.
[12]  MORTARA G,MANGIOLA A,GHIONNA V N.Cyclic Shear Stress Degradation and Post-cyclic Behaviour from Sand-steel Interface Direct Shear Tests[J]. Canadian Geotechnical Journal,2007,44(7):739-752.
[13]  NYE C J,FOX P J.Dynamic Shear Behavior of a Needle-punched Geosynthetic Clay Liner [J]. Journal of Geotechnical and Geoenvironmental Engineering,2007,133(8):973-983.
[14]  FOX P J,ROSS J D,SURA J M,et al.Geomembrane Damage Due to Static and Cyclic Shearing over Compacted Gravelly Sand [J].Geosynthetics International,2011,18(5):272-279.
[15]  VIEIRA C S,LOPES M L,CALDEIRA L M.Sand-geotextile Interface Characterisation Through Monotonic and Cyclic Direct Shear Tests [J].Geosynthetics International,2013,20(1):26-38.
[16]  徐超,陈洪帅,石志龙,等.筋-土界面力学特性的水平循环剪切试验研究[J].岩土力学,2013,34(6): 1553-1559. XU Chao,CHEN Hong-shuai,SHI Zhi-long,et al. Research on the Mechanical Behavior of Soil-reinforcement Interface by Horizontal Cyclic Shear Test[J].Rock and Soil Mechanics,2013,34(6):1553-1559.

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