含超径颗粒土石混合体的大型三轴剪切试验研究

doi:10.13722/j.cnki.jrme.2016.1638

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Abstract To investigate the mechanical response of soil rock mixtures(SRM) with the oversized blocks，large-scale triaxial shear consolidated undrained(CU) tests under different confining pressures were conducted on the unconventional sample of soil rock mixtures with the volumetric block proportions(VBP) of 25%，35% respectively. The results showed that the volumetric change was still observed under the condition of undrained tests for the soil rock mixtures with the oversized blocks. The volumetric strain of soil rock mixtures with the volumetric block proportion of 35% showed the characteristics of shear contraction at the initial stage，the shear dilatation，the secondary shear contraction，and the shear dilatation once again at the higher confining pressures. The curves of the deviator stress against the axial strain are smooth under the volumetric block proportion of 25%. However the curves of the deviator stress against the axial strain have the zigzag shape under the volumetric block proportion of 35%. The jump phenomena of the stress，volumetric strain and pore water pressure were exhibited.

Key words： soil mechanics soil rock mixtures oversized particles large-scale triaxial shear test volumetric block proportions volumetric strain jump phenomena

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	Articles by authors
	XIA Jiaguo1
	2
	HU Ruilin1
	QI Shengwen1
	GAO Wei1
	SUI Haoyue1
	2

Cite this article:

XIA Jiaguo1,2,HU Ruilin1, et al. Large-scale triaxial shear testing of soil rock mixtures containing oversized particles[J]. , 2017, 36(8): 2031-2039.

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http://www.rockmech.org/EN/10.13722/j.cnki.jrme.2016.1638 OR http://www.rockmech.org/EN/Y2017/V36/I8/2031

[5]	MEDLEY E W. Estimating block size distributions of mélanges and similar block-in-matrix rocks(bimrocks)[C]// Proceedings of the 5th North American Rock Mechanics Symposium. [S.l.]：[s.n.]，2002：599-606. " target="_blank">
[1]	MEDLEY E W. The engineering characterization of melanges and similar block-in-matrix rocks(bimrocks)[Ph. D. Thesis][D]. California，Berkeley：University of California，1994. " target="_blank">
[6]	INDRARATNA B，WIJEWARDENA L S，BALASUBRAMANIAM A S. Large-scale triaxial testing of grey wacke rockfill[J]. Geotechnique，1993，43(1)：37-51. " target="_blank">
[28]	李广信. 高等土力学[M]. 北京：清华大学出版社，2004：119-120.(LI Guangxin. Advanced soil mechanics[M]. Beijing：Tsinghua University Press，2004：119-120.(in Chinese)) " target="_blank">
[30]	CHARLES J A. Laboratory shear strength tests and the stability of rockfill slopes，in advances in rockfill structures[M]. Berlin：Springer Netherlands，1991：53-72. " target="_blank">
[8]	LIU H L，DENG A，SHEN Y. Shear behavior of coarse aggregates for dam construction under varied stress paths[J]. Water Science and Engineering，2008，1(1)：63-77. " target="_blank">
[12]	李晓，廖秋林，赫建明，等. 土石混合体力学特性的原位试验研究[J]. 岩石力学与工程学报，2007，26(12)：2 377-2 384.(LI Xiao，LIAO Qiulin，HE Jianming，et al. Study on in-situ tests of mechanical characteristics on soil-rock aggregate[J]. Chinese Journal of Rock Mechanics and Engineering，2007，26(12)：2 377-2 384.(in Chinese))
[11]	油新华，汤劲松. 土石混合体野外水平推剪试验研究[J]. 岩石力学与工程学报，2002，21(10)：1 537-1 540.(YOU Xinhua，TANG Jinsong. Research on horizontal push-shear in-situ test of soil and rock mixture[J]. Chinese Journal of Rock Mechanics and Engineering，2002，21(10)：1 537-1 540.(in Chinese))
[14]	郭庆国. 略论粗粒土三轴剪试验的类型与应用[J]. 大坝观测与土工测试，1981，1(2)：45-50.(GUO Qingguo. Brief essay on type and application of triaxial shear test of the coarse-grained soil[J]. Dam Observation and Geotechnical Tests，1981，1(2)：45-50.(in Chinese))
[17]	YAGIZ S. Brief note on the influence of shape and percentage of gravel on the shear strength of sand and gravel mixtures[J]. Bulletin of Engineering Geology and the Environment，2001，60(4)：321-323.
[22]	郭庆国. 粗粒土的工程特性及应用[M]. 郑州：黄河水利出版社，1998：217-218.(GUO Qingguo. Engineering properties and applications of coarse grained soil[M]. Zhengzhou：The Yellow River Conservancy Press，1998：217-218.(in Chinese)) " target="_blank">
[25]	范永波，李世海，侯岳峰，等. 不同边界条件下土石混合体破坏机制研究[J]. 水文地质工程地质，2013，40(3)：48-51.(FAN Yongbo，LI Shihai，HOU Yuefeng，et al. Study on the failure mechanism of soil rock mixtures under different boundary conditions[J]. Hydrogeology and Engineering Geology，2013，40(3)：48-51.(in Chinese))
[26]	徐文杰. 土石混合体细观结构力学及其边坡稳定性研究[博士学位论文][D]. 北京：中国科学院地质与地球物理研究所，2008.(XU Wenjie. Study on meso-structureal mechanics(M-SM) of soil-rock mixtures(S-RM) and its slope stability[Ph. D. Thesis][D]. Beijing：Institute of Geology and Geophysics，Chinese Academy of Sciences，2008.(in Chinese)) " target="_blank">
[3]	王宇，李晓，赫建明，等. 土石混合体细观特性研究现状及展望[J]. 工程地质学报，2014，22(1)：112-123.(WANG Yu，LI Xiao，HE Jianming，et al. Research status and prospect of rock and soil aggregate[J]. Journal of Engineering Geology，2014，22(1)：112-123.(in Chinese))
[9]	INDRARATNA B，IONESCU D，CHRISTIE H D. Shear behavior of railway ballast based on large-scale triaxial tests[J]. Journal of Geotechnical and Geoenvironmental Engineering，1998，124(5)：439-449. " target="_blank">
[10]	陈静，李邵军，孟凡震，等. 三峡库区滑坡土石混合体与桩的接触面力学特性试验研究[J]. 岩石力学与工程学报，2011，30(增1)：2 888-2 895.(CHEN Jing，LI Shaojun，MENG Fanzhen，et al. Experimental study of mechanical properties of interface between pile and macadam soil in accumulative landslide in three gorges reservoir area[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(Supp.1)：2 888-2 895.(in Chinese))
[15]	MARACHI N D，CHAN C K，SEED H B. Evaluation of properties of rockfill materials[J]. Journal of Soil Mechanics and Foundations Division，1972，97(1)：95-114. " target="_blank">
[19]	VALLEJO L，SEBASTIAN L G. The shear strength of granular materials containing dispersed oversized particles：DEM analysis[J]. International Journal of Geotechnical Engineering，2012，6(3)：371-380. " target="_blank">
[13]	程展林，丁红顺. 论堆石料力学试验中的不确定性[J]. 岩土工程学报，2005，27(10)：1 222-1 225.(CHENG Zhanlin，DING Hongshun. Research on indeterminacy of rockfill test result[J]. Chinese Journal of Geotechnical Engineering，2005，27(10)：1 222-1 225.(in Chinese))
[16]	孙华飞，鞠杨，王晓斐，等. 土石混合体变形破坏及细观机制研究的进展[J]. 中国科学：技术科学，2014，44(2)：172-181.(SUN Huafei，JU Yang，WANG Xiaofei，et al. Review of the study on deformation，failure and the mesomechanisms of rock-soil mixture(RSM)[J]. Science China Technical Science，2014，44(2)：172-181.(in Chinese))
[18]	FRAGASZY R J，SU W Z，SIDDIQI F H. Effects of oversize particles on the density of clean granular soils[J]. Geotechnical Testing Journal，1990，13(2)：106-114. " target="_blank">
[27]	中华人民共和国国家标准编写组. GB/T 50123—1999土工试验方法标准规范[S]. 北京：中国计划出版社，1999.(The National Standards Compilation Group of People?s Republic of China. GB/T 50123—1999 Standard for soil test method[S]. Beijing：China Planning Press，1999.(in Chinese)) " target="_blank">
[4]	MEDLEY E V，LINDQUIST E S. The engineering significance of the scale-independence of some Franciscan Melanges in California USA[C]// The 35th US Symposium on Rock Mechanics(USRMS). [S.l.]：[s.n.]，1995：907-914. " target="_blank">
[20]	GUTH E. Theory of filler reinforcement[J]. Journal of Applied Physics，1945，16(1)：20-25. " target="_blank">
[23]	欧阳振华，李世海，戴志胜. 块石对土石混合体力学性能的影响研究[J]. 实验力学，2010，25(1)：61-67.(OUYANG Zhenhua，LI Shihai，DAI Zhisheng. study on the influence of block to the mechanism of soil rock mixtures[J]. Journal of Experimental Mechanics，2010，25(1)：61-67.(in Chinese))
[2]	徐文杰，胡瑞林，岳中琦，等. 土石混合体细观结构及力学特性数值模拟研究[J]. 岩石力学与工程学报，2007，26(2)：300-311.(XU Wenjie，HU Ruilin，YUE Zhongqi，et al. Meso-structural character and numerical simulation of mechanical properties of soil-rock mixtures[J]. Chinese Journal of Rock Mechanics and Engineering，2007，26(2)：300-311.(in Chinese))
[7]	陈晓斌. 红砂岩粗粒土剪胀效应大型三轴试验研究[J]. 岩石力学与工程学报，2010，29(增1)：3 145-3 149.(CHEN Xiaobin. Study of dilatancy effect of Redstone coarse grained soil by large-scale triaxial tests[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(Supp.1)：3 145-3 149.(in Chinese))
[29]	迟明杰，赵成刚，李小军. 砂土剪胀机制的研究[J]. 土木工程学报，2009，42(3)：99-104.(CHI Mingjie，ZHAO Chenggang，LI Xiaojun. Stress-dilation mechanism of sands[J]. China Civil Engineering Journal，2009，42(3)：99-104.(in Chinese))
[21]	LEANNA S. The Shear strength of granular materials with dispersed and non-dispersed oversized particles[M. S. Thesis][D]. Pittsburgh：University of Pittsburgh，2013. " target="_blank">
[24]	孟祥跃，李世海，张均锋. 柔性边界加载试验机研制[J]. 岩石力学与工程学报，2004，23(10)：1 760-1 764.(MENG Xiangyue，LI Shihai，ZHANG Junfeng. Study and manufacture of flexible boundary loading testing machine[J]. Chinese Journal of Rock Mechanics and Engineering，2004，23(10)：1 760-1 764.(in Chinese))
[31]	徐文杰，胡瑞林，岳中琦，等. 基于数字图像分析及大型直剪试验的土石混合体块石含量与抗剪强度关系研究[J]. 岩石力学与工程学报，2008，27(5)：996-1 007.(XU Wenjie，HU Ruilin，YUE Zhongqi，et al. Research on relationship between rock block proportion and shear strength of soil-rock mixtures based on digital image analysis and large direct shear test[J]. Chinese Journal of Rock Mechanics and Engineering，2008，27(5)：996-1 007.(in Chinese))