期刊文献+

基于离散单元法岩石单颗粒压缩破碎研究

下载PDF
导出
摘要 基于离散单元法软件PFC^(2D),将粒径为0.075~0.1245mm的基本粒子捆绑成不同粒径的岩石颗粒,模拟岩石单颗粒压缩破碎试验的应力-应变关系,观察颗粒破碎演化过程,统计单颗粒破碎强度。建立了单颗粒破碎强度的分形模型,推出单颗粒破碎强度公式,并与离散单元数值试验结果进行对比,两者吻合程度很高。模拟不同孔隙率的岩石颗粒压缩破碎试验,结果表明,岩石单颗粒破碎分布的分维随着孔隙率的减小而增大。
作者 褚飞飞
出处 《低温建筑技术》 2016年第7期109-111,共3页 Low Temperature Architecture Technology
基金 安徽省高校自然科学研究重点项目(编号:KJ2016A621)
  • 相关文献

参考文献10

  • 1Mc Dowell G R,Bolton M D.Effect of particle size distribution on pile tip resistance in calcareous sand in the geotechnical centrifuge[J].Granular Matter,2000,(2):179-187.
  • 2徐永福,王益栋,奚悦,褚飞飞.岩石颗粒破碎的尺寸效应[J].工程地质学报,2014,22(6):1023-1027. 被引量:15
  • 3Steacy SJ,Sammis CG.An automaton for fractal patterns of fragmentation[J].Nature,1991,360:250-252.
  • 4Hagerty MM,Hite DR,Ullrich CR,Hagerty DJ.One-dimensional high-pressure compression of granular media[J].J.Geotech.Eng.,1993,119(1):1-18.
  • 5王勇,胡勇,范卫琴.基于离散单元法的裂隙岩体渗流应力耦合分析[J].水文地质工程地质,2009,36(1):44-47. 被引量:7
  • 6Ueda T,Matsushima T,Yamada Y.DEM simulation on the one-dimensional compression behavior of various shaped crushable granular materials[J].Granular Matter,2013,15:675-684.
  • 7Jiang M J,Yu H S,Harris D.Bond rolling resistance and its effect on yielding of bonded granulates by DEM analyses[J].International Journal for Numerical and Analytical Methods in Geomechanics,2006,30(8):723-761.
  • 8高彦斌,王江锋,叶观宝,李伟,徐超.粘性土各向异性特性的PFC数值模拟[J].工程地质学报,2009,17(5):638-642. 被引量:10
  • 9Harireche O,Mc Dowell GR.Discrete element modeling of cyclic loading of crushable aggregates[J].Granul.Matter,2003,(5):147-151.
  • 10Lobo-Guerrero S,Vallejo L E.Modeling granular crushing in ring shear tests:experimental and numerical analyses[J].Soils Found.,2006,46(2):147-157.

二级参考文献30

  • 1周健,苏燕,池永.颗粒流模拟土的工程特性(英文)[J].岩土工程学报,2006,28(3):390-396. 被引量:26
  • 2Oda M. An equivalent continuum model for coupled stress and fluid flow analysis in jointed rock masses [ J ]. Water Resources Research, 1986 (13) : 151 - 156.
  • 3UDEC (Universal Distinct Element Code) Version 3.0 [M]. Itasca Consulting Group Inc, 1996.
  • 4Alcott J M, Kaiser P K, Simmer B P. Use of micro seismic source parameters for rock burst hazard assessment [ J ]. Pure Apply Geophys, 1998, ( 153 ) :41 - 65.
  • 5Cundall, P. A. , Strack, O. D. L.. BALL program to model granular media using the distinct element method. Technical Note. Advanced Technology Group , Dame sand Moore, London, 1978.
  • 6魏道垛 胡中雄.上海浅层地基土的前期固结压力及其有关压缩性参数的试验研究.岩土工程学报,1980,2(4):13-22.
  • 7仵彦卿.岩体水力学基础(四)──岩体渗流场与应力场耦合的等效连续介质模型[J].水文地质工程地质,1997,24(3):10-14. 被引量:11
  • 8Lade P V,Yamamuro J A.Significance of particle crushing in granular materials[J]. Journal of Geotechnical Engineering, 1996, 122 (4): 309-316.
  • 9Alaei E,Mahboubi A.A discrete model for simulating shear strength and deformation behaviour of rockfill material, considering the particle breakage phenomenon[J]. Granular Matter, 2012, 14 (6): 707-717.
  • 10Fukumoto T.Particle breakage characteristics of granular soils[J]. Soils and Foundations, 1992, 32 (1): 26-40.

共引文献29

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部