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国家自然科学基金(50825901): 作品数：11被引量：68H指数：7; 导出分析报告; 相关作者：彭凯朱晟朱俊高冯树荣蔡昌光更多>>; 相关机构：河海大学中国水电工程顾问集团公司更多>>; 相关期刊：《河海大学学报（自然科学版）》《岩石力学与工程学报》《Science China(Technological Sciences)》《Journal of Central South University》更多>>; 相关主题：DILATANCYSTRENGTHCRITERIONMODELUNIFIED更多>>; 相关领域：建筑科学水利工程自动化与计算机技术农业科学更多>>

A constitutive model for the state-dependent behaviors of rockfill material considering particle breakage被引量：8: 《Science China(Technological Sciences)》2014年第8期1636-1646,共11页XIAO Yang LIU HanLong YANG Gui CHEN YuMin JIANG JingShan; supported by the National Natural Science Foundation for Distinguished Young Scholar(Grant No.50825901);the 111 Project(Grant No.B13024);the Program for Changjiang Scholars and Innovative Research Team in University(Grant No.IRT1125);the Project supported by the National Natural Science Foundation of China(Grant No.51379067);the Fundamental Research Funds for the Central Universities(Grant No.2011B14514); The particle breakage during specimen compaction had more significant influence on the position of the breakage critical-state line(BCSL)of Tacheng rockfill material(TRM)in the e-lnp’plane than the particle breakage ...; 关键词：rockfill material particle breakage critical state STRENGTH DILATANCY MODEL

考虑剪胀与软化的接触面弹塑性模型被引量：6: 《岩石力学与工程学报》2013年第S2期3979-3986,共8页彭凯朱俊高冯树荣蔡昌光朱晟; 水利部公益性行业科研专项经费项目(200801133);国家自然科学基金资助项目(50825901);"十一五"国家科技支撑计划课题(2008BAB29B02); 采用大型单剪仪进行粗粒料与混凝土接触面在混合土泥皮(膨润土中掺入水泥)条件下的剪切试验,揭示混合土泥皮条件下接触面的力学特性与机制。试验结果表明,存在混合土泥皮时,接触面表现出明显的剪胀及应力–应变软化现象。峰值强度以及...; 关键词：土力学单剪试验混合土泥皮广义位势理论本构模型

水泥土泥皮下土与结构接触面的单剪特性被引量：4: 《重庆大学学报（自然科学版）》2013年第8期127-135,共9页彭凯朱俊高冯树荣蔡昌光朱晟; 水利部公益性行业科研专项经费项目(200801133);中央高校基本科研业务费专项资助项目(2010B14814);国家自然科学基金资助项目(50825901); 采用大型单剪仪进行粗粒土与混凝土接触面在水泥土泥皮(粘土中掺入水泥)条件下的剪切试验,揭示泥皮条件下接触面的力学特性与机理。试验结果表明,峰值强度以及剪胀发生所对应的位置与法向应力大小有关,峰值强度所对应的剪应变滞后于产...; 关键词：接触面单剪试验水泥土泥皮剪胀颗粒流

New double yield surface model for coarse granular materials incorporating nonlinear unified failure criterion被引量：3: 《Journal of Central South University》2012年第11期3236-3243,共8页刘萌成刘汉龙高玉峰; Project(50825901)supported by the National Natural Science Foundation for Distinguished Young Scholar of China;Project(2009492011)supported by State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering,Nanjing Hydraulic Research Institute,China;Project(GH200903)supported by Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering(Hohai University),China;Project(Y1090151)supported by Natural Science Foundation of Zhejiang Province,China; A new double-yield-sarface （DYS） model was developed to characterize the strength and deformation behaviors of coarse granular materials （CGMs）. Two kinds of deformation mechanisms, including the shear and compres...; 关键词：constitutive model coarse granular material failure criterion DILATANCY yield surface

Modeling and behaviours of rockfill materials in three-dimensional stress space被引量：12: 《Science China(Technological Sciences)》2012年第10期2877-2892,共16页XIAO Yang LIU HanLong ZHU JunGao SHI WeiCheng; supported by the National Natural Science Foundation of China for Distinguished Young Scholar (Grant No. 50825901);the Public Service Sector R&D Project of Ministry of Water Resource of China(Grant No. 200801014);the Fundamental Research Funds for the Central Universities (Grant No. 2011B14514);Jiangsu Civil Engineering Graduate Center for Innovation and Academic Communication Foundation; A bounding surface model incorporating a unified nonlinear strength criterion is proposed.The proposed bounding surface model contains 9 model parameters,which can be determined from the conventional triaxial tests.Th...; 关键词：bounding surface STRENGTH STRESS-STRAIN three-dimensional stress constitutive model rockfill materials

An elasto-plastic constitutive model incorporating strain softening and dilatancy for interface thin-layer element and its verification被引量：1: 《Journal of Central South University》2012年第7期1988-1998,共11页彭凯朱俊高冯树荣王荣刘汉龙; Project(20110094110002) supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China;Project(200801014) supported by the Ministry of Water Resources of China;Project(50825901) supported by the National Natural Science Foundation of China; The mechanical behaviors of the interface between coarse-grained soil and concrete were investigated by simple shear tests under condition of mixed soil slurry (bentonite mixed with cement grout).For comparison,the in...; 关键词：simple shear test mixed soil slurry DILATANCY particle flow code generalized potential theory constitutive model FEM

A 3D bounding surface model for rockfill materials被引量：16: 《Science China(Technological Sciences)》2011年第11期2904-2915,共12页XIAO Yang LIU HanLong ZHU JunGao SHI WeiCheng LIU MengCheng; supported by the National Natural Science Foundation for Distinguished Young Scholar (Grant No. 50825901);the Key Project of National Natural Science Foundation of China and Yalongjiang Hydro-electric Development Joint Research Fund (Grant No. 50639050);the Public Service Sector R&D Project of Ministry of Water Resource of China(Grant No. 200801014);the Fundamental Research Funds for the Central Universities (Grant No. 2010B15014);Scientific Innovation Research Scheme for Jiangsu University Graduate (Grant No. CX10B_207Z); A 3D bounding surface model is established for rockfill materials,which can be applied to appropriately predict the deformation and the stabilization of rockfill dams.Firstly,an associated plastic flow rule for rockfi...; 关键词：rockf＇di material STRENGTH DILATANCY 3D bounding surface constitutive model

圆弧滑动法中总应力法和有效应力法适用性辨析被引量：10: 《河海大学学报（自然科学版）》2011年第5期517-522,共6页沈扬张朋举闫俊; 国家自然科学基金(50825901); 针对地下水条件下圆弧滑动法中总应力法和有效应力法2种计算方法的假定,指出总应力法是从土条整体极限平衡角度分析的直观方法,但仅考虑了滑弧面上的水压力,在不考虑土条侧向作用力的瑞典条分法中使得安全系数计算值显著降低,需采用修...; 关键词：圆弧滑动法总应力法有效应力法瑞典条分法毕肖普法水压力浮力

Dilatancy equation of rockfill material under the true triaxial stress condition被引量：10: 《Science China(Technological Sciences)》2011年第S1期175-184,共10页XIAO Yang 1,2,LIU HanLong 1,2,ZHU JunGao 1,2 & SHI WeiCheng 1,3 1 Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering,Hohai University,Nanjing 210098,China 2 Geotechnical Research Institute,Hohai University,Nanjing 210098,China 3 School of Civil Engineering and Architecture,Changzhou Institute of Technology,Changzhou 213002,China; supported by the Key Project of National Natural Science Foundation of China and Yalongjiang Hydroelectric Development Joint Research Fund(Grant No.50639050);the National Natural Science Foundation for Distinguished Young Scholar(Grant No.50825901);the Public Service Sector R&D Project of Ministry of Water Resource of China (Grant No.200801014);China Scholarship Fund(Grant No.2010671026); Rockfill material is widely used for construction of high rockfill dam due to its facility,economical cost,high strength and effective aseismatic property.It is provoked profoundly to propose a suitable constitutive m...; 关键词：ROCKFILL material DILATANCY equation TRUE TRIAXIAL test density stress path INITIAL CONFINING pressure

Modified Cam-Clay model incorporating unified nonlinear strength criterion被引量：7: 《Science China(Technological Sciences)》2011年第4期805-810,共6页XIAO Yang LIU HanLong LIANG Robert Y; supported by the National Natural Science Foundation of China for Distinguished Young Scholar (Grant No. 50825901);the Public Service Sector R&D Project of Ministry of Water Resource of China (Grant No. 200801014);Scientific Innovation Research Scheme for Jiangsu University Graduate (Grant No. CX10B_207Z);Jiangsu Civil Engineering Graduate Center for Innovation and Academic Communication Foundation; A unified nonlinear strength criterion(i.e UNS criterion) is proposed,for the sake of versatility,to capture the complex strength behaviors of frictional materials in geotechnical field.It covers wide ranges on the me...; 关键词：nonlinear strength CRITERION FAILURE constitutive model complex stress condition

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