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国家自然科学基金(51178468): 作品数：27被引量：190H指数：10; 导出分析报告; 相关作者：杨小礼潘秋景王路路黄阜孙志彬更多>>; 相关机构：中南大学国防科学技术大学合肥工业大学更多>>; 相关期刊：《中南大学学报（自然科学版）》《铁道科学与工程学报》《岩土力学》《岩土工程学报》更多>>; 相关主题：PRESSURE上限定理SUPPORTINGCOLLAPSEROOF更多>>; 相关领域：建筑科学交通运输工程天文地球更多>>

Influences of anisotropy and inhomogeneity on supporting pressure of tunnel face with kinematical approach被引量：3: 《Journal of Central South University》2015年第9期3536-3543,共8页杨小礼李闻韬潘秋景; Project(2013CB036004) supported by the National Basic Research Program of China;Projects(51178468,51378510) supported by the National Natural Science Foundation of China; Based on the active failure mechanism generated by a spatial discretization technique, the stability of tunnel face was studied. With the help of the spatial discretization technique, not only the anisotropy and inhom...; 关键词：tunnel face supporting forces ANISOTROPY INHOMOGENEITY upper bound theorem

Energy analysis of face stability of deep rock tunnels using nonlinear Hoek-Brown failure criterion被引量：5: 《Journal of Central South University》2015年第8期3079-3086,共8页张佳华李永鑫许敬叔; Project(2013CB036004)supported by National Basic Research Program of China;Projects(51178468,51378510)supported by National Natural Science Foundation of China;Project(CX2013B077)supported by Hunan Provincial Innovation Foundation for Postgraduate,China; The nonlinear Hoek-Brown failure criterion was introduced to limit analysis by applying the tangent method. Based on the failure mechanism of double-logarithmic spiral curves on the face of deep rock tunnels, the anal...; 关键词：tunnel face limit analysis failure criterion pore water pressure collapse pressure

Roof collapse of shallow tunnels with limit analysis method被引量：5: 《Journal of Central South University》2015年第5期1929-1936,共8页杨小礼龙泽祥; Project(2013CB036004)supported by the National Basic Research Program of China;Projects(51178468,51378510)supported by the National Natural Science Foundation of China; A new failure mechanism is proposed to analyze the roof collapse based on nonlinear failure criterion. Limit analysis approach and variational principle are used to obtain analytical findings concerning the stability ...; 关键词：tunnel roofs nonlinear failure criterion failure mechanism kinematical approach

Energy analysis of stability on shallow tunnels based on non-associated flow rule and non-linear failure criterion被引量：6: 《Journal of Central South University》2015年第3期1070-1078,共9页张佳华王成洋; Project(2013CB036004) supported by the National Basic Research Program of China;Projects(51178468,51378510) supported by the National Natural Science Foundation of China;Project(CX2013B077) supported by Hunan Provincial Innovation Foundation for Postgraduate,China; On the basis of upper bound theorem, non-associated flow rule and non-linear failure criterion were considered together.The modified shear strength parameters of materials were obtained with the help of the tangent me...; 关键词：non-associated flow rule non-linear failure criterion shallow tunnel upper bound theorem safety factor

Limit analysis of supporting pressure in tunnels with regard to surface settlement被引量：10: 《Journal of Central South University》2015年第1期303-309,共7页杨小礼覃长兵; Project(2013CB036004)supported by the National Basic Research Program of China;Projects(51178468,51378510)supported by the National Natural Science Foundation of China; The proliferation of Hoek-Brown nonlinear failure criterion and upper bound theorem makes it possible to evaluate the stability of circular tunnels with an original curved collapsing mechanism. The arch effect of shal...; 关键词：circular tunnel Hoek-Brown criterion collapse mechanism surface settlement

Upper bound limit analysis of roof collapse in shallow tunnels with arbitrary cross sections under condition of seepage force被引量：3: 《Journal of Central South University》2014年第11期4338-4343,共6页杨小礼覃长兵; Project(2013CB036004)supported by the National Basic Research Program of China;Projects(51178468,51378510)supported by National Natural Science Foundation of China; The analytical solutions for predicting the exact shape of collapse mechanisms in shallow tunnels with arbitrary excavation profiles were obtained by virtue of the upper bound theorem of limit analysis and variation p...; 关键词：shallow tunnel collapse mechanism seepage force upper bound limit analysis Hoek-Brown failure criterion

Mohr-Coulomb准则下基于滑动面深度的边坡参数反分析方法被引量：13: 《岩土力学》2014年第5期1323-1328,共6页孙志彬杨小礼张胜王路路; 国家自然科学基金(No.51178468);国家重点基础研究发展计划(973计划)(No.2013CB036004);中央高校基本科研业务费专项资金资助; 利用上限定理与强度折减法,提出了一种新的边坡反分析方法。该方法基于边坡的滑动面形状,不需要位移、应力等监测数据。分析边坡的临界滑动面位置与强度参数的关系,可以发现,当边坡的几何形状、土体重度以及孔隙水压力分布确定,则临界...; 关键词：边坡工程参数反演上限定理滑动面深度

浅埋隧道塌方机理上限分析被引量：13: 《铁道科学与工程学报》2014年第5期96-99,共4页严若明周光裕唐金杨小礼; 国家自然科学基金资助项目(51178468); 对浅埋圆形隧道的塌方机制的预测是一项极为复杂的工作。基于Hoek-Brown破坏准则下,运用极限分析原理,对浅埋圆形隧道的破坏机制进行分析。在考虑支护力和孔隙水压力的前提下,对岩体内部进行能量耗散计算分析。推导出塌落面目标方程的...; 关键词：浅埋隧道破坏机理极限分析 HOEK-BROWN准则

Stability analysis for natural slope by kinematical approach被引量：2: 《Journal of Central South University》2014年第4期1546-1553,共8页孙志彬覃长兵; Project(2013CB036004)supported by the National Basic Research Program of China;Project(51178468)supported by the National Natural Science Foundation of China; The stability of natural slope was analyzed on the basis of limit analysis. The sliding model of a kind of natural slope was presented. A new kinematically admissible velocity field for the new sliding model was const...; 关键词：natural slope stability analysis limit analysis upper bound theorem

盾构隧道开挖面支护力上限分析被引量：20: 《铁道科学与工程学报》2014年第4期80-84,共5页许敬叔潘秋景; 国家自然科学基金资助项目(51178468); 盾构在掘进的过程中,必须确保隧道开挖面前方土体的稳定。将隧道沿纵向简化成平面应变情况,利用双对数螺旋线破坏模式,基于极限分析上限定理,对隧道开挖面前方土体的主动破坏形式进行研究。将盾构机作用在开挖面上的支护力视为均布荷载...; 关键词：盾构隧道开挖面对数螺旋线支护力

国家自然科学基金(51178468)