自密实防水混凝土衬砌隧道抗渗特性的数值分析  

Numerical Analysis on Impermeability Characteristics of Tunnel Liners That Made of Self-compacting Water Proof Concrete

作　　者：李厚祥[1] 曾三海[1] 吴安清[2] 陈月顺[1] 

机构地区：[1]湖北工业大学土木工程与建筑学院,武汉430068 [2]湖北工业大学计算机学院,武汉430068

出　　处：《武汉理工大学学报》2008年第5期47-50,共4页Journal of Wuhan University of Technology

基　　金：湖北省自然科学基金(2005ABA054);湖北省国际合作项目(2005CA007)

摘　　要：采用数值分析的方法,运用RFPA2D[1]建立相应的数值模型,分别对自密实防水混凝土及普通混凝土衬砌隧道的力学特性(包括最大主应力、最小主应力及剪应力分布规律)及渗流特征(包括水头压力、流量、孔隙水压力的经时变化规律)进行了分析与对比。数值分析结果表明,采用衬砌的隧道的抗渗特性要明显优于采用普通混凝土衬砌的隧道,说明具有良好的抗渗特性。Numerical analysis method is employed in this paper and analysis and comparison of mechanics characteristics of self-compacting water proof concrete tunnel liners and those made of general concrete （ Including distributing rules of maximum main stress, minimum main stress and shearing strength） as well as seepage characteristic （ Including diversification rules of press and seepage flow of water outlet, hydraulic pressure of water holes during different period） are realized through taking advantage of corresponding numerical model that established by REPA^2D program. It＇s indicated clearly with the analysis output that self-compacting water proof concrete tunnel liners possesses favorable impermeability function in that it＇s evidently better on impermeability than that of general concrete ones.

关 键 词：自密实防水混凝土 抗渗 数值分析 

分 类 号：TU528.32[建筑科学—建筑技术科学]