摘要
考虑钢筋混凝土和围岩材料的非线性特性,采用最大拉应力准则和辛格维茨-潘地准则相结合的形式,编制了相应的三维非线性有限元计算程序。结合工程实际,分别对隧洞水荷载的不同作用形式进行了比较分析,并对当前的计算模型做了进一步探讨,认为考虑渗透力的影响更能反映实际情况。
With the consideration of nonlinear material characteristicsof reinforced concrete and rock in hydraulic tunnel, a 3-D nonlinear FEM program, in which the combined creteria with Zienkiewicz-Pande yield criterion and the maximumprincipal tensile stressyield criterion are adopted, is developed. Then considering the different action forms of water loads, some projects are explored and the current patterns have been further discussed. It can be concluded that the mode with the consideration of penetrability effect is thought as the better one.
出处
《水电能源科学》
2005年第5期51-54,共4页
Water Resources and Power
