摘要
水工隧洞衬砌承受水压力、围岩压力、弹性抗力等作用,常需要配筋。应用有限元法,提出了基于ANSYS二次开发的水工隧洞衬砌有限元分析配筋法。通过建立衬砌和围岩的整体有限元模型,计算分析了衬砌的应力分布,利用ANSYS软件的后处理功能,得到控制断面的应力分布和断面的内力值,据此进行配筋计算。经分析比较,该方法得到的配筋量与规范中给出的公式法所得配筋量接近。最后,在伊泰兹水电站引水隧洞的衬砌配筋设计中对该方法进行了实际应用,证明其合理可行。
Hydraulic tunnel bears loads such as water pressure,rock pressure,and elastic resistance,so reinforcement is often needed.In this paper,a FEM analysis reinforcement method was proposed based on FEM and secondary development of ANSYS.A whole FEM model of concrete lining and its surrounding rock mass was developed to analyze the stress distribution of the lining.With the post-processing function of ANSYS,the stress distribution and tensile force of the controlling sections can be obtained and reinforcement calculation was then performed.The reinforcement quantity determinate by this method was similar to that obtained from the standard method The FEM analysis reinforcement method was applied to the reinforcement design for the headrace tunnel lining of the ITACHI hydropower station,which indicated that the method is reasonable and feasible.
出处
《南水北调与水利科技》
CAS
CSCD
北大核心
2014年第4期116-119,共4页
South-to-North Water Transfers and Water Science & Technology
关键词
水工隧洞
衬砌
ANSYS
有限元分析配筋法
应力分析
数值计算
伊泰兹水电站
headrace tunnel
concrete lining
ANSYS
FEM analysis reinforcement method
stress analysis
numerical calculation
ITAZHI power station
作者简介
邵潮鑫（1989-），男，江苏宜兴人，硕士研究生，主要从事水工数值仿真方面研究。E-mail：773690638@qq．com
通讯作者：沈振中（1968-），男，江苏吴江人，教授，博导，主要从事水工结构设计研究。E-mail：zhzhshen@mailsvr．hhu．edu．cn
