[1]韩美东,曲传咏,蔡宗熙,等.刀盘掘进过程动态仿真[J].哈尔滨工程大学学报,2015,(08):1098-1102.[doi:10.3969/j.issn.1006-7043.201404053]
 HAN Meidong,QU Chuanyong,CAI Zongxi,et al.Dynamic numerical simulation of tunneling by the TBM cutter head[J].hebgcdxxb,2015,(08):1098-1102.[doi:10.3969/j.issn.1006-7043.201404053]
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年08期
页码:
1098-1102
栏目:
出版日期:
2015-08-25

文章信息/Info

Title:
Dynamic numerical simulation of tunneling by the TBM cutter head
作者:
韩美东 曲传咏 蔡宗熙 金立帅
天津大学 机械工程学院, 天津 300072
Author(s):
HAN Meidong QU Chuanyong CAI Zongxi JIN Lishuai
School of Mechanical Engineering, Tianjin University, Tianjin 300072, China
关键词:
TBM刀盘Drucker-Prager模型显式积分算法数值仿真掘进载荷幅频特性
分类号:
U455.3
DOI:
10.3969/j.issn.1006-7043.201404053
文献标志码:
A
摘要:
刀盘是岩石隧道掘进机(TBM)开挖岩石的关键部件,通过试验或者现场施工数据得到其与围岩的相互作用规律极为困难。利用数值模拟方法,在ABAQUS/Explicit环境下建立了模拟刀盘掘进的三维分析模型。采用扩展的Drucker-Prager非线性弹塑性模型作为岩体的本构模型;应用包含单元删除功能的损伤失效准则模拟切屑的形成及分离,并基于显式积分算法实现了TBM刀盘掘进全物理过程的直接数值模拟,得到了刀盘的动态掘进载荷以及掌子面岩体的损伤失效状态。仿真结果表明:对于所选定的岩石力学参数,当推进距离达到8.5 mm时,掌子面岩体全面损伤,刀盘进入稳定掘进阶段;在掘进过程中,刀盘载荷波动剧烈,其第1阶主频约为刀盘转动频率的2倍。上述模拟方法可以为TBM掘进过程的分析提供有效的工具。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-4-8;改回日期:。
基金项目:国家973计划资助项目(2013CB035042);国家863计划资助项目(2012AA041801);国家自然科学基金资助项目(11172200);国家自然科学基金科学仪器基础研究专项资助项目(11127202).
作者简介:韩美东(1987-),男,博士研究生;蔡宗熙(1957-),男,教授,博士生导师.
通讯作者:蔡宗熙:E-mail:zxcai@tju.edu.cn.
更新日期/Last Update: 2015-10-19