| 浅埋隧道岩土体参数正交反演及衬砌工作状态评价 |
| |
| 引用本文： | 王迎超,尚岳全,徐兴华.浅埋隧道岩土体参数正交反演及衬砌工作状态评价[J].中南大学学报(自然科学版),2011,42(6). |
| |
| 作者姓名： | 王迎超 尚岳全 徐兴华 |
| |
| 作者单位： | 1. 中国矿业大学深部岩土力学与地下工程国家重点实验室,江苏徐州221008;浙江大学建筑工程学院,浙江杭州,310058
2. 浙江大学建筑工程学院,浙江杭州,310058 |
| |
| 基金项目： | 中国矿业大学人才引进科研启动项目:中国矿业大学力建学院青年科技基金(lj2010qnjj03)；深部岩土力学与地下工程国家重点实验室博后资助项目；中国矿业大学青年科技基金 |
| |
| 摘 要： | 基于现场监控量测数据、正交设计理论、有限元理论和钢筋混凝土结构相关理论，提出合理评价隧道衬砌工作状态的新思路。即以拱项下沉和洞周收敛监测数据为依据，选取典型围岩物理力学参数，设计正交试验方案，采用有限元正交反演分析，得到岩土体计算参数；在此基础上通过有限元正分析，计算隧道衬砌内力，综合确定最危险截面；再根据钢筋混凝土结构理论计算衬砌的设计内力，提出采用衬砌结构安全度来评价隧道衬砌的安全状态，并将其工作状态分为安全、极限和危险3个状态。最后，以马鞍山隧道工程为例，对其衬砌结构的工作状态进行评价，得到其安全度为1.124，基本处于安全可靠状态，可为相关隧道的设计和施工提供借鉴和参考。
|
| 关 键 词： | 隧道工程 反演分析 衬砌 安全度 工作状态 |
Orthogonal back-analysis of geotechnical parameters and working state evaluation of lining of shallow buried tunnel |
| |
| WANG Ying-chao,SHANG Yue-quan,XU Xing-hua.Orthogonal back-analysis of geotechnical parameters and working state evaluation of lining of shallow buried tunnel[J].Journal of Central South University:Science and Technology,2011,42(6). |
| |
| Authors: | WANG Ying-chao SHANG Yue-quan XU Xing-hua |
| |
| Institution: | WANG Ying-chao1,2,SHANG Yue-quan2,XU Xing-hua2 (1.State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology,Xuzhou 221008,China,2.College of Civil Engineering and Architecture,Zhejiang University,Hangzhou 310058,China) |
| |
| Abstract: | Based on site monitoring measurement data,orthogonal design theory,finite element theory and reinforced concrete structure theory,a new method of working state evaluation of lining was proposed.Firstly,according to the actually measured convergence and subsidence of vault,typical parameters of surrounding rock were selected to design orthogonal test scheme.The parameters of rock and soil were obtained by orthogonal back-analysis of FEM.Secondly,the internal forces of tunnel lining were calculated through FE... |
| |
| Keywords: | tunneling engineering back-analysis lining safety degree working state |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
