Study on influence of ground settlement in bored metro tunnel

来源 :煤炭学报(英文版) | 被引量 : 0次 | 上传用户:kfsoft2000
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
At present the bored construction method is one of the main construction methods of metro and tunnel construction in China. The empirical estimated formulas of tunnel ground surface settlement using the bored construction method were obtained,combining the mechanical stimulant calculated result of tunnel model of different embedded depth, different cross section and different construction method and the actual measurement data of Beijing metro construction. According to the regressed analysis of calculated data, the calculated equations of ground surface settlement value and settlement range of tunnel section under the condition of different embedded depth, different cross section and different construction method were gained. Among them there are some empirical formulas can apply to the construction design ofmetro tunnel directly.
其他文献
Using coal tar pitch as a matrix precursor to prepare carbon materials is widely used by impregnation/carbonization processing technology. Four different grades of coal tar pitch and a natural pitch were characterized in terms of carbon yield, density, vi
There are many problems in terms of safe coal production and the sound de-velopment of the coal industry. Accompanying the intensification and increasing efficiency of coal production and the conducting of mining operations at deeper and more remote areas
On the basis of investigation and research on the pollution source and pollution pathway of Yujiagou area, by the ground water quality analysis and the leaching and soaking experiments of the gangue, reliable data were obtained. The experiment results pro
A new method for predicting the trend of displacement evolution of surrounding rock was presented in this paper. According to the nonlinear characteristics of displacement time series of underground engineering surrounding rock, based on phase space recon
Computerized geological models are the basis of modem mine design, planning and production. A sound, validated geological model is essential to the success of a mining project. However, due to the complexity of geology surrounding deposits, geological mod
Based on hydro-geological of Qilongcun landfill, the transportation mathematical model of leachat was established. The boundaries conditions and replenishment of model were determined. The leachate COD density and the water level were simulated, and the m
Typical failure types of slopes of expansive soils are divided to two kinds: slip in surface layer and slip in shallow layer. Based on total strength law of expansive soils, the relationship between its water content and shear strength inculding cohesion
By the microseismic (MS) monitoring system of Sanhejian Coal Mine, the detailMS activity rules in the entire mining process of 9202 strong rockburst working face werestudied, following main conclusions were obtained. (1) The strong correlation between MSa