Abstract The bench method in tunnel construction is favored due to its good adaptability. It is necessary to take a further study on the reasonable selection of technical factors involved in bench method for large-section tunnel of high-speed railway. A three-dimensional numerical calculation model is established to analyzes the influence of factors on excavation stability and provide the theoretical support to the selections of bench length, bench height and flatness of upper section.
Keywords ：
font-size: 10.5pt mso-bidi-font-size: 11.0pt mso-bidi-font-family: 'Times New Roman' mso-font-kerning: 1.0pt mso-ansi-language: EN-US mso-fareast-language: ZH-CN mso-bidi-language: AR-SA Railway tunnel, Bench method, Parameters, Numerical model, Deformation of surrounding rock')" href="#">mso-fareast-font-family: 宋体" lang="EN-US">Railway tunnel, Bench method, Parameters, Numerical model, Deformation of surrounding rock
Abstract ：
The bench method in tunnel construction is favored due to its good adaptability. It is necessary to take a further study on the reasonable selection of technical factors involved in bench method for large-section tunnel of high-speed railway. A three-dimensional numerical calculation model is established to analyzes the influence of factors on excavation stability and provide the theoretical support to the selections of bench length, bench height and flatness of upper section.
Keywords ：
font-size: 10.5pt mso-bidi-font-size: 11.0pt mso-bidi-font-family: 'Times New Roman' mso-font-kerning: 1.0pt mso-ansi-language: EN-US mso-fareast-language: ZH-CN mso-bidi-language: AR-SA Railway tunnel, Bench method, Parameters, Numerical model, Deformation of surrounding rock mso-fareast-font-family: 宋体" lang="EN-US">Railway tunnel, Bench method, Parameters, Numerical model, Deformation of surrounding rock
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2012, Vol. 49 