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Shield selection and function design of Beijing underground diameter line

Han Yali,Lv Chuantian,Zhang Ningchuan

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 29-34

Abstract:

According to the diameter of the tunnel and the geological conditions, considered factors of equipment selection and the choice of models of the large diameter tunnel ofthe Beijing underground diameter tunnel project were analysed, the main functions and geological suitability

Keywords： railways     underground diameter line     shield selection     shield functional design    

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The adaptability analysis of cutter tool to slurry shield of Beijing railway underground diameter line

He Feng,Li Xiaogang,Sun Shanhui

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 35-40

Abstract:

Based on the underground diameter line engineering experience from Beijing

Keywords： diameter line     slurry shield     cutter tool     adaptability    

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Shield launching technology in the project of Beijing railway underground diameter project

Lv Chuantian,Zhai Zhiguo,Su Qinggui

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 59-64

Abstract:

Based on the introduction of building launching shaft and the shield launching of Beijing Rail Transit which constructed with a slurry shield machine by Ø12.04 m, some key technologies of shield launching were summarized in the urban areas and the water-rich grit stone geological conditions.

Keywords： urban     water-rich sandy gravel     big diameter     slurry shield     launching    

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Beijing underground diameter wire（The Third Railway Survey and Design Institute，Tianjin 300252,China）

Suo Xiaoming,Zhang Jiqing,Yang Yiqiu

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 11-17

Abstract:

Based on the designing technology of double-line large diameter(Ø11.6 m) shield tunnel of Beijing underground diameter wire, this article emphased on the selection of

Keywords： railway tunnel     shield of large diameter     segment design    

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Challenges and Thoughts on the Development of Large-Diameter Drilling Technology and Equipment

Liu Zhiqiang, Chen Xiangsheng, Cai Meifeng, Ji Hongguang, Song Zhaoyang

Strategic Study of CAE 2022, Volume 24, Issue 2,   Pages 132-139 doi: 10.15302/J-SSCAE-2022.02.018

Abstract:

 Underground space and resources are crucial for solving energy,In this paper, we analyze the need and necessity for developing large-diameter drilling technology anddevelopment path and tasks of intelligent drilling, establish relevant standards and specifications of large-diameter

Keywords： underground engineering，shaft construction，mineral exploitation，underground space development and utilization    

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Analysis and control of significant risk source of underground diameter project from Beijing railway

Zhao Yong,Han Fuzhong,Li Jianhua

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 23-28

Abstract:

Through the detailed risk evaluation on underground diameter projectThe settlement of all the measuring points of metro line 2 was lower than 2 mm.

Keywords： tunnel     risk analysis     risk control    

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Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 194-202 doi: 10.1007/s11705-010-1019-2

Abstract: In this study, the effect of ethanol addition into pure water and its concentration on bubble diameterAlcohol concentration enhancement caused bubble diameter to decrease.Furthermore, the bubbles diameter in pure water was nearly 4 times higher than that of ethanol with concentration

Keywords： airlift rector     bubble diameter     gas hold-up     flow regime     ethanol    

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Acoustic fault signal extraction via the line-defect phononic crystals

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 10-10 doi: 10.1007/s11465-021-0666-y

Abstract: In this paper, 2D line-defect phononic crystals (PCs) consisting of periodic acrylic tubes with slitThe defect band, namely, the formed resonance band of line-defect PCs enables the incident acoustic waveThe effectiveness of weak harmonic and periodic impulse signal detection via line-defect PCs are investigatedAll the numerical and experimental results indicate that line-defect PCs can be well used for extracting

Keywords： phononic crystals     line-defect     fault signal extraction     acoustic enhancement    

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Impacts of different diameter combinations on the temperature of a crude oil pipeline when colocating

Bo YU, Yue SHI, Xin LIU, Jinjun ZHANG, Jinjia WEI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 192-197 doi: 10.1007/s11708-009-0074-1

Abstract: In order to show the effects of different diameter combinations on crude oil temperature when a crudeoil pipeline and a products pipeline are laid in one trench, four typical diameter combinations areIn real pipeline constructions, the effects of other diameter combinations on crude oil temperature canbe predicted by the method of linear interpolation to calculate results of the four diameter combinations

Keywords： technology of laying two pipelines in one trench     diameter combinations     crude oil temperature     pipeline    

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Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 127-138 doi: 10.1007/s11708-020-0661-8

Abstract: This paper investigated effects of slip length and hydraulic diameter on the hydraulic entrance lengthincreases with the increasing slip length at approximately Re<10, and does not vary with the hydraulic diameter

Keywords： laminar flow     hydraulic entrance length     super hydrophobic surface     slip length     hydraulic diameter    

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Calculations of narrow-band transimissities and the Planck mean absorption coefficients of real gases using line-by-line

Huaqiang CHU, Mingyan GU, Huaichun ZHOU, Fengshan LIU

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 41-48 doi: 10.1007/s11708-013-0292-4

Abstract: the band parameters of Soufiani and Taine, the more recent parameters of André and Vaillon, and the line-by-line

Keywords： transimissity     HITEMP     HITRAN     Planck mean absorption coefficients    

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Pareto lexicographic α-robust approach and its application in robust multi objective assembly line balancing

Ullah SAIF,Zailin GUAN,Baoxi WANG,Jahanzeb MIRZA

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 257-264 doi: 10.1007/s11465-014-0294-x

Abstract: application of the proposed method on a simple problem of multi objective optimization of simple assembly line

Keywords： Pareto     lexicographic α-robust     assembly line balancing    

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Assembling and defect treatment of large-diameter shield segment

Cheng Xuewu,Xu Weiqing,Yang Zhiyong

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 89-93

Abstract:

In the paper, the segment assembling techniques of large-diameter shieldwere summarized, and the apparent damage reasons and repair technology of large-diameter shield reinforcedconcrete segment in the construction were preliminarily analyzed, based on research of the undergrounddiameter project from Beijing railway station to Beijing railway west station.above hance and below hance, respectively, assuring the good strength and surface quality of large-diameter

Keywords： large-diameter shield     segment     assembling     repair    

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Choosing configurations of transmission line tower grounding by back flashover probability value

Dmitry KUKLIN

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 213-226 doi: 10.1007/s11708-016-0398-6

Abstract: However, in application to grounding of transmission line towers they are not enough to determine what

Keywords： grounding     transmission line tower     back flashover probability     FDTD method    

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Stability analysis of large diameter thin-walled tube beam-columns

PAN Hanming, GUO Yanlin, LIANG Shuo, PEI Shengxing, LIANG Weisheng, WANG Lewen

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 123-132 doi: 10.1007/s11709-008-0017-7

Abstract: Based on a blind spot in the current design standard of steel structures, the large diameter thin-walledThe influence of several factors on stability capacity of the large diameter thin-walled tube beam-columnscalculation formulas of the stability bearing capacity are presented for beam-column members of the large diameter

Keywords： ultimate strength     nonlinear     numerical analytical     diameter thin-walled     practice    

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Title Author Date Type Operation

Shield selection and function design of Beijing underground diameter line

Han Yali,Lv Chuantian,Zhang Ningchuan

Journal Article

The adaptability analysis of cutter tool to slurry shield of Beijing railway underground diameter line

He Feng,Li Xiaogang,Sun Shanhui

Journal Article

Shield launching technology in the project of Beijing railway underground diameter project

Lv Chuantian,Zhai Zhiguo,Su Qinggui

Journal Article

Beijing underground diameter wire（The Third Railway Survey and Design Institute，Tianjin 300252,China）

Suo Xiaoming,Zhang Jiqing,Yang Yiqiu

Journal Article

Challenges and Thoughts on the Development of Large-Diameter Drilling Technology and Equipment

Liu Zhiqiang, Chen Xiangsheng, Cai Meifeng, Ji Hongguang, Song Zhaoyang

Journal Article

Analysis and control of significant risk source of underground diameter project from Beijing railway

Zhao Yong,Han Fuzhong,Li Jianhua

Journal Article

Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Journal Article

Acoustic fault signal extraction via the line-defect phononic crystals

Journal Article

Impacts of different diameter combinations on the temperature of a crude oil pipeline when colocating

Bo YU, Yue SHI, Xin LIU, Jinjun ZHANG, Jinjia WEI,

Journal Article

Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Journal Article

Calculations of narrow-band transimissities and the Planck mean absorption coefficients of real gases using line-by-line

Huaqiang CHU, Mingyan GU, Huaichun ZHOU, Fengshan LIU

Journal Article

Pareto lexicographic α-robust approach and its application in robust multi objective assembly line balancing

Ullah SAIF,Zailin GUAN,Baoxi WANG,Jahanzeb MIRZA

Journal Article

Assembling and defect treatment of large-diameter shield segment

Cheng Xuewu,Xu Weiqing,Yang Zhiyong

Journal Article

Choosing configurations of transmission line tower grounding by back flashover probability value

Dmitry KUKLIN

Journal Article

Stability analysis of large diameter thin-walled tube beam-columns

PAN Hanming, GUO Yanlin, LIANG Shuo, PEI Shengxing, LIANG Weisheng, WANG Lewen

Journal Article