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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 underground diametersegments 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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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 largediameter thin-walled tubes.

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

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The vertical shaft construction-technology of the cutter transformation of large-diameter shield

Wang Zhenfei,He Feng,He Shanning

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 103-107

Abstract: justify;">Taking vertical shaft construction of the cutter transformation of the Beijing underground diameterthe design and construction of cutter structure transformation under complex boundary conditions for large-diameter

Keywords： large-diameter shield     transformation shaft     complex conditions    

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Study on ground settlement of large diameter slurry shield construction in water-rich sandy gravel stratum

Zhao Baohua,Hu Xibo,Zhang Bing,Li Wenjun

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 94-97

Abstract:

Beijing underground diameter project is located in the water-rich sandy

Keywords： water-rich sandy gravel     large diameter     slurry shield     settlement law    

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The negative ring demolition and tunnel refitting technique of large diameter tube

Zhai Zhiguo,Huang xuejun,Yang Zhiyong

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 83-88

Abstract: Line 2 bid section in detail, the experience of negative ring demolition and replacement techniques of largediameter slurry shield were summarized, which would provide reference to the implementation of the construction

Keywords： big diameter shield     negative ring     demolition     tunnel reconstruction    

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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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Drivability of Large Diameter Steel Cylinders during Hammer-Group Vibratory Installation for the Hong Article

W.J. Lu,B. Li,J.F. Hou,X.W. Xu,H.F. Zou,L.M. Zhang,

Engineering 2023, Volume 20, Issue 1,   Pages 180-191 doi: 10.1016/j.eng.2021.07.028

Abstract: Kong–Zhuhai–Macao Bridge (HZMB) involved the installation of 120 mega-cylinders with a diameterDue to the lack of engineering experience on the drivability of large-diameter cylinders under multipleIn this study, the vibratory penetration of large-diameter steel cylinders in the HZMB is investigated

Keywords： Hong Kong–Zhuhai–Macao Bridge     Vibratory pile driving     Wave equation analysis     Large-diameter steel cylinder    

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System management and typical fault analysis of large diameter slurry shield

Li Xiaogang,Li Shengli,Niu Xuechen

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 51-55

Abstract:

Based on the typical fault analysis of large diameter slurry shield ofBeijing underground diameter, the corresponding treatment and preventive measures were proposed, these

Keywords： shield     fault     diagnose     management     technology    

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Large-scale synthesis of isolated Mn2O3 nanotube/fiber with ferric nitrate as catalyst

ZHANG Aifei, LIU Jiping, L? Guangshu

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 55-58 doi: 10.1007/s11705-007-0011-y

Abstract: Isolated MnO nanotubes and nanofibers were prepared very easily at a large scale with the liquid-phaseThe MnO nanotubes had dimensions of 30 50 nm (exterior diameter) and 0.2 1.0 ?The O nanofibers had dimensions of 10 30 nm (diameter) and 0.4 2.0 ?m (length), approximately.

Keywords： different     nickel     exterior diameter     nanotube     XRD    

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the subway station and the analysis of the test result

Zhang Jiqing,Suo Xiaoming

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 18-22

Abstract: style="text-align: justify;">Deformation forecast is proceeded for the structure of Beijing underground diameter

Keywords： large diameter shield     subway station     deformation forecast     monitoring     numerical value analysis    

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Technology of strengthening soil and keeping pressure of large diameter slurry shield inside with high

Meng Haifeng,Su Qinggui,Zhai Zhiguo

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 70-74

Abstract:

Based on the engineering example of underground diameter project replacing

Keywords： shield     inside with high pressure     keep pressure     grouting    

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Development of Construction Technology and Equipment for Marine Bridges

Zhang Ruixia

Strategic Study of CAE 2019, Volume 21, Issue 3,   Pages 5-11 doi: 10.15302/J-SSCAE-2019.03.015

Abstract: In the aspect of deep-water foundations, research directions of large size, assembly, and intellectualizationare proposed for open caisson foundations, assembly foundations, and large-diameter steel pile foundationsfor superstructures of cable-stayed bridges and suspension bridges, the focus of research should be large-segment

Keywords： marine bridges     assembly foundation     open caisson     large-diameter steel pile     cable-stayed bridge     suspension    

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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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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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Title Author Date Type Operation

Assembling and defect treatment of large-diameter shield segment

Cheng Xuewu,Xu Weiqing,Yang Zhiyong

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

The vertical shaft construction-technology of the cutter transformation of large-diameter shield

Wang Zhenfei,He Feng,He Shanning

Journal Article

Study on ground settlement of large diameter slurry shield construction in water-rich sandy gravel stratum

Zhao Baohua,Hu Xibo,Zhang Bing,Li Wenjun

Journal Article

The negative ring demolition and tunnel refitting technique of large diameter tube

Zhai Zhiguo,Huang xuejun,Yang Zhiyong

Journal Article

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

Suo Xiaoming,Zhang Jiqing,Yang Yiqiu

Journal Article

Drivability of Large Diameter Steel Cylinders during Hammer-Group Vibratory Installation for the Hong

W.J. Lu,B. Li,J.F. Hou,X.W. Xu,H.F. Zou,L.M. Zhang,

Journal Article

System management and typical fault analysis of large diameter slurry shield

Li Xiaogang,Li Shengli,Niu Xuechen

Journal Article

Large-scale synthesis of isolated Mn2O3 nanotube/fiber with ferric nitrate as catalyst

ZHANG Aifei, LIU Jiping, L? Guangshu

Journal Article

the subway station and the analysis of the test result

Zhang Jiqing,Suo Xiaoming

Journal Article

Technology of strengthening soil and keeping pressure of large diameter slurry shield inside with high

Meng Haifeng,Su Qinggui,Zhai Zhiguo

Journal Article

Development of Construction Technology and Equipment for Marine Bridges

Zhang Ruixia

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

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