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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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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 multiplevibratory hammers, predicting the penetration rate and time of steel cylinders is an open challengeIn this study, the vibratory penetration of large-diameter steel cylinders in the HZMB is investigatedThe dynamic soil resistance has a great influence on the cylinder drivability.

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

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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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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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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: 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     drilling technology and equipment    

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Fatigue crack growth behavior of a 170 mm diameter stainless steel straight pipe subjected to combined

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 905-913 doi: 10.1007/s11709-021-0683-2

Abstract: In this study, experimental fatigue life evaluation was conducted on a notched stainless steel SA312Type 304LN straight pipe having an outer diameter of 170 mm.The fatigue life of the stainless steel straight pipe was predicted using experiments, Delale and Erdogan

Keywords： fatigue life     Delale and Erdogan method     RMS–SIF approach     stainless steel     torsion and bending load    

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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-columnsThus, according to the correlative design standard of steel structures, and on the basis of the numericaldiameter thin-walled tubes.Three tests of thin-walled steel tube beam-columns were reported.

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

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Prediction of cyclic large plasticity for prestrained structural steel using only tensile coupon tests

Liang-Jiu JIA, Tsuyoshi KOYAMA, Hitoshi KUWAMURA

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 466-476 doi: 10.1007/s11709-013-0219-5

Abstract: Cold-formed steel members, which experience complicated prestrain histories, are frequently applied inthe prestrained steels, and the second requires both the monotonic tensile test data from the virgin steel

Keywords： cyclic plasticity     prestrain     Chaboche model     mild steel    

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Corrosion damage assessment and monitoring of large steel space structures

Bo CHEN, You-Lin XU, Weilian QU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 354-369 doi: 10.1007/s11709-010-0088-0

Abstract: Large steel space structures, when exposed to a harsh corrosive environment, are inevitably subjectedThis paper proposes a framework for assessing the corrosion damage of large steel space structures subjectedThe proposed framework is applied to a real large steel space structure built in the southern coastalBased on the results, the conceptual design of the corrosion monitoring system of large steel space structures

Keywords： large steel space structure     atmospheric corrosion     stress corrosion cracking     corrosion damage     damage assessment    

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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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Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 615-623 doi: 10.1007/s11709-022-0828-y

Abstract: Different reinforcement configurations have been tested, such as short steel fibers, long steel fibers, and steel mesh reinforcement.The content of hybrid steel fibers was approximately 5% in the UHPFRC and HPFRC mixtures, while the steelIt was determined that the mixtures of UHPFRC and HPFRC containing 5% by volume of hybrid steel fibersshowed superior performance (smaller crater diameter and the less projectile penetration depth) against

Keywords： projectile impact     depth of penetration     fracture energy     crater diameter     UHPFRC    

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A pneumatic cylinder driving polyhedron mobile mechanism

Wan DING, Sung-Chan KIM, Yan-An YAO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 55-65 doi: 10.1007/s11465-012-0301-z

Abstract:

A novel pneumatic cylinder driving polyhedron mobile mechanism is proposed in this paper.The mechanism is comprised of 5 tetrahedrons which includes a pneumatic cylinder in each edge.

Keywords： mobile mechanism     polyhedron     cylinder    

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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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Investigation of flow dynamics and decrease of vortex noise inside volute of centrifugal fans

LI Chunxi, WANG Songling

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 235-240 doi: 10.1007/s11708-008-0040-3

Abstract: The generation, evolution, and noise of the vortex were investigated when cylinder-shaped and cone-cylinder-shapedNumerical results showed that large-scale vortices were broken effectively and the flow fields insideThe cone-cylinder-shaped anti-vortex ring was more effective than the cylinder-shaped one in breakinglarge-scale vortexes and decreasing vortex noise.

Keywords： cylinder-shaped     evolution     computational     effective     large-scale    

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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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Title Author Date Type Operation

Assembling and defect treatment of large-diameter shield segment

Cheng Xuewu,Xu Weiqing,Yang Zhiyong

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

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

Wang Zhenfei,He Feng,He Shanning

Journal Article

Development of Construction Technology and Equipment for Marine Bridges

Zhang Ruixia

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

Fatigue crack growth behavior of a 170 mm diameter stainless steel straight pipe subjected to combined

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

Prediction of cyclic large plasticity for prestrained structural steel using only tensile coupon tests

Liang-Jiu JIA, Tsuyoshi KOYAMA, Hitoshi KUWAMURA

Journal Article

Corrosion damage assessment and monitoring of large steel space structures

Bo CHEN, You-Lin XU, Weilian QU,

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

Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Journal Article

A pneumatic cylinder driving polyhedron mobile mechanism

Wan DING, Sung-Chan KIM, Yan-An YAO

Journal Article

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

Zhai Zhiguo,Huang xuejun,Yang Zhiyong

Journal Article

Investigation of flow dynamics and decrease of vortex noise inside volute of centrifugal fans

LI Chunxi, WANG Songling

Journal Article

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

Suo Xiaoming,Zhang Jiqing,Yang Yiqiu

Journal Article