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Design and construction of super-long span bridges in China: Review and future perspectives

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 803-838 doi: 10.1007/s11709-020-0644-1

Abstract: Super-long span bridges demand high design requirements and involve many difficulties when constructedOver the past three decades, a large percentage of the new long-span bridges around the world were builtbridges during the past decades as well as the current operation status of the existing long-span bridgesinformation technology, which is expected to guide the development direction for the construction of future superlong-span bridges and promote China to become a strong bridge construction country.

Keywords： long-span bridges     steel box girder     design technology     construction technology     review and future perspectives    

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Challenges and Thoughts on Risk Management and Control for the Group Construction of a Super-Long Tunnel Article

Mingjiang Deng

Engineering 2018, Volume 4, Issue 1,   Pages 112-122 doi: 10.1016/j.eng.2017.07.001

Abstract:

The total length of the second stage of the water supply project in the northern areas of the Xinjiang Uygur Autonomous Region is 540 km, of which the total length of the tunnels is 516 km. The total tunneling mileage is 569 km, which includes 49 slow-inclined shafts and vertical shafts. Among the tunnels constructed in the project, the Ka–Shuang tunnel, which is a single tunnel with a length of 283 km, is currently the longest water-conveyance tunnel in the world. The main tunnel of the Ka–Shuang tunnel is divided into 18 tunnel-boring machine (TBM) sections, and 34 drilling-and-blasting sections, with 91 tunnel faces. The construction of the Ka–Shuang tunnel has been regarded as an unprecedented challenge for project construction management, risk control, and safe and efficient construction; it has also presented higher requirements for the design, manufacture, operation, and maintenance of the TBMs and their supporting equipment. Based on the engineering characteristics and adverse geological conditions, it is necessary to analyze the major problems confronted by the construction and systematically locate disaster sources. In addition, the risk level should be reasonably ranked, responsibility should be clearly identified, and a hierarchical-control mechanism should be established. Several techniques are put forward in this paper to achieve the objectives mentioned above; these include advanced geological prospecting techniques, intelligent tunneling techniques combined with the sensing and fusion of information about rock parameters and mechanical parameters, monitoring and early-warning techniques, and modern information technologies. The application of these techniques offers scientific guidance for risk control and puts forward technical ideas about improving the efficiency of safe tunneling. These techniques and ideas have great significance for the development of modern tunneling technologies and research into major construction equipment.

Keywords： Super-long tunnels     Group construction by TBM     Risk management and control     Technical measures    

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Computational methods in super-resolution microscopy Review

Zhi-ping ZENG, Hao XIE, Long CHEN, Karl ZHANGHAO, Kun ZHAO, Xu-san YANG, Peng XI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9,   Pages 1222-1235 doi: 10.1631/FITEE.1601628

Abstract: The broad applicability of super-resolution microscopy has beenwidely demonstrated in various areas andThe optimizationand improvement of algorithms used in super-resolution microscopyare of great importancefor achieving optimal quality of super-resolutionimaging.In this review, we comprehensively discuss the computationalmethods in different types of super-resolutionmicroscopy, includingdeconvolution microscopy, polarization-based super-resolution microscopy,structured

Keywords： Super-resolution microscopy     Deconvolution     Computational methods    

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Research of the aerostatic and aerodynamic stability of super long-span cable-stayed bridges

Zhang Xinjun and Sun Hailing

Strategic Study of CAE 2014, Volume 16, Issue 3,   Pages 50-58

Abstract: to investigate the aerostatic and aerodynamic stability of a super long- span cable- stayed bridge withconsidering from the aspect of wind stability，the availability of using the cable- stayed bridge in superlong- span bridges whose main span exceeds1000m is discussed.In addition，parametric analysis on the aerostatic and aerodynamic stability of super long-span cable-stayedlong- span bridges whose main span exceeds1000m；the super long- span cable- stayed bridge becomes more

Keywords： super long-span cable-stayed bridge     aerostatic stability     aerodynamic stability     design parameter    

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Performance-based Fire Protection Designs and Analyses for Occupant Evacuations in Super-long Road Tunnels

Chen Changkun,Xu Zhisheng

Strategic Study of CAE 2007, Volume 9, Issue 9,   Pages 78-83

Abstract:

In this paper,  the evacuation characteristics of occupants in super- long road tunnels in the case of fires were analyzed and the corresponding safety criteria for evacuations And the performance-based fire protection designs for occupant evacuations in super-long tunnelsThe investigation for the performance- based fire protection designs for the occupant evacuations in super-long

Keywords： evacuation     fire     super-long tunnel     transverse passageway     performance- based fire protection design    

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Aerodynamic stability evolution tendency of suspension bridges with spans from 1000 to 5000 m

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0980-z

Abstract: to aerostatic and flutter-related failures is a significant concern in the wind-resistant design of long-spanflutter, and more aerodynamic configuration optimistic optimizations for flutter are essential for superlong-span suspension bridges with spans longer than 3000 m.

Keywords： suspension bridge     super long-span     finite element model     aerodynamic instability     aerodynamic configuration    

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Research on the transport technology of coiled main cable strands with super length and large size

Lu Jianfeng,Gu Qinghua,Zhang Hailiang,Shen Wang,Zhou Song

Strategic Study of CAE 2010, Volume 12, Issue 7,   Pages 13-17

Abstract:

 The transport technology of coiled main cable strands with super

Keywords： super long     large size     cable strand     coiled cable strand     transport    

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The manufacturing technology research of the super length and big specification and high strength main

Zhang Hailiang,Shen Wang,Li Gang,Guo Jian

Strategic Study of CAE 2010, Volume 12, Issue 7,   Pages 8-12

Abstract: Xihoumen Bridge, the paper further researched the manufacturing technology of main cable strand with superIt provided a technique research foundation for main cable strand of super long span suspension bridge

Keywords： super long span     big specification     1 860 MPa     4 250 m     fatigue test     putting the cables test    

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Breeding strategies for increasing yield potential in super hybrid rice

Shihua CHENG,Xiaodeng ZHAN,Liyong CAO

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 277-282 doi: 10.15302/J-FASE-2015081

Abstract: Super hybrid rice breeding is a new breeding method combining semi-dwarf breeding and heterosis breedingThis paper reviews the breeding strategies of super hybrid rice breeding in China, focusing on the utilizationTo develop super hybrid rice, considerable effort should be made to explore genes related with high yieldMolecular breeding methods in combination with crossing techniques should be adopted in super hybrid

Keywords： super hybrid rice     breeding strategies     yield potential    

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Tool wear mechanisms in the machining of Nickel based super-alloys: A review

Waseem AKHTAR,Jianfei SUN,Pengfei SUN,Wuyi CHEN,Zawar SALEEM

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 106-119 doi: 10.1007/s11465-014-0301-2

Abstract:

Nickel based super-alloys are widely employed in aircraft engines and gas turbines due to their highThis study provides a detailed review of the tool wear mechanism in the machining of nickel based super-alloys

Keywords： tool wear     nickel based super-alloy     wear mechanism    

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Sulige Gas Field super project

Wenrui HU, Jingwei BAO, Pengcheng JI

Frontiers of Engineering Management 2017, Volume 4, Issue 3,   Pages 379-384 doi: 10.15302/J-FEM-2017107

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Behaviors of super-long span prestressed cable-stayed bridge with CFRP cables and UHPC girder

Fang Zhi,Ren Liang,Fan Fenghong

Strategic Study of CAE 2012, Volume 14, Issue 7,   Pages 53-59

Abstract: applicability of carbon fiber reinforced polymer (CFRP) cables and reactive powder concrete (RPC)in superlong span cable stayed bridges, taking a 1 008 m cable stayed bridge using steel girder and steel cablesdurable cable stayed bridge of concrete structure and make its applicable span reach about 1 000 m long

Keywords： cable-stayed bridge     CFRP     RPC     mechanical properties    

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Cross-stacked super-aligned carbon nanotube/activated carbon composite electrodes for efficient water

Min Li, Shuai Liang, Yang Wu, Meiyue Yang, Xia Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1286-1

Abstract: Abstract • A high-performance electrode was prepared with super-aligned carbon nanotubes. • SACNT/ACThe current study demonstrated a novel super-aligned carbon nanotube (SACNT)/activated carbon (AC) composite

Keywords： Carbon nanotube     Super aligned     Conductive membrane     Capacitive deionization     Ultrafiltration     Desalination    

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Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1456-9

Abstract:

• A ZnO-biochar hybrid composite was prepared by solvothermal-pyrolysis synthesis.

Keywords： Selectivity     Adsorption     Re(VII)     ZnO     Biochar    

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Title Author Date Type Operation

Design and construction of super-long span bridges in China: Review and future perspectives

Journal Article

Challenges and Thoughts on Risk Management and Control for the Group Construction of a Super-Long Tunnel

Mingjiang Deng

Journal Article

Computational methods in super-resolution microscopy

Zhi-ping ZENG, Hao XIE, Long CHEN, Karl ZHANGHAO, Kun ZHAO, Xu-san YANG, Peng XI

Journal Article

Research of the aerostatic and aerodynamic stability of super long-span cable-stayed bridges

Zhang Xinjun and Sun Hailing

Journal Article

Performance-based Fire Protection Designs and Analyses for Occupant Evacuations in Super-long Road Tunnels

Chen Changkun,Xu Zhisheng

Journal Article

Aerodynamic stability evolution tendency of suspension bridges with spans from 1000 to 5000 m

Journal Article

Research on the transport technology of coiled main cable strands with super length and large size

Lu Jianfeng,Gu Qinghua,Zhang Hailiang,Shen Wang,Zhou Song

Journal Article

The manufacturing technology research of the super length and big specification and high strength main

Zhang Hailiang,Shen Wang,Li Gang,Guo Jian

Journal Article

Breeding strategies for increasing yield potential in super hybrid rice

Shihua CHENG,Xiaodeng ZHAN,Liyong CAO

Journal Article

Tool wear mechanisms in the machining of Nickel based super-alloys: A review

Waseem AKHTAR,Jianfei SUN,Pengfei SUN,Wuyi CHEN,Zawar SALEEM

Journal Article

Sulige Gas Field super project

Wenrui HU, Jingwei BAO, Pengcheng JI

Journal Article

Behaviors of super-long span prestressed cable-stayed bridge with CFRP cables and UHPC girder

Fang Zhi,Ren Liang,Fan Fenghong

Journal Article

Cross-stacked super-aligned carbon nanotube/activated carbon composite electrodes for efficient water

Min Li, Shuai Liang, Yang Wu, Meiyue Yang, Xia Huang

Journal Article

Qin Shunquan: Research on Structural System of Super Long Span Cable Stayed Bridge (2019.7.6)

秦顺全(高级职称)

22 Apr 2021

Conference Videos

Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic

Journal Article