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Construction technology of well shaft tower construction engineering

Yang Yiming,Huang Jiapin,Shen Xihua,Cao Yueqin and Ma Zhimin

Strategic Study of CAE 2012, Volume 14, Issue 2,   Pages 85-89

Abstract: # Coal Mine for example, the organizational characteristics of the well shaft tower and equipments, elevatorand other parallel operation of installation construction were introduced, and the technologies of towershaft slipform construction, six-disc hanging plate installation and permanent elevator installation

Keywords： parallel operations     well tower sliding     shaft equipment     elevator installation     construction technology    

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Elevator Configuration Based on the Markov Network Queuing Model

Zong Qun,Cheng Yiju,Song Junyuan

Strategic Study of CAE 2003, Volume 5, Issue 10,   Pages 69-72

Abstract:

The article applies the Markov network theory to build the elevator traffic model.Based on the model elevator configuration parameters of the serving stations are calculated, comparingMeanwhile the result shows the validity and feasibility of the method applied to elevator configuration

Keywords： Markov network queuing theory     elevator traffic model     optimizing elevator configuration    

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Modeling and Analysis of Elevator System Based on Timed-Coloured Petri Net

Zong Qun,Dou Liqian,Cheng Yiju

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 51-55

Abstract:

In this paper, an elevator running model based on timed-coloured Petri net is proposed.The running of elevator is classified according to the model.The running of elevator is controlled by the command of controller.of controller is composed of the color aggregates which have a connection with the running states of elevatorIn the end, an example of the application of the model in single elevator system and the elevator group

Keywords： Petri net     timed-coloured Petri net     the model of elevator     the running of elevator    

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Lifting installation and prestressed cable construction of suspendome roof for Wuhan Gymnasium

GUO Zhengxing, SHI Kairong, LUO Bin, TIAN Qiliang, WU Julong, BI Shuiyong

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 87-92 doi: 10.1007/s11709-008-0005-y

Abstract: According to the structural characteristics of the roof, the lifting installation of upper latticed shelland the installation and tension of lower prestressed cables are introduced in detail.

Keywords： practical     new-type     installation     consistent     Gymnasium    

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Installation technology of counterweight system of Three Gorges Project ship lift

Cai Chunhua and Luo Bin

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 70-76

Abstract:

The installation technology of counterweight system of Three Gorges ProjectThe overall installation procedure of counterweight system has been put forward which are suitable forThen the construction processes and construction methods of balance chain guide installation, balancingpulley installation, main hoist rope installation and counterweight installation have been describedAt the same time, the installation technology system of counterweight system is set up.

Keywords： Three Gorges Project ship lift     counterweight system     installation procedure     installation technology    

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Experimental and modeling studies on installation of arc sprayed Zn anodes for protection of reinforced

Xianming SHI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 1-11 doi: 10.1007/s11709-016-0312-7

Abstract: Arc sprayed zinc (Zn) anode on concrete surfaces has been an emerging technology for protecting reinforced concrete structures from rebar corrosion in coastal environments. Many cathodic protection (CP) systems with arc sprayed Zn anodes will reach or exceed their design life in the near future and thus may function improperly or insufficiently, making it necessary to replace the aged anodes. However, prior to this study, little was known about the most effective profile for the concrete surface, for either new concrete or old concrete with existing Zn anodes removed. This work develops criteria to properly prepare the concrete surface before the application of new Zn anode. Experimental studies were conducted both in the laboratory and for a field structure in Oregon. Artificial neural network was used to achieve better understanding of the complex cause-and-effect relationships inherent in the Zn-mortar or Zn–concrete systems and was successful in finding meaningful, logical results from the bond strength data. The goal is to achieve strong initial bond strength of new Zn to concrete, which is essential for long-term performance of the CP system. The results from this case study suggest that it is necessary to adjust the anode removal and surface sandblasting based on the electrochemical age of the existing concrete. In all cases of sandblasting, minimize the exposure of large aggregates (e.g., those bigger than 19 mm in diameter).

Keywords： arc sprayed Zn     anode replacement     reinforced concrete     bridge preservation     neural networks     surface profile    

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Energy and economic analysis of a point-focus concentrating photovoltaic system when its installation

C. RENNO, A. PERONE

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 384-395 doi: 10.1007/s11708-020-0717-9

Abstract: analyze energy and economic performances of a point-focus CPV system for a residential user when its installation

Keywords： CPV system     point-focus     experimental model     energy and economic analysis    

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Installation and demolition technology of Bailey truss of Three Gorges Project ship lift

Liu Yong,Chen Jianxia

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 77-82

Abstract:

The installation and demolition of Bailey truss support system of Threeof the narrow construction site, high construction strength, and big construction disturbance, the installationThe installation and demolition technology system of bailey truss support system has been establishedThis technology system ensures the smooth implementation of the installation and demolition of bailey

Keywords： ship lift     Bailey truss     installation     demolition     Three Gorges Project    

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The split installation and application of offshore wind turbine generator systems

Sun Guangxi,Huang Yaxin

Strategic Study of CAE 2010, Volume 12, Issue 11,   Pages 53-59

Abstract:

The installation methods used in offshore wind farm around the worldwere summarized, and the process of split installation, the set necessity and principles of assemblyAn installation method was proposed by sitting of the diving boat.The diving installation ship was made by installing a crane, and was located in the seabed during theThe installation method is suitable for offshore wind farm construction.

Keywords： offshore wind farm     method of assembled on shore     method of split installation     application    

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Control measures of installation precision of Three Gorges Project ship lift rack and nut column

Wei Yan,Peng Hanlin,Lin Fan

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 91-96

Abstract:

According to technology requirements of installation precision and characteristicsmethod and installation accuracy control elements have been in detailed analysis, put forward the suitablerack, nut column installation construction process and control measures for Three Gorges Project shipIn engineering practice, use the test of datum point to control installation precision of the rack andThus various high precision standard technical difficulties of installation of the rack, nut column,

Keywords： Three Gorges Project ship lift     rack     nut column     installation of control     precision control    

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High precision installation technology of metal structure embedded parts of Three Gorges Project ship

Wei Shuman,Zhang Weiming and Li Chenzhi

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 87-90

Abstract: parts, and combined with the site construction environment, this article analyzes the high precision installation

Keywords： ship lift     metal structure embedded parts     high precision     installation technology     Three Gorges Project    

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Design and Experimental Research on a New Pipe Rupture Valve

HU Guo-liang, XU Bing, YANG Hua-yong, ZHANG Yi-ding

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 26-32 doi: 10.1007/s11465-005-0009-4

Abstract:

A new pipe rupture valve for hydraulic elevator is designed.Mathematical models established for the hydraulic elevator system are used in numerical simulations onThe effects of different viscous damping diameters, inlet pressures of pipe rupture valve, and elevatorloads on the hydraulic elevator system s dynamic performance are analyzed.Experimental research is also carried out using a hydraulic elevator experiment rig.

Keywords： Mathematical     designing requirement     numerical     hydraulic elevator     EN81-2 standard    

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: The general availability growth models for large scale complicated repairable system such as electric generating units, power station auxiliaries, and transmission and distribution installations are presented. The calculation formulas for the maintenance coefficient, mathematical expressions for general availability growth models, ways for estimating, and fitting on checking the parameters of the model are introduced. Availability growth models for electric generating units, power station auxiliaries, and transmission and distribution installations are given together with verification examples for availability growth models of 320–1000 MW nuclear power units and 1000 MW thermal power units, 200–1000 MW power station auxiliaries, and 220–500 kV transmission and distribution installations. The verification results for operation availability data show that the maintenance coefficients for electric generating units, power station auxiliaries, transmission and distribution installations conform to the power function, and general availability growth models conform to rules of availability growth tendency of power equipment.

Keywords： system     power equipment     electric generating unit     power station auxiliary     transmission and distribution installation    

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Evacuation strategies for vertical ship lift during initial fire: Integrated application of stairs and elevators

Shu CHEN, Menghan SHANG, Jianping WANG

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 135-147 doi: 10.1007/s42524-020-0125-1

Abstract: and exit selection are the main influencing factors of the total evacuation time in the stair- and elevator-coordinated

Keywords： vertical ship lift     initial fire     fire evacuation     numerical simulation     stair     elevator    

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Research on the special lifting device for steel box girders of Sutong Bridge

Chen Ming,Wu Qihe,Luo Chengbin,Zhou Hanfa

Strategic Study of CAE 2009, Volume 11, Issue 3,   Pages 65-70

Abstract:

Sutong Bridge is a cable stayed bridge with a steel box girder and a main span of 1 088 m. The steel box girder of main-span includes five portions: back span large unit, large block of pylon, standard girder, back span closure girder and middle span closure girder. Each back span large unit was fabricated by welding several deck segments together in factory, and was erected by floating crane. Due to the high of navigational clearance of the main bridge, the traditional truss lifting device couldn't satisfy the requirement of domestic lifting cranes for this kind of lifting height and weight. Hence, a kind of lighter lifting device for the erection of back span large units was accepted for this bridge. In this paper, the design and use of this lifting device is introduced.The upper structure used lifting gantry to install the standard girder segment by cantilever method. Because the bridge's navigation clearance is high, and the girder segment is wide and heavy, the meteorology and hydrology condition of the bridge district is abominable, and the requirements of long cable girder side pull-in, structure and performance propose high request to the lifting gantry. In this paper, key points of designing and using long cable pull-in angle adjustment device integrate into lifting gantry are introduced.

Keywords： Sutong Bridge     large units     lifting device     cantilever installation     lifting gantry     design and use    

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Title Author Date Type Operation

Construction technology of well shaft tower construction engineering

Yang Yiming,Huang Jiapin,Shen Xihua,Cao Yueqin and Ma Zhimin

Journal Article

Elevator Configuration Based on the Markov Network Queuing Model

Zong Qun,Cheng Yiju,Song Junyuan

Journal Article

Modeling and Analysis of Elevator System Based on Timed-Coloured Petri Net

Zong Qun,Dou Liqian,Cheng Yiju

Journal Article

Lifting installation and prestressed cable construction of suspendome roof for Wuhan Gymnasium

GUO Zhengxing, SHI Kairong, LUO Bin, TIAN Qiliang, WU Julong, BI Shuiyong

Journal Article

Installation technology of counterweight system of Three Gorges Project ship lift

Cai Chunhua and Luo Bin

Journal Article

Experimental and modeling studies on installation of arc sprayed Zn anodes for protection of reinforced

Xianming SHI

Journal Article

Energy and economic analysis of a point-focus concentrating photovoltaic system when its installation

C. RENNO, A. PERONE

Journal Article

Installation and demolition technology of Bailey truss of Three Gorges Project ship lift

Liu Yong,Chen Jianxia

Journal Article

The split installation and application of offshore wind turbine generator systems

Sun Guangxi,Huang Yaxin

Journal Article

Control measures of installation precision of Three Gorges Project ship lift rack and nut column

Wei Yan,Peng Hanlin,Lin Fan

Journal Article

High precision installation technology of metal structure embedded parts of Three Gorges Project ship

Wei Shuman,Zhang Weiming and Li Chenzhi

Journal Article

Design and Experimental Research on a New Pipe Rupture Valve

HU Guo-liang, XU Bing, YANG Hua-yong, ZHANG Yi-ding

Journal Article

Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Journal Article

Evacuation strategies for vertical ship lift during initial fire: Integrated application of stairs and elevators

Shu CHEN, Menghan SHANG, Jianping WANG

Journal Article

Research on the special lifting device for steel box girders of Sutong Bridge

Chen Ming,Wu Qihe,Luo Chengbin,Zhou Hanfa

Journal Article