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Study on four-step operational mode prototype debugging of TGP lock under impounded level 156 m in the

Hu Ya’an,Zhang Ruikai,Li Yun

Strategic Study of CAE 2009, Volume 11, Issue 9, Pages 52-58

Abstract: text-align: justify;">This paper expounds the superiority of adopting four-step operational mode for TGPlock under impounded level 156 m in the finishing construction period, and demonstrates the feasibilityof the 1st-bifurcation at mid chamber has been basically eliminated, the working conditions of the lockwater head 45.2 m has been confirmed well, therefore, the four-step operational mode can be adopted for TGPlock.

Keywords： TGP lock operational mode prototype debugging

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Innovation of Management and Science and Technology in Phase I Construction of TGP

Dai Huichao,Cao Guangjing

Strategic Study of CAE 2005, Volume 7, Issue 1, Pages 50-59

Abstract:

The Three Gorges Project (TGP) has the characteristic of engineering largeness and technology complexityThe Phase Ⅱ construction of TGP, in terms of storing water, navigation and power generation, has beenBreakthroughs have been made in a number of key technology problems, such as the TGP general layout and

Keywords： Three Gorges dam hydropower station ship lock generating set river closure management

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Influence of fluid-structure interaction on vortex induced vibration and lock-in phenomena in long span

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4, Pages 363-384 doi: 10.1007/s11709-016-0353-y

Abstract: Shedding frequencies for the associated wind velocities in the lock-in region are calculated in boththe two-way approach predicts earlier vortex induced vibration for lower critical wind velocities and lock-in

Keywords： vortex-induced vibration fluid-structure interaction Strouhal number lock-in kinetic energy

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Phase Ⅲ RCC Cofferdam Construction of TGP

Zhang Shuguang

Strategic Study of CAE 2003, Volume 5, Issue 11, Pages 79-81

Abstract:

The phase Ⅲ RCC cofferdam construction belongs to the phase Ⅲ diversion works. It is a key item to ensure achievement of the reservoir impoundment, navigation and power generation in 2003 and the guarantee to the safety construction of the follow-up right-bank intake dam section and the powerhouse. Restrained by navigation while construction, the construction site and duration, both the concreting intensity and the rise height of the phase Ⅲ RCC cofferdam exceed the current construction level. In view of these difficulties, a huge amount of research work has been performed by relevant departments and is described in the paper.

Keywords： TGP RCC cofferdam concrete

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The practice of project construction and management of Three Gorges shiplock

Fan Qixiang,Yang Zongli,Liu Gang

Strategic Study of CAE 2011, Volume 13, Issue 7, Pages 91-95

Abstract:

The double-line five-step ship-lock of Three Gorges Project is an extra-largeThe ship-lock is a challenging and world-class project integrating the advanced techniques and equipmentThrough 17-year construction and 9-year operation of the ship-lock, various difficulties in design, constructionsummarized according to the management practice of the second stage main works of Three Gorges ship-lock

Keywords： project management Three Gorges Project ship-lock

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Practice and Experimental Verification of TGP’s Permanent Shiplock Slope

Zhang Chaoran

Strategic Study of CAE 2001, Volume 3, Issue 5, Pages 22-27

Abstract:

The high slope for the permanent shiplock of the Three Gorges Project (TGP), excavated from the mountain

Keywords： TGP permanent shiplock high slope

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The design of double line five step ship-lock of Three Gorges Project

Niu Xingqiang,Tong Di,Song Weibang

Strategic Study of CAE 2011, Volume 13, Issue 7, Pages 85-90

Abstract:

The general design and layout of the double line five step ship lock, the water delivery technique for high head ship lock, the key technical problems of fully lined ship-lockmiter gates and hoisting equipment under complicated operation conditions of the Three Gorges Project (TGPSince the operation of ship lock in 2003, the operation practice has proved that the design techniquespractice of ship lock projects, which makes the construction technology of ship lock in the world reach

Keywords： Three Gorges Project double-line five-step design of ship-lock

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The Generating Lock P<G，X，X'>and Its Central Encrypting System

Shi Kaiquan,Chen Zexiong

Strategic Study of CAE 2000, Volume 2, Issue 2, Pages 41-46

Abstract:

The conception of the generating lock P <G ,X, X´> and the centralThese systems include the generating lock P<G ,X, X´> and single-tooth central encryptingsystem, and the generating lock P <G ,X, X´> and multi-tooth central encrypting

Keywords： the generating lock the central encrypting system multi-tooth encrypting-decrypting algorithm P X X

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ENABLING CROP DIVERSIFICATION TO SUPPORT TRANSITIONS TOWARD MORE SUSTAINABLE EUROPEAN AGRIFOOD SYSTEMS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3, Pages 474-480 doi: 10.15302/J-FASE-2021406

Abstract:

European cropping systems are often characterized by short rotations or even monocropping, leading to environmental issues such as soil degradation, water eutrophication, and air pollution including greenhouse gas emissions, that contribute to climate change and biodiversity loss. The use of diversification practices (i.e., intercropping, multiple cropping including cover cropping and rotation extension), may help enhance agrobiodiversity and deliver ecosystem services while developing new value chains. Despite its benefits, crop diversification is hindered by various technical, organizational, and institutional barriers along value chains (input industries, farms, trading and processing industries, retailers, and consumers) and within sociotechnical systems (policy, research, education, regulation and advisory). Six EU-funded research projects have joined forces to boost crop diversification by creating the European Crop Diversification Cluster (CDC). This Cluster aggregates research, innovation, commercial and citizen-focused partnerships to identify and remove barriers across the agrifood system and thus enables the uptake of diversification measures by all European value-chain stakeholders. The CDC will produce a typology of barriers, develop tools to accompany actors in their transition, harmonize the use of multicriteria assessment indicators, prepare policy recommendations and pave the way for a long-term network on crop diversification.

Keywords： crop rotation lock-in intercropping multiple cropping networking

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Selection and Verification of the Structural Pattern of the Penstock and Spiral Case of the TGP Power-station

Dai Huichao,Peng Peng

Strategic Study of CAE 2004, Volume 6, Issue 2, Pages 33-37

Abstract: introduced the selection and verification of the structural pattern of the penstock and spiral case of the TGPThe decisions on the key technical issues in the construction of the TGP were made based on a huge numberThe selection of the structural pattern of the penstock and spiral case in the TGP power-station is not

Keywords： TGP penstock spiral case

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Major Difficult Problems in the Construction of the Three Gorges Project

Wang Jiazhu

Strategic Study of CAE 2003, Volume 5, Issue 8, Pages 16-22

Abstract:

As the largest in the world by far,the Three Gorges Project (TGP )is a multipurpose development and

Keywords： TGP science and technology difficult problems

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Sediment Management for TGP

Lin Bingnan,Zhou Jianjun

Strategic Study of CAE 2004, Volume 6, Issue 4, Pages 30-33

Abstract: In view of the importance of TGP, however, further investigation with physical models and mathematical

Keywords： sediment management reservoir suspended load deposition flood stage

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Practice and Quest of Quality Control in Three Gorges Project

Wang Jiazhu,Xu Changyi

Strategic Study of CAE 2001, Volume 3, Issue 10, Pages 77-81

Abstract:

The Three Gorges Project (TGP) is a vitally important and backbone project in the development andBased on a detailed introdution of the TGP quality assurece and quality control, the paper give some

Keywords： Three Gorges Project (TGP) quality assurece quality control

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Dam Concrete Placement by Towerbelt

Peng Gang

Strategic Study of CAE 2004, Volume 6, Issue 9, Pages 77-80

Abstract: key issues are discussed in the paper at combination with the phase Ⅱ concrete construction of the TGP

Keywords： TGP towerbelfs pouring concrete

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Technical Breakthroughs in the Construction of TGP

Zhang Chaoran,Dai Huichao

Strategic Study of CAE 2003, Volume 5, Issue 2, Pages 20-25

Abstract:

The huge Three Gorges Project is technically complex. Quite a lot of technical breakthroughs have been made on the issues such as river closure of the Grand Channel and concrete construction of the cutoff wall, prompt concrete construction of dam, high slope construction of permanent shiplock, large-scale steel-lined reinforced concrete penstocks of power station and temperature and pressure maintaining of the spiral case, asphalt concrete core wall, metal works of the shiplock, turbine generating units, and so on.

Keywords： Three Gorges Project key technique breakthroughs