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Key Technologies in the Design and Construction of 300 m Ultra-High Arch Dams

Renkun Wang

Engineering 2016, Volume 2, Issue 3, Pages 350-359 doi: 10.1016/J.ENG.2016.03.012

Abstract:

Starting with the Ertan arch dam (240 m high, 3300 MW) in 2000, China successfully built a total ofseven ultra-high arch dams over 200 m tall by the end of 2014.team successfully tackled these challenges and made critical breakthroughs, especially in the area of safetym ultra-high arch dams, including the strength and stability of foundation rock, excavation of the dambase and surface treatment, dam shape optimization, safety design guidelines, seismic analysis and design

Keywords： Ultra-high arch dam Shape optimization Arch dam overall safety Seismic safety Concrete temperature control

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Long-term dam safety monitoring of Punt dal Gall arch dam in Switzerland

M. WIELAND, G.F. KIRCHEN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1, Pages 76-83 doi: 10.1007/s11709-012-0144-z

Abstract: The dam is founded on highly folded and partially crushed dolomite and limestone formations.For the monitoring of the dam deformations five inverted pendulums were installed in the dam and threein the rock foundation of the right abutment outside of the dam.The paper describes the long-term safety monitoring of this 42 years old arch dam.A short description of the Swiss practice in dam safety monitoring and emergency planning is also given

Keywords： dam safety concept arch dam dam instrumentation dam safety monitoring

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Analysis of arch dam deformations

Franz PERNER, Pius OBERNHUBER,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1, Pages 102-108 doi: 10.1007/s11709-010-0012-7

Abstract: deformations is an essential part of dam surveillance.an alarm is triggered in the case of larger deviations.The main contributors to the deformations of archloading and the portion caused by temperature variation.The present article deals with the analysis of archdam deformations based on hybrid models.dam.

Keywords： arch dam analysis Zillergruendl concrete temperature hybrid model

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Key problems and solutions in arch dam heightening

Zuoguang FU, Yunlong HE, Sheng SU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1, Pages 98-104 doi: 10.1007/s11709-010-0004-7

Abstract: Three problems should be dealt with when an arch dam needs to be heightened: stress state getting worseat dam heel, cracking on new added concrete dam surface, and weak bonding between new added concreteand old dam.Taking Geba arch dam as an example, these problems are examined in details through simulation analysisThe tensile stresses on dam’s surface and joint face that have certain relations to the dam heightening

Keywords： arch dam heighten tensile stress finite element method

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Numerical simulation of damage in high arch dam due to earthquake

Hong ZHONG , Gao LIN , Hongjun LI

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3, Pages 316-322 doi: 10.1007/s11709-009-0039-9

Abstract: assumption that concrete is macroscopic homogeneous, the cracking evolution process and damage mode of high archcombine with the Mohr-Coulomb criterion to investigate the crack development and fracture mode of high archThe analysis result of a high arch dam in China under design shows that cracks that take place in concreteThe cracks initiate at the middle of the dam top and distribute at the upper half of the dam while the

Keywords： mesoscopic heterogeneity damage simulation in earthquakes arch dam

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Research on operation behavior of multiple arch dam

Gu Chongshi,Li Xuehong

Strategic Study of CAE 2000, Volume 2, Issue 10, Pages 93-97

Abstract:

The multiple arch dam is sensitively affected by its environment because of its thin structure.Based on the observation data, the operation behaviors of Meishan and Foziling multiple arch dams are

Keywords： multiple arch dam operation behavior unfavorable loading condition comparative analysis

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Features of seismic hazard in large dam projects and strong motion monitoring of large dams

Martin WIELAND,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1, Pages 56-64 doi: 10.1007/s11709-010-0005-6

Abstract: Earthquakes can affect large dam projects in many different ways.Among these dams were the 132-m-high Shapai RCC arch dam and the 156-m-high Zipingpu concrete face rockfilldam.These recently completed dams are dam types which, up to now, have not experienced strong ground shakingIt is proposed to prepare project-specific safety plans for all dams, which consist of a matrix where

Keywords： seismic hazard arch dam concrete face rockfill dam strong motion instrumentation reservoir-triggered

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China's High Dams Construction and Research on Science and Technology

Chen Zongliang

Strategic Study of CAE 2000, Volume 2, Issue 12, Pages 84-89

Abstract: The scientific and technological achievements and their application in geologic exploration, dam construction, flood discharging and energy dissipation, treatment of dam foundation and treatment of high rock slopeErtan double curvature concrete arch dam, the 178 m- high Tianshenqiao No. 1 CFRD, the 182 m- high HongjiaduCFRD, the 233 m~high Shuibuya CFRD, the 130 m- high Shapai RCC arch dam, the 131 m- high Jiangya RCCgravity dam, etc.

Keywords： hydroelectric power high dam gravity dam arch dam roller compacted concrete dam (RC-CD) concrete facerockfill dam (CFRD)

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Shape design of arch dams under load uncertainties with robust optimization

Fengjie TAN, Tom LAHMER

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4, Pages 852-862 doi: 10.1007/s11709-019-0522-x

Abstract: The focus of this paper is on the non-probabilistic-based design of new arch-type dams by applying meansThis leads to a bi-level optimization program where the volume of the dam is optimized under the worstThe optimization of an arch-type dam is realized here by a robust optimization method under load uncertaintyBy this means, the robust design can generate an improved arch dam structure that ensures both safety

Keywords： arch dam shape optimization robust optimization load uncertainty approximation model

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Analysis of foundation sliding of an arch dam considering the hydromechanical behavior

Maria Luísa Braga FARINHA, José Vieira de LEMOS, Emanuel MARANHA DAS NEVES

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1, Pages 35-43 doi: 10.1007/s11709-012-0142-1

Abstract: This paper presents the application of a methodology which can be used to assess arch dam foundation/foundation interface, and the safety of the dam/foundation system was evaluated using a process of reductionof strength characteristics, with the aim of calculating the minimum safety factors that ensure stability, commonly used in concrete dam design.The relevance of carrying out hydraulic analysis in arch dam foundation failure studies is highlighted

Keywords： concrete dams rock foundations hydromechanical behavior failure analysis

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Effect of Perimeter Joint on the Performance of Xiaowan High Arch Dam

Du Chengbin,Ren Qingwen

Strategic Study of CAE 2000, Volume 2, Issue 9, Pages 70-75

Abstract:

The nonlinear effect of perimeter joint on the performance of Xiao Wan high arch dam (292.0m high)Variation of the stress and displacement at the key location of the arch dam with perimeter joint onCrack and yield near dam heel with or without joint are studied, The result of analysis demonstratesnear dam heel with joint has a great improvement ,while little difference of stress and displacementoccurs on the other location of the dam.

Keywords： perimeter joint nonlinear FEM Xiaowan high arch dam crack yield

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Theory and application of system integration in real-time control on high arch dam construction

Ren Bingyu,Wu Binping

Strategic Study of CAE 2011, Volume 13, Issue 12, Pages 84-90

Abstract: ="text-align: justify;">A method of applying system integration theory to real-time control on high archdam construction was proposed to fit the strong complexity and randomness in the construction processA system integrated framework of real-time control on high arch dam construction was designed.the theory and the system can realize integrated control and analysis dynamically, and improve the dam

Keywords： real-time control system integration data integration network platform high arch dam construction

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Hydroelastic model experimental study on large scale high arch dam vibration by discharge flow

Ma Bin,Lian Jijian,Yang Min

Strategic Study of CAE 2008, Volume 10, Issue 11, Pages 23-29

Abstract: Based on Laxiwa arch dam, the hydroelastic model with a scale of 1∶100 is built, which is made of weightedThe fluid-structure coupling system consisted of dam, foundation, water and fluctuatinon pressure issimulated overall.Overall test and analysis of the modals and vibration response of dam and appurtenant structure underdetermined by inverse analysis method for flow induced vibration, then the dynamic response of the dam

Keywords： Laxiwa arch dam hydroelastic model flow-induced vibration vibration response inverse analysis

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Effect of Discharge Facilities for Unusual Flood Release on Dam Safety

Wu Shiqiang,Jiang Shuhai

Strategic Study of CAE 2000, Volume 2, Issue 12, Pages 66-72

Abstract:

To predict the risk assessment of a dam which constructs two special tunnels for unusual flood release

Keywords： dam safety flood discharge risk analysis stochastic differential equation

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Long-term behavior and safety assessment of Sance Rockfill Dam

Marta DOLEZALOVA, Ivo HLADIK

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1, Pages 79-89 doi: 10.1007/s11709-010-0010-9

Abstract: Safety assessment of the 62 m high Sance Rockfill Dam based on long-term monitoring results and theirsettlements and horizontal movements of the crest together with the steep downstream slope questioned the safetyof the dam.Calibrated 2D and 3D models fitting the monitoring results were applied for the safety assessment ofThe modeling results contributed to the rehabilitation concept and project of the dam.

Keywords： rockfill dam path dependence creep calibration cracking hydraulic fracturing hazard