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Numerical analysis of nonlinear dynamic behavior of earth dams

Babak EBRAHIMIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1, Pages 24-40 doi: 10.1007/s11709-010-0082-6

Abstract: A numerical study is conducted to investigate the dynamic behavior of earth dams.For the latter, the Long Valley (LV) earth dam subjected to the 1980 Mammoth Lake earthquake as a realAfterwards, a comprehensive parametric study is carried out to identify the effects of dam height, inputmotion characteristics, soil behavior, strength of the shell materials and dam reservoir condition onthe dynamic response of earth dams.

Keywords： earth dam numerical nonlinear response dynamic analysis earthquake dam height

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In situ-based assessment of soil liquefaction potential–Case study of an earth dam in Tunisia

Ikram GUETTAYA,Mohamed Ridha EL OUNI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4, Pages 456-461 doi: 10.1007/s11709-014-0259-5

Abstract: The present paper examines the evaluation of liquefaction potential of an earth dam foundation in Tunisia

Keywords： liquefaction cone penetration test (CPT) standard penetration test (SPT) vibrcompaction sand

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Analysis of seepage monitoring for an earth dam model with distributed optical fiber sensors

Zhu Pingyu,Jiang Guilin,Leng Yuanbao

Strategic Study of CAE 2011, Volume 13, Issue 3, Pages 82-85

Abstract:

A monitoring system of seepage and settlement for an earth embankmentdam model using fully distributed optical fiber sensing technology is built to simulate seepages inearth dam.The relationship between the load applied on the earth dam model and the strain of optical fiber sensorsThe relationship between the load applied on the model and the gravity of collapsed earth is also got

Keywords： optical fiber sensing technology earth dam model monitoring strain ANSYS

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Treatment of Highly Weathered Rock Mass at the Abutment of Earth-Rock Dam in Qiaoqi Hydropower Project

Wang Shougen

Strategic Study of CAE 2005, Volume 7, Issue 3, Pages 78-83

Abstract:

The abutment is the part where the by-pass seepage and contact erosion often happen to make the damnormally, which is the key point during design and construction, so Design Specifications for Rolled Earth-RockThe spreading gradation earth-rock fill dam with crushed-stone-earth core wall is 123m high, and the

Keywords： Qiaoqi Hydropower Station earth-rock dam treatment of abutment highly weathered rock mass consolidation

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The Engineering Characteristics and Design of the Crushed Stones and Earth as Impervious Material forthe Dam in Qiaoqi Hydropower Station

Wang Shougen

Strategic Study of CAE 2004, Volume 6, Issue 7, Pages 88-93

Abstract:

The dam of Qiaoqi Hydropower Project is 123m high, in which it is the first time for the spreadinggradation crushed stone-earth to be adopted as the impervious material for so high an earth —rock dam in China.Second, the representative earth sample is selected to verify if the control standard is reasonable byto analyze the rationality of the control standard for these materials and the safety factor of the dam

Keywords： Qiaoqi Hydropower Project spreading gradation crushed stones and earth impervious material engineeringcharacteristics rolling experiment design for earth gradation

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Major Technologies for Safe Construction of High Earth-Rockfill Dams

Hongqi Ma, Fudong Chi

Engineering 2016, Volume 2, Issue 4, Pages 498-509 doi: 10.1016/J.ENG.2016.04.001

Abstract:

The earth-rockfill dam is one of the primary dam types in the selection of high dams to be constructedof local earth, rock, and building-excavated materials; low construction cost; and low cement consumptionMany major technical issues regarding earth-rockfill dams with a height of over 250 m were studied andsolved successfully in the construction of the 261.5 m Nuozhadu earth core rockfill dam.and other high earth-rockfill dams; and discusses major technical issues, such as deformation control

Keywords： High earth-rockfill dam Safe construction Major technologies

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An information management system of safety assessment and warning for high earth-rockfill dam

Zhang Zongliang,Yu Yuzhen,Zhang Bingyin

Strategic Study of CAE 2011, Volume 13, Issue 12, Pages 33-37

Abstract: monitoring data, a practical information management system of safety assessment and warning for Nuozhadu earth-rockfilldam is developed.back-analysis modules are the key parts, which perform analysis of seepage, stress and deformation of dam, crack of dam, dynamic response and slope stability.parameters of constitutive model are back-analyzed by using the monitoring data and the behaviors of the dam

Keywords： Nuozhadu Hydropower Station dam safety assessment warning information management system back-analysis

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Study on the Model and Its Visualization for Dynamic Allocation of Earth

Hu Chengshun,Zheng Denghua,Zhang Jin,Hong Wen,Li Mingchao

Strategic Study of CAE 2003, Volume 5, Issue 12, Pages 73-79

Abstract:

For construction organization plan, the optimized allocation and overall balance of earth is of greatsignificance to reduce the project cost and ensure the construction period in the construction of rock-fill damAt last a large-scale rock-fill dam is illustrated.

Keywords： rock-fill dam construction earth allocation dynamic allocation linear programming visualization

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Effect of earth reinforcement, soil properties and wall properties on bridge MSE walls

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1209-1221 doi: 10.1007/s11709-021-0764-2

Abstract: Mechanically stabilized earth (MSE) retaining walls are popular for highway bridge structures.They have precast concrete panels attached to earth reinforcement.The effects of pore pressure, soil cohesion, earth reinforcement type and length, breakage/slippage of

Keywords： mechanically stabilized earth walls precast concrete panels backfill soil finite element modeling earth reinforcement

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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 130 m high Punt dal Gall dam is located at the Swiss-Italian border in the South-eastern part ofThe 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.

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

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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 slopeThey in elude the 181 m-high concrete gravity dam in the Three Gorges Project, the 240 m — highCFRD, 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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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 shaking

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

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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: The dam heightening, which is an effective way to increase reservoir volume, has been paid close attentionThree 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.The 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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Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0676-4

Abstract: decision-making approach for the deviation correction trajectory and posture rectification load for an earth

Keywords： additional position change deviation correction trajectory earth pressure balance shield mechanical

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Influence of soft rock-fill material as dam embankment with central bituminous concrete membrane

Peter TSCHERNUTTER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1, Pages 63-70 doi: 10.1007/s11709-010-0016-3

Abstract: relevant material parameters for a valuation of the deformation behavior of the up- and downstream damshell by means of an embankment dam of medium height.This gave rise to the necessity of adjusting the dam design of the downstream dam shoulder.Several times higher dam settlements as well as significant differential settlements between the up-and downstream dam shell were observed during construction and operation.

Keywords： embankment dam bituminous concrete membrane rock-fill material properties deformation behavior