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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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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.The extended Masing rules are implemented into the constitutive model to explain more accurately theFor the latter, the Long Valley (LV) earth dam subjected to the 1980 Mammoth Lake earthquake as a realIt seems that the Masing rules combined with a simple elasto-plastic model gives reasonable numericalthe 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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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 damIn order to strengthen the commonness and agility of model, some human interventions are in an in-depthand particular consideration in building the mathematics model.At 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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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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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: Predicting “regular” dam deformations for prevailing conditions and comparing them with observeddeformations is an essential part of dam surveillance.Prediction of dam deformations can be based on deterministic models, purely statistical models or so-calledand the portion caused by temperature variation.The present article deals with the analysis of arch damprocedure is employed for the analysis of the deformations of the 186 m high Zillergruendl arch dam

Keywords： arch dam     analysis     Zillergruendl     concrete temperature     hybrid model    

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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 earthA calculation model of posture rectification load of an EPB shield is developed by considering the interactionsFinally, the posture rectifying curves based on the theoretical model are compared with the target ones

Keywords： additional position change     deviation correction trajectory     earth pressure balance shield     mechanicalmodel     posture rectification    

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Digital Earth Model of Multiple Scales and Its Application in Virtulizing Earth

Li Boheng

Strategic Study of CAE 2000, Volume 2, Issue 4,   Pages 12-15

Abstract:

The digital earth model is composed of three parts： digital frame model, digital elevation model,and digital earth-unit model.earth model and applying and developing modeling information effectively.The five characteristics of virtual earth and the key technologies for building digital earth model areIn the process of constructing ,researching, and developing the digital earth model, attention should

Keywords： digial earth     virtual earth     information    

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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., crack of dam, dynamic response and slope stability.The parameters of constitutive model are back-analyzed by using the monitoring data and the behaviorsof the dam at some important time are predicted.

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

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High Resolution Earth's Gravity Field Models DQM99

Shi Pan,xia Zheren,sun Zhongmiao,li Yingchun

Strategic Study of CAE 1999, Volume 1, Issue 3,   Pages 51-55

Abstract:

The harmonic series formula of the Earth´s disturbing potential is the most extensive applicableexpression for the Earth´s gravity field model.At present, the resolution of the used geopotential coefficient model is 0.5°, and the complete degreeSince the gravity data density and precision are very different everywhere, the model accuracy isn´The improvement of model is necessary..

Keywords： Earth's gravity field model DQM99     Earth's figure     geopotential coefficient model    

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Research on the optimal selection model of rockfill dam type and evaluation method

Chen Yongxing,Chang Haotian,Lu Wenyan and Ren Bingyu

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 96-101

Abstract:

Optimal selection of dam type is a complicated decision-making problemComprehensively analyzing various factors affecting the rockfill dam type selection, a hierarchical structuremodel is established.Then this model is solved using TOPSIS method. Finally the optimum scheme of dam type is obtained.It can provide support for making decisions in optimal selection of rockfill dam type.

Keywords： rockfill dam     AHP method     Entropy method     TOPSIS method     optimal selection of dam type    

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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:

Scale effect exists in the model experiment, so large-scale model isBased 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 isOverall 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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Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 71-78 doi: 10.1007/s11709-010-0083-5

Abstract: Upper Gotvand Dam is constructed on the Karun River at the south west of Iran.In this paper, 2D and 3D models of the dam together with the foundation and abutments were establishedis about four times that of the 2D model.Also, the 3D model locates the phreatic surface somewhat higher than the 2D model.This means that the 2D model estimates lower pore water pressure pattern in comparison with the 3D model

Keywords： Upper Gotvand Dam     seepage analysis     gypsum veins     3D model     discharge flux    

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Title Author Date Type Operation

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

Zhu Pingyu,Jiang Guilin,Leng Yuanbao

Journal Article

Numerical analysis of nonlinear dynamic behavior of earth dams

Babak EBRAHIMIAN

Journal Article

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

Ikram GUETTAYA,Mohamed Ridha EL OUNI

Journal Article

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

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

Journal Article

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

Wang Shougen

Journal Article

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

Wang Shougen

Journal Article

Major Technologies for Safe Construction of High Earth-Rockfill Dams

Hongqi Ma, Fudong Chi

Journal Article

Analysis of arch dam deformations

Franz PERNER, Pius OBERNHUBER,

Journal Article

Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Journal Article

Digital Earth Model of Multiple Scales and Its Application in Virtulizing Earth

Li Boheng

Journal Article

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

Zhang Zongliang,Yu Yuzhen,Zhang Bingyin

Journal Article

High Resolution Earth's Gravity Field Models DQM99

Shi Pan,xia Zheren,sun Zhongmiao,li Yingchun

Journal Article

Research on the optimal selection model of rockfill dam type and evaluation method

Chen Yongxing,Chang Haotian,Lu Wenyan and Ren Bingyu

Journal Article

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

Ma Bin,Lian Jijian,Yang Min

Journal Article

Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Journal Article