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Dynamic modeling framework of sediment trapped by check-dam networks: A case study of a typical watershed Article

Pengcheng Sun, Yiping Wu

Engineering 2023, Volume 27, Issue 8,   Pages 209-221 doi: 10.1016/j.eng.2021.12.015

Abstract:

Check-dam construction is an effective and widely used method for sediment trapping in the YellowQuantitative estimations of the dynamic sediment trapped by check dams are necessary for evaluating theIn this study, we propose a new framework, named soil and water assessment tool-dynamic check dam (SWAT-DCDamThe DCDam module generated a specific check dam network to conceptualize the complex connections at eachThus, our developed framework can be a promising tool for evaluating check-dam effects, and this study

Keywords： Check dams     Dynamic check dam (DCDam)     Loess Plateau     Sediment trapping     SWAT    

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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 numerical investigation employs a fully nonlinear dynamic finite difference analysis incorporatingFor the latter, the Long Valley (LV) earth dam subjected to the 1980 Mammoth Lake earthquake as a realmotion 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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Three-dimensional seismic response analysis of a concrete-faced rockfill dam on overburden layers

Dakuo FENG, Ga ZHANG, Jianmin ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 258-266 doi: 10.1007/s11709-010-0031-4

Abstract: Reasonable seismic response analysis of a high rockfill dam is of great engineering significance in guidingits design and ensuring its seismic safety during operation, especially of a concrete-faced rockfill damThe results indicate that: 1) the amplification coefficient along the dam axis gradually increases withthe altitude, and reaches maximum at the dam crest; 2) the vertical residual deformation mainly exhibitsperipheral joints; 4) the impounding condition and overburden characteristics have great effects on the dam

Keywords： concrete-faced rockfill dam (CFRD)     overburden layer     dynamic analysis     finite element method (FEM)    

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Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 116-126 doi: 10.1007/s11709-010-0014-5

Abstract: Studies show that the dynamic properties of rockfill are strongly dependent on the confining pressureconfining pressure effect has become a very important factor in the seismic analysis of high rockfill damThe relationships of dynamic shear modulus versus dynamic shear strain and damping ratio versus dynamicRegression analysis was carried out of the dynamic triaxial experimental data of the damming materialsthe Changheba Dam.

Keywords： confining pressure effect     high rockfill dam     dynamic response     Hardin-Drnevich constitutive model    

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A Blasting Sources-Based Approach to Inspection of Faults in Dam

Zhou Hougui,Tan Kaiyan

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 79-82

Abstract:

An approach to inspection of incipient faults in dam by non_d estructiveintegrity and key items of the new blasting source-based technology for inspection of incipient faults in dam, different from common non- destructive testing, are presented, following briefing experiences in dam

Keywords： blasting source     dam     inspection of incipient fault     elastic wave     dynamic monitoring     excitation signal    

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An improved low-complexity sum-product decoding algorithm for low-density parity-check codes

Michaelraj Kingston ROBERTS,Ramesh JAYABALAN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 6,   Pages 511-518 doi: 10.1631/FITEE.1400269

Abstract: paper, an improved low-complexity sum-product decoding algorithm is presented for low-density parity-checkcomputational complexity is achieved by utilizing fast Fourier transform (FFT) with time shift in the check

Keywords： Computational complexity     Coding gain     Fast Fourier transform (FFT)     Low-density parity-check (LDPC)    

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SOIL CARBON CHECK: A TOOL FOR MONITORING AND GUIDING SOIL CARBON SEQUESTRATION IN FARMER FIELDS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 248-261 doi: 10.15302/J-FASE-2023499

Abstract:

● Establishment of a rapid tool for monitoring soil carbon sequestration in farmer fields.

Keywords： 4 per 1000 initiative     carbon sequestration     climate action     farmer fields     SDG13     soil organic carbon     soil testing    

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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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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: significance to reduce the project cost and ensure the construction period in the construction of rock-fill damof the characteristic of being influenced or constrained by time-space, a new method of changing its dynamicAt 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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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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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    

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Dynamic failure analysis of concrete dams under air blast using coupled Euler-Lagrange finite element

Farhoud KALATEH

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 15-37 doi: 10.1007/s11709-018-0465-7

Abstract: In this study, the air blast response of the concrete dams including dam-reservoir interaction and acousticparametric study is conducted to evaluate the effects of the air blast loading on the response of concrete damHence, the analyses are performed for different heights of dam and different values of the charge distance

Keywords： air blast loading     concrete dams     finite element     dam-reservoir interaction     cavitation     concrete damage model    

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Evaluation method of dam behavior during construction and reservoir filling and application to real dams

Yuji KOHGO, Akira TAKAHASHI, Tomokazu SUZUKI,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 92-101 doi: 10.1007/s11709-010-0009-2

Abstract: In this paper we analyzed a real fill-type dam, named the Minami-Aiki Dam, to verify a numerical consolidation

Keywords： fill dam     consolidation analysis     unsaturated geo-materials     impounding     construction    

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Title Author Date Type Operation

Dynamic modeling framework of sediment trapped by check-dam networks: A case study of a typical watershed

Pengcheng Sun, Yiping Wu

Journal Article

Numerical analysis of nonlinear dynamic behavior of earth dams

Babak EBRAHIMIAN

Journal Article

Three-dimensional seismic response analysis of a concrete-faced rockfill dam on overburden layers

Dakuo FENG, Ga ZHANG, Jianmin ZHANG,

Journal Article

Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Journal Article

A Blasting Sources-Based Approach to Inspection of Faults in Dam

Zhou Hougui,Tan Kaiyan

Journal Article

An improved low-complexity sum-product decoding algorithm for low-density parity-check codes

Michaelraj Kingston ROBERTS,Ramesh JAYABALAN

Journal Article

SOIL CARBON CHECK: A TOOL FOR MONITORING AND GUIDING SOIL CARBON SEQUESTRATION IN FARMER FIELDS

Journal Article

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

M. WIELAND, G.F. KIRCHEN

Journal Article

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

Chen Zongliang

Journal Article

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

Martin WIELAND,

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

Key problems and solutions in arch dam heightening

Zuoguang FU, Yunlong HE, Sheng SU

Journal Article

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

Peter TSCHERNUTTER

Journal Article

Dynamic failure analysis of concrete dams under air blast using coupled Euler-Lagrange finite element

Farhoud KALATEH

Journal Article

Evaluation method of dam behavior during construction and reservoir filling and application to real dams

Yuji KOHGO, Akira TAKAHASHI, Tomokazu SUZUKI,

Journal Article