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Theory and application of construction simulation for roller compaction of high core rock-fill dam

Zhong Denghua,Zhao Chensheng,Zhang Ping

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 28-32

Abstract:

Based on the overall analysis of roller compaction system of high corerock-fill dam, the theory of construction simulation for roller compaction is put forward and the simulationmodel is set up which can actually reflect the uncertainties of the rock-fill dam roller compactionThis study achievement has been applied to the filling unit construction process of the Nuozhadu highcore rock-fill dam to verify the reliability of the simulation model, which gives important guidance

Keywords： high core rock-fill dam     roller compaction     construction simulation    

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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: shell by means of an embankment dam of medium height.Laboratory as well as field tests on solid rock-fill material were performed before the beginning ofDuring the construction the properties of the available rock-fill changed from solid to soft materialsThis gave rise to the necessity of adjusting the dam design of the downstream dam shoulder.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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Development and application of the real-time monitoring system for filling construction process of highcore rock-fill dam

Cui Bo,Hu Lianxing,Liu Donghai

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 91-96

Abstract:

In this paper, on the basis of research on high core rock-fill dam fillingrock-fill dam filling construction process, with the characteristics of real-time, high precision, automationrolling on dam surface.The monitoring system is applied in the construction field of the highest earth rock-fill dam in Asia, Nuozhadu core rock-fill dam, as the core component of the construction process control architecture

Keywords： high core rock-fill dam     filling construction process     real-time monitoring     transportation to dam     rollingon dam surface     development and application    

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Analysis on damage causes of built-in corridor in core rock-fill dam on thick overburden: A case study

Jia’ao YU; Zhenzhong SHEN; Zhangxin HUANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 762-780 doi: 10.1007/s11709-022-0847-8

Abstract: The stress state of the built-in corridor in core rock-fill dam on thick overburden is extremely complexinvestigate the effect of thick overburden on the stress and deformation of the built-in corridor in a rock-filldam, and ascertain the damage causes of the corridor.And the calculation model considering dam construction process, contact between concrete and surrounding

Keywords： thick overburden     built-in corridor     stress     deformation     causes for damage     concrete damaged plasticity    

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Key technologies of real-time construction control for major hydraulic and hydroelectric projects

Ma Hongqi,Zhong Denghua,Zhang Zongliang,Sun Yujun,Liu Donghai

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 20-27

Abstract: core rock-fill dam and high concrete dam construction.The conventional quality control methods exhibit difficulty to ensure construction quality of high corerock-fill dam and to control timely schedule of high concrete dam under high-intensity continuous constructionReal-time compaction quality monitoring technology of high core rock-fill dam, real-time entire-processFurthermore, system integration technique for digital dam on Internet is presented, and a digital dam

Keywords： high core rock-fill dam     high concrete dam     construction quality     construction schedule     real-time monitoring     digital dam    

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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: great significance to reduce the project cost and ensure the construction period in the construction of rock-filldam.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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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 consolidationThe earth pressures measured at the bottom of the core zone showed good agreement with those calculatedThis method is valid for estimating behavior of fill-type dams during construction and impounding.

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

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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-RockFill Dams (SL274-2001) require excavating into the slightly weathered rock mass for the core wall andThe spreading gradation earth-rock fill dam with crushed-stone-earth core wall is 123m high, and theThe treatment scheme for the highly weathering rock mass on both abutments and grouting tests and grouting

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

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A Brief Review of Rock-Filled Concrete Dams and Prospects for Next-Generation Concrete Dam Construction Review

Feng Jin, Duruo Huang, Michel Lino, Hu Zhou

Engineering 2024, Volume 32, Issue 1,   Pages 100-106 doi: 10.1016/j.eng.2023.09.020

Abstract:

Over the past few decades, one of the most significant advances in dam construction has been the inventionof the rock-filled concrete (RFC) dam, which is constructed by pouring high-performance selfcompactingconcrete (HSCC) to fill the voids in preplaced large rocks.  The innovative use of large rocks in dam construction provides engineers with a material that

Keywords： Rock-filled concrete dam     Pouring compactness     Effect of large rocks     Intelligent quality control     Unmanneddam construction    

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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: , 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 — highErtan 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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Approaches to achieve high grain yield and high resource use efficiency in rice

Jianchang YANG

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 2,   Pages 115-123 doi: 10.15302/J-FASE-2015055

Abstract: Breeding nitrogen efficient cultivars without sacrificing rice yield potential, improving grain fillgrain yield and high resource use efficiency.from sucrose to starch though increasing the ratio of abscisic acid to ethylene in grains during grain fillcould effectively improve grain fill in inferior spikelets.resource use efficiency in high-yielding rice.

Keywords： rice     nitrogen-efficient cultivar     grain fill     harvest index     nitrogen use efficiency     water use efficiency    

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Challenges of high dam construction to computational mechanics

ZHANG Chuhan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 12-33 doi: 10.1007/s11709-007-0002-6

Abstract: The current situations and growing prospects of China s hydro-power development and high dam constructionfor dams, high velocity flow and energy dissipation for high dams, scientific and technical problems(RCC) dams and Concrete Face Rock-fill (CFR) dams.Some examples demonstrating successful utilizations of computational mechanics in high dam engineeringTo make more use of the computational mechanics in high dam engineering, it is pointed out that much

Keywords： reservoir     engineering     hydro-power development     state-of-the-art computational     earthquake    

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The Cemented Material Dam: A New, Environmentally Friendly Type of Dam

Jinsheng Jia, Michel Lino, Feng Jin, Cuiying Zheng

Engineering 2016, Volume 2, Issue 4,   Pages 490-497 doi: 10.1016/J.ENG.2016.04.003

Abstract:

The first author proposed the concept of the cemented material dam (CMD) in 2009.This concept was aimed at building an environmentally friendly dam in a safer and more economical wayfor both the dam and the area downstream.The concept covers the cemented sand, gravel, and rock dam (CSGRD), the rockfill concrete (RFC) dam (or the cemented rockfill dam, CRD), and the cemented soil dam (CSD).

Keywords： Cemented material dam (CMD)     Cemented sand，gravel，and rock dam (CSGRD)     Rockfill concrete (RFC) dam     Cementedrockfill dam (CRD)     Cemented soil dam (CSD)     Material properties    

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The Highest Dam in the World under Construction: The Shuangjiangkou Core-Wall Rockfill Dam

Shanping Li, Bin Duan

Engineering 2016, Volume 2, Issue 3,   Pages 274-275 doi: 10.1016/J.ENG.2016.03.018

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CC@BCN@PANI core-shell nanoarrays as ultra-high cycle stability cathode for Zn-ion hybrid supercapacitors

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 555-566 doi: 10.1007/s11708-023-0882-8

Abstract: Exploring cathode materials that combine excellent cycling stability and high energy density poses aboron-carbon-nitrogen (BCN) nanoarray on carbon cloth surface is prepared as advanced cathode materials via simple high-temperatureBecause of the excellent specific capacity and conductivity of PANI, the CC@BCN@PANI core-shell nanoarraysPANI-based ZHSCs exhibit superior electrochemical performances showing a specific capacity of 145.8 mAh/g, a high

Keywords： CC@BCN@PANI cathode     Zn-ion hybrid supercapacitor     core-shell nanoarrays     high energy density     ultra-high    

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Title Author Date Type Operation

Theory and application of construction simulation for roller compaction of high core rock-fill dam

Zhong Denghua,Zhao Chensheng,Zhang Ping

Journal Article

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

Peter TSCHERNUTTER

Journal Article

Development and application of the real-time monitoring system for filling construction process of highcore rock-fill dam

Cui Bo,Hu Lianxing,Liu Donghai

Journal Article

Analysis on damage causes of built-in corridor in core rock-fill dam on thick overburden: A case study

Jia’ao YU; Zhenzhong SHEN; Zhangxin HUANG

Journal Article

Key technologies of real-time construction control for major hydraulic and hydroelectric projects

Ma Hongqi,Zhong Denghua,Zhang Zongliang,Sun Yujun,Liu Donghai

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

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

Yuji KOHGO, Akira TAKAHASHI, Tomokazu SUZUKI,

Journal Article

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

Wang Shougen

Journal Article

A Brief Review of Rock-Filled Concrete Dams and Prospects for Next-Generation Concrete Dam Construction

Feng Jin, Duruo Huang, Michel Lino, Hu Zhou

Journal Article

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

Chen Zongliang

Journal Article

Approaches to achieve high grain yield and high resource use efficiency in rice

Jianchang YANG

Journal Article

Challenges of high dam construction to computational mechanics

ZHANG Chuhan

Journal Article

The Cemented Material Dam: A New, Environmentally Friendly Type of Dam

Jinsheng Jia, Michel Lino, Feng Jin, Cuiying Zheng

Journal Article

The Highest Dam in the World under Construction: The Shuangjiangkou Core-Wall Rockfill Dam

Shanping Li, Bin Duan

Journal Article

CC@BCN@PANI core-shell nanoarrays as ultra-high cycle stability cathode for Zn-ion hybrid supercapacitors

Journal Article