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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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Science and Technology Innovation of the Deep Water High Earth-rock Cofferdam in the Three Gorges Project

Dai Huichao

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 11-16

Abstract:

The deep water high earth-rock cofferdam in the 2nd phase construction of TGP is a hard and challengeDuring the period from 1998 to 2002, the cofferdam protected the construction pit of the left-bank dam

Keywords： TGP     deep water high earth-rock     cofferdam     design constraction    

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Systems Analysis and Constitution of Linear Programming Model for the Earth-rock Allocation System of

Cao Shengrong,Wang Xianjia,Shen Mingliang

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 72-76

Abstract:

On the basis of the analysis work of many massive water resources and hydropower projects, and by using systemic view, the thesis analyses the composition of the system and the mutual relations among the elements. According to it, Linear Programming Model is constituted. The calculating result by the model is verified in real work. It s proved economic and feasible.

Keywords： water resources and hydropower projects     earth-rock     allocation     systems analysis     linear programming    

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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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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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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-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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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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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 selfcompacting  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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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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Development and application of the real-time monitoring system for filling construction process of high core rock-filldam

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 fillingof process monitoring is determined; the solution scheme is proposed; the monitoring system of core rock-fillrolling 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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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: style="text-align: justify;">Based on the overall analysis of roller compaction system of high core rock-filldam, the theory of construction simulation for roller compaction is put forward and the simulation modelis set up which can actually reflect the uncertainties of the rock-fill dam roller compaction to ensurestudy achievement has been applied to the filling unit construction process of the Nuozhadu high core rock-filldam to verify the reliability of the simulation model, which gives important guidance to the project

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

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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 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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Title Author Date Type Operation

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

Wang Shougen

Journal Article

Science and Technology Innovation of the Deep Water High Earth-rock Cofferdam in the Three Gorges Project

Dai Huichao

Journal Article

Systems Analysis and Constitution of Linear Programming Model for the Earth-rock Allocation System of

Cao Shengrong,Wang Xianjia,Shen Mingliang

Journal Article

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

Peter TSCHERNUTTER

Journal Article

Numerical analysis of nonlinear dynamic behavior of earth dams

Babak EBRAHIMIAN

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

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

Ikram GUETTAYA,Mohamed Ridha EL OUNI

Journal Article

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

Zhu Pingyu,Jiang Guilin,Leng Yuanbao

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

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

Development and application of the real-time monitoring system for filling construction process of high core rock-filldam

Cui Bo,Hu Lianxing,Liu Donghai

Journal Article

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

Zhong Denghua,Zhao Chensheng,Zhang Ping

Journal Article

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

Jinsheng Jia, Michel Lino, Feng Jin, Cuiying Zheng

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