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Strengthening of the concrete face slabs of dams using sprayable strain-hardening fiber-reinforced cementitious

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2, Pages 145-160 doi: 10.1007/s11709-022-0806-4

Abstract: slabs in a concrete-face rockfill dam (CFRD) for the first time.It was found that the FRCC layer improved the flexural performance of concrete slabs significantly.The cracking and ultimate loads of a concrete slab with an 80 mm FRCC layer were 132% and 69% higherthan those of the unstrengthened concrete slab, respectively.144% higher than that of the unstrengthened concrete slab.

Keywords： strain-hardening cementitious composites engineered cementitious composites sprayable shotcrete strengthening concrete-facerockfill dam digital image correlation

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New concept of design for high concrete face rockfill dams

Li Nenghui

Strategic Study of CAE 2011, Volume 13, Issue 3, Pages 12-18

Abstract:

Based on analysis of experimential design for concrete face rockfilldams and its imperfection, a new design concept of high concrete face rockfill dams which includes stability

Keywords： concrete face rockfill dam design concept stability safety seepage safety deformation safety

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300 m grade concrete faced rockfill dam adaptability and countermeasures

Ma Hongqi

Strategic Study of CAE 2011, Volume 13, Issue 12, Pages 4-8

Abstract: p style="text-align: justify;">This paper summed up the main experiences and lessons of 200 m grade rockfill

Keywords： concrete face rockfill dam adaptability countermeasure research

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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: Among these dams were the 132-m-high Shapai RCC arch dam and the 156-m-high Zipingpu concrete face rockfill

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

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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: They 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 Hongjiadu

Keywords： hydroelectric power high dam gravity dam arch dam roller compacted concrete dam (RC-CD) concrete facerockfill dam (CFRD)

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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

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

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Dynamic in-plane transversal normal stresses in the concrete face of CFRD

Neftalí SARMIENTO-SOLANO, Miguel P. ROMO

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1, Pages 135-148 doi: 10.1007/s11709-018-0481-7

Abstract: Severe earthquakes can induce damages to Concrete Face Rockfill Dams (CFRDs) such as concrete crackingdynamic complement of a method recently developed to evaluate in-plane transversal normal stresses in the concreteface of CFRD’s due to dam reservoir filling [ ].Using these two procedures in a sequential manner, it is possible to define the concrete slab in-planeIn the above reference, the method to evaluate the concrete face in-plane transversal normal stresses

Keywords： CFR dams dynamic analysis in-plane normal stresses concrete face

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In-plane transversal normal stresses in the concrete face of CFRD induced by the first-dam reservoir

Neftalí SARMIENTO-SOLANO, Miguel P. ROMO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1, Pages 81-91 doi: 10.1007/s11709-016-0378-2

Abstract: To evaluate the effects of dam height, valley narrowness and width of concrete slabs on the first-damreservoir filling in-plane transversal normal stresses in the concrete face of CFRD´s, 3D finite differenceBehavior of rockfill dams considered in this study was defined from the monitoring of a number of 3Dpanels located in the central concrete face zone upon dam reservoir filling loading.face is advanced and through comparisons with the results of a 3D case numerical study, its accuracy

Keywords： concrete face CFR dams reservoir filling slab in-plane stresses

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Technical Progress on Researches for the Safety of High Concrete-Faced Rockfill Dams

Hongqi Ma,Fudong Chi

Engineering 2016, Volume 2, Issue 3, Pages 332-339 doi: 10.1016/J.ENG.2016.03.010

Abstract:

The concrete-faced rockfill dam (CFRD) is an important dam type in the selection of high dams to be

Keywords： High concrete-faced rockfill dam Safety Technical progress

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Long-term behavior and safety assessment of Sance Rockfill Dam

Marta DOLEZALOVA, Ivo HLADIK

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1, Pages 79-89 doi: 10.1007/s11709-010-0010-9

Abstract: Safety assessment of the 62 m high Sance Rockfill Dam based on long-term monitoring results and their

Keywords： rockfill dam path dependence creep calibration cracking hydraulic fracturing hazard

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Hypoplastic constitutive modeling of wetting deformation of weathered rockfill materials

Erich BAUER, Zhongzhi FU, Sihong LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1, Pages 78-91 doi: 10.1007/s11709-010-0011-8

Abstract: The wetting deformation of weathered rockfill materials has been attracting growing attention from bothThe importance of realistic predictions of wetting deformations for high earth and rockfill dams is amodel is evaluated by comparing numerical simulations with experiments obtained from a water sensitive rockfill

Keywords： rockfill dams weathered granular materials hypoplasticity solid hardness creep stress relaxation

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Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Eduardo E. ALONSO, Rafaela CARDOSO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1, Pages 1-39 doi: 10.1007/s11709-010-0013-6

Abstract: The basis of the design of earth and rockfill dams is focused on ensuring the stability of the structureThe materials used for dam’s construction cover a wide range from clayey materials to rockfill.Regular compacted materials (with a significant clay fraction), rockfill and compacted soft rocks are

Keywords： dams unsaturated soil mechanics suction rockfill clayey soil mixture

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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 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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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 pressureTherefore, confining pressure effect has become a very important factor in the seismic analysis of high rockfill

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

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Experimental study on compaction-induced anisotropic mechanical property of rockfill material

Xiangtao ZHANG, Yizhao GAO, Yuan WANG, Yu-zhen YU, Xun SUN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1, Pages 109-123 doi: 10.1007/s11709-021-0693-0

Abstract: The anisotropy of rockfill materials has a significant influence on the performance of engineering structuresFurthermore, the anisotropy test of rockfill materials is complex and complicated, especially for triaxialIn this study, the geometric characteristics of a typical particle fraction consisting of a specific rockfillFor high-density rockfill materials, a set of specimen preparation devices for inclined compaction planesdirection angle has a significant effect on the modulus, shear strength, and dilatancy of the compacted rockfill

Keywords： rockfill inclination of specimen preparation anisotropy mechanical property mechanism