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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 method with an elastoplastic model for unsaturated soils. The validities were conducted by comparing the analyzed and measured values during construction and impounding. The settlements calculated showed good agreement to those observed. Though the changing patterns of the measured and calculated pore water pressures were similar, the amounts of pore water pressures induced by the self-weights of embankment and the dissipation speeds were different. The earth pressures measured at the bottom of the core zone showed good agreement with those calculated. This 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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In-plane transversal normal stresses in the concrete face of CFRD induced by the first-dam reservoirfilling

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: evaluate the effects of dam height, valley narrowness and width of concrete slabs on the first-dam reservoirfilling in-plane transversal normal stresses in the concrete face of CFRD´s, 3D finite difference analysescompressive stresses develop within the concrete panels located in the central concrete face zone upon dam reservoirfilling loading.

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

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Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 53-65 doi: 10.1007/s11465-017-0437-y

Abstract:

Premature melt solidification is the solidification of a melt during mold filling.experimental results is achieved by considering the effect of premature melt solidification during mold filling

Keywords： premature solidification     mold filling     as-cast structure     modeling    

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Numerical simulation of compaction parameters for sand-filled embankment using large thickness sand filling

Wentao WANG, Chongzhi TU, Rong LUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 568-576 doi: 10.1007/s11709-017-0444-4

Abstract: The study uses the finite element method to simulate a new technique of highway sand embankment fillingsimulation results indicate that the sand-filled layer thickness of 70 cm is suitable for the new sand filling

Keywords： sand embankment     compaction in large thickness     numerical simulation     small size vibratory roller     steady compaction    

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Cancer and the environment: Filling knowledge gaps together

Linda S. BIRNBAUM PhD, DABT, ATS,

Frontiers of Medicine 2010, Volume 4, Issue 2,   Pages 131-133 doi: 10.1007/s11684-010-0044-3

Abstract: When considering disease etiology, we need to view the role of the environment along the continuum from health to disease for individuals because we know that there are complex interactions between genes, their molecular expression, and environmental factors over a person’s lifetime. We clearly have huge gaps in our knowledge along this continuum, and these gaps are natural opportunities for research. There are many factors to consider as we assess the relationship between environmental exposures over a lifetime. One factor is persistence of chemicals that “live” beyond their initial intended use. Another factor is the fact that “inert ingredients” are not really inert. “Low dose” is also another consideration. We need to understand the biological effect of low dose exposure and we should clearly define what they mean by low dose research. For example, are we measuring the administered dose, or the internal/circulating dose? There are new types of toxicity as well. For example, endocrine disruptors and engineered nanomaterials are significant classes of materials deserving significant research. Timing of exposure is a significant feature in characterizing toxicity. Environmental exposures can have a greater impact in early or later life-stages. Finally, mixtures of chemicals are an important consideration. Humans are always exposed to multiple chemicals. In short, we must remember that there is no such thing as “not exposed.” Everyone has been exposed to many and various environmental agents.

Keywords： environment     genes     environmental exposure     environmental agent     persistence     chemicals     inert ingredients     low dose    

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Theoretical analysis and calculation for filling factor of solar cellvarying along with illumination

Ding Jinlei,ChengXiaofang,Zhai Zaiteng,Zha Jun,Mao Meiqin

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 82-87

Abstract: describing short circuit current,  open circuit voltage,  maximum power current,  voltage and fillingThe relation of filling factor varying along with the illumination intensity is not a simple functional

Keywords： solar cell     illumination intensity     output characteristics     filling factor    

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The control factors and distribution laws of volcanic oil and gas reservoir in China

Hou Lianhua,Zhu Rukai,Zhao Xia,Pang Zhenglian,Luo Xia,Mao Zhiguo

Strategic Study of CAE 2012, Volume 14, Issue 6,   Pages 77-86

Abstract: In the western basins of China, mid-mafic volcanic rocks and weathering crust type reservoir are oftenAlmost all of the lithology and lithofacies of volcanic rocks can form effective reservoir.And the reservoir characteristic of weathering crust type is better than that of primary type.Lithological reservoir and fault-lithological reservoir are often developed in the eastern basins ofStratum reservoir, structure-stratum reservoir and structure-lithological-stratum combined reservoir

Keywords： volcanic rock reservoir     igneous reservoir     reservoir formation control factors     reservoir distribution    

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A Study of Reservoir-induced Earthquake in the Three Gorges Area

Li Ping,Li Yuanjun,Yang Meie

Strategic Study of CAE 2005, Volume 7, Issue 6,   Pages 14-20

Abstract: active faults and their intersections and seismogenic capacity in the eastern part of the Three-Gorges Reservoirarea suggests that two potential seismic focus zones located in Badong and Xiangxi may be hit by reservoir-induced

Keywords： Three-Gorges Reservoir area     reservoir-induced earthquake     geologic hazards    

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Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 701-715 doi: 10.1007/s11709-018-0507-1

Abstract: The seismic performance of gravity dam-reservoir-foundation coupled system is investigated utilizing

Keywords： gravity dams     dam-reservoir-foundation interaction     seismic reliability     inhomogeneous foundation     earthquake    

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Spatio-temporal variations of water quality in Yuqiao Reservoir Basin, North China

Yuan XU,Ruqin XIE,Yuqiu WANG,Jian SHA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 649-664 doi: 10.1007/s11783-014-0702-9

Abstract: component analysis, and factor analysis were applied to analyze the water quality status of Yuqiao ReservoirThe results of fuzzy comprehensive assessment revealed that water quality in Yuqiao Reservoir Basin showed

Keywords： Fuzzy comprehensive assessment     multivariate statistical analysis     water quality    

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Research on Water Velocity in Filling up Section of Horizontal Pipe

Wang Dongmei,Zhang Shilin

Strategic Study of CAE 2005, Volume 7, Issue 2,   Pages 66-68

Abstract:

The article divides the whole section into two sections. One is arcuate section. The other is seepage section. Water velocity distribution in circular section of pipe has been studied for a long time, and advanced theories were achieved. Based on fore theory and some tentatives, theory about distribution of water velocity in pipe of arcuate section is researched. Research of seepage section is based on seeping theory. Many experiments proved that the theory and program of this article are correct.

Keywords： arcuate section     filling up bed     water velocity     zero shear point     water-power gradient    

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

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 fillingmonitoring is determined; the solution scheme is proposed; the monitoring system of core rock-fill dam fillingprocess control architecture, achieving refining, all-whether and real-time control on key links of dam filling

Keywords： high core rock-fill dam     filling construction process     real-time monitoring     transportation to dam     rolling    

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National Fire Protection Association, Quincy, MA, 1995Study on smoke filling combined with sprinkler

Li Sicheng,Chen Ying,Hu Longhua,Huo Ran and Yang Dong

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 90-95

Abstract:

A mathematical model was developed for predicting smoke filling combinedExperiments were carried out to validate the model, with experimental results, smoke filling characteristicsResults showed that smoke filling velocity combined with sprinkler cooling and natural smoke exhaust

Keywords： fire protection engineering     sprinkler spray     sprinkler cooling     natural smoke exhaust     smoke filling    

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Research development of filling mining technique and technical problems to solve in Jinchuan Nickel Mine

Yang Zhiqiang,Gao Qian,Wang Yongqian,Chen Dexin and Yao Weixin

Strategic Study of CAE 2015, Volume 17, Issue 1,   Pages 42-50

Abstract: On this basis，it further expounds the research results of filling technology obtained in Jinchuan mineResearch development on filling mechanism，multipurpose use of solid waste，filling slurry rheologicalEspecially the paste filling technology that was the first time to be used in our country，was studiedand filling system was reformed， the paste filling had reached design production capacity smoothly.Finally it points out the current situation and existing main problems in filling mine and puts forward

Keywords： Jinchuan Nickel Mine；filling mining；research and development；technicalproblems    

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Development of an integrated modeling system for improved multi-objective reservoir operation

Lei WANG, Cho Thanda NYUNT, Toshio KOIKE, Oliver SAAVEDRA, Lan Chau NGUYEN, Tran van SAP,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 47-55 doi: 10.1007/s11709-010-0001-x

Abstract: Reservoir is an efficient way for flood control and improving all sectors related to water resourcesinflows and optimizing the multi-objective reservoir operation.First, the WEB-DHM was calibrated for the inflows to the Hoa Binh Reservoir in the Da River.Second, the WEB-DHM coupled with the reservoir routing module was tested by simulating the reservoirwater level, when using the observed dam outflows as the reservoir release.

Keywords： distributed biosphere hydrological model (WEB-DHM)     optimization     multi-objective reservoir     the Red River    

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Title Author Date Type Operation

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

Yuji KOHGO, Akira TAKAHASHI, Tomokazu SUZUKI,

Journal Article

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

Neftalí SARMIENTO-SOLANO, Miguel P. ROMO

Journal Article

Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Journal Article

Numerical simulation of compaction parameters for sand-filled embankment using large thickness sand filling

Wentao WANG, Chongzhi TU, Rong LUO

Journal Article

Cancer and the environment: Filling knowledge gaps together

Linda S. BIRNBAUM PhD, DABT, ATS,

Journal Article

Theoretical analysis and calculation for filling factor of solar cellvarying along with illumination

Ding Jinlei,ChengXiaofang,Zhai Zaiteng,Zha Jun,Mao Meiqin

Journal Article

The control factors and distribution laws of volcanic oil and gas reservoir in China

Hou Lianhua,Zhu Rukai,Zhao Xia,Pang Zhenglian,Luo Xia,Mao Zhiguo

Journal Article

A Study of Reservoir-induced Earthquake in the Three Gorges Area

Li Ping,Li Yuanjun,Yang Meie

Journal Article

Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Journal Article

Spatio-temporal variations of water quality in Yuqiao Reservoir Basin, North China

Yuan XU,Ruqin XIE,Yuqiu WANG,Jian SHA

Journal Article

Research on Water Velocity in Filling up Section of Horizontal Pipe

Wang Dongmei,Zhang Shilin

Journal Article

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

Cui Bo,Hu Lianxing,Liu Donghai

Journal Article

National Fire Protection Association, Quincy, MA, 1995Study on smoke filling combined with sprinkler

Li Sicheng,Chen Ying,Hu Longhua,Huo Ran and Yang Dong

Journal Article

Research development of filling mining technique and technical problems to solve in Jinchuan Nickel Mine

Yang Zhiqiang,Gao Qian,Wang Yongqian,Chen Dexin and Yao Weixin

Journal Article

Development of an integrated modeling system for improved multi-objective reservoir operation

Lei WANG, Cho Thanda NYUNT, Toshio KOIKE, Oliver SAAVEDRA, Lan Chau NGUYEN, Tran van SAP,

Journal Article