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Stability analysis on Tingzikou gravity dam along deep-seated weak planes during earthquake

Weiping HE, Yunlong HE

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 69-75 doi: 10.1007/s11709-012-0146-x

Abstract: The stability of a gravity dam against sliding along deep-seated weak planes is a universal and importantThere is no recommended method for stability analysis of the dam on deep-seated weak planes under earthquakeis focused on searching a proper way to evaluate the seismic safety of the dam against sliding along deep-seatedweak planes and the probable failure modes of dam on deep-seated weak planes during earthquake.It is concluded that there are two probable failure modes of the dam along the main weak geological planes

Keywords： gravity dam     deep-seated weak planes     stability against sliding     earthquake    

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Deep-seated Rupture Zone—a New Seismotectonic Style

Li Yuanjun

Strategic Study of CAE 2006, Volume 8, Issue 4,   Pages 12-18

Abstract:

In hydraulic engineering, deep-seated rupture zones have been discovered in some dam areas, such asIt is a new geological structure phenomenon. deep-seated rupture zones are usually situated in the pleistoseismicDeep seated rupture zones are 300 m or more beneath the surface, far exceeding the depth of surface unloadingThis paper discussed the seismologic reasons for the occurrence of deep seated rupture zones according

Keywords： deep-seated rupture zone     pleistoseismic generating fault     unloading     rock dynamics    

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Application of seismic exploration method in East Sichuan deep-seated potassium-rich brine exploration

Yan Jianguo,Hou Lei,Zhao Yuhong,Yang Xiaoyu

Strategic Study of CAE 2013, Volume 15, Issue 10,   Pages 59-65

Abstract: combined with rich potassium brine of the seismic response characteristics, determine the formation of deep

Keywords： seismic exploration     rich potassium brine     fracture     layer flattening     Sichuan Basin    

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Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 943-955 doi: 10.1007/s11708-021-0793-5

Abstract: This paper investigates and discusses the interaction stability issues of a wind farm with weak gridHowever, when it is applied to multiple WTs within a wind farm, its weak-grid performance regarding theof a stability margin quantification index, not only the interactions between the wind farm and the weak

Keywords： weak grids     voltage source (VS) control     wind turbine (WT)     stabilization control     wind farm     inertial    

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Enhancement of sludge gravitational thickening with weak ultrasound

Panyue ZHANG, Tian WAN, Guangming ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 753-760 doi: 10.1007/s11783-011-0368-5

Abstract: of sonication on enhancing the sludge gravitational thickening with very low energy dose, so called “weakResults showed that weak sonication significantly changed the sludge settlability and the main mechanismWeak sonication (<680 kJ·kg DS) improved the sludge gravitational thickening while high ultrasonic energyWeak sonication could substitute expensive polyelectrolyte coagulant for sludge thickening.Combination of weak sonication and polyelectrolyte could further reduce the settling time to 6 h.

Keywords： activated sludge     sonication     settlability     dry weight     extracellular polymeric substances     polyelectrolyte    

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Modeling and analysis of magnetic dipoles in weak magnetic field

WANG Zhaoxia, ZHANG Weimin, LIU Hongguang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 222-225 doi: 10.1007/s11465-008-0028-z

Abstract: The formula to compute the normal component of the weak magnetic field is deduced based on the spatial

Keywords： geomagnetic     theory     important criterion     magnetic leakage     normal component    

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Experimental study on the progressive failure and its anchoring effect of weak-broken rock vertical slope

Hehua ZHU, Qianwei XU, Wenqi DING, Feng HUANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 208-224 doi: 10.1007/s11709-011-0111-0

Abstract: To improve the understanding on the failure behavior and its anchoring effect of weak-broken rock slope

Keywords： progressive failure     weak-broken rock     slope     model test     bolt    

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Feedback linearization based control for weak grid connected PV system under normal and abnormal conditions

Rahul SHARMA,Sathans SUHAG

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 400-409 doi: 10.1007/s11708-017-0459-5

Abstract: This paper proposes a control strategy for interface of distributed energy sources into the weak gridThe controller proposed has been implemented on the PV system connected with the weak grid using the

Keywords： PV system     grid interface     feedback linearization     inverter     LCL filter    

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Wavelet design for extracting weak fault feature based on lifting scheme

JIANG Hong-kai, WANG Zhong-sheng, HE Zheng-jia

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 199-203 doi: 10.1007/s11465-006-0009-z

Abstract: Weak fault features of mechanical signals are usually immersed in noisy signals.A new wavelet method based on lifting scheme to match weak fault characteristics is proposed.engineering results confirm that the proposed method is better than other wavelet methods for extracting weakModulus maxima of the detail signal in every operation cycle are extracted, the position and time that weak

Keywords： misalignment     imbalance     particular     position     mechanical    

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Extended stochastic resonance (SR) and its applications in weak mechanical signal processing

Niaoqing HU, Min CHEN, Guojun QIN, Lurui XIA, Zhongyin PAN, Zhanhui FENG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 450-461 doi: 10.1007/s11465-009-0072-3

Abstract: This paper presents a method based on stochastic resonance (SR) to detect weak fault signal.Then, the frequency range of the weak signals that the SR model can detect is extended through a typeFinally, the method is applied to extract the weak characteristic component from heavy noise to indicate

Keywords： extended stochastic resonance (SR)     stability analysis of SR     scale transform     weak signal detection     incipient    

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Weak characteristic information extraction from early fault of wind turbine generator gearbox

Xiaoli XU, Xiuli LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 357-366 doi: 10.1007/s11465-017-0423-4

Abstract:

Given the weak early degradation characteristic information during early fault evolution in gearboxA weak characteristic information extraction based on µ-SVD and local mean decompositionExperimental results show that this method can significantly weaken signal noise, effectively extract the weak

Keywords： wind turbine generator gearbox     µ-singular value decomposition     local mean decomposition     weak characteristic    

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Blasting Flyrock Impact Analysis by Weak Interlayer and Its Control in Complicated Surroundings

Chen Bin,He Tiezhu,Zhao Mingsheng

Strategic Study of CAE 2014, Volume 16, Issue 11,   Pages 53-57

Abstract:

Analyzed the reasons and mechanism of blasting flyrock in weak interlayer,combined with weak interlayer impact generated by blasting flyrock to distinguish the differences offlying stone generated in the conditions of weak interlayer and general.In weak interlayer and urban area complex blasting environment, reasonable and effective control measures

Keywords： blasting flyrock     weak interlayer     towardsSblasting    

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A block zero-padding method based on DCFT for L1 parameter estimations in weak signal and high dynamic

Chao WU,Lu-ping XU,Hua ZHANG,Wen-bo ZHAO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 9,   Pages 796-804 doi: 10.1631/FITEE.1500058

Abstract: Weak L1 signal acquisition in a high dynamic environment primarily faces a challenge: the integrationzero-padding method based on a discrete chirp-Fourier transform (DCFT) for parameter estimations in weak

Keywords： Threshold detection     Discrete chirp-Fourier transform     Block zero-padding     High dynamic     Weak L1 signal    

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Study on construction technique of large section sub-sea tunnel crossing the weak stratum

Huang Mingli,Lu Wei,Xu Hengguo,Tan Zhongsheng

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 35-38

Abstract: >Xiang'an sub-sea tunnel is the first large section sub-sea tunnel in China, and will cross the weakthe excavation method,drainage technique and pre-reinforcement method of the tunnel when crossing the weak

Keywords： Xiamen Xiang’an sub-sea tunnel     weak stratum     construction technique    

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Theoretical analysis of novel weak current sensor using FeCuNbSiB single nanocrystalline toroidal core

BAO Bing-hao, ZHU Da-qi, DING Jian-ning, LI Chang-sheng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 439-442 doi: 10.1007/s11465-006-0054-7

Abstract: Based on the feature of the magnetic core, a novel non-contact type weak current sensor adopting single

Keywords： measuring     mathematical     Furthermore     transform     FeCuNbSiB nanocrystalline    

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Title Author Date Type Operation

Stability analysis on Tingzikou gravity dam along deep-seated weak planes during earthquake

Weiping HE, Yunlong HE

Journal Article

Deep-seated Rupture Zone—a New Seismotectonic Style

Li Yuanjun

Journal Article

Application of seismic exploration method in East Sichuan deep-seated potassium-rich brine exploration

Yan Jianguo,Hou Lei,Zhao Yuhong,Yang Xiaoyu

Journal Article

Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Journal Article

Enhancement of sludge gravitational thickening with weak ultrasound

Panyue ZHANG, Tian WAN, Guangming ZHANG

Journal Article

Modeling and analysis of magnetic dipoles in weak magnetic field

WANG Zhaoxia, ZHANG Weimin, LIU Hongguang

Journal Article

Experimental study on the progressive failure and its anchoring effect of weak-broken rock vertical slope

Hehua ZHU, Qianwei XU, Wenqi DING, Feng HUANG

Journal Article

Feedback linearization based control for weak grid connected PV system under normal and abnormal conditions

Rahul SHARMA,Sathans SUHAG

Journal Article

Wavelet design for extracting weak fault feature based on lifting scheme

JIANG Hong-kai, WANG Zhong-sheng, HE Zheng-jia

Journal Article

Extended stochastic resonance (SR) and its applications in weak mechanical signal processing

Niaoqing HU, Min CHEN, Guojun QIN, Lurui XIA, Zhongyin PAN, Zhanhui FENG,

Journal Article

Weak characteristic information extraction from early fault of wind turbine generator gearbox

Xiaoli XU, Xiuli LIU

Journal Article

Blasting Flyrock Impact Analysis by Weak Interlayer and Its Control in Complicated Surroundings

Chen Bin,He Tiezhu,Zhao Mingsheng

Journal Article

A block zero-padding method based on DCFT for L1 parameter estimations in weak signal and high dynamic

Chao WU,Lu-ping XU,Hua ZHANG,Wen-bo ZHAO

Journal Article

Study on construction technique of large section sub-sea tunnel crossing the weak stratum

Huang Mingli,Lu Wei,Xu Hengguo,Tan Zhongsheng

Journal Article

Theoretical analysis of novel weak current sensor using FeCuNbSiB single nanocrystalline toroidal core

BAO Bing-hao, ZHU Da-qi, DING Jian-ning, LI Chang-sheng

Journal Article