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Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 25-31 doi: 10.1007/s11709-009-0012-7

Abstract: The strip method was used to calculate the section moment-curvature curves of the 3 specimens and 12theoretical analysis resulted in a simplified formula for the flexural strength of DSTMs and a tri-linear moment-curvature

Keywords： fiber reinforced polymer (FRP)     concrete     steel     double-skin tubular members (DSTMs)     moment-curvature curve    

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Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 318-330 doi: 10.1007/s11709-017-0420-z

Abstract: Once the plastic hinge control parameters are identified (plastic rotation, ultimate curvature), a strengthening

Keywords： RC/frame     RC/wall     moment curvature     plastic rotation     plastic hinge     pushover analysis     global models    

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Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 412-423 doi: 10.1007/s11709-017-0416-8

Abstract: Effects of aggregate type, loading levels and cracking moment together with the influences of ultimatemoment capacity and service moment on the instantaneous deflection of slabs are studied.

Keywords： instantaneous deflection     light-weight concrete     expanded polystyrene     effective moment of inertia     crackingmoment     moment capacity     service moment    

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Estimating moment capacity of ferrocement members using self-evolving network

Abdussamad ISMAIL

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 926-936 doi: 10.1007/s11709-019-0527-5

Abstract: The model is meant to serve as a simple but reliable tool for estimating the moment capacity of ferrocementThe data consists of information regarding flexural tests on ferrocement specimens which include momentproposed models with experimental data indicated that the models are capable of accurately estimating the moment

Keywords： ferrocement     moment capacity     self-evolving neural network    

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Shaking-moment balancing of mechanisms with principal vectors and momentum

V. van der WIJK

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1,   Pages 10-16 doi: 10.1007/s11465-013-0359-2

Abstract:

The design of shaking-moment-balanced linkages still is challenging.Considering moment balance in the very beginning of the design process of mechanisms is important forThe moment balance conditions are derived for three elements in series from which balance solutions areFrom the application for moment balancing of a 4R four-bar linkage it is shown that the moment balancing

Keywords： shaking-moment balancing     principal vector linkage     angular momentum    

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Initial stiffness and moment resistance of reinforced joint with end-plate connection

Sufang WANG, Yiyi CHEN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 345-351 doi: 10.1007/s11709-009-0054-x

Abstract: The design moment resistance of column flange reinforced by backing plate is deduced based on yield linemethod, and the design moment resistances of other components are deduced based on present codes.The design moment resistance of the reinforced joint is then determined by the minimum of the designmoment resistances of all components.

Keywords： steel structure     end-plate connection     backing plate     supplementary web plate     initial stiffness     moment resistance    

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Soft curvature sensors for measuring the rotational angles of mechanical fingers

Haixiao LIU, Li LI, Zhikang OUYANG, Wei SUN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 610-621 doi: 10.1007/s11465-020-0596-0

Abstract: The design, fabrication, and testing of soft sensors that measure elastomer curvature and mechanicalSecond, the relationship between curvature and resistance is determined.Experiments show that the sensors exhibit high accuracy when the curvature changes within a certain rangeExperiments show that soft curvature sensors can effectively reflect mechanical finger bending and can

Keywords： soft sensor     Ga-In-Sn alloy     strain sensing     curvature sensing     mechanical finger bending    

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Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1584-1594 doi: 10.1007/s11705-022-2189-4

Abstract: The differences of the ionic magnetic moment among rare earths are greater than that of ionic radius.Herein, a novel method based on the large ionic magnetic moment differences of rare earth elements wasliquid, then the ordering degree of them was improved with the Z-bond effect, and finally the magnetic moment

Keywords： rare earth element     different magnetic moment     magnetic separation     ionic liquid    

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Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0961-2

Abstract: This study develops equations to predict the existing pile bending moment and deflection produced byIt is practically unfeasible to obtain measurement data; hence, artificial data for the bending momentThe estimation results of the developed equations can provide satisfactory pile bending moment and deflection

Keywords： pile responses     excavation     prediction     deflection     bending moments    

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The Application of Moving Frame in the Calculation of Spiral Bevel Gear’s Principal Curvature

Wang Yuqing,Liang Jian

Strategic Study of CAE 2001, Volume 3, Issue 12,   Pages 68-70

Abstract:

the calculation of contacted points´ principal curvature is the key to determine contacted areaTraditionally, the method of determining principal curvature is to make use of the theory of mesh andmoving frame and co-differential are employed to give a sententious, effective algorithm of principal curvatureThis algorithm can be used for calculation of principal curvature in all kinds of curve surfaces.

Keywords： spiral bevel gear     principal curvature     moving frame    

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High-order moment methods for LRFD including random variables with unknown probability distributions

Zhao-Hui LU, Yan-Gang ZHAO, Zhi-Wu YU

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 288-295 doi: 10.1007/s11709-013-0210-1

Abstract: In this paper, the high-order moment methods for LRFD including random variables with unknown probabilityiterative computation of derivatives nor any design points; 3) In the applicable range of the high-order moment

Keywords： high-order moment methods     applicable range     load and resistance factors     target mean resistance    

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Damage identification in connections of moment frames using time domain responses and an optimization

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 851-866 doi: 10.1007/s11709-021-0739-3

Abstract: In this study, an optimization-based method for joint damage identification of moment frames using theThe beam-to-column connection in a metallic moment frame structure is modeled by a zero-length rotational

Keywords： damage identification     beam-to-column connection     time-domain response     optimization    

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Seismic curvature attributes and their application to seismic interpretation

Bai Guanjun,Zhao Rumin,Yang Songling, Li Peipei

Strategic Study of CAE 2011, Volume 13, Issue 5,   Pages 23-27

Abstract:

Based on the theory of seismic curvature attributes, this paper analyzedfeatures of seismic curvature attributes and found out effective seismic curvature attributes to interpretSuming up the application of the eismic curvature attributes and the notable problems during the processof application,2D curvature attributes explicit physical meanings and obvious advantages in identificationThe applications show that it is effective and convenient to interpret faults using seismic curvature

Keywords： seismic curvature     fault interpretation     sedimentary bodies interpretation     3D interpreted horizon    

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Estimation of load and resistance factors using the third-moment method based on the 3P-lognormal distribution

Yan-Gang ZHAO, Zhao-Hui LU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 315-322 doi: 10.1007/s11709-011-0117-7

Abstract: In this article, the third-moment reliability index, based on the three-parameter lognormal (3P-lognormalA simple method based on the third-moment method for estimating load and resistance factors is then proposedNumerical examples are presented to demonstrate the advantages of the proposed third moment method for

Keywords： load and resistance factors     third-moment method     three-parameter lognormal (3P-lognormal) distribution    

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Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 19-25 doi: 10.1007/s11709-014-0240-3

Abstract: Pushover analysis (POA) and incremental dynamic analysis (IDA) were run on moment resisting steel frames

Keywords： incremental dynamic analysis (IDA)     pushover analysis     performance-based seismic design    

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Title Author Date Type Operation

Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Journal Article

Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Journal Article

Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Journal Article

Estimating moment capacity of ferrocement members using self-evolving network

Abdussamad ISMAIL

Journal Article

Shaking-moment balancing of mechanisms with principal vectors and momentum

V. van der WIJK

Journal Article

Initial stiffness and moment resistance of reinforced joint with end-plate connection

Sufang WANG, Yiyi CHEN,

Journal Article

Soft curvature sensors for measuring the rotational angles of mechanical fingers

Haixiao LIU, Li LI, Zhikang OUYANG, Wei SUN

Journal Article

Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Journal Article

Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Journal Article

The Application of Moving Frame in the Calculation of Spiral Bevel Gear’s Principal Curvature

Wang Yuqing,Liang Jian

Journal Article

High-order moment methods for LRFD including random variables with unknown probability distributions

Zhao-Hui LU, Yan-Gang ZHAO, Zhi-Wu YU

Journal Article

Damage identification in connections of moment frames using time domain responses and an optimization

Journal Article

Seismic curvature attributes and their application to seismic interpretation

Bai Guanjun,Zhao Rumin,Yang Songling, Li Peipei

Journal Article

Estimation of load and resistance factors using the third-moment method based on the 3P-lognormal distribution

Yan-Gang ZHAO, Zhao-Hui LU

Journal Article

Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Journal Article