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Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 241-248 doi: 10.1007/s11709-009-0036-z

Abstract: In this paper, the along-wind and cross-wind fluctuating load distributions along the height of high-riseSome typical methods proposed in some relative literatures, i.e., load-response correlation (LRC), andquasi-mean load (QML) and gust load envelope (GLE) methods, are verified in terms of their accuracyin describing the background equivalent static wind load distribution on high-rise buildings.Based on the results, formulae of the distribution of background equivalent static load on high-rise

Keywords: high-rise buildings     along-wind     cross-wind     background equivalent static wind load     close formulae    

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 472-485 doi: 10.1007/s11708-015-0373-7

Abstract: The composite load is a combination of the static and dynamic load model.To develop this composite load model, the exponential load is used as a static load model and inductionmotors (IMs) are used as a dynamic load model.This aggregate model is used as a dynamic load model.exponential model of static load and for the fifth and third order IM dynamic load model using state

Keywords: isolated hybrid power system (IHPS)     composite load model     static load     dynamic load     induction motor loadmodel     aggregate load    

ANN-based empirical modelling of pile behaviour under static compressive loading

Abdussamad ISMAIL

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 594-608 doi: 10.1007/s11709-017-0446-2

Abstract: paper, an empirical model based on the product-unit neural network (PUNN) is developed to predict the load-deformationFrom the results obtained, it is observed that the proposed model gives a better simulation of pile load-deformation

Keywords: piles in compression     load-deformation behaviour     product-unit neural network    

Finding buckling points for nonlinear structures by dynamic relaxation scheme

Mohammad REZAIEE-PAJAND, Hossein ESTIRI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 23-61 doi: 10.1007/s11709-019-0549-z

Abstract: In this tactic, the fictitious mass and damping are added to the static governing equations, and an artificialBy using DRM for nonlinear analysis, the structural static equilibrium path is obtained.Among the finding related to the structural static path are the critical and buckling points for nonlinearIt is worth emphasizing that sign of the load factor increment changes at the load limit points.The results indicate that the suggested approach can trace the complex structural static paths, even

Keywords: load factor     external work     dynamic relaxation     static equilibrium path     large displacement    

Distributed fiber optic monitoring of a CFA pile with a central reinforcement bar bundle

Yi RUI, Nicholas de BATTISTA, Cedric KECHAVARZI, Xiaomin XU, Mei YIN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 167-176 doi: 10.1007/s11709-020-0581-z

Abstract: strain of a continuous flight auger (CFA) test pile with a central reinforcement bar bundle, during a staticload test carried out in London.Based on this pile load test, a finite element (FE) analysis was performed using a one-dimensional nonlinearload-transfer model.from the monitored data, the FE model was able to simulate the pile and soil performance during the load

Keywords: continuous flight auger pile     static load test     central reinforcement bar bundle     distributed fiber opticsensor     finite element     load transfer    

Study of in situ test to DX pile and post grouting bored pile

Liu Chungang,Chai Xiaobing,Ouyang Yi,He Dexin

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 80-85

Abstract:

The in-situ vertical resisting compression static test of DX pile is

Keywords: DX pile     static load test     bearing capacity     settlement    

Application of DX pile in bridge foundation

Zhang Dehua,Qi Wanpeng,He Dexin,He Jiandong,Sun Junping,Guo Guixia

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 65-68

Abstract: Two DX piles and one straight pile were tested by static loading method.

Keywords: DX pile     bearing capacity     bridge     static load test    

Damage detection in beam-like structures using static shear energy redistribution

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1552-1564 doi: 10.1007/s11709-022-0903-4

Abstract: In this study, a static shear energy algorithm is presented for the damage assessment of beam-like structuresTherefore, the change in the static shear energy is employed to determine the damage locations in beam-likeThe static shear energy is derived from the spectral factorization of the elementary stiffness matrix

Keywords: damage detection     beam structure     strain energy     static displacement variation     energy damage index    

A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial and Article

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Engineering 2015, Volume 1, Issue 3,   Pages 391-398 doi: 10.15302/J-ENG-2015063

Abstract:

High-speed and precision positioning are fundamental requirements for high-acceleration low-load mechanismsoptimization, we first reviewed the commonly flexible multibody dynamic optimization using equivalent staticmethod provides an effective theoretical support for the precision positioning of high-acceleration low-load

Keywords: high-acceleration low-load mechanism     precision positioning     spatial and temporal distribution     inertialenergy     equivalent static loads method (ESLM)     velocity planning    

Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 29-32

Abstract:

Recently, scientists and engineers are interested in coefficients of static friction on micro andOn macro scale, the friction force is proportional to load, the apparent coefficients of static frictionare always constant and not related with the load and the contact area between the load and the substratefriction and the load.differential and apparent coefficients of static friction, 〓 and 〓 for several models are deduced.

Keywords: differential coefficients of static friction     coefficients of static friction on micro or nano scale     apparentcoefficients of static friction     coefficients of static friction on macro scale    

Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 326-343 doi: 10.1007/s11465-015-0355-9

Abstract:

Static balancing for a manipulator’s weight is necessary in terms of energy saving and performance

Keywords: robotics     static balancing     pneumatic spring     mechanical spring     torque compensation    

Micromechanics model for static and dynamic strength of concrete under confinement

ZHENG Dan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 329-335 doi: 10.1007/s11709-008-0044-4

Abstract: On the assumption that the micro fracture toughness of concrete does not vary with stain rate, the static

Keywords: comparison     different     interaction     pseudo-force     toughness    

Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 164-177 doi: 10.1007/s11709-013-0196-8

Abstract: methods which are used to improve the structural performance of the bridge structure, to analyze the static

Keywords: structural performance     steel plates     external pre-stressing     cracks     grouting method     static    

Micro-nanoarchitectonic of aluminum-hydrogel propellant with static stability and dynamic rheology

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 4, doi: 10.1007/s11705-024-2404-6

Abstract: The aluminum-water system is a promising propellant due to high energy and low signal characteristics, and the gel form is easier to store and utilize. In this work, hydrogels of water and aluminum particles were prepared using the low-molecular-weight gellant agarose. The various physical properties of gel systems, including the water loss rate, phase transition temperature, and centrifugal stability at different gellant and aluminum contents, were examined. Rheological properties were assessed through shear thinning tests, thixotropy tests, strain sweep analysis, and frequency sweep experiments. The microstructure of the gel was obtained through scanning electron microscopy images. The results show that the aluminum-hydrogel network structure is composed of micron-scale aluminum and agarose nanosheets, and the unique micro-nanostructure endows the gel with excellent mechanical strength and thermal stability, which improve with increasing gellant and aluminum contents. Notably, the gel with 2% agarose and 20% aluminum had the best performance; the storage modulus reached 90647 Pa, which was within the linear viscoelastic region, and the maximum withstand pressure was 111.2 kPa, which was 118.8% greater than that of the pure hydrogel. Additionally, the gel demonstrates remarkable shear thinning behavior and can undergo gel-sol transformation upon shearing or heating to exceeding 114 °C.

Keywords: aluminum-water propellant     gelled propellant     rheological property     mechanical strength    

Combined static mixers for high viscous fluids mixing

Zhenhao XI, Weizhen SUN, Ling ZHAO, Zhaoyan LIU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 93-96 doi: 10.1007/s11705-009-0112-x

Abstract: A new static mixer Cross-over-Disc has been invented to strip off the boundary layer and to make strongFurthermore, mixing inhomogeneity for a combination of static mixing elements (four from Cross-over-Disc

Keywords: static mixer     Cross-over-Disc     pressure drop     mixing performance     high viscous fluid    

Title Author Date Type Operation

Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Journal Article

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Journal Article

ANN-based empirical modelling of pile behaviour under static compressive loading

Abdussamad ISMAIL

Journal Article

Finding buckling points for nonlinear structures by dynamic relaxation scheme

Mohammad REZAIEE-PAJAND, Hossein ESTIRI

Journal Article

Distributed fiber optic monitoring of a CFA pile with a central reinforcement bar bundle

Yi RUI, Nicholas de BATTISTA, Cedric KECHAVARZI, Xiaomin XU, Mei YIN

Journal Article

Study of in situ test to DX pile and post grouting bored pile

Liu Chungang,Chai Xiaobing,Ouyang Yi,He Dexin

Journal Article

Application of DX pile in bridge foundation

Zhang Dehua,Qi Wanpeng,He Dexin,He Jiandong,Sun Junping,Guo Guixia

Journal Article

Damage detection in beam-like structures using static shear energy redistribution

Journal Article

A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial and

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Journal Article

Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Journal Article

Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Journal Article

Micromechanics model for static and dynamic strength of concrete under confinement

ZHENG Dan

Journal Article

Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Journal Article

Micro-nanoarchitectonic of aluminum-hydrogel propellant with static stability and dynamic rheology

Journal Article

Combined static mixers for high viscous fluids mixing

Zhenhao XI, Weizhen SUN, Ling ZHAO, Zhaoyan LIU

Journal Article