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Structural dimension optimization and mechanical response analysis of fabricated honeycomb plastic pavement

Zixuan CHEN; Tao LIU; Xiao MA; Hanyu TANG; Jianyou HUANG; Jianzhong PEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 896-908 doi: 10.1007/s11709-022-0856-7

Abstract: Because of favorable mechanical properties, deformation resistance and being conducive to environmentalMechanical response of honeycomb slabs with different internal dimensions and external dimensions wereThen, the mechanical responses of this optimized fabricated plastic slab were further investigated.

Keywords： honeycomb structure     plastic pavement     dimension optimization     mechanical response     factor significance    

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Inverse identification of the mechanical parameters of a pipeline hoop and analysis of the effect of

Ye GAO, Wei SUN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 358-368 doi: 10.1007/s11465-019-0539-9

Abstract: create a dynamic model of a pipeline system effectively and analyze its vibration characteristics, the mechanicalparameters was described based on the measured natural frequencies and amplitudes of the frequency responseA case study was performed, and the mechanical parameters of the hoop were identified using the proposed

Keywords： inverse identification     pipeline hoop     frequency response function     mechanical parameters     preload    

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Structural design and mechanical responses of closely spaced super-span double tunnels in strongly weathered

Jiaxin HE; Shaohui HE; Xiabing LIU; Jinlei ZHENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 685-703 doi: 10.1007/s11709-022-0824-2

Abstract: The mechanical responses of the HRT during ST construction were comprehensively monitored and analyzed

Keywords： double tunnels     super-span     structural design     mechanical response     numerical simulation     field monitoring    

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Research of mid and high frequency response of complex mechanical structures using energy finite element

Zhu Danhui,Xie Miaoxia,Kong Xiangjie,Zhang Wenbo,Chen Hualing

Strategic Study of CAE 2013, Volume 15, Issue 1,   Pages 106-112

Abstract: reviewed, which indicate that the development direction of this method tend to predict the dynamic responsenbsp;the achievements of our research group are presented, which focus on predict the dynamical responseof actual complex mechanical structures excited by complex external excitation in practical.There are three main aspects are referred: the first section is that the EFEM to predict the responsecylindrical shell and truncated conical shell, and this method help us to obtain the local detail response

Keywords： mid and high frequency response     energy finite element method     prediction of vibro-acoustical response     mechanical structure     dynamics    

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Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 745-762 doi: 10.1007/s11709-023-0935-4

Abstract: An analytical model based on complex variable theory is proposed to investigate ground responses due to shallow tunneling in multi-layered ground with an arbitrary ground surface load. The ground layers are assumed to be linear-elastic with full-stick contact between them. To solve the proposed multi-boundary problem, a series of analytic functions is introduced to accurately express the stresses and displacements contributed by different boundaries. Based on the principle of linear-elastic superposition, the multi-boundary problem is converted into a superposition of multiple single-boundary problems. The conformal mappings of different boundaries are independent of each other, which allows the stress and displacement fields to be obtained by the sum of components from each boundary. The analytical results are validated based on numerical and in situ monitoring results. The present model is superior to the classical model for analyzing ground responses of shallow tunneling in multi-layered ground; thus, it can be used with assurance to estimate the ground movement and surface building safety of shallow tunnel constructions beneath surface buildings. Moreover, the solution for the ground stress distribution can be used to estimate the safety of a single-layer composite ground.

Keywords： analytical model     mechanical response     multi-layered ground     shallow tunneling     ground surface load    

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Nickel-based metal−organic framework-derived whisker-shaped nickel phyllosilicate toward efficiently enhanced mechanical

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1493-1504 doi: 10.1007/s11705-022-2168-9

Abstract: Then, the nickel phyllosilicate whiskers were evaluated to enhance the mechanical, thermal, flammable

Keywords： metal−organic framework     nickel phyllosilicate     whisker     epoxy resin     mechanical response     tribological    

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Nonlinear analysis and reliability of metallic truss structures

Karim BENYAHI, Youcef BOUAFIA, Salma BARBOURA, Mohand Said KACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 577-593 doi: 10.1007/s11709-017-0458-y

Abstract: The objective is to show how a reliability-evaluation brought by a mechanical sizing can be obtained.For that purpose, it is necessary to have a mechanical model and a reliability model representing correctlyIt is a question on one hand, to propose a formulation for the nonlinear calculation (mechanical nonlinearity

Keywords： modeling     nonlinearity mechanical     truss     probability     reliability     response surface     probability of failure    

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A bionic approach for the mechanical and electrical decoupling of an MEMS capacitive sensor in ultralow

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-023-0747-1

Abstract: However, attention has been rarely given on the influences of external mechanical and internal electricalIn this work, a bionic swallow structure design norm was developed for mechanical decoupling, and theinfluences of structural parameters on mechanical behavior were fully analyzed and optimized.High immunity to mechanical disturbances was maintained simultaneously, i.e., less than 0.369% and 0.058%

Keywords： micro-electro-mechanical system capacitive sensor     bionics     operation instability     mechanical and electrical    

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Determination of mechanical parameters for elements in meso-mechanical models of concrete

Xianglin GU, Junyu JIA, Zhuolin WANG, Li HONG, Feng LIN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 391-401 doi: 10.1007/s11709-013-0225-7

Abstract: based on the discrete element method with the modified-rigid-body-spring concrete model, in which the mechanicalpredicted by the Carpinteri and Weibull size effects laws, a series of formulas to convert the macro-scale mechanical

Keywords： concrete     meso-mechanical model     discrete element method     size effect     mechanical parameter    

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Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1254-1266 doi: 10.1007/s11705-023-2297-3

Abstract: To enhance the mechanical properties and wear resistance of epoxy resin, polyaniline nanorods were firstthe phase structures and compositions of polyaniline nanorods, and their positive influences on the mechanical

Keywords： epoxy resin     polyaniline nanorods     mechanical property     tribological performance     wear mechanism    

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Mechanical study of steel bridge deck pavement with composite guss asphalt materials

Zhu Huaping,Li Guofen,Cao Mu,Wang Hongchang

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 60-62

Abstract:

At present, the diseases of steel bridge deck pavement in long-span bridge are still very common, and steel bridge deck pavement has become a difficult problem of long-span bridge development. The stress analysis of compound casting type asphalt pavement was made using the finite element method. Taking the orthotropic steel deck and the pavement as a whole, a finite element model was established which can be used to study the stress and strain features of the surfacing layer.

Keywords： highway engineering     steel box girder     finite element model     stress and strain property     dynamic response    

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Thermo-mechanical simulation of frost heave in saturated soils

Frontiers of Structural and Civil Engineering   Pages 1400-1412 doi: 10.1007/s11709-023-0990-x

Abstract: The study of frost heave requires conducting a multiphysics analysis, considering the thermal, mechanicalThis paper presents the use of a coupled thermo-mechanical approach to simulate frost heave in saturatedA function predicting porosity evolution is implemented to couple the thermal and mechanical field analysesThe results of the simulations indicate that the thermo-mechanical model captures various processes involved

Keywords： frost heave     multiphysics analysis     thermo-mechanical approach     saturated soils    

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Electronic and mechanical responses of two-dimensional HfS

Mohammad SALAVATI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 486-494 doi: 10.1007/s11709-018-0491-5

Abstract: We accordingly conducted first-principles calculations to explore the mechanical and electronic responses

Keywords： 2D materials     mechanical     electronic     DFT    

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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 structures. However, relevant research data are very limited, because of the difficulty with preparing specimens with different inclination angles using traditional methods. Furthermore, the anisotropy test of rockfill materials is complex and complicated, especially for triaxial tests, in which the major principal stress plane intersects with the compaction plane at different angles. In this study, the geometric characteristics of a typical particle fraction consisting of a specific rockfill material were statistically investigated, and the distribution characteristics of particle orientation in specimens prepared via different compaction methods were examined. For high-density rockfill materials, a set of specimen preparation devices for inclined compaction planes was developed, and a series of conventional triaxial compression tests with different principal stress direction angles were conducted. The results reveal that the principal stress direction angle has a significant effect on the modulus, shear strength, and dilatancy of the compacted rockfill materials. Analysis of the relationship between the principal stress direction angles, change in the stress state, and change in the corresponding dominant shear plane shows that the angle between the compacted surface and dominant shear plane is closely related to interlocking resistance associated with the particle orientation. In addition, different principal stress direction angles can change the extent of the particle interlocking effect, causing the specimen to exhibit different degrees of anisotropy.

Keywords： rockfill     inclination of specimen preparation     anisotropy     mechanical property     mechanism    

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Three-dimensional composite Li metal anode by simple mechanical modification for high-energy batteries

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 569-584 doi: 10.1007/s11708-023-0875-7

Abstract: Under this condition, a novel method to construct 3D composite anode via simple mechanical modificationIn this mini review, a systematic and in-depth investigation of this mechanical deformation techniqueFirst, by summarizing a number of recent studies, different mechanical modification approaches are classifiedThen, the effect of each individual mechanical modification approach and its working mechanisms is reviewed

Keywords： lithium (Li)-ion battery (LIB)     Li metal battery     three-dimensional (3D) composite Li metal anode     mechanical    

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Title Author Date Type Operation

Structural dimension optimization and mechanical response analysis of fabricated honeycomb plastic pavement

Zixuan CHEN; Tao LIU; Xiao MA; Hanyu TANG; Jianyou HUANG; Jianzhong PEI

Journal Article

Inverse identification of the mechanical parameters of a pipeline hoop and analysis of the effect of

Ye GAO, Wei SUN

Journal Article

Structural design and mechanical responses of closely spaced super-span double tunnels in strongly weathered

Jiaxin HE; Shaohui HE; Xiabing LIU; Jinlei ZHENG

Journal Article

Research of mid and high frequency response of complex mechanical structures using energy finite element

Zhu Danhui,Xie Miaoxia,Kong Xiangjie,Zhang Wenbo,Chen Hualing

Journal Article

Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Journal Article

Nickel-based metal−organic framework-derived whisker-shaped nickel phyllosilicate toward efficiently enhanced mechanical

Journal Article

Nonlinear analysis and reliability of metallic truss structures

Karim BENYAHI, Youcef BOUAFIA, Salma BARBOURA, Mohand Said KACHI

Journal Article

A bionic approach for the mechanical and electrical decoupling of an MEMS capacitive sensor in ultralow

Journal Article

Determination of mechanical parameters for elements in meso-mechanical models of concrete

Xianglin GU, Junyu JIA, Zhuolin WANG, Li HONG, Feng LIN

Journal Article

Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Journal Article

Mechanical study of steel bridge deck pavement with composite guss asphalt materials

Zhu Huaping,Li Guofen,Cao Mu,Wang Hongchang

Journal Article

Thermo-mechanical simulation of frost heave in saturated soils

Journal Article

Electronic and mechanical responses of two-dimensional HfS

Mohammad SALAVATI

Journal Article

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

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

Journal Article

Three-dimensional composite Li metal anode by simple mechanical modification for high-energy batteries

Journal Article