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Micromixing performance of the teethed high shear mixer under semi-batch operation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 546-559 doi: 10.1007/s11705-021-2069-3

Abstract: Herein the structural and operating parameters of the teethed high shear mixers were adjusted to studythe micromixing performance in the semi-batch operated system, using the Villermaux/Dushman reactionthat the rising of the rotor speed and the number of rotor teeth, the decrease of the width of the shearevolution of the flow pattern and turbulent energy dissipation rate of the semi-batch operated high shearwhich can provide valuable guidance on the design and optimization of the semi-batch operated high shear

Keywords： high shear mixer     semi-batch operation     micromixing performance     Villermaux/Dushman system     segregation    

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Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concrete

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 704-721 doi: 10.1007/s11709-023-0941-6

Abstract: In this study, the flexural and longitudinal shear performances of two types of precast lightweight steel–ultra-highperformance concrete (UHPC) composite beams are investigated, where a cluster UHPC slab (CUS) and aand full-length shear pockets, respectively.Results show that the longitudinal shear force of the CUS is greater than that of the NUS, whereas theshear pockets is 650 mm.

Keywords： precast steel–UHPC composite beam     flexural performance     longitudinal shear performance     parametric study    

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Fatigue shear performance of concrete beams reinforced with hybrid (glass-fiber-reinforced polymer+ steel

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 576-594 doi: 10.1007/s11709-021-0728-6

Abstract: However, the fatigue shear performance of such beams is unclear.Therefore, beams with hybrid longitudinal bars and hybrid stirrups were designed, and fatigue shear testsFor specimens that failed by fatigue shear, all the glass-fiber-reinforced polymer stirrups and someGlass-fiber-reinforced polymer stirrups were subjected to fatigue tension and shear, and failed owingto shear.

Keywords： fatigue     shear     hybrid stirrups     hybrid reinforcement     fiber-reinforced polymer    

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Behavior and strength of headed stud shear connectors in ultra-high performance concrete of composite

Jianan QI, Yuqing HU, Jingquan WANG, Wenchao LI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1138-1149 doi: 10.1007/s11709-019-0542-6

Abstract: This study presents an experimental and numerical investigation on the static behavior of headed stud shearconnectors in ultra-high performance concrete (UHPC) of composite bridges., crushing or splitting was observed on the concrete slab, indicating that UHPC slab exhibited good performanceThe numerical and experimental results indicated that the shear capacity is supposed to be composed oftwo parts stud shank shear contribution and concrete wedge block shear contribution.

Keywords： ultra-high performance concrete     studs     shear strength     FE analysis     push-out test    

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Lateral shear performance of sheathed post-and-beam wooden structures with small panels

Frontiers of Structural and Civil Engineering   Pages 1117-1131 doi: 10.1007/s11709-023-0939-0

Abstract: To verify the lateral shear performance of wood frame shear walls with smaller panels, we subjected 13shear walls, measuring 0.91 m in width and 2.925 m in height, to a low-cycle cyclic loading test withThe results indicate that the hysteretic performance of the walls was mainly determined by the hystereticperformance of the sheathing-frame connection.The shear wall remained in the elastic stage when the drift was 1/250 rad and ductility coefficients

Keywords： post-and-beam wooden structures with sheathed walls     low reversed cyclic loading     bearing capacity     stiffness     numerical simulation    

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Behaviour of self-centring shear walls——A state of the art review

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 53-77 doi: 10.1007/s11709-022-0850-0

Abstract: post-tensioning (PT) in structural walls has led to the development of advanced self-centring (rocking) shearsliding, confinement, seismic performance factors, PT loss, PT force range and residual drifts of shearThe established database was then used to review shear walls’ configurations, material, and componentsThe behaviour of concrete, masonry and timber shear walls were compared and critically analysed.The general behaviour, force-displacement performance of the walls, ductility, and seismic response factors

Keywords： self-centring shear walls     rocking walls     energy dissipation     seismic performance factors     PT loss     residual    

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Shear behavior of ultra-high-performance concrete beams prestressed with external carbon fiber-reinforced

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1426-1440 doi: 10.1007/s11709-021-0783-z

Abstract: The ultra-high-performance concrete (UHPC) and fiber-reinforced polymer (FRP) are well-accepted high-performanceThe combination of these advanced materials could contribute to improvement of structural performanceThe shear span to depth ratio had a significant influence on the shear capacity, and the effective prestressingFurther, a new shear design equation was proposed to take into account the effect of the shear span todepth ratio and the steel fiber content on shear capacity.

Keywords： beam     external prestressing     ultra-high-performance concrete     fiber-reinforced polymers     shear behavior    

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Performance evaluation of low-rise infilled reinforced concrete frames designed by considering localeffects on column shear demand

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 686-703 doi: 10.1007/s11709-023-0937-2

Abstract: However, local wall-frame interactions can also lead to increased shear demand in the columns owing toThe performance of these frames was assessed using nonlinear static, and dynamic analyses.The performance of the frames and the failure modes were compared with those of frames designed withoutThe proposed method can eliminate the column shear failure from the building.

Keywords： reinforced concrete frames     infill wall     seismic design method     shear failure     wall-frame interaction    

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Load-sharing mechanism in timber-steel hybrid shear wall systems

Zheng LI,Minjuan HE,Frank LAM,Minghao LI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 203-214 doi: 10.1007/s11709-015-0293-y

Abstract: The lateral performance of timber-steel hybrid shear wall systems with regard to the interaction betweenthe steel frame and the infill wood shear wall was investigated in this paper.A numerical model for the timber-steel hybrid shear wall system was developed and verified against testIn the hybrid shear wall system, the infill wood wall was found to resist a major part of the lateralobserved through different lateral load resisting mechanisms, which provided robustness to the hybrid shear

Keywords： timer-steel hybrid     shear wall     load sharing mechanism     seismic performance     parametric analysis    

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Structural performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 122-137 doi: 10.1007/s11709-022-0894-1

Abstract: First, pull-out tests were conducted to evaluate the anchoring performance of the connector in concreteThereafter, direct shear tests were conducted to investigate the shear performance of the connector.After the test on the individual performance of the connector, five façade PCSP specimens with the bar-typeBFRP connector were fabricated, and the out-of-plane flexural performance was tested under a uniformlycomposite PCSP; 3) the boundary condition of the panel considerably influenced the out-of-plane flexural performance

Keywords： precast concrete sandwich panel     basalt fiber reinforced polymer     pull-out performance     shear performance     out-of-plane flexural performance    

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Modeling of shear walls using finite shear connector elements based on continuum plasticity

Ulf Arne GIRHAMMAR, Per Johan GUSTAFSSON, Bo KÄLLSNER

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 143-157 doi: 10.1007/s11709-016-0377-3

Abstract: The mechanical behavior of the sheathing-to-framing joints has a significant impact on the structural performanceof shear walls.This paper is focused on the finite element modeling of shear walls.The purpose is to present a new shear connector element based on the theory of continuum plasticity.Load-displacement curves for shear walls are calculated using the shear connector model and they are

Keywords： shear walls     wall diaphragms     finite element modelling     plastic shear connector     analytical modelling     experimental    

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Nonlinear numerical simulation of punching shear behavior of reinforced concrete flat slabs with shear-heads

Dan V. BOMPA, Ahmed Y. ELGHAZOULI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 331-356 doi: 10.1007/s11709-019-0596-5

Abstract: paper examines the structural response of reinforced concrete flat slabs, provided with fully-embedded shear-headsassessments enable the identification of three modes of failure as a function of the interaction between the shear-headPractical recommendations are also provided for the design of shear-heads in RC slabs, including theshown to offer a more reliable design approach in comparison with existing methods for all types of shear-heads

Keywords： non-linear numerical modelling     concrete damage plasticity     RC flat slabs     shear-heads     punching shear    

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Self-centering steel plate shear walls for improving seismic resilience

Patricia M. CLAYTON,Daniel M. DOWDEN,Chao-Hsien LI,Jeffrey W. BERMAN,Michel BRUNEAU,Laura N. LOWES,Keh-Chuan TSAI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 283-290 doi: 10.1007/s11709-016-0344-z

Abstract: Buffalo, and Taiwan National Center for Research on Earthquake Engineering, a self-centering steel plate shearwall (SC-SPSW) system has been developed to achieve enhanced seismic performance objectives, includingA performance-based design procedure has been developed for the SC-SPSW, and a series of nonlinear responsehistory analyses have been conducted to verify intended seismic performance at multiple hazard levelsand that can be applied to other self-centering and steel plate shear wall systems.

Keywords： self-centering     steel plate shear walls     large-scale experiment     post-tensioned connections     performance-based    

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Prediction of the shear wave velocity

Amoroso SARA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 83-92 doi: 10.1007/s11709-013-0234-6

Abstract: The paper examines the correlations to obtain rough estimates of the shear wave velocity from non-seismic

Keywords： horizontal stress index     shear wave velocity     flat dilatometer test     cone penetration test    

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On braced trapezoidal corrugated steel shear panels: An experimental and numerical study

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 396-410 doi: 10.1007/s11709-023-0934-5

Abstract: system consisting of a combination of braces and steel infill panels called the braced corrugated steel shearSubsequently, a relationship was established to estimate the buckling shear strength of the system withoutThe results obtained from the parametric study indicate that the corrugated steel shear panel (CSSP)It can thus be concluded that the latter CSSP has the best structural performance and that increasingcorrugations, corrugation angle, and plate thickness and decreasing the sub-panel width generally enhance the performance

Keywords： trapezoidal corrugated plate     steel shear panel     braced steel shear panel     experimental study     buckling    

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Title Author Date Type Operation

Micromixing performance of the teethed high shear mixer under semi-batch operation

Journal Article

Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concrete

Journal Article

Fatigue shear performance of concrete beams reinforced with hybrid (glass-fiber-reinforced polymer+ steel

Journal Article

Behavior and strength of headed stud shear connectors in ultra-high performance concrete of composite

Jianan QI, Yuqing HU, Jingquan WANG, Wenchao LI

Journal Article

Lateral shear performance of sheathed post-and-beam wooden structures with small panels

Journal Article

Behaviour of self-centring shear walls——A state of the art review

Journal Article

Shear behavior of ultra-high-performance concrete beams prestressed with external carbon fiber-reinforced

Journal Article

Performance evaluation of low-rise infilled reinforced concrete frames designed by considering localeffects on column shear demand

Journal Article

Load-sharing mechanism in timber-steel hybrid shear wall systems

Zheng LI,Minjuan HE,Frank LAM,Minghao LI

Journal Article

Structural performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced

Journal Article

Modeling of shear walls using finite shear connector elements based on continuum plasticity

Ulf Arne GIRHAMMAR, Per Johan GUSTAFSSON, Bo KÄLLSNER

Journal Article

Nonlinear numerical simulation of punching shear behavior of reinforced concrete flat slabs with shear-heads

Dan V. BOMPA, Ahmed Y. ELGHAZOULI

Journal Article

Self-centering steel plate shear walls for improving seismic resilience

Patricia M. CLAYTON,Daniel M. DOWDEN,Chao-Hsien LI,Jeffrey W. BERMAN,Michel BRUNEAU,Laura N. LOWES,Keh-Chuan TSAI

Journal Article

Prediction of the shear wave velocity

Amoroso SARA

Journal Article

On braced trapezoidal corrugated steel shear panels: An experimental and numerical study

Journal Article