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Power performance of circular piezoelectric diaphragm generators

TANG Kehong, KAN Junwu, YANG Zhigang, CHENG Guangming, PENG Taijiang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4, Pages 434-440 doi: 10.1007/s11465-008-0069-3

Abstract: energy-harvesting device, the Raleigh method is used to establish the analysis model of circular piezoelectric compositeThe relationships between the output power and the structural parameters of piezoelectric composite diaphragmsSimulation results show that there are optimal structural parameters and load for a composite diaphragmA piezoelectric diaphragm generator with given dimensions tends to achieve higher output power under

Keywords： clamped boundary energy-harvesting composite diaphragm piezoelectric composite maximum

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Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3, Pages 646-663 doi: 10.1007/s11709-020-0584-9

Abstract: Thermo-active diaphragm walls have a large potential to remedy one of these problems, since they areIt is demonstrated that the thermal operation of the diaphragm wall causes changes in soil temperature, thermal expansion/shrinkage of pore water, and total stress applied on the diaphragm wall.These, in turn, cause displacements of the diaphragm wall and variations of the bending moments.However, these effects on the performance of diaphragm wall are not significant.

Keywords： thermo-active diaphragm wall finite element analysis thermo-hydro-mechanical coupling ground source heat

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Parametric sensitivity analysis of cellular diaphragm wall

Xi CHEN, Wei XU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4, Pages 358-364 doi: 10.1007/s11709-012-0177-3

Abstract: The deformation law of the cellular diaphragm wall in deep foundation pits was studied through numericalInteraction between the cellular diaphragm wall and the soil was also taken into account in the calculationThe centrifuge model test was carried out to study the deformation regulation for a cellular diaphragmIn the end, a suggestion was proposed to optimize the cellular diaphragm by adjusting the length of the

Keywords： cellular diaphragm wall sensitivity analysis optimization centrifuge model test

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Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1, Pages 93-100 doi: 10.1007/s11709-009-0015-4

Abstract: Rectangular-closed-diaphragm-wall foundation is a new type of bridge foundation.Diaphragm wall-soil-cap interaction was studied using a model test.

Keywords： diaphragm wall bridge foundation low cap interaction

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behavior of stiffened joints between concrete-filled steel tubular column and steel beam with narrow outer diaphragm

Chunyan QUAN,Wei WANG,Jian ZHOU,Rong WANG

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3, Pages 333-344 doi: 10.1007/s11709-016-0357-7

Abstract: engineering which was between concrete-filled steel tubular column and steel beam with narrow outer diaphragmOn the contrary, the inner diaphragm and inner stiffeners had limited impacts on the hysteretic behaviorThere was no hysteresis damage fracture on the narrow outer diaphragm connected to the concrete-filled

Keywords： narrow outer diaphragm concrete-filled tubular column joint inner and outer stiffening cyclic behavior

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The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4, Pages 398-420 doi: 10.1007/s11709-012-0175-5

Abstract: The rectangular closed diaphragm (RCD) wall is a new type of bridge foundation.

Keywords： diaphragm wall soil core bridge foundation FLAC3D bearing behavior

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Soil arching effect of Lattice-Shaped Diaphragm Wall as bridge foundation

Jiujiang WU, Lingjuan WANG, Qiangong CHENG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4, Pages 446-454 doi: 10.1007/s11709-017-0397-7

Abstract: As a new type of bridge foundation, Lattice-Shaped Diaphragm Wall (hereinafter for LSDW) is highly concerned

Keywords： LSDW soil arching PFC^2D shape of soil arching influencing factors

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Plasma-assisted oxidation of benzoic acid

Anna Khlyustova, Nikolay Sirotkin

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4, Pages 513-521 doi: 10.1007/s11705-019-1825-0

Abstract: Oxidation of benzoic acid in aqueous solutions by the atmospheric pressure glow discharge and underwater diaphragm

Keywords： atmospheric pressure glow discharge underwater diaphragm discharge oxidation benzoic acid hydroxyl radical

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The design of the south anchorage diaphragm wall for the Fourth Nanjing Yangtze River Bridge

Dong Meng,Jia Lifeng,Li Dan

Strategic Study of CAE 2013, Volume 15, Issue 8, Pages 26-30

Abstract: The braced excavation system applied can be described as shaft diaphragm wall foundation with the planeplane area, larger cross sectional moment of inertia, smaller radius, smaller circumferential stress of diaphragm

Keywords： anchorage diaphragm wall “∞”shape the Fourth Nanjing Yangtze River Bridge

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Technological development and engineering applications of novel steel-concrete composite structures

Jianguo NIE, Jiaji WANG, Shuangke GOU, Yaoyu ZHU, Jiansheng FAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1, Pages 1-14 doi: 10.1007/s11709-019-0514-x

Abstract: community, the development and proposition of novel resource-saving high-performance steel-concrete compositeThis paper summarizes the technical principles and applications of the long-span bi-directional compositeon uplift-restricted and slip-permitted (URSP) connectors, the steel plate concrete composite (SPCC)strengthen technique, and the innovative composite joints.The research results also indicate that the high-performance steel-concrete composite structures have

Keywords： high-performance composite structure bi-directional composite composite transfer uplift-restricted andslip-permitted connectors steel plate concrete composite strengthen

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Deep eutectic solvent inclusions for high- composite dielectric elastomers

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6, Pages 996-1002 doi: 10.1007/s11705-022-2138-2

Abstract: The as-prepared composite elastomers showed good stretchability and a greatly enhanced dielectric constantbelieved that low-cost, easy-synthesis and environmentally friendly deep eutectic solvents including composite

Keywords： composite materials deep eutectic solvent dielectric elastomer high dielectric constant

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An antibiotic composite electrode for improving the sensitivity of electrochemically active biofilm biosensor

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1518-7

Abstract:

• Antibiotic azithromycin employed in graphite electrode for EAB biosensor.

Keywords： AZM@GP composite electrode EAB-biosensor Water quality early-warning

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Structural optimization of filament wound composite pipes

Roham RAFIEE; Reza SHAHZADI; Hossein SPERESP

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8, Pages 1056-1069 doi: 10.1007/s11709-022-0868-3

Abstract: An optimization procedure is developed for obtaining optimal structural design of filament wound compositeThen, proper computational tools are developed for predicting the structural properties of the composite

Keywords： composite pipes optimization experimental validation computational modeling filament winding

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Progressive failure analysis of notched composite plate by utilizing macro mechanics approach

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3, Pages 623-642 doi: 10.1007/s11709-021-0726-8

Abstract: study, gradual and sudden reduction methods were combined to simulate a progressive failure in notched compositecomputational cost and is also capable of simultaneously predicting the first and last ply failures (LPFs) in compositethe first ply failure (FPF), LPF, and dominant failure modes of carbon/epoxy and glass/epoxy notched compositeeffects of mechanical properties and different stacking sequences on the propagation of damage in notched compositeit is revealed that the proposed method can accurately simulate the failure propagation in notched composite

Keywords： progressive failure notched composite plate Hashin failure criterion macro mechanics approach finite

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Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1, Pages 50-54 doi: 10.1007/s11465-008-0003-8

Abstract: Through the mode analysis of the liquid-solid coupled system, the first-order natural frequency, diaphragmThe vibration response of the diaphragm is calculated when an external electric field is applied.

Keywords： amplitude-frequency relationship first-order micropump diaphragm vibration electric