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Investigations concerning seismic response control of self-anchored suspension bridge with MR dampers

YANG Menggang, HU Jianhua

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 43-48 doi: 10.1007/s11709-008-0011-0

Abstract: To mitigate the seismic response of self-anchored suspension bridges, equations of motion governing thecorresponding computer program is developed and employed for studying the seismic response control of a self-anchoredsuspension bridge with a main span of 350 m.

Keywords： longitudinal displacement     corresponding computer     excitation     phenomenological     self-anchored suspension    

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Computational fluid dynamic analysis of flutter characteristics for self-anchored suspension bridges

ZHU Zhiwen, WANG Zhaoxiang, CHEN Zhengqing

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 267-273 doi: 10.1007/s11709-008-0034-6

Abstract: The proposed methods are employed to identify flutter derivatives of the bridge deck of the Sanchaji Self-anchoredSuspension Bridge.

Keywords： discretization     computational     description     Self-anchored Suspension     simulation applicable    

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Limit span of self-anchored cable-stayed suspension cooperation system bridge based on strength

Zhe ZHANG , Huili WANG , Xiaomeng GE , Sifeng QIN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 286-291 doi: 10.1007/s11709-009-0045-y

Abstract: The limit span of self-anchored cable-stayed suspension bridge is deduced.Based on the material strength and commonly used materials, the limit spans of self-anchored cable-stayedsuspension bridges with concrete girder or steel girder under vertical static load are discussed in

Keywords： cable-stayed suspension     self-anchored     limit span    

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Calculation method on shape finding of self-anchored suspension bridge with spatial cables

Yan HAN, Zhengqing CHEN, Shidong LUO, Shankui YANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 165-172 doi: 10.1007/s11709-009-0021-6

Abstract: Based on the spatial model, a reliable and accurate calculation method on the shape finding of self-anchoredsuspension bridge with spatial cables was studied in this paper.By using a numerical method combining with the finite element method, one self-anchored suspension bridgelength of the main cables, the position of the saddle, and the pre-offsetting of the saddle of the self-anchoredsuspension bridge were given.

Keywords： bridge engineering     self-anchored suspension bridges     special cables     shape-finding     calculation method    

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Experimental research on the multilayer compartmental particle damper and its application methods on long-period bridge structures

Zhenyuan LUO, Weiming YAN, Weibing XU, Qinfei ZHENG, Baoshun WANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 751-766 doi: 10.1007/s11709-018-0509-z

Abstract: compartmental particle damper (MCPD) was proposed, and a 1/20 scale test model of a typical long-period self-anchoredsuspension bridge with a single tower was designed and fabricated.These results indicate that the application of MCPDs for seismic control of single-tower self-anchoredsuspension bridges and other long-period structures is viable.

Keywords： energy dissipation devices     multilayer compartmental particle damper     self-anchored suspension bridges    

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Self-propelled automatic chassis of Lunokhod-1: History of creation in episodes

Mikhail MALENKOV

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 60-86 doi: 10.1007/s11465-016-0370-5

Abstract:

This report reviews the most important episodes in the history of designing the self-propelled automatic

Keywords： moon rover     self-propelled chassis     propulsion     wheel     suspension     soil properties     cross-country ability    

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Sulfur-deficient CoNi2S4 nanoparticles-anchored porous carbon nanofibers as bifunctional

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1707-1717 doi: 10.1007/s11705-023-2308-x

Abstract: Water electrolysis technology is considered to be one of the most promising means to produce hydrogen. Herein, aiming at the problems of high overpotential and slow kinetics in water splitting, N-doped porous carbon nanofibers-coupled CoNi2S4 nanoparticles are prepared as bifunctional electrocatalyst. In the strategy, NaCl is used as the template to prepare porous carbon nanofibers with a large surface area, and sulfur vacancies are created to modulate the electronic structure of CoNi2S4. Electron spin resonance confirms the formation of abundant sulfur vacancies, which largely reduce the bandgap of CoNi2S4 from 1.68 to 0.52 eV. The narrowed bandgap is conducive to the migration of valence electrons and decreases the charge transfer resistance for electrocatalytic reaction. Moreover, the uniform distribution of CoNi2S4 nanoparticles on carbon nanofibers can prevent the aggregation and facilitate the exposure of electrochemical active sites. Therefore, the composite catalyst exhibits low overpotentials of 340 mV@100 mA·cm–2 for oxygen evolution reaction and 380 mV@100 mA·cm–2 for hydrogen evolution reaction. The assembled electrolyzer requires 1.64 V to achieve 10 mA·cm–2 for overall water-splitting with good long-term stability. The excellent performance results from the synergistic effect of porous structures, sulfur deficiency, nitrogen doping, and the well-dispersed active component.

Keywords： nanoparticle     sulfur vacancy     porous carbon nanofiber     transition metal sulfides     electrolysis    

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Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 893-905 doi: 10.1007/s11705-022-2290-8

Abstract: A novel alginate/poly(acrylic acid/acrylamide) double-network hydrogel composite with silver nanoparticles was successfully fabricated using the sol–gel method. The presence of carboxyl and amide groups in the network structure provided abundant active sites for complexing silver ions, facilitating the in situ reduction and confinement of silver nanoparticles. In batch experiments, the optimal silver loading was 20%, and 5 mmol·L–1 of p-nitrophenol was completely degraded in 113 s with a rate constant value of 4.057 × 10−2 s–1. In the tap water system and simulated seawater system, the degradation time of p-nitrophenol at the same concentration was 261 and 276 s, respectively, with a conversion rate above 99%. In the fixed-bed experiment, the conversion rate remained above 74% after 3 h at a flowing rate of 7 mL·min–1. After 8 cycling tests, the conversion rate remained at 98.7%. Moreover, the catalyst exhibited outstanding performance in the degradation experiment of four typical organic dyes.

Keywords： double-network hydrogel     dye degradation     silver nanoparticles     alginate    

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Co anchored on porphyrinic triazine-based frameworks with excellent biocompatibility for conversion of

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1761-1771 doi: 10.1007/s11705-022-2195-6

Abstract: To solve the bottleneck problem, Co anchored on porphyrinic triazine-based frameworks was synthesized

Keywords： microbial electrosynthesis     hydrogen evolution reaction     metalloporphyrins     biocompatibility     CO2 conversion    

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Mechanical performance analysis and stiffness test of a new type of suspension bridge

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1160-1180 doi: 10.1007/s11709-021-0760-6

Abstract: A new type of suspension bridge is proposed based on the gravity stiffness principle.Compared with a conventional suspension bridge, the proposed bridge adds rigid webs and cross braces.The rigid webs and cross braces are installed after the construction of a conventional suspension bridgeA new type of railway suspension bridge with a span of 340 m and a highway suspension bridge with a spanThe results showed that the new suspension bridge had a better performance than the conventional suspension

Keywords： new type of suspension bridge     stiffness test     mechanical performance     railway bridge     space truss    

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Improvement of aerodynamic stability of suspension bridges with H-shaped simplified stiffening girder

Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO,Yoko OKAZAKI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 93-102 doi: 10.1007/s11709-015-0311-0

Abstract: Wind-tunnel study on the improvement of aerodynamic stability of simplified suspension-bridge girderObjective of the study is the development of an economically superior suspension bridge with 500–1,000

Keywords： suspension bridge     aerodynamics     simplified girder     wind-tunnel test    

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Sagittal SLIP-anchored task space control for a monopode robot traversing irregular terrain

Haitao YU, Haibo GAO, Liang DING, Zongquan DENG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 193-208 doi: 10.1007/s11465-019-0569-3

Abstract: the center of mass (CoM) with maneuverability, this study presents a novel two-layered sagittal SLIP-anchored

Keywords： legged robots     spring-loaded inverted pendulum     task space control     apex return map     deadbeat control     irregular terrain negotiation    

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Dynamic behavior analysis of Taizhou Bridge

Ruan Jing,Ma Rujin

Strategic Study of CAE 2010, Volume 12, Issue 8,   Pages 83-87

Abstract: The three- pylon two-span suspension bridge does have different static and dynamic behaviors comparingwith traditional one-span suspension bridge.

Keywords： three-pylon two-span suspension bridge     dynamic property     self-vibration frequency     vibration shape    

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Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 476-482 doi: 10.1007/s11465-010-0120-z

Abstract: Based on D’Alembert principle, an integral balanced suspension (IBS) model is established, consideringThe sprung mass accelera- tion and tire dynamic force for balanced suspension and the traditional quarter-vehicle

Keywords： heavy vehicle     integral balanced suspension     enveloping properties     ride comfort     road-friendliness    

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Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Engineering doi: 10.1016/j.eng.2023.06.014

Abstract: Active suspension systems (ASSs) have been proposed and developed for a few decades, and have now onceincluding the representative solutions of Mercedes active body control (ABC) and Audi predictive active suspensioncould become alternative candidates are also introduced, including series active variable geometry suspension

Keywords： Active suspension     Vehicle dynamics     Robust control     Ride comfort     Chassis attitude    

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Title Author Date Type Operation

Investigations concerning seismic response control of self-anchored suspension bridge with MR dampers

YANG Menggang, HU Jianhua

Journal Article

Computational fluid dynamic analysis of flutter characteristics for self-anchored suspension bridges

ZHU Zhiwen, WANG Zhaoxiang, CHEN Zhengqing

Journal Article

Limit span of self-anchored cable-stayed suspension cooperation system bridge based on strength

Zhe ZHANG , Huili WANG , Xiaomeng GE , Sifeng QIN ,

Journal Article

Calculation method on shape finding of self-anchored suspension bridge with spatial cables

Yan HAN, Zhengqing CHEN, Shidong LUO, Shankui YANG

Journal Article

Experimental research on the multilayer compartmental particle damper and its application methods on long-period bridge structures

Zhenyuan LUO, Weiming YAN, Weibing XU, Qinfei ZHENG, Baoshun WANG

Journal Article

Self-propelled automatic chassis of Lunokhod-1: History of creation in episodes

Mikhail MALENKOV

Journal Article

Sulfur-deficient CoNi2S4 nanoparticles-anchored porous carbon nanofibers as bifunctional

Journal Article

Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Journal Article

Co anchored on porphyrinic triazine-based frameworks with excellent biocompatibility for conversion of

Journal Article

Mechanical performance analysis and stiffness test of a new type of suspension bridge

Journal Article

Improvement of aerodynamic stability of suspension bridges with H-shaped simplified stiffening girder

Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO,Yoko OKAZAKI

Journal Article

Sagittal SLIP-anchored task space control for a monopode robot traversing irregular terrain

Haitao YU, Haibo GAO, Liang DING, Zongquan DENG

Journal Article

Dynamic behavior analysis of Taizhou Bridge

Ruan Jing,Ma Rujin

Journal Article

Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

Journal Article

Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Journal Article