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Response in piled raft foundation of tall chimneys under along-wind load incorporating flexibility of

B. R. JAYALEKSHMI,S.V. JISHA,R. SHIVASHANKAR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 3,   Pages 307-322 doi: 10.1007/s11709-015-0288-8

Abstract: the numerical analysis of tall reinforced concrete chimneys with piled raft foundation subjected to along-windThe chimneys were assumed to be located in terrain category 2 and subjected to a maximum wind speed ofThe along-wind loads were computed according to IS:4998 (Part 1)-1992.

Keywords： finite element method     piled raft     tall chimney     soil-structure interaction     along-wind load    

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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-risebuildings and their correlations are obtained through simultaneous pressure measurements in a wind tunnelSome 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.

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

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Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 558-567 doi: 10.1007/s11709-017-0455-1

Abstract: The calculation formulae for change of wind load acting on the car-body are derived when a train movesinto or out of the wind barrier structure, the dynamic analysis model of wind-vehicle-bridge systemwith wind barrier is established, and the influence of sudden change of wind load on the running safetyIt is shown that the sudden change of wind load caused by wind barrier has significant influence on thewind barriers, and the difference increases rapidly with wind velocity.

Keywords： wind barrier     sudden change of wind load     dynamic response     running safety     comfort    

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Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 605-617 doi: 10.1007/s11709-018-0499-x

Abstract: the mean wind and aeroelastic loads are applied simultaneously in time domain.loads, which leads to incorrect mean wind structural responses.It is shown that, in cases of low wind speeds, the IF-denoted model reflects correctly the mean windload properties, and results in correct mean structural responses; in contrast, the RF-denoted modelinvestigated at both moderate and high wind speeds.

Keywords： bridge     aerodynamics     nonlinear     aeroelastic model     Pseudo-steady     mean wind loads    

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On Advanced Control Methods toward Power Capture and Load Mitigation in Wind Turbines

Yuan Yuan,Jiong Tang

Engineering 2017, Volume 3, Issue 4,   Pages 494-503 doi: 10.1016/J.ENG.2017.04.023

Abstract:

This article provides a survey of recently emerged methods for wind turbine control.optimization of power capture and the reduction of loads in components under time-varying turbulent windWe divide the related research activities into three categories: modeling and dynamics of wind turbines, active control of wind turbines, and passive control of wind turbines.mostly focuses on blade pitch control, which is considered one of the key elements in facilitating load

Keywords： Wind turbine     Control approach     Power optimization     Load mitigation    

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Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 199-209 doi: 10.1007/s11709-012-0168-4

Abstract: the entire roof structure can be lifted off a building, particularly for low sloped roofs subject to wind-inducedfragility analysis of the collapse of steel roof frame structures under combined static and transient windUncertainties associated with wind load change rate and member imperfections are taken into account in

Keywords： collapse     dynamic response     fragility analysis     Monte Carlo simulation     wind load    

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Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 184-192 doi: 10.1007/s11708-012-0185-y

Abstract: Frequency regulation in a generation mix having large wind power penetration is a critical issue, aswind units isolate from the grid during disturbances with advanced power electronics controllers andThus, it is important that wind turbines also contribute to system frequency control.This paper examines the dynamic contribution of doubly fed induction generator (DFIG)-based wind turbinesimulations carried out in a two-area interconnected power system demonstrate the contribution of the DFIG in load

Keywords： doubly fed induction generator (DFIG)     load frequency control     inertial control     wind energy conversion    

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Experimental study of wind loads on gable roofs of low-rise buildings with overhangs

Peng HUANG, Ling TAO, Ming GU, Yong QUAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 300-317 doi: 10.1007/s11709-018-0449-7

Abstract: The wind pressure distributions on gable roofs of low-rise buildings are investigated by a series ofwind tunnel tests which consist of 99 test cases with various roof pitches, height-depth ratios and width-depthdesign of low-rise buildings in typhoon area and act as references for the future’s modification of windload codes.

Keywords： low-rise building     gable roof     wind loads     wind tunnel test     block pressure coefficient     load code    

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Reactive power compensation of an isolated hybrid power system with load interaction using ANFIS tuned

Nitin SAXENA,Ashwani KUMAR

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 261-268 doi: 10.1007/s11708-014-0298-6

Abstract: to tune the parameters of the static synchronous compensator (STATCOM) with frequent disturbances in loadmodel and power input of a wind-diesel based isolated hybrid power system (IHPS).controller constants are optimized for voltage stability in hybrid systems due to the interaction of loadloop load interaction with the system.change of 3% from the 1% at = 0.01 s for a 1% step increase in power input at variable wind speed

Keywords： isolated wind-diesel power system     adaptive neuro fuzzy interference system (ANFIS)     integral square error(ISE) criterion     load interaction    

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Load frequency control in deregulated power system with wind integrated system using fuzzy controller

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 245-254 doi: 10.1007/s11708-012-0218-6

Abstract: This paper presents the analysis of load frequency control (LFC) of a deregulated two-area hydro-thermalhighly competitive and distributed control environment, and the LFC becomes even more challenging when windThe overall inertia of the system reduces, as the wind unit does not provide inertia and isolates fromThe inertial control responds to frequency deviations, which takes out the kinetic energy of the windThe dynamics of the system have been obtained for a small load perturbation, and for contract violation

Keywords： frequency regulation     fuzzy controller     de-regulated power system     doubly fed induction generator (DFIG)     bilateral contract    

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Study on longitudinal wind load calculation method of cables for cablestayed bridge

Pei Minshan,Zhang Xigang,Zhu Bin,Hou Bin,Liu Changpeng

Strategic Study of CAE 2009, Volume 11, Issue 3,   Pages 26-30

Abstract: By comparing with the international research results, the calculation formula of longitudinal wind dragcoefficient for cables was advanced to fill the blank of bridge wind resistant code of China, and thisformula has already been adopted in the Highway Bridge Wind Resistant Design Code (JTG/T D60012004

Keywords： Sutong cablestayed bridge     stayed cable     longitudinal     wind tunnel experiments    

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Full-scale site evaluation of ventilation expressway embankments underlain by warm permafrost along the

Frontiers of Structural and Civil Engineering   Pages 1047-1059 doi: 10.1007/s11709-023-0034-6

Abstract: Ventilation embankments, including those with forced ventilation, natural ventilation, and combination of these, were adopted for the construction of the Gonghe−Yushu Expressway in warm permafrost areas. To evaluate the actual thermal performance of ventilation embankment in the Qinghai−Tibet Plateau, four types of ventilation embankments were selected as objects, and their long-term thermal characteristics were analyzed based on monitoring data. It was found that: 1) under the strong scale effect of a wide embankment, the crushed-rock embankment (CRE) was warming up and the permafrost table was declining year by year. Meanwhile, the combined ventilated slab and CRE and ventilated ducts embankment can effectively decrease the ground temperature and raise permafrost table in the year with a colder winter; 2) transverse temperature difference caused by the shady–sunny slope effect existed in all the four embankments. However, it was weakened by the combined ventilated slab and CRE and the ventilated ducts embankment due to their stronger cooling effect; and 3) the pre-existing embankment had a remarkable thermal disturbance to the adjacent newly-built embankment, so a reasonable embankment spacing should be considered in practical engineering. These findings would provide a reference for construction of expressway embankments in permafrost regions.

Keywords： warm permafrost     expressway     ventilation embankments     temperature field    

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Research on three kinds of wind power utilization mode

Kong Xiangwei and Gu Weidong

Strategic Study of CAE 2015, Volume 17, Issue 3,   Pages 20-23

Abstract: use of wind power，and detailedly elaborates the non-grid-connected wind power theory，discusses the?wind power and other renewable energy through the multi energy cooperative power supply applied to highenergy consuming industries，namely the connotation of non-grid-connected wind power.And it discussesthe relationship between distributed generation and non-grid-connected wind power theory.As distributed generations is a form of non-grid-connected wind power，the non-grid-connected wind power

Keywords： non-grid-connected；multi-energy synergistic；distributed generation；smart load    

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Antibiotic resistome mostly relates to bacterial taxonomy along a suburban transmission chain

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1466-7

Abstract:

• The α-diversities of resistome were lower in manure and compost than in soils.

Keywords： Antibiotic resistance genes     Resistome     Bacterial taxonomy     Transmission chain    

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Bioaerosolization behavior along sewage sludge biostabilization

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1339-5

Abstract:

• Aerosolization behavior during a lab-scale sludge biostabilization was determined.

Keywords： Sludge     Composting     Bioaerosol     Bioaerosolization index     High-throughput sequencing     4′     6-diamidino-2-phenylindole (DAPI)    

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Title Author Date Type Operation

Response in piled raft foundation of tall chimneys under along-wind load incorporating flexibility of

B. R. JAYALEKSHMI,S.V. JISHA,R. SHIVASHANKAR

Journal Article

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

Jianguo ZHANG , Ming GU ,

Journal Article

Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Journal Article

Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Journal Article

On Advanced Control Methods toward Power Capture and Load Mitigation in Wind Turbines

Yuan Yuan,Jiong Tang

Journal Article

Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Journal Article

Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article

Experimental study of wind loads on gable roofs of low-rise buildings with overhangs

Peng HUANG, Ling TAO, Ming GU, Yong QUAN

Journal Article

Reactive power compensation of an isolated hybrid power system with load interaction using ANFIS tuned

Nitin SAXENA,Ashwani KUMAR

Journal Article

Load frequency control in deregulated power system with wind integrated system using fuzzy controller

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article

Study on longitudinal wind load calculation method of cables for cablestayed bridge

Pei Minshan,Zhang Xigang,Zhu Bin,Hou Bin,Liu Changpeng

Journal Article

Full-scale site evaluation of ventilation expressway embankments underlain by warm permafrost along the

Journal Article

Research on three kinds of wind power utilization mode

Kong Xiangwei and Gu Weidong

Journal Article

Antibiotic resistome mostly relates to bacterial taxonomy along a suburban transmission chain

Journal Article

Bioaerosolization behavior along sewage sludge biostabilization

Journal Article