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Civil and structural engineering applications, recent trends, research and developments on pultruded

Alfred Kofi GAND, Tak-Ming CHAN, James Toby MOTTRAM

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 227-244 doi: 10.1007/s11709-013-0216-8

Abstract: The objectives of this study are to review and evaluate the developments and applications of pultrudedThe paper presents a state-of-the-art review of fundamental research on the behavior of pultruded fiber

Keywords： fibre reinforced polymer composites     behaviour of FRPs tubular sections     pultruded FRP tubular profiles     FRP tubes in bridges     applications of pultruded FRP tubes     new-build with FRP tubes    

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Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 25-31 doi: 10.1007/s11709-009-0012-7

Abstract: Tests were conducted on 3 specimens to study the flexural behavior of fiber reinforced polymer (FRP)-concrete-steel double-skin tubular members (DSTMs).The test results show that the tension zone of the specimen FRP tubes was in hoop compression while the

Keywords： fiber reinforced polymer (FRP)     concrete     steel     double-skin tubular members (DSTMs)     moment-curvature curve    

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Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 296-303 doi: 10.1007/s11709-013-0217-7

Abstract: This paper investigates the performance of T-stub connected semi-rigid joint of rectangular tubular columns

Keywords： rectangular tubular columns     T-stub     semi-rigid     nonlinear finite element analysis     moment-rotation curves    

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Experimental flexural behavior of SMA-FRP reinforced concrete beam

Adeel ZAFAR, Bassem ANDRAWES

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 341-355 doi: 10.1007/s11709-013-0221-y

Abstract: The proposed SMA-FRP composite square rebars are first fabricated and then embedded in small scale concreteIt is found that the SMA-FRP composite reinforcement is able to enhance the performance of concrete member

Keywords： re-centering     shape memory alloys     concrete     composite     fiber reinforced polymer     scanning electron microscopy    

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Controlling interstory drift ratio profiles via topology optimization strategies

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 165-178 doi: 10.1007/s11709-022-0892-3

Abstract: An approach to control the profiles of interstory drift ratios along the height of building structuresThe proposed methodology can shape the interstory drift ratio profiles into inverted triangular or quadratic

Keywords： interstory drift ratio     aggregation function     bound formulation     min–max problem     topology optimization    

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Progress in Studies on Flexural Behaviors of Concrete Beams Prestressed with FRP Tendons

Deng Zongcai,Wang Zuohu,Du Xiuli,Liu Jingyuan

Strategic Study of CAE 2006, Volume 8, Issue 8,   Pages 86-91

Abstract:

Studies on concrete structures prestressed with FRP tendons have been emphasized in engineering structurebehaviors of internal bonded, internally unbonded and externally unbonded prestressed concrete beams with FRP

Keywords： FRP tendons     prestressed concrete beams     flexural behaviors    

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Investigation on modeling parameters of concrete beams reinforced with basalt FRP bars

Jordan CARTER, Aikaterini S. GENIKOMSOU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1520-1530 doi: 10.1007/s11709-019-0580-0

Abstract: Fiber-reinforced polymer (FRP) bars are widely used as internal reinforcement replacing the conventionalAmong the different types of FRP bars, basalt FRP (BFRP) bars have been used in different structural

Keywords： basalt Fiber-reinforced polymer bars     reinforced concrete beams     finite element analysis     damaged plasticity model     design codes    

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Numerical simulation of squat reinforced concrete wall strengthened by FRP composite material

Ali KEZMANE,Said BOUKAIS,Mohand Hamizi

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 445-455 doi: 10.1007/s11709-016-0339-9

Abstract: research works and practical achievements of the application of the external reinforcement by using FRPof this paper is to present a numerical simulation of squat reinforced concrete wall strengthened by FRPdamage model material is used for concrete, for steel, an elastic-plastic behavior is adopted, and the FRP

Keywords： simulation     strengthening     reinforced concrete wall     squat wall     FRP composite material     damage     Abaqus    

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Innovative hybrid reinforcement constituting conventional longitudinal steel and FRP stirrups for improved

Mostafa FAKHARIFAR,Ahmad DALVAND,Mohammad K. SHARBATDAR,Genda CHEN,Lesley SNEED

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 44-62 doi: 10.1007/s11709-015-0295-9

Abstract: The use of fiber reinforced polymer (FRP) reinforcement is becoming increasingly attractive in constructionHowever, the inherent linear elastic behavior of FRP materials up to rupture is considered as a majorBesides, cost considerations, including FRP material and construction of pre-fabricated FRP configurationsstirrups comprised of FRP sheets.The hybrid reinforcement consists of conventional longitudinal steel reinforcement and FRP stirrups.

Keywords： FRP     ductility     confinement     seismic     shear    

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Establishing Profiles for Systems Engineering Standards: A Great Help for Companies to Manage Their Processes

Rui Xue,Claude Baron,Philippe Esteban,Qiang Zhang

Frontiers of Engineering Management 2014, Volume 1, Issue 3,   Pages 297-303 doi: 10.15302/J-FEM-2014036

Abstract: In this paper, we discuss how to establish profiles of system engineering standards for companies.

Keywords： system engineering     analysis     comparison     systems engineering management     process     multi-standards approach    

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A numerical study of prestressed high strength steel tubular members

Michaela GKANTOU, Marios THEOFANOUS, Charalampos BANIOTOPOULOS

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 10-22 doi: 10.1007/s11709-019-0547-1

Abstract: The structural behavior of prestressed high strength steel (HSS) tubular members is investigated throughNumerical models are developed and validated against published experimental data on HSS tubular membersDesign guidance for tensile and compressive prestressed tubular members is also provided.

Keywords： finite element     prestressing     tubular members     grout     high strength steel    

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Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 687-699 doi: 10.1007/s11708-021-0773-9

Abstract: based on the mixture flow model, an optimized six-flux model is first established and applied to the tubular

Keywords： photocatalytic hydrogen photoreactor     nume- rical simulation     solar energy     flow model     radiation model    

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Preventive effect of Shenkang injection against high glucose-induced senescence of renal tubular cells

Biqiong Fu, Jie Yang, Jia Chen, Lirong Lin, Kehong Chen, Weiwei Zhang, Jianguo Zhang, Yani He

Frontiers of Medicine 2019, Volume 13, Issue 2,   Pages 267-276 doi: 10.1007/s11684-017-0586-8

Abstract: This study aimed to investigate the protective effect of SKI against high glucose (HG)-induced renal tubularanti-senescence molecules klotho, sirt1, and peroxisome proliferator-activated receptor- in renal tubularSKI may be a novel strategy for protecting against HG-induced renal tubular cell senescence in treatment

Keywords： Shenkang injection     senescence     renal tubular epithelial cells     diabetic nephropathy    

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Performance of insulated FRP-strengthened concrete flexural members under fire conditions

Pratik P. BHATT, Venkatesh K. R. KODUR, Anuj M. SHAKYA, Tarek ALKHRDAJI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 177-193 doi: 10.1007/s11709-021-0714-z

Abstract: This paper presents the results of fire resistance tests on carbon fiber-reinforced polymer (CFRP) strengthened concrete flexural members, i.e., T-beams and slabs. The strengthened members were protected with fire insulation and tested under the combined effects of thermal and structural loading. The variables considered in the tests include the applied load level, extent of strengthening, and thickness of the fire insulation applied to the beams and slabs. Furthermore, a previously developed numerical model was validated against the data generated from the fire tests; subsequently, it was utilized to undertake a case study. Results from fire tests and numerical studies indicate that owing to the protection provided by the fire insulation, the insulated CFRP-strengthened beams and slabs can withstand four and three hours of standard fire exposure, respectively, under service load conditions. The insulation layer impedes the temperature rise in the member; therefore, the CFRP–concrete composite action remains active for a longer duration and the steel reinforcement temperature remains below 400°C, which in turn enhances the capacity of the beams and slabs.

Keywords： concrete beams     concrete slabs     carbon fiber-reinforced polymers     fire resistance     FRP strengthening     repair    

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Mass concentrations and temporal profiles of PM

Liu YANG,Ye WU,Jiaqi LI,Shaojie SONG,Xuan ZHENG,Jiming HAO

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 675-684 doi: 10.1007/s11783-014-0731-4

Abstract: Mass concentrations of PM , PM and PM were measured near major roads in Beijing during six periods: summer and winter of 2001, winter of 2007, and periods before, during and after the 2008 Beijing Olympic Games. Since the control efforts for motor vehicles helped offset the increase of emissions from the rapid growth of vehicles, the averaged PM concentrations at roadsides during the sampling period between 2001 and 2008 fluctuated over a relatively small range. With the implementation of temporary traffic control measures during the Olympics, a clear “V” shaped curve showing the concentrations of particulate matter and other gaseous air pollutants at roadsides over time was identified. The average concentrations of PM , PM , CO and NO decreased by 31.2%, 46.3%, 32.3% and 35.4%, respectively, from June to August; this was followed by a rebound of all air pollutants in December 2008. Daily PM concentrations near major roads exceeded the National Ambient Air Quality Standard (Grade II) for 61.2% of the days in the non-Olympic periods, while only for 12.5% during the Olympics. The mean ratio of PM /PM near major roads remained relatively stable at 0.55 (±0.108) on non-Olympic days. The ratio decreased to 0.48 (±0.099) during the Olympics due to a greater decline in fine particles than in coarse-mode PM. The ratios PM /PM fluctuated over a wide range and were statistically different from each other during the sampling periods. The average ratios of PM /PM on non-Olympic days were 0.71.

Keywords： particulate matter     traffic     control measure     Beijing Olympic Games    

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Title Author Date Type Operation

Civil and structural engineering applications, recent trends, research and developments on pultruded

Alfred Kofi GAND, Tak-Ming CHAN, James Toby MOTTRAM

Journal Article

Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Journal Article

Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Journal Article

Experimental flexural behavior of SMA-FRP reinforced concrete beam

Adeel ZAFAR, Bassem ANDRAWES

Journal Article

Controlling interstory drift ratio profiles via topology optimization strategies

Journal Article

Progress in Studies on Flexural Behaviors of Concrete Beams Prestressed with FRP Tendons

Deng Zongcai,Wang Zuohu,Du Xiuli,Liu Jingyuan

Journal Article

Investigation on modeling parameters of concrete beams reinforced with basalt FRP bars

Jordan CARTER, Aikaterini S. GENIKOMSOU

Journal Article

Numerical simulation of squat reinforced concrete wall strengthened by FRP composite material

Ali KEZMANE,Said BOUKAIS,Mohand Hamizi

Journal Article

Innovative hybrid reinforcement constituting conventional longitudinal steel and FRP stirrups for improved

Mostafa FAKHARIFAR,Ahmad DALVAND,Mohammad K. SHARBATDAR,Genda CHEN,Lesley SNEED

Journal Article

Establishing Profiles for Systems Engineering Standards: A Great Help for Companies to Manage Their Processes

Rui Xue,Claude Baron,Philippe Esteban,Qiang Zhang

Journal Article

A numerical study of prestressed high strength steel tubular members

Michaela GKANTOU, Marios THEOFANOUS, Charalampos BANIOTOPOULOS

Journal Article

Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Journal Article

Preventive effect of Shenkang injection against high glucose-induced senescence of renal tubular cells

Biqiong Fu, Jie Yang, Jia Chen, Lirong Lin, Kehong Chen, Weiwei Zhang, Jianguo Zhang, Yani He

Journal Article

Performance of insulated FRP-strengthened concrete flexural members under fire conditions

Pratik P. BHATT, Venkatesh K. R. KODUR, Anuj M. SHAKYA, Tarek ALKHRDAJI

Journal Article

Mass concentrations and temporal profiles of PM

Liu YANG,Ye WU,Jiaqi LI,Shaojie SONG,Xuan ZHENG,Jiming HAO

Journal Article