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Construction management and technology innovation for main projects of Quanzhou Bay Bridge

Jun DU, Fangwen WENG

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 151-155 doi: 10.1007/s42524-020-0147-8

Abstract: Hongtao ZHOU, Hongwei WANG, Wei ZENG. [J]. Front. Eng, 2018, 5(1): 78-87.SangHyun LEE. [J]. Front. Eng, 2017, 4(1): 35-40.Bao-long Yuan,Sheng-gang Ren,Xing Hu,Xuan-yu Yang. [J]. Front. Eng, 2016, 3(1): 24-29.Ting Gong,Jian Yang,Hao Hu,Feng Xu. [J]. Front. Eng, 2015, 2(2): 122-124.Hong-yong Liu,Yi-qi Chen,Yi Yang. [J]. Front. Eng, 2015, 2(1): 71-75.Burcu Akinci. [J]. Front. Eng, 2014, 1(3): 283-289.Mao-run Feng,Zheng-song Zhao. [J]. Front. Eng, 2014, 1(1): 42-51.

Keywords： construction management     technology innovation     UHPC trestle panel    

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Precast steel–UHPC lightweight composite bridge for accelerated bridge construction

Shuwen DENG, Xudong SHAO, Xudong ZHAO, Yang WANG, Yan WANG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 364-377 doi: 10.1007/s11709-021-0702-3

Abstract: In this study, a fully precast steel–ultrahigh performance concrete (UHPC) lightweight composite bridgeA specimen consisting of two prefabricated steel–UHPC composite girder parts and one post-cast jointThe fatigue performance of the UHPC deck was assessed based on past research, and results revealed thatsimplified calculation method for the design moment, and a deflection calculation method for the steel–UHPCcomposite girder in consideration of the UHPC tensile stiffness effect were presented.

Keywords： accelerated bridge construction     ultrahigh-performance concrete     steel–UHPC composite bridge     UHPC girder-to-girder    

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Innovative steel-UHPC composite bridge girders for long-span bridges

Xudong SHAO, Lu DENG, Junhui CAO

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 981-989 doi: 10.1007/s11709-019-0531-9

Abstract: lightweight composite bridge girders are proposed, where UHPC denotes ultra-high performance concreteThe first two types consist of an OSD and a thin UHPC layer while the third type consists of a steelbeam and a UHPC waffle deck.Due to excellent mechanical behaviors and impressive durability of UHPC, the steel-UHPC composite girdersTo date, the proposed steel-UHPC composite girders have been applied to 14 real bridges in China.

Keywords： steel-UHPC composite bridge girder     long-span bridge     orthotropic steel deck     fatigue cracking     durability    

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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: The investigating parameters included the panel length, opening condition, and boundary condition.sufficient stiffness and capacity to achieve a partially composite PCSP; 3) the boundary condition of the panel

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

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Effectiveness of state incentives for promoting wind energy: A panel data examination

Deepak SANGROYA,Jogendra NAYAK

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 247-258 doi: 10.1007/s11708-015-0364-8

Abstract: Fixed effect panel data modelling technique of econometric analysis is used to analyse the data of 26

Keywords： India     wind energy development     state incentives     econometric analysis     panel data    

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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: consisting of a combination of braces and steel infill panels called the braced corrugated steel shear panelThe results obtained from the parametric study indicate that the corrugated steel shear panel (CSSP)increasing the number of corrugations, corrugation angle, and plate thickness and decreasing the sub-panel

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

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The development of straw-based panel

Zhou Dingguo

Strategic Study of CAE 2009, Volume 11, Issue 10,   Pages 115-121

Abstract:

Developing the straw-based panel industry in China would be benefit toauthor's group on agricultural residues characteristics and manufacture technologies of straw-based panel

Keywords： agricultural residues     straw-based panel     research prospect    

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The development of ultralightweight expanded perlite-based thermal insulation panel using alkali activator

Damla Nur ÇELİK; Gökhan DURMUŞ

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1486-1499 doi: 10.1007/s11709-022-0881-6

Abstract: 70% of the world’s perlite reserves, and in order to reduce energy consumption a thermal insulation panelIn conclusion, the study predicts that the EP-based thermal insulation panel can be used as an insulation

Keywords： expanded perlite     alkali activator     thermal insulation panel     thermal conductivity    

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Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 574-583 doi: 10.1007/s11684-021-0882-1

Abstract: The effect of air pollution on the lung function of adults with asthma remains unclear to date. This study followed 112 patients with asthma at 3-month intervals for 2 years. The pollutant exposure of the participants was estimated using the inverse distance weight method. The participants were divided into three groups according to their lung function level at every visit. A linear mixed-effect model was applied to predict the change in lung function with each unit change in pollution concentration. Exposure to carbon monoxide (CO) and particles less than 2.5 micrometers in diameter (PM2.5) was negatively associated with large airway function in participants. In the severe group, exposure to chronic sulfur dioxide (SO2) was negatively associated with post-bronchodilator forced expiratory flow at 50%, between 25% and 75% of vital capacity % predicted (change of 95% CI per unit: −0.34 (−0.55, −0.12), −0.24 (−0.44, −0.03), respectively). In the mild group, the effect of SO2 on the small airways was similar to that in the severe group, and it was negatively associated with large airway function. Exposure to CO and PM2.5 was negatively associated with the large airway function of adults with asthma. The negative effects of SO2 were more evident and widely observed in adults with severe and mild asthma than in adults with moderate asthma. Patients with asthma react differently to air pollutants as evidenced by their lung function levels.

Keywords： lung function     asthma     air pollution     adult    

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Spillover effect of environmental investment: evidence from panel data at provincial level in China

Qunhui LIN, Guanyi CHEN, Wencui DU, Haipeng NIU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 412-420 doi: 10.1007/s11783-012-0392-0

Abstract: We collected China’s panel data at the provincial level from 2005 to 2009, and tested the spillover effect

Keywords： environmental investment     spillover effect     endogenous growth    

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A comprehensive simulator for assessing the reliability of a photovoltaic panel peak power tracking system

Nabil KAHOUL,Mourad HOUABES,Ammar NEÇAIBIA

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 170-179 doi: 10.1007/s11708-015-0353-y

Abstract: This simulator must have the same role as the MPPT card of the PV panel and thus will fully emulate theresponse of a real MPPT card of the PV panel.

Keywords： photovoltaic module     DC-DC converter     design     maximum power point tracking (MPPT) card     microprocessor    

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Numerical and Experimental Study on Ventilation Panel Models in a Subway Passenger Compartment Article

Yu Tao, Mingzhi Yang, Bosen Qian, Fan Wu, Tiantian Wang

Engineering 2019, Volume 5, Issue 2,   Pages 329-336 doi: 10.1016/j.eng.2018.12.007

Abstract:

The internal flow field study of car compartments is an important step in railroad vehicle design and optimization. The flow field profile has a significant impact on the temperature distribution and passenger comfort level. Experimental studies on flow field can yield accurate results but carry a high time and computational cost. In contrast, the numerical simulation method can yield an internal flow field profile in less time than an experimental study. This study aims to improve the computational efficiency of numerical simulation by adapting two simplified models—the porous media model and the porous jump face model—to study the internal flow field of a railroad car compartment. The results provided by both simplified models are compared with the original numerical simulation model and with experimental data. Based on the results, the porous media model has a better agreement with the original model and with the experimental results. The flow field parameters (temperature and velocity) of the porous media model have relatively small numerical errors, with a maximum numerical error of 4.7%. The difference between the numerical results of the original model and those of the porous media model is less than 1%. By replacing the original numerical simulation model with the porous media model, the flow field of subway car compartments can be calculated with a reduction of about 25% in computing resources, while maintaining good accuracy.

Keywords： Numerical simulation     Experiment     Ventilation panel model     Subway    

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Field validation of UHPC layer in negative moment region of steel-concrete composite continuous girder

Minghong QIU; Xudong SHAO; Weiye HU; Yanping ZHU; Husam H. HUSSEIN; Yaobei HE; Qiongwei LIU

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 744-761 doi: 10.1007/s11709-022-0843-z

Abstract: bending moment region in a steel-concrete CCB bridge with the aid of ultrahigh performance concrete (UHPCIn order to investigate the feasibility and effectiveness of this new UHPC jointed structure in the negativeThis field test and the finite element model results demonstrated that the new configuration with the UHPC

Keywords： field test     steel-concrete composite beam     continuous girder bridge     negative bending moment region     ultrahigh performance concrete    

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

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

Abstract: longitudinal shear performances of two types of precast lightweight steel–ultra-high performance concrete (UHPC) composite beams are investigated, where a cluster UHPC slab (CUS) and a normal UHPC slab (NUS) arereinforcement is used to withstand the splitting force caused by studs in the shear pocket and prevent the UHPCcalculation results, the transverse reinforcement can be canceled when the compressive strength of UHPC

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

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Direct energy rebound effect for road transportation in China

Frontiers of Engineering Management   Pages 597-611 doi: 10.1007/s42524-023-0276-y

Abstract: the long-term EREs and short-term EREs specific to China’s road transportation, this study employed panelcointegration and panel error correction models, accounting for asymmetric price effects.

Keywords： road transportation     direct energy rebound effect     asymmetric price effects     panel data model    

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Title Author Date Type Operation

Construction management and technology innovation for main projects of Quanzhou Bay Bridge

Jun DU, Fangwen WENG

Journal Article

Precast steel–UHPC lightweight composite bridge for accelerated bridge construction

Shuwen DENG, Xudong SHAO, Xudong ZHAO, Yang WANG, Yan WANG

Journal Article

Innovative steel-UHPC composite bridge girders for long-span bridges

Xudong SHAO, Lu DENG, Junhui CAO

Journal Article

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

Journal Article

Effectiveness of state incentives for promoting wind energy: A panel data examination

Deepak SANGROYA,Jogendra NAYAK

Journal Article

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

Journal Article

The development of straw-based panel

Zhou Dingguo

Journal Article

The development of ultralightweight expanded perlite-based thermal insulation panel using alkali activator

Damla Nur ÇELİK; Gökhan DURMUŞ

Journal Article

Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Journal Article

Spillover effect of environmental investment: evidence from panel data at provincial level in China

Qunhui LIN, Guanyi CHEN, Wencui DU, Haipeng NIU

Journal Article

A comprehensive simulator for assessing the reliability of a photovoltaic panel peak power tracking system

Nabil KAHOUL,Mourad HOUABES,Ammar NEÇAIBIA

Journal Article

Numerical and Experimental Study on Ventilation Panel Models in a Subway Passenger Compartment

Yu Tao, Mingzhi Yang, Bosen Qian, Fan Wu, Tiantian Wang

Journal Article

Field validation of UHPC layer in negative moment region of steel-concrete composite continuous girder

Minghong QIU; Xudong SHAO; Weiye HU; Yanping ZHU; Husam H. HUSSEIN; Yaobei HE; Qiongwei LIU

Journal Article

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

Journal Article

Direct energy rebound effect for road transportation in China

Journal Article