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Yingqi Dai
Department of Civil Engineering, Monash University, Clayton, VIC 3800, Australia

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Journal article
Published: 02 June 2021 in Construction and Building Materials
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Multicellular web-flange composite structures were assembled using glass fibre reinforced polymer (GFRP) square tubes as web sections and plates as face sheets, further with glass magnesium (GM) or gypsum plaster (GP) panels on the surface for fire protection. The structures were subjected to ISO 834 fire curve from underside where the GM or GP panels were installed and a constant load on top to introduce bending during fire exposure. Experimental results showed that the fire endurance times of the structures before failure were extended from 54 min without protective panels to 83 min or 103 min by a single layer of GP or GM panel. When double layers were used, the fire endurance time increased to 113 min for GP panels and 158 min for GM panels. Numerical modelling was further established to predict the temperature distribution in the specimens. Effects of the GM and GP layers on the thermal and mechanical performances of loaded specimens in fire could be clarified. The fire performance of GFRP multicellular web-flange composite structures enhanced by fire resistance panels could be well demonstrated experimentally and numerically.

ACS Style

Lei Zhang; Yiqing Dai; Yu Bai; Wei Chen; Jihong Ye. Fire performance of loaded fibre reinforced polymer multicellular composite structures with fire-resistant panels. Construction and Building Materials 2021, 296, 123733 .

AMA Style

Lei Zhang, Yiqing Dai, Yu Bai, Wei Chen, Jihong Ye. Fire performance of loaded fibre reinforced polymer multicellular composite structures with fire-resistant panels. Construction and Building Materials. 2021; 296 ():123733.

Chicago/Turabian Style

Lei Zhang; Yiqing Dai; Yu Bai; Wei Chen; Jihong Ye. 2021. "Fire performance of loaded fibre reinforced polymer multicellular composite structures with fire-resistant panels." Construction and Building Materials 296, no. : 123733.

Journal article
Published: 04 January 2021 in Journal of Cleaner Production
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Building-integrated photovoltaics (BIPV) are multifunctional building components using exterior surfaces not subjected to structural loads to generate electricity by solar cells; while a few types of PV cells with higher flexibility have shown potentials to extend the application of BIPV components to load-carrying scenarios. In this paper thin-film flexible amorphous silicon (a-Si) PV cells and organic PV cells are adhesively bonded to glass fibre reinforced polymer (GFRP) sections to develop BIPV integrations. Such integrations and GFRP sections are then exposed to artificial sunlight with various intensities from 200 to 1000 W/m2. An approximate linear increase in the surface temperature with the sunlight intensity is observed and quantified, and such thermal responses are also explained by thermomechanical analysis. Open-circuit voltage (VOC) of the integrated a-Si PV cell decreases almost linearly at 0.40% for an increase of 1 °C until the maximum temperature (91.5 °C) in the experiments; while VOC of the integrated organic PV cells decreases at 0.12% for an increase of 1 °C first until a significant degradation occurred at 78 °C. Such GFRP sections with PV cells are further examined under tensile or compressive loadings. The tensile results show that both types of PV cells can normally function up to GFRP breakage at about 1% strain. However, in compression, obvious decreases in VOC are witnessed when a compressive strain of 0.23% on average is reached for the integrated a-Si PV cells. Such a critical compressive strain for the integrated organic PV cells is 0.25% on average.

ACS Style

Yiqing Dai; Yu Bai; Zhenqi Cai. Thermal and mechanical evaluation on integration of GFRP and thin-film flexible PV cells for building applications. Journal of Cleaner Production 2021, 289, 125809 .

AMA Style

Yiqing Dai, Yu Bai, Zhenqi Cai. Thermal and mechanical evaluation on integration of GFRP and thin-film flexible PV cells for building applications. Journal of Cleaner Production. 2021; 289 ():125809.

Chicago/Turabian Style

Yiqing Dai; Yu Bai; Zhenqi Cai. 2021. "Thermal and mechanical evaluation on integration of GFRP and thin-film flexible PV cells for building applications." Journal of Cleaner Production 289, no. : 125809.

Review
Published: 31 December 2020 in Energies
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Building integrated photovoltaic (BIPV) technologies are promising and practical for sustainable energy harvesting in buildings. BIPV products are commercially available, but their electrical power outputs in practice are negatively affected by several factors in outdoor environments. Performance improvement of BIPV applications requires mitigation approaches based on an understanding of these factors. A review was, therefore, conducted on this issue in order to providing guidance for practical applications in terms of the selection of proper PV technologies, temperature management, solar irradiation enhancement and avoidance of excessive mechanical strain. First, major types of PV cells used in BIPV applications were comparatively studied in terms of their electrical performances in laboratorial and outdoor environments. Second, temperature elevations were widely reported in outdoor BIPV applications, which may cause efficiency degradation, and the mitigation approaches may include air-flow ventilation, water circulation and utilization of phase change materials. The heat collected from the PV cells may also be further utilized. Third, mechanical strains may be transferred to the integrated PV cells in BIPV applications, and their effects on electrical performance PV cells were also discussed. In addition, the power output of BIPV systems increases with the solar irradiation received by the PV cells, which may be improved in terms of the location, azimuth and tilt of the cells and the transmittance of surface glazing. Suggestions for practical applications and further research opportunities were, therefore, provided.

ACS Style

Yiqing Dai; Yu Bai. Performance Improvement for Building Integrated Photovoltaics in Practice: A Review. Energies 2020, 14, 178 .

AMA Style

Yiqing Dai, Yu Bai. Performance Improvement for Building Integrated Photovoltaics in Practice: A Review. Energies. 2020; 14 (1):178.

Chicago/Turabian Style

Yiqing Dai; Yu Bai. 2020. "Performance Improvement for Building Integrated Photovoltaics in Practice: A Review." Energies 14, no. 1: 178.

Journal article
Published: 08 October 2020 in Sustainability
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Roadside bioretention and permeable pavements have proven effectiveness in rainwater filtration and waterlogging mitigation, but conventional street design approach could not accommodate their work in conjunction. In this research, possible roadside facilities allowing water transmission from permeable pavements and bioretention to the pipe system are proposed. Hydraulic properties of the comprised elements were analyzed, including rainfall intensity, permeable pavements, soil layers and pipe systems. A transformation method was formulated to obtain a successive time-intensity formula from conventional design parameters to describe the rainfall behavior, and therefore the water retention capacity of the bioretention could be considered. A test section of 1.6 km combining permeable pavements and roadside bioretention was constructed, and its hydraulic performance was predicted based on the proposed design method and Storm Water Management Model (SWMM). The research results suggest that the bioretention facilities and permeable pavements cooperate well in the test section. In a light rain event, the proposed street has favorable performance in rainwater collection and filtration. In a relatively intense rainstorm event, the street collects and filters water in the initial stage, but will have similar hydraulic performance to a conventional street once the retention facilities are saturated. Thus, no reduction in diameters of drainage pipes from conventional designs is suggested in similar projects.

ACS Style

Yiqing Dai; Jiwang Jiang; Xingyu Gu; Yanjing Zhao; Fujian Ni. Sustainable Urban Street Comprising Permeable Pavement and Bioretention Facilities: A Practice. Sustainability 2020, 12, 8288 .

AMA Style

Yiqing Dai, Jiwang Jiang, Xingyu Gu, Yanjing Zhao, Fujian Ni. Sustainable Urban Street Comprising Permeable Pavement and Bioretention Facilities: A Practice. Sustainability. 2020; 12 (19):8288.

Chicago/Turabian Style

Yiqing Dai; Jiwang Jiang; Xingyu Gu; Yanjing Zhao; Fujian Ni. 2020. "Sustainable Urban Street Comprising Permeable Pavement and Bioretention Facilities: A Practice." Sustainability 12, no. 19: 8288.

Journal article
Published: 22 September 2020 in Materials
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Wind barrier structures on railway bridges are installed to mitigate the wind effects on travelling trains; however, they cause additional wind loads and associated aerodynamic effects on the bridge. An innovative concept was developed for a wind barrier structure in this study that used a glass–fibre–reinforced polymer (GFRP) that may deform properly when subjected to a crosswind. Such deformation then allows for wind to pass, therefore reducing the wind loads transferred to the bridge. Wind tunnel experiments were conducted on a 1/40-scale train and bridge models with the proposed GFRP barrier subjected to airflow at different speeds up to 20 m/s. The side-force and overturning-moment coefficients of both the train and the bridge were evaluated to characterise the aerodynamic effects. The results show that favourable side-force and overturning-moment coefficients of the train were provided by wind barriers taller than 10 cm. The aerodynamic coefficients of the train were not significantly affected by the airflow speeds; meanwhile, the overturning-moment coefficient of the bridge decreased with the increase in airflow speed due to smaller wind resistance of the barrier after deformation. A numerical analysis was conducted on both the reduced- and full-scale models of the train–barrier–bridge system and the results supported the findings obtained from the wind tunnel experiments.

ACS Style

Yiqing Dai; Xuewei Dai; Yu Bai; Xuhui He. Aerodynamic Performance of an Adaptive GFRP Wind Barrier Structure for Railway Bridges. Materials 2020, 13, 4214 .

AMA Style

Yiqing Dai, Xuewei Dai, Yu Bai, Xuhui He. Aerodynamic Performance of an Adaptive GFRP Wind Barrier Structure for Railway Bridges. Materials. 2020; 13 (18):4214.

Chicago/Turabian Style

Yiqing Dai; Xuewei Dai; Yu Bai; Xuhui He. 2020. "Aerodynamic Performance of an Adaptive GFRP Wind Barrier Structure for Railway Bridges." Materials 13, no. 18: 4214.

Journal article
Published: 28 June 2020 in Construction and Building Materials
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As a composition of asphalt binder and mineral fillers, asphalt mastic plays a significant role in the fatigue resistance of asphalt mixtures. At the mastic scale, the existence of fillers may rearrange the distribution of asphalt binder and then influence the fatigue characteristics of the binder/filler composite. The effect of content and size distribution of fillers on the binder film distribution in the asphalt mastic were evaluated by a series of image acquisition and processing methods, including scan electronic microscope (SEM), laser diffusion analyzer (LDA), randomly generation algorithm and morphology analysis. A normal distribution model could be used to fit the thickness distribution curve of the binder film within the asphalt mastic perfectly. The expected value (Ebinder) and peak value (Pbinder) were proposed to quantify the average level and uniformity of the binder film thickness, respectively. The rheological and fatigue properties of the asphalt mastic were evaluated by the time–temperature sweep (TTS) test and a modified linear amplitude sweep (LAS) test. Based on the correlation results, it could be found that asphalt mastic with higher filler contents and finer filler size distribution present a thinner and more uniform binder film distribution, which may increase the fatigue life at small strain level of 0.1% and the strain sensitivity under cyclic loading. The morphology analysis provides new insight to quantify the relationship between the microstructure characteristics and fatigue performance of asphalt mastic.

ACS Style

Jiwang Jiang; Yanjing Zhao; Guoyang Lu; Yingqi Dai; Fujian Ni; Qiao Dong. Effect of binder film distribution on the fatigue characteristics of asphalt Binder/Filler composite based on image analysis method. Construction and Building Materials 2020, 260, 119876 .

AMA Style

Jiwang Jiang, Yanjing Zhao, Guoyang Lu, Yingqi Dai, Fujian Ni, Qiao Dong. Effect of binder film distribution on the fatigue characteristics of asphalt Binder/Filler composite based on image analysis method. Construction and Building Materials. 2020; 260 ():119876.

Chicago/Turabian Style

Jiwang Jiang; Yanjing Zhao; Guoyang Lu; Yingqi Dai; Fujian Ni; Qiao Dong. 2020. "Effect of binder film distribution on the fatigue characteristics of asphalt Binder/Filler composite based on image analysis method." Construction and Building Materials 260, no. : 119876.

Journal article
Published: 02 March 2020 in Applied Sciences
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Porous asphalt concrete (PAC) can obviously improve vehicle driving safety on rainy days and reduce environmental noise. It has been widely used in China. The existence of a large number of interconnected voids in PAC makes a significant difference in heat transfer and temperature distribution from conventional dense-graded asphalt concretes (AC). In this paper, the internal structure images of three dense-graded asphalt mixtures and one PAC were obtained by X-ray CT scanning technology, and the internal meso-structure finite element simulation models of asphalt mixtures were established by using the mapped meshing method. The temperature variations of asphalt mixture specimens during laboratory cooling and heating processes were simulated in this study, and laboratory tests were carried out to verify the simulation accuracy. Due to the simulation results, it was found that the thermal characteristics of the PAC mixture were different from those of the dense-graded asphalt mixture due to the large interconnected air void content in the PAC mixture. The temperature field in the PAC mixture was more sensitive to ambient air temperature under laboratory conditions. Moreover, in PAC specimens, temperature distributed more unevenly than in dense-grade asphalt mixtures. Therefore, it is necessary to consider the internal meso-structure of porous asphalt mixtures while simulating the temperature field in PAC specimens or pavement structures.

ACS Style

Yanjing Zhao; Jiwang Jiang; Yiqing Dai; Lan Zhou; Fujian Ni. Thermal Property Evaluation of Porous Asphalt Concrete Based on Heterogeneous Meso-Structure Finite Element Simulation. Applied Sciences 2020, 10, 1671 .

AMA Style

Yanjing Zhao, Jiwang Jiang, Yiqing Dai, Lan Zhou, Fujian Ni. Thermal Property Evaluation of Porous Asphalt Concrete Based on Heterogeneous Meso-Structure Finite Element Simulation. Applied Sciences. 2020; 10 (5):1671.

Chicago/Turabian Style

Yanjing Zhao; Jiwang Jiang; Yiqing Dai; Lan Zhou; Fujian Ni. 2020. "Thermal Property Evaluation of Porous Asphalt Concrete Based on Heterogeneous Meso-Structure Finite Element Simulation." Applied Sciences 10, no. 5: 1671.

Journal article
Published: 03 January 2020 in Engineering Structures
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Due to their superior corrosion resistance and strength-to-weight ratio, GFRP (glass fiber reinforced polymer) rebar are widely used as reinforcement for concrete structures, but the brittleness of GFRP and their inferior bonding performance with concrete needs to be addressed. Hybrid reinforcement is a strategy to address the brittleness of GFRP rebar, but the inferior bonding performance may cause inaccuracy in the performance prediction. To determine the effects of bonding performance on the flexural behavior of GFRP- and hybrid-reinforced concrete beams and compare their flexural behaviors, both types of beams were prepared and subjected to four-point bending tests in this research. Their flexural capacities from the experimental results were then compared with the theoretical results. Additionally, the bond-slip relation between the GFRP rebars and concrete was obtained by means of pull-out tests, and an FE model based of the bond-slip results was developed to simulate the flexural behavior of the beams. From the experimental results, the hybrid reinforcement was shown to be able to control the beginning of cracking and reduce the maximum crack width by over 50% in concrete compared that of to GFRP reinforcement at the same load level. The flexural behavior of the hybrid-reinforced beam can be accurately predicted by the theoretical and FE methods. For the GFRP-reinforced beams, the theoretical method overestimates the flexural capacity by 9%; according to the results from the FE simulation, inclusion of the nonlinear bond-slip constitutive relation between the GFRP rebar and concrete helps to mitigate the underestimation of the mid-span deflection from 14.4% to 2.1%.

ACS Style

Gu Xingyu; Dai Yiqing; Jiang Jiwang. Flexural behavior investigation of steel-GFRP hybrid-reinforced concrete beams based on experimental and numerical methods. Engineering Structures 2020, 206, 110117 .

AMA Style

Gu Xingyu, Dai Yiqing, Jiang Jiwang. Flexural behavior investigation of steel-GFRP hybrid-reinforced concrete beams based on experimental and numerical methods. Engineering Structures. 2020; 206 ():110117.

Chicago/Turabian Style

Gu Xingyu; Dai Yiqing; Jiang Jiwang. 2020. "Flexural behavior investigation of steel-GFRP hybrid-reinforced concrete beams based on experimental and numerical methods." Engineering Structures 206, no. : 110117.

Journal article
Published: 06 September 2019 in Composites Part B: Engineering
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Structural loads, especially in-plane compression, may cause local buckling and debonding of the photovoltaic (PV) cells that are mechanically integrated with structural members and this may lead to degradation in their electrical performance. This paper proposes an approach to mitigate the strains transferred from structural members to PV cells through the partial composite action provided by low-modulus adhesives. Specimens were fabricated by bonding amorphous silicon (a-Si) PV cells to glass fibre reinforced polymer (GFRP) structural components by an adhesive layer of 0.5- or 2.0-mm thickness. Two types of adhesives were used including a two-part rigid epoxy adhesive and a low-modulus silicone adhesive. These integrations were then submitted to in-plane compressive loadings. PV cells bonded by the silicone adhesive showed no damages during loading. While for PV cells bonded by epoxy adhesives, obvious electrical performance degradations were observed, when the strain reached 0.62% or 0.23% for specimens bonded by epoxy with a layer thickness of 0.5 mm or 2.0 mm respectively. Debonding and local-buckling of the PV cells were also witnessed. Theoretical analysis was conducted to understand the strain mitigation of the adhesive as a result of the induced partial composite action. Results demonstrate that such strain differences between the GFRP and the bonded PV cell are dominated by the shear modulus and thickness of the adhesive layer as well as elastic modulus, thickness and length of the PV cell. The theoretical analysis was validated by finite element (FE) modelling and design suggestions are provided accordingly.

ACS Style

Yiqing Dai; Yu Bai; Thomas Keller. Stress mitigation for adhesively bonded photovoltaics with fibre reinforced polymer composites in load carrying applications. Composites Part B: Engineering 2019, 177, 107420 .

AMA Style

Yiqing Dai, Yu Bai, Thomas Keller. Stress mitigation for adhesively bonded photovoltaics with fibre reinforced polymer composites in load carrying applications. Composites Part B: Engineering. 2019; 177 ():107420.

Chicago/Turabian Style

Yiqing Dai; Yu Bai; Thomas Keller. 2019. "Stress mitigation for adhesively bonded photovoltaics with fibre reinforced polymer composites in load carrying applications." Composites Part B: Engineering 177, no. : 107420.

Journal article
Published: 08 March 2019 in Solar Energy
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Building integration using thin-film flexible photovoltaic (PV) cells with load-carrying structures requires understanding of their electrical performance under continuous mechanical loadings. Limited results mainly focus on the electrical performance of PV cells under certain fixed mechanical strains. In this paper, an approach is examined to continuously apply tensile strains on PV cell specimens; therefore the short circuit current (ISC) and open circuit voltage (VOC) are constantly monitored. Two types of PV cells are studied under the proposed approach including amorphous silicon (a-Si) and organic PV cells and the results demonstrate its practicability to determine the critical tensile strains reliably for both PV types. It is found that VOC is more sensitive than ISC to the applied tensile strain for both types of PV cells and substantial degradation in VOC for a-Si cells initiates at the tensile strain of 1.51%. For organic cells, significant reduction in VOC is observed at the critical tensile strain of 1.46% in association with yielding of the substrate. While noticeable degradation can be only observed in ISC from 1.67% strain for a-Si PV cells and from 3.09% strain for organic ones. In addition, linear declines with temperature in VOC of both PV types are quantified for temperatures over 30 °C.

ACS Style

Yiqing Dai; Yuan Huang; Xuhui He; David Hui; Yu Bai. Continuous performance assessment of thin-film flexible photovoltaic cells under mechanical loading for building integration. Solar Energy 2019, 183, 96 -104.

AMA Style

Yiqing Dai, Yuan Huang, Xuhui He, David Hui, Yu Bai. Continuous performance assessment of thin-film flexible photovoltaic cells under mechanical loading for building integration. Solar Energy. 2019; 183 ():96-104.

Chicago/Turabian Style

Yiqing Dai; Yuan Huang; Xuhui He; David Hui; Yu Bai. 2019. "Continuous performance assessment of thin-film flexible photovoltaic cells under mechanical loading for building integration." Solar Energy 183, no. : 96-104.

Conference paper
Published: 06 February 2018 in Transportation Research Congress 2016
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Basalt fiber reinforced polymer (BFRP) has become a promising alternative to the steel counterpart for its high strength, durability, insulation, non-magnetism, and resistance to corrosion, especially in specific circumstances such as ports, mining areas, and high speed railway structures. Continuously reinforced concrete pavement (CRCP) with BFRPs has been used in such circumstances for its outstanding properties. To point out the specific mechanical characteristics, a finite element model based on property tests is established by ABAQUS. Influences of crack width, BFRP modulus, reinforcement ratio as well as void under the pavement are analyzed. Results have been elicited that crack width and distance between cracks increased when using BFRP bars instead of steel bars; crack width and void beneath pavement show conspicuous influence on both mechanical state and load transfer efficiency; concrete lose the ability to transfer load when crack width surplus 1.1 mm; BFRP modulus and reinforcement ratio show little effect on neither mechanical property nor load transfer efficiency in constant state, but calculation shows their efficiency in controlling crack width. The paper provides practical guidelines for the design of CRCP reinforced by BFRP.

ACS Style

Yiqing Dai; Zhenyi Wang; Junxiu Lv; Xingyu Gu. Numeric Analysis of Basalt Fiber Reinforced Concrete Pavement. Transportation Research Congress 2016 2018, 1 .

AMA Style

Yiqing Dai, Zhenyi Wang, Junxiu Lv, Xingyu Gu. Numeric Analysis of Basalt Fiber Reinforced Concrete Pavement. Transportation Research Congress 2016. 2018; ():1.

Chicago/Turabian Style

Yiqing Dai; Zhenyi Wang; Junxiu Lv; Xingyu Gu. 2018. "Numeric Analysis of Basalt Fiber Reinforced Concrete Pavement." Transportation Research Congress 2016 , no. : 1.

Conference paper
Published: 06 February 2018 in Transportation Research Congress 2016
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The objective of this research is to investigate the deformation instability intrinsic rules about asphalt mixture at high temperature from the shear fatigue damage perspective. Firstly, the shearing strength parameters and the shear stress value in the damaged surface about the test material were determined by conducting unconfined compressive strength tests and uniaxial penetration tests, and then characteristics of the cumulative deformation instability in asphalt mixture at high temperature were obtained using uniaxial compressive dynamic creep tests. In addition, the curves of the creep deformation versus cycles can be obtained under different loading levels, respectively, so that the rheological cycles and the corresponding value as an instability point were defined. Finally, the relationship between the shear stress level and the rheological cycle, namely, the fatigue equation was established by analyzing testing results. The effect of shear fatigue obviously exists during the rutting development process, and the rutting instability in the third stage of the creep curve is the macroscopic phenomena of the cumulative deformation under the shear fatigue effect.

ACS Style

Junxiu Lv; Xingyu Gu; Xiaoyuan Zhang; Yiqing Dai. Creep Instability Rules of Asphalt Mixture Based on Compression-Shear Fatigue Test. Transportation Research Congress 2016 2018, 1 .

AMA Style

Junxiu Lv, Xingyu Gu, Xiaoyuan Zhang, Yiqing Dai. Creep Instability Rules of Asphalt Mixture Based on Compression-Shear Fatigue Test. Transportation Research Congress 2016. 2018; ():1.

Chicago/Turabian Style

Junxiu Lv; Xingyu Gu; Xiaoyuan Zhang; Yiqing Dai. 2018. "Creep Instability Rules of Asphalt Mixture Based on Compression-Shear Fatigue Test." Transportation Research Congress 2016 , no. : 1.

Conference paper
Published: 18 January 2018 in CICTP 2017
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A nonlinear emulation model of continuously reinforced concrete pavement (CRCP) was established by FEM to analyze mid-depth punch-out mechanism to provide a theoretical basis and reference for pavement design and punch-out control. Thermal sensitivity of concrete material and steel as well as bonding performance between the reinforced concrete and steel were accounted in the model. Influence factors of horizontal cracks, such as coefficient of thermal expansion, elasticity modulus, the bond-slip relationship between reinforced concrete and steel, and the location of steel bars, were researched to analyze how horizontal and longitudinal cracks appear and develop into punch-out in real projects. Results show that thermal stress is far greater than warping stress and the maximum main stresses of them were located in the same place; aggregate of low modulus and low expansion as well as reasonable steel location can help to control cracks; modulus of steel shows little effect to horizontal cracks.

ACS Style

Fan Wu; Yi-Qing Dai; Fujian Ni. Mid-Depth Punch-Out Research of Continuously Reinforced Concrete Pavement. CICTP 2017 2018, 1 .

AMA Style

Fan Wu, Yi-Qing Dai, Fujian Ni. Mid-Depth Punch-Out Research of Continuously Reinforced Concrete Pavement. CICTP 2017. 2018; ():1.

Chicago/Turabian Style

Fan Wu; Yi-Qing Dai; Fujian Ni. 2018. "Mid-Depth Punch-Out Research of Continuously Reinforced Concrete Pavement." CICTP 2017 , no. : 1.

Journal article
Published: 01 January 2018 in Construction and Building Materials
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ACS Style

Jiwang Jiang; Fujian Ni; Qiao Dong; Fan Wu; Yiqing Dai. Research on the fatigue equation of asphalt mixtures based on actual stress ratio using semi-circular bending test. Construction and Building Materials 2018, 158, 996 -1002.

AMA Style

Jiwang Jiang, Fujian Ni, Qiao Dong, Fan Wu, Yiqing Dai. Research on the fatigue equation of asphalt mixtures based on actual stress ratio using semi-circular bending test. Construction and Building Materials. 2018; 158 ():996-1002.

Chicago/Turabian Style

Jiwang Jiang; Fujian Ni; Qiao Dong; Fan Wu; Yiqing Dai. 2018. "Research on the fatigue equation of asphalt mixtures based on actual stress ratio using semi-circular bending test." Construction and Building Materials 158, no. : 996-1002.

Journal article
Published: 01 June 2017 in Journal of Highway and Transportation Research and Development (English Edition)
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A finite element model was established by Abaqus to investigate the mechanical characteristics of continuously reinforced concrete pavement (CRCP) with basalt fiber reinforced polymer (BFRP) based on existing experimental results. Influences of crack width, BFRP modulus, reinforcement ratio, as well as void under the pavement were analyzed, especially their influences on the stress situation of the cement concrete pavement structure and load transfer capacity. Results show that compared to pavements with traditional steel rebars, the crack width, distance, and transverse tension stress increased in pavements with BFRP rebars. Moreover, crack width and void beneath pavement clearly influence both mechanical state and load transfer efficiency. The concrete loses load transfer ability when crack width surpasses 1.1 mm, and the load transfer between slabs depends on rebars. The BFRP modulus and reinforcement ratio show little effect on either mechanical state or load transfer efficiency. Therefore, amplifying the BFRP modulus or reinforcement ratio to increase the load transfer coefficient is uneconomical. The findings provide guidelines for the design of CRCP reinforced by BFRP.

ACS Style

Yi-Qing Dai; Xing-Yu Gu; Jun-Xiu Lü. BFRP Concrete Pavement Analysis Based on Pavement Mechanics. Journal of Highway and Transportation Research and Development (English Edition) 2017, 11, 27 -31.

AMA Style

Yi-Qing Dai, Xing-Yu Gu, Jun-Xiu Lü. BFRP Concrete Pavement Analysis Based on Pavement Mechanics. Journal of Highway and Transportation Research and Development (English Edition). 2017; 11 (2):27-31.

Chicago/Turabian Style

Yi-Qing Dai; Xing-Yu Gu; Jun-Xiu Lü. 2017. "BFRP Concrete Pavement Analysis Based on Pavement Mechanics." Journal of Highway and Transportation Research and Development (English Edition) 11, no. 2: 27-31.

Journal article
Published: 24 November 2015 in Journal of Testing and Evaluation
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ACS Style

Xingyu Gu; Yiqing Dai; Jiwang Jiang. Test and Evaluation for Bonding Property Between GFRP and Concrete. Journal of Testing and Evaluation 2015, 44, 20150165 .

AMA Style

Xingyu Gu, Yiqing Dai, Jiwang Jiang. Test and Evaluation for Bonding Property Between GFRP and Concrete. Journal of Testing and Evaluation. 2015; 44 (2):20150165.

Chicago/Turabian Style

Xingyu Gu; Yiqing Dai; Jiwang Jiang. 2015. "Test and Evaluation for Bonding Property Between GFRP and Concrete." Journal of Testing and Evaluation 44, no. 2: 20150165.