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学者姓名：张建伟
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Abstract ：
Waste concrete and waste bricks accounted for a large proportion of the construction and demolition waste. Converting them into recycled construction materials has become a promising treatment solution, and the produced recycled coarse aggregate can be referred to as recycled brick-concrete aggregate (RBCA). This study dealt with the mechanical properties and stress-strain behavior of RBCA concrete through thirty-nine uniaxial compression tests. The experimental parameters encompassed the recycled brick aggregate (RBA) replacement ratio, concrete strength, and stirrup ratio. The results indicated that the RBCA concrete experienced similar compression failure process compared with recycled concrete aggregate concrete (RAC), but the brittleness was more pronounced in the post-peak stage, especially when the RBA replacement ratio exceeded 40 %. The RBCA concrete presented a decrease in elastic modulus and an increase in peak strain with the RBA replacement ratio. The stress-strain curves exhibited brittle characteristics as the concrete strength increased, while stirrup confinement could delay the peak strain and ultimate strain of RBCA concrete, and effectively improve the brittleness. However, as the RBA content exceeded 40 %, the improvement effect was relatively insignificant. The key parameters were modified by considering the influence of RBA, and a unified calculation formula for the stress-strain curves of unconfined and rectilinear stirrup confined RBCA concrete was proposed. The calculation results were in good agreement with the experimental results, which can provide data support for the constitutive research of RBCA concrete with a RBA replacement ratio in the range of 0 %-50 %.
Keyword ：
Mechanical properties Mechanical properties Recycled brick-concrete aggregate Recycled brick-concrete aggregate Stirrup confined Stirrup confined Constitutive models Constitutive models Concrete Concrete
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| GB/T 7714 | Zhao, Di , Zhang, Jianwei , Liang, Haiyang et al. Mechanical properties and constitutive models of rectilinear stirrup confined recycled brick-concrete aggregate concrete [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2025 , 470 . |
| MLA | Zhao, Di et al. "Mechanical properties and constitutive models of rectilinear stirrup confined recycled brick-concrete aggregate concrete" . | CONSTRUCTION AND BUILDING MATERIALS 470 (2025) . |
| APA | Zhao, Di , Zhang, Jianwei , Liang, Haiyang , Sun, Yuping . Mechanical properties and constitutive models of rectilinear stirrup confined recycled brick-concrete aggregate concrete . | CONSTRUCTION AND BUILDING MATERIALS , 2025 , 470 . |
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Abstract ：
To explore the influence of employing ultra-high strength steel bars (UHSB) in columns on the seismic performance of recycled aggregate concrete (RAC) beam-column joints, four beam-column joints were tested under constant axial load and cyclic lateral load. The results revealed that the shear failure at the end of beams occurred in all beam-column joints. And the crack widths of beam-column joints employing UHSB in columns satisfied the AIJ guidelines, indicating satisfactory resilience. Due to the weaker bonding between UHSB and RAC, the strain distribution of UHSB was more uniform than that of HRB600 grade steel bars in columns. Consequently, the finite element models of beam-column joints were established by setting nonlinear springs, ensuring accurate representation of the hysteretic behavior. The numerical results also confirmed that beam-column joints employing UHSB in columns had a slighter damage degree of RAC, and the strain of stirrups was smaller in the joint core. It was indicated that the shear force transferred from UHSB to joint cores was relatively smaller. In conclusion, beam-column joints employing UHSB in columns had good seismic performance and resilience, which can be applied to the resilient structures.
Keyword ：
seismic resilience seismic resilience Recycled aggregate concrete Recycled aggregate concrete beam-column joints beam-column joints mechanism analyses mechanism analyses ultra-high strength steel bars ultra-high strength steel bars
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| GB/T 7714 | Zhang, Jianwei , Liu, Weiheng , Zhang, Man et al. Seismic performance and mechanism analysis of recycled aggregate concrete beam-column joints employing ultra-high strength steel bars in columns [J]. | ADVANCES IN STRUCTURAL ENGINEERING , 2025 , 28 (7) : 1184-1202 . |
| MLA | Zhang, Jianwei et al. "Seismic performance and mechanism analysis of recycled aggregate concrete beam-column joints employing ultra-high strength steel bars in columns" . | ADVANCES IN STRUCTURAL ENGINEERING 28 . 7 (2025) : 1184-1202 . |
| APA | Zhang, Jianwei , Liu, Weiheng , Zhang, Man , Han, Ruize , Huang, Mengdi , Tang, Lin . Seismic performance and mechanism analysis of recycled aggregate concrete beam-column joints employing ultra-high strength steel bars in columns . | ADVANCES IN STRUCTURAL ENGINEERING , 2025 , 28 (7) , 1184-1202 . |
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Abstract ：
The seismic behavior of six corroded recycled aggregate concrete (RAC) columns with ultra-high-strength bars (UHSB) was investigated through quasistatic test and numerical analysis. The main parameters include different corrosion ratios, axial load ratios (ALR), and stirrup ratios. The results revealed that: The damage development of the corroded specimen sped up with increasing corrosion ratio and ALR, and the corroded specimens suffered brittle shear failure due to the stirrup fracture or the concrete failure. The difference in carrying capacity of the specimens with low corrosion ratios and ALR was relatively small, while the deformation capacity was significantly reduced with increasing corrosion ratios and ALR. Reinforcement corrosion had a minor effect on the strength and stiffness degradation but would reduce the maximum cumulative energy dissipation capacity. By combining residual drift and residual crack width, the corroded specimens all could meet the limit of repairable residual drift and crack width before 4% drift, showing satisfactory resilient performance. Based on the modified corrosion models of materials, the numerical analysis showed the detrimental and coupling impact of the high ALR, high corrosion ratio, and low stirrup ratio on the carrying and deformation capacity. Through numerical analysis data, an equation was proposed that can satisfactorily predict the peak drift of the corroded columns with UHSB.
Keyword ：
seismic performance seismic performance recycled aggregate concrete recycled aggregate concrete corrosion corrosion ultra-high-strength bars ultra-high-strength bars resilient column resilient column
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| GB/T 7714 | Zhang, Jianwei , Wang, Fei , Zhao, Di et al. Hysteretic behavior of the corroded recycled aggregate concrete columns with ultra-high strength bars [J]. | ADVANCES IN STRUCTURAL ENGINEERING , 2024 , 27 (12) : 2023-2045 . |
| MLA | Zhang, Jianwei et al. "Hysteretic behavior of the corroded recycled aggregate concrete columns with ultra-high strength bars" . | ADVANCES IN STRUCTURAL ENGINEERING 27 . 12 (2024) : 2023-2045 . |
| APA | Zhang, Jianwei , Wang, Fei , Zhao, Di , Cao, Wanlin . Hysteretic behavior of the corroded recycled aggregate concrete columns with ultra-high strength bars . | ADVANCES IN STRUCTURAL ENGINEERING , 2024 , 27 (12) , 2023-2045 . |
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Abstract ：
In this paper, weakly bonded ultra-high-strength steel bars (DHSS) were used as longitudinal reinforcement in recycled aggregate concrete shear walls to achieve resilient performance. The study evaluated the repairability and hysteresis performance of shear walls before and after retrofitting. Quasi-static tests were performed on recycled aggregate concrete (RAC) and steel fiber reinforced recycled aggregate concrete (FRAC) shear walls to investigate the reparability of resilient shear walls when loaded to 1% drift ratio. Results showed that shear walls exhibited drift-hardening properties. The maximum residual drift ratio and residual crack width at 1% drift ratio were 0.107% and 0.01mm, respectively, which were within the repairable limits. Subsequently, shear walls were retrofitted with bonded X-shaped CFRP strips and steel plates wrapped at the bottom and retested. Except for a slight reduction in initial stiffness, earthquake-damaged resilient shear walls retrofitted with a composite method still had satisfactory hysteresis performance. A revised damage assessment index D, has been proposed to assess of damage degree. Moreover, finite-element analysis for the shear wall before and after retrofit retrofitting was established in OpenSees and verified with experimental results. The finite element results and test results were in good agreement. Finally, parametric analysis was performed.
Keyword ：
resilient shear walls resilient shear walls retrofit retrofit hysteresis performance hysteresis performance damage assessment damage assessment carbon-fiber0reinforced polymers carbon-fiber0reinforced polymers
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| GB/T 7714 | Zhang, Jianwei , Wang, Siyuan , Zhang, Man et al. Hysteresis performance of earthquake-damaged resilient RAC shear walls retrofitted with CFRP strips and steel plates [J]. | STEEL AND COMPOSITE STRUCTURES , 2024 , 52 (3) : 357-376 . |
| MLA | Zhang, Jianwei et al. "Hysteresis performance of earthquake-damaged resilient RAC shear walls retrofitted with CFRP strips and steel plates" . | STEEL AND COMPOSITE STRUCTURES 52 . 3 (2024) : 357-376 . |
| APA | Zhang, Jianwei , Wang, Siyuan , Zhang, Man , Sun, Yuping , Wang, Hongwei . Hysteresis performance of earthquake-damaged resilient RAC shear walls retrofitted with CFRP strips and steel plates . | STEEL AND COMPOSITE STRUCTURES , 2024 , 52 (3) , 357-376 . |
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Abstract ：
In order to investigate the seismic performance of earthquake-damaged high-strength recycled aggregate concrete (HSRAC) beam-column interior joints employing ultra-high strength bars (UHSB) in columns, four specimens were designed and manufactured. The research variables included whether the steel tube was encased in the column and whether beams were rehabilitated by bonding steel plates. Among them, the rehabilitated specimens were firstly loaded to 1.0 % drift ratio, and then loaded to failure after rehabilitating the plastic hinge of beams. The test results showed that the beam hinge failure mode occurred in the specimens loaded directly to failure. The damage of columns and joint cores was relatively slight, and the crack width satisfied the repairability limits before 2.0 % drift ratio. The shear failure of the joint core occurred in the rehabilitated specimen without steel tube, as shear deformation and stirrup strain in the joint core increased. The shear bearing capacity of joints increased after steel tubes were encased in columns, and the damage of joint cores was reduced. The bearing capacity and deformation capacity of specimens improved after rehabilitating. Finite element models were established and verified with experiment results. Parameter analysis was conducted for different pre- damage degrees, and the results indicated that as pre-damage degree increased, the bearing capacity of specimens decreased.
Keyword ：
Seismic performance Seismic performance Ultra-high strength bars Ultra-high strength bars Resilient beam-column interior joint Resilient beam-column interior joint Earthquake-damage rehabilitation Earthquake-damage rehabilitation High-strength recycled aggregate concrete High-strength recycled aggregate concrete
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| GB/T 7714 | Zhang, Jianwei , Tang, Lin , Liu, Weiheng et al. Seismic performance of earthquake-damaged HSRAC beam-column interior joints rehabilitated by bonding steel plates in the plastic hinge of beams [J]. | STRUCTURES , 2024 , 69 . |
| MLA | Zhang, Jianwei et al. "Seismic performance of earthquake-damaged HSRAC beam-column interior joints rehabilitated by bonding steel plates in the plastic hinge of beams" . | STRUCTURES 69 (2024) . |
| APA | Zhang, Jianwei , Tang, Lin , Liu, Weiheng , Zhang, Man . Seismic performance of earthquake-damaged HSRAC beam-column interior joints rehabilitated by bonding steel plates in the plastic hinge of beams . | STRUCTURES , 2024 , 69 . |
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Abstract ：
This paper aims to investigate and compare the seismic behavior of precast resilient wall and cast-in-situ resilient wall with different shear-span ratios, and to explore the reliability of the proposed precast wall in practical engineering. For this purpose, quasi-static tests were conducted on the precast walls and cast-in-situ walls with two shear span ratios of 2.2 and 1.5. The experimental variables also involved in the presence of steel fibers, and recycled aggregate concrete (RAC) strength. The seismic responses of tested walls, including damage state, load- displacements curves, stiffness degradation, and strain development were analyzed. In addition, residual drift ratio, and damage index were used to assess the resilient performance and damage degree. The comparison results indicated that precast walls can exhibit seismic and resilient performance comparable to that of cast-in- situ walls. Ultimately, considering the weak bond performance, the model analysis was conducted based on OpenSees platform, and parameter analysis of boundary longitudinal reinforcement has been carried out.
Keyword ：
Weak bond strength Weak bond strength Precast wall Precast wall Seismic performance Seismic performance Resilience Resilience Ultra-high-strength bars Ultra-high-strength bars
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| GB/T 7714 | Zhang, Man , Zhang, Jianwei , Li, Jianlin et al. Experimental study and model analysis on the seismic and resilient performance of RAC precast walls with UHSB [J]. | STRUCTURES , 2024 , 68 . |
| MLA | Zhang, Man et al. "Experimental study and model analysis on the seismic and resilient performance of RAC precast walls with UHSB" . | STRUCTURES 68 (2024) . |
| APA | Zhang, Man , Zhang, Jianwei , Li, Jianlin , Dong, Hongying . Experimental study and model analysis on the seismic and resilient performance of RAC precast walls with UHSB . | STRUCTURES , 2024 , 68 . |
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Abstract ：
This paper examines the results of bond-slip experiments on reinforced concrete with embedded ultrahighstrength steel bars with spiral grooves (UHSSBs). It includes the analysis of twenty-seven pullout specimens with different concrete compressive grades and embedment lengths to evaluate the bond responses. The rotations of UHSSBs are recorded during pullout tests to describe the theory behind the bonding mechanism of UHSSBs embedded in reinforced concrete. According to the test results, the specimens with higher concrete compressive strengths exhibited higher bond strengths. Moreover, all the specimens with different embedment lengths exhibited similar trends i.e., the bond strength decreased to different degrees with increasing embedment length. After the mechanisms of the bond behavior were described, a new analytical model was proposed to analyze the bond strengths of UHSSBs embedded in reinforced concrete under monotonically increasing tensile loads, taking into account the spiral characteristics of UHSSBs. Based on the model introduced, the parameters (i.e., the concrete strength and embedment length) affecting the analytical model were discussed, and the calculated bond strengths agreed well with the measured values, which indicated that the values could be obtained quickly and offered a reference for further practical structural design.
Keyword ：
Analytical model Analytical model grooves grooves Theory of bond mechanism Theory of bond mechanism Ultrahigh-strength steel bars with spiral Ultrahigh-strength steel bars with spiral Bond strength Bond strength
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| GB/T 7714 | Liu, Yujun , Zhang, Jianwei , Zhao, Di et al. Bond-slip response of ultrahigh-strength steel bars with spiral grooves embedded in reinforced concrete [J]. | STRUCTURES , 2024 , 70 . |
| MLA | Liu, Yujun et al. "Bond-slip response of ultrahigh-strength steel bars with spiral grooves embedded in reinforced concrete" . | STRUCTURES 70 (2024) . |
| APA | Liu, Yujun , Zhang, Jianwei , Zhao, Di , Tao, Xinyi , Zhang, Man . Bond-slip response of ultrahigh-strength steel bars with spiral grooves embedded in reinforced concrete . | STRUCTURES , 2024 , 70 . |
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Abstract ：
This paper investigates the seismic behavior of concrete members incorporating recycled coarse aggregates. Tests were carried out on three full-scale specimens with a 600 mm side length. The main parameters include axial load ratio (ALR) and the employment of CFRP external confinement and spiraled groove ultra-high-strength steel bars (UHSSBs) with a nominal yield strength of 1400 MPa. Lateral cyclic displacement and co-existing axial load were applied to specimens. After describing the experiment results and observations, an iterative method was proposed to investigate the relationship between reinforcement slip and reinforcement stress. Based on the iterative method, the lateral capacity and displacement of members reinforced with UHSSBs were discussed. The recycled coarse aggregate concrete columns employed both the CFRP jacket and the UHSSBs can maintain positive lateral stiffness under a 4% drift and have less residual drifts compared with that of the traditional ductile column. Besides, the increase of ALR gives rise to higher residual drift. The method proposed here is capable of predicting the experimental yield loading capacity and the yield drift.
Keyword ：
Square concrete member Square concrete member Ultra-high-strength steel bar Ultra-high-strength steel bar CFRP jacket CFRP jacket Seismic loading Seismic loading Cyclic response Cyclic response External confinement External confinement Recycled coarse aggregate concrete Recycled coarse aggregate concrete Resilient structure Resilient structure
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| GB/T 7714 | Cai, Ruxing , Zhang, Jianwei , Liu, Yujun et al. Seismic behavior of recycled concrete columns reinforced with ultra-high-strength steel bars [J]. | ENGINEERING STRUCTURES , 2023 , 279 . |
| MLA | Cai, Ruxing et al. "Seismic behavior of recycled concrete columns reinforced with ultra-high-strength steel bars" . | ENGINEERING STRUCTURES 279 (2023) . |
| APA | Cai, Ruxing , Zhang, Jianwei , Liu, Yujun , Tao, Xinyi . Seismic behavior of recycled concrete columns reinforced with ultra-high-strength steel bars . | ENGINEERING STRUCTURES , 2023 , 279 . |
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Abstract ：
Forty-five pull-out tests were carried out to investigate the bond behavior between recycled aggregate concrete (RAC) and ultrahigh-strength steel bars (UHSSBs) with spiral grooves. Bond performance influencing factors were taken into account to analyze the ultimate bond stress and slip, bond energy absorption, bond stiffness and residual bond stress, including UHSSB corrosion levels from 0 to 11%, recycled coarse aggregate (RCA) replacement ratios from 0 to 100%, stirrup ratios from 0.51 to 1.03%, UHSSB embedded length from 10d to 20d, concrete cover thickness from 30 to 70 mm, and anti-rust coating. Pull-out failure was observed in all specimens, and the experimental results showed that the bond strength and bond stiffness initially increased when the corrosion level was no more than 1.5% and then decreased with increasing corrosion levels. Corrosion-induced bond degradation decreased with increasing stirrup ratios and concrete cover thickness, and bond strength decreased with increasing embedded length of UHSSB and RCA replacement ratios. The anti-rust coating can effectively prevent UHSSBs from rusting but can lead to a decrease in bond strength by 37.3%. A bond strength model was proposed considering the corrosion levels of UHSSBs and RCA replacement ratios with presented predictions for the bond stress-slip relationship, which provided a reference for engineering design.
Keyword ：
Corrosion levels Corrosion levels Ultrahigh-strength steel bars Ultrahigh-strength steel bars Bond strength model Bond strength model Recycled aggregate concrete Recycled aggregate concrete Bond stress-slip relationship Bond stress-slip relationship Pull-out tests Pull-out tests
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| GB/T 7714 | Zhang, Jianwei , Peng, Jian , Tao, Xinyi et al. Bond Behavior Between Recycled Concrete and Corroded Ultrahigh-Strength Steel Bars [J]. | INTERNATIONAL JOURNAL OF CIVIL ENGINEERING , 2023 , 21 (7) : 1195-1217 . |
| MLA | Zhang, Jianwei et al. "Bond Behavior Between Recycled Concrete and Corroded Ultrahigh-Strength Steel Bars" . | INTERNATIONAL JOURNAL OF CIVIL ENGINEERING 21 . 7 (2023) : 1195-1217 . |
| APA | Zhang, Jianwei , Peng, Jian , Tao, Xinyi , Zhao, Di , Cao, Wanlin . Bond Behavior Between Recycled Concrete and Corroded Ultrahigh-Strength Steel Bars . | INTERNATIONAL JOURNAL OF CIVIL ENGINEERING , 2023 , 21 (7) , 1195-1217 . |
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Abstract ：
为适应新时代复合型工程技术创新人才培养需求,在本科教学过程中有机融入工程的自然属性和社会属性教育,提升土木工程专业本科生的工程实践与创新能力,创建了面向广义工程的"实践能力开放式培养模式""实践教学群体式指导模式"和"实践化创新能力培养模式",建设了"虚实结合、相互补充""产学研用有机融合"的本科生工程实践与创新能力培养实训平台,建立了突出学科优势的特色专业课程体系和课程群教学团队,探究了广义大工程的思想政治教育意蕴,构建了"1+2+N"土木工程专业课程思政教育课程体系,形成了土木工程专业复合型工程技术创新人才立体化培养模式,并进行了教学实践,取得了明显成效.
Keyword ：
培养模式 培养模式 创新能力 创新能力 工程实践能力 工程实践能力 本科生 本科生 土木工程专业 土木工程专业
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| GB/T 7714 | 张建伟 , 杜修力 , 乔崎云 et al. 土木工程专业复合型创新人才立体化培养模式构建与实践 [J]. | 当代教育理论与实践 , 2023 , 15 (1) : 53-57 . |
| MLA | 张建伟 et al. "土木工程专业复合型创新人才立体化培养模式构建与实践" . | 当代教育理论与实践 15 . 1 (2023) : 53-57 . |
| APA | 张建伟 , 杜修力 , 乔崎云 , 陈适才 . 土木工程专业复合型创新人才立体化培养模式构建与实践 . | 当代教育理论与实践 , 2023 , 15 (1) , 53-57 . |
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