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学者姓名：陈伟宏
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The authors regret that there was an error in the acknowledgments section of the published version. The correct version of Acknowledgement section is as follows with the correct project funding numbers: © 2023
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| GB/T 7714 | Chen, W. , Han, C. , Xie, Y. et al. Corrigendum to “Evaluation of compression self-healing performance of a smart cementitious composite SMA-ECC” [Constr. Build. Mater. vol. 409(15) (2023) 133917] (Construction and Building Materials (2023) 409, (S0950061823036358), (10.1016/j.conbuildmat.2023.133917)) [未知]. |
| MLA | Chen, W. et al. "Corrigendum to “Evaluation of compression self-healing performance of a smart cementitious composite SMA-ECC” [Constr. Build. Mater. vol. 409(15) (2023) 133917] (Construction and Building Materials (2023) 409, (S0950061823036358), (10.1016/j.conbuildmat.2023.133917))" [未知]. |
| APA | Chen, W. , Han, C. , Xie, Y. , Lin, B. , Cui, S. . Corrigendum to “Evaluation of compression self-healing performance of a smart cementitious composite SMA-ECC” [Constr. Build. Mater. vol. 409(15) (2023) 133917] (Construction and Building Materials (2023) 409, (S0950061823036358), (10.1016/j.conbuildmat.2023.133917)) [未知]. |
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为研究工程水泥基复合材料(Engineering Cementitious Composite,ECC)管桩的抗冲击性能,采用Ansys/LS-DYNA对管桩受竖向落锤冲击作用进行模拟.基于静态拉压试验和动态压缩试验获得关键参数,建立ECC管桩的HJC(Holmquist-Johnson-Cook)本构模型,通过霍普金森压杆试验(Split Hopkinson Pressure Bar,SHPB)验证有限元模型的正确性.对不同锤体质量和冲击速度组合的管桩模型进行参数化分析,得到管桩在不同冲击能量下的位移、能量时程曲线和有效塑性应变图等动力响应.结果表明:在竖向冲击作用下,ECC管桩的最大残余变形只有高强混凝土(High-Strength Concrete,HC)管桩的66.0%,最小残余变形仅为HC管桩的13.7%;且ECC管桩释放的变形能占比平均为HC管桩的6.26倍.表明ECC管桩较HC管桩有更好的抗损伤能力和弹性恢复能力.
Keyword ：
LS-DYNA LS-DYNA 工程水泥基复合材料(ECC) 工程水泥基复合材料(ECC) 抗冲击性能 抗冲击性能 管桩 管桩 高强混凝土(HC) 高强混凝土(HC)
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| GB/T 7714 | 曾庆有 , 叶晨峰 , 刘俊俊 et al. 基于LS-DYNA的ECC管桩的抗冲击性能分析 [J]. | 中外公路 , 2024 , 44 (5) : 210-217 . |
| MLA | 曾庆有 et al. "基于LS-DYNA的ECC管桩的抗冲击性能分析" . | 中外公路 44 . 5 (2024) : 210-217 . |
| APA | 曾庆有 , 叶晨峰 , 刘俊俊 , 冯凯 , 程沛媛 , 陈伟宏 . 基于LS-DYNA的ECC管桩的抗冲击性能分析 . | 中外公路 , 2024 , 44 (5) , 210-217 . |
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A novel self-healing cementitious composite SMA-ECC is utilized to enhance corrosion resistance and maintain mechanical properties in chloride environment. The purpose of this study is to investigate the impact of the loading level on embedded steel rebar corrosion and the self-healing performance of SMA-ECC. The study examined the damage conditions, mechanical properties, and rebar corrosion resistance following a loading test. Chloride ingress depth and electrochemical tests were adopted to evaluate the corrosion resistance of the specimens. The findings reveal that SMA-ECC exhibits remarkable self-healing abilities in terms of damage recovery and restoration of mechanical properties. Cracks smaller than 50 mu m can achieve a 100 % closure rate in SMA-ECC. It was observed that specimens with less damage (50 %, 70 % damage conditions) displayed improved chloride resistance (SMA-ECC in 50 % damage condition has equivalent corrosion resistance in terms of corrosion current density compared to intact NC control specimens), leading to higher corrosion resistance for SMA-ECC according to the electrochemical test results.
Keyword ：
Corrosion resistance Corrosion resistance ECC ECC Loading level Loading level Self-healing Self-healing Shape memory alloy Shape memory alloy
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| GB/T 7714 | Chen, Weihong , Lin, Boxu , Zheng, Jianfeng et al. Effect of loading level on the corrosion resistance of a novel self-healing cementitious composite [J]. | JOURNAL OF BUILDING ENGINEERING , 2024 , 90 . |
| MLA | Chen, Weihong et al. "Effect of loading level on the corrosion resistance of a novel self-healing cementitious composite" . | JOURNAL OF BUILDING ENGINEERING 90 (2024) . |
| APA | Chen, Weihong , Lin, Boxu , Zheng, Jianfeng , Cui, Shuangshuang , Zhuang, Shusen . Effect of loading level on the corrosion resistance of a novel self-healing cementitious composite . | JOURNAL OF BUILDING ENGINEERING , 2024 , 90 . |
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| GB/T 7714 | Chen, Weihong , Han, Chunhui , Xie, Yunjun et al. Evaluation of compression self-healing performance of a smart cementitious composite SMA-ECC (vol 409, 133917, 2023) [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 411 . |
| MLA | Chen, Weihong et al. "Evaluation of compression self-healing performance of a smart cementitious composite SMA-ECC (vol 409, 133917, 2023)" . | CONSTRUCTION AND BUILDING MATERIALS 411 (2024) . |
| APA | Chen, Weihong , Han, Chunhui , Xie, Yunjun , Lin, Boxu , Cui, Shuangshuang . Evaluation of compression self-healing performance of a smart cementitious composite SMA-ECC (vol 409, 133917, 2023) . | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 411 . |
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Replacing concrete with engineering cementitious composite (ECC) can improve continuous collapse resistance of structure under accidental load, but bond-slip failure may occur between rebars and ECC during catenary large deformation stage. Here, based on split Hopkinson pressure bar (SHPB) testing device, dynamic bond-slip performance tests between rebars and ECC were conducted. Effects of ECC strength grade, strain rate, and rebar diameter on the ultimate bond strength, stiffness and slip amount were analyzed to obtain the average bond-slip curve between rebars and ECC under high strain rate load and their bond-slip failure mode. Compared with static bond-slip tests, the dynamic bond dynamic increase factor (DIF) was obtained. Furthermore, using the method of sticking strain gauges inside rebar groove, distribution laws of bond stress and relative slip at different anchoring positions were obtained and the bond position function was proposed. Finally, based on test results, the average bond-slip constitutive relation between rebars and ECC was obtained, this relation was then multiplied by the bond position function to obtain the dynamic bond-slip constitutive relation considering effects of anchor position, and provide test basis and theoretical reference for design and finite element analysis of ECC structural components. © 2024 Chinese Vibration Engineering Society. All rights reserved.
Keyword ：
Bridge decks Bridge decks Mechanical testing Mechanical testing Strain rate Strain rate
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| GB/T 7714 | Cui, Shuangshuang , Meng, Yao , Chen, Weihong et al. Bond-slip relation between rebars and ECC under high strain rate load [J]. | Journal of Vibration and Shock , 2024 , 43 (1) : 71-82 . |
| MLA | Cui, Shuangshuang et al. "Bond-slip relation between rebars and ECC under high strain rate load" . | Journal of Vibration and Shock 43 . 1 (2024) : 71-82 . |
| APA | Cui, Shuangshuang , Meng, Yao , Chen, Weihong , Sun, Hao . Bond-slip relation between rebars and ECC under high strain rate load . | Journal of Vibration and Shock , 2024 , 43 (1) , 71-82 . |
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采用水泥基复合材料(engineering cementitious composite,ECC)替代混凝土可以提高结构在偶然荷载作用下的抗连续倒塌性能,但在悬链线大变形阶段钢筋与ECC间可能会出现黏结滑移破坏.基于分离式霍普金森压杆(SHPB)试验装置,进行了钢筋与ECC的动态黏结滑移性能试验,分析了 ECC强度等级、应变率、钢筋直径对极限黏结强度、刚度和滑移量的影响规律,获得了高应变率下钢筋与ECC的平均黏结滑移曲线,得到其黏结滑移破坏模式.并与静态黏结滑移试验进行对比,得到了动态黏结强度增强因子.进一步,通过钢筋开槽内贴应变片法,获得不同锚固位置的黏结应力及相对滑移的分布规律,提出黏结位置函数.最后,根据试验结果得到钢筋与ECC平均黏结滑移本构,进而乘以黏结位置函数得到考虑锚固位置影响的动态黏结滑移本构,为ECC结构构件设计及有限元分析提供试验依据和理论参考.
Keyword ：
ECC) ECC) 位置函数 位置函数 分离式霍普金森压杆(SHPB)试验 分离式霍普金森压杆(SHPB)试验 水泥基复合材料(engineering cementitious composite 水泥基复合材料(engineering cementitious composite 钢筋-ECC黏结滑移 钢筋-ECC黏结滑移 高应变率荷载 高应变率荷载 黏结滑移本构关系 黏结滑移本构关系
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| GB/T 7714 | 崔双双 , 孟瑶 , 陈伟宏 et al. 高应变率荷载作用下钢筋与ECC的黏结滑移关系研究 [J]. | 振动与冲击 , 2024 , 43 (1) : 71-82 . |
| MLA | 崔双双 et al. "高应变率荷载作用下钢筋与ECC的黏结滑移关系研究" . | 振动与冲击 43 . 1 (2024) : 71-82 . |
| APA | 崔双双 , 孟瑶 , 陈伟宏 , 孙浩 . 高应变率荷载作用下钢筋与ECC的黏结滑移关系研究 . | 振动与冲击 , 2024 , 43 (1) , 71-82 . |
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修建于20世纪90年代后的非延性钢筋混凝土(RC)框架结构,在遭遇地震后会有大量的RC框架结构存在一定程度的损伤,而将其推倒重建,将会带来巨大的经济损失和浪费.通过外包碳纤维增强复合材料(CFRP)加固方法对这些震损结构进行加固,可以极大程度地解决该难题.为研究外包CFRP加固后的震损非延性RC框架结构的抗震性能,本文基于OpenSees有限元分析软件对其缩尺模型进行分析,并将分析所得的骨架曲线、滞回曲线与试验结果进行对比.二者结果在弹性阶段基本吻合,弹塑性阶段存在一定偏差,但这些偏差在容许范围内.
Keyword ：
CFRP CFRP 抗震性能 抗震性能 数值模拟 数值模拟 框架结构 框架结构
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| GB/T 7714 | 吴凤英 , 陈晖 , 陈伟宏 . 外包CFRP加固震损非延性混凝土框架有限元计算方法 [J]. | 工程抗震与加固改造 , 2024 , 46 (6) : 130-136 . |
| MLA | 吴凤英 et al. "外包CFRP加固震损非延性混凝土框架有限元计算方法" . | 工程抗震与加固改造 46 . 6 (2024) : 130-136 . |
| APA | 吴凤英 , 陈晖 , 陈伟宏 . 外包CFRP加固震损非延性混凝土框架有限元计算方法 . | 工程抗震与加固改造 , 2024 , 46 (6) , 130-136 . |
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The seismic performance of the innovative steel-reinforced reactive powder concrete (SRRPC) composite columns was evaluated via the cyclic experiments considering the steel shape ratio, axial compression ratio and the stirrup ratio. The SRRPC columns generally exhibited appreciable seismic behavior, great crack-resistance and excellent anti-spalling property. It was found that increasing the steel shape ratio from 4.20% to 5.35% can significantly enhance the ductility and the energy dissipation capacity. As the axial compression ratio increased from 0.1 to 0.3, the peak lateral load increased but the ductility significantly decreased. Increasing the stirrup ratio from 1.57% to 2.52% was not helpful for seismic performance in the pre-peak zone but was beneficial to the strength and ductility in the post-peak zone. Moreover, the average strength loss of the SRRPC columns with low axial compression ratio at the 4.5% drift ratio was less than 12.5%, satisfying the modern seismic drift criteria. Two coefficients, & beta;tu and k, for predicting the equivalent tensile strength were identified and compared to the suggested values from the specifications JGJ/T 465-2019 and T/CCPA 35-2022, respectively. An analytical model was successfully developed to predict the lateral load-bearing capacity. Good agreements were found between the experimental and analytical results.
Keyword ：
Composite column Composite column Hysteretic behavior Hysteretic behavior Lateral load -bearing capacity Lateral load -bearing capacity Reactive powder concrete Reactive powder concrete Steel -reinforced concrete Steel -reinforced concrete
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| GB/T 7714 | Zhang, Lingfeng , Wang, Kun , Zhang, Ming et al. Seismic performance of steel-reinforced reactive powder concrete columns [J]. | STRUCTURES , 2023 , 54 : 1788-1802 . |
| MLA | Zhang, Lingfeng et al. "Seismic performance of steel-reinforced reactive powder concrete columns" . | STRUCTURES 54 (2023) : 1788-1802 . |
| APA | Zhang, Lingfeng , Wang, Kun , Zhang, Ming , Yang, Yang , Liu, Fengcheng , Yang, Dongdong et al. Seismic performance of steel-reinforced reactive powder concrete columns . | STRUCTURES , 2023 , 54 , 1788-1802 . |
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An innovative bolt-connected precast concrete (PC) shear wall structural system has recently been proposed for middle and high-rise buildings in seismic regions. As a further research step, this paper aims to investigate the seismic behavior of PC coupled shear wall with different types of dissipative coupling beams. The quasi-static cyclic tests on two PC coupled shear wall specimens with friction-based coupling beam (FCB) and yielding-based coupling beam (YCB) were conducted. Moreover, nonlinear finite element models of the specimens were established and validated with the experimental results. The results demonstrated that the proposed dissipative coupling beams can effectively couple the wall panels in elastic field, whilst they can sustain large plastic deformation adding to the structural assembly a relevant source of energy dissipation under thresholded actions. Whilst the specimen with YCB exhibited large overstrength in plastic field, the specimen with FCB provided a more stable plateau capacity associated to enhanced deformation capacity, ductility and energy dissipation. Moreover, the FCB resulted practically undamaged and immediately reusable at the end of the test, whilst the YCB was found highly plasticized and locally torn. In addition, the detailed finite element models of the test specimens accurately predicted the experimental behavior.
Keyword ：
Dissipative coupling beams Dissipative coupling beams Numerical simulation Numerical simulation Precast concrete coupled walls Precast concrete coupled walls Quasi-static cyclic test Quasi-static cyclic test Seismic behavior Seismic behavior
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| GB/T 7714 | Fang, Qiang , Sun, Jian , Qiu, Hongxing et al. Seismic behavior of precast concrete coupled shear walls with yielding-based and friction-based coupling beams [J]. | ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING , 2023 , 23 (2) . |
| MLA | Fang, Qiang et al. "Seismic behavior of precast concrete coupled shear walls with yielding-based and friction-based coupling beams" . | ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING 23 . 2 (2023) . |
| APA | Fang, Qiang , Sun, Jian , Qiu, Hongxing , Dal Lago, Bruno , Chen, Weihong . Seismic behavior of precast concrete coupled shear walls with yielding-based and friction-based coupling beams . | ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING , 2023 , 23 (2) . |
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This study investigated the effect of sustained loading on the cumulative damage of a newly developed smart cement-based self-healing composite material (SMA-ECC). SMA-ECC is composed of engineered cementitious composite (ECC) and shape memory alloy (SMA) fibers. A uniaxial compressive test with five predefined loading levels (0%, 30%, 40%, 50%, and 60% of compressive strength) was conducted on SMA-ECC hollow-cylindrical specimens and ECC control hollow-cylindrical specimens. The cumulative damage was mainly determined by changes in the total water absorption of different groups of specimens during three different periods (not loaded, at a predefined loading level, and after unloading). A normalized water content index was proposed to couple the effects of self-healing, sustained loading, and cumulative damage. The test results indicate that the cumulative water absorption of SMA-ECC was 35% lower than that of ECC, which may indicate less irreparable damage. In addition, the self-healing ability of SMA-ECC specimens under different compression load levels was evaluated through normalized water content analysis. SMA-ECC exhibited a 100% repair rate at load levels of 30% and 40%. At a higher load level of 60%, the repair rate of SMA-ECC was 76%. These results collectively emphasize the significant impermeability and self-healing performance of SMA-ECC after unloading.
Keyword ：
engineered cementitious composites engineered cementitious composites loading level loading level self-repairing self-repairing sustained compressive loading sustained compressive loading water absorption water absorption
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| GB/T 7714 | Chen, Weihong , Han, Chunhui , Liu, Yi et al. Experimental Investigation of Cumulative Damage and Self-Healing Properties of Smart Cementitious Composite under Continuous Compression Load [J]. | MATERIALS , 2023 , 16 (18) . |
| MLA | Chen, Weihong et al. "Experimental Investigation of Cumulative Damage and Self-Healing Properties of Smart Cementitious Composite under Continuous Compression Load" . | MATERIALS 16 . 18 (2023) . |
| APA | Chen, Weihong , Han, Chunhui , Liu, Yi , Feng, Kai , Zhuang, Shusen . Experimental Investigation of Cumulative Damage and Self-Healing Properties of Smart Cementitious Composite under Continuous Compression Load . | MATERIALS , 2023 , 16 (18) . |
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