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学者姓名：姜绍飞
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Abstract ：
Due to a lack of seismic design, traditional timber structures make their mortise and tenon joints susceptible to seismic action. To date, there are limited mortise and tenon joints strengthening techniques that are efficient and safe. This study proposed a novel assembled hoop of adjustable stiffness to enhance the seismic resilience of joints. To evaluate the efficacy of this reinforcing technique, two 1/2 scaled Chuan-dou timber structural models were designed, namely intact and reinforced models. The comparative analysis of these models was conducted by shaking table tests. Under a seismic intensity of 8.0, the dynamic amplification factor of the reinforced model decreased by 2.9 % compared to the intact model, and the maximum displacement response decreased by 27 %. This indicates that the seismic performance of the reinforced structure was restored to the same level as the intact structure. Additionally, the interstory drift was reduced from 1/33-1/35. This indicates that the proposed reinforcement technique is feasible and effective in the seismic performance and local joints energy dissipation for the Chuan-dou timber structure.
Keyword ：
Assembling hoop Assembling hoop Chuan-dou timber structure Chuan-dou timber structure Reinforcement technology Reinforcement technology Seismic performance Seismic performance Shaking table test Shaking table test
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| GB/T 7714 | Ge, Ziyi , Jiang, Shaofei , Cai, Wangxin et al. Shaking table test on Chuan-dou timber structures reinforced by assembled hoop of adjustable stiffness [J]. | STRUCTURES , 2025 , 76 . |
| MLA | Ge, Ziyi et al. "Shaking table test on Chuan-dou timber structures reinforced by assembled hoop of adjustable stiffness" . | STRUCTURES 76 (2025) . |
| APA | Ge, Ziyi , Jiang, Shaofei , Cai, Wangxin , Song, Hualin , Shen, Sheng . Shaking table test on Chuan-dou timber structures reinforced by assembled hoop of adjustable stiffness . | STRUCTURES , 2025 , 76 . |
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相比于钢筋混凝土(RC)管廊,超高性能混凝土(UHPC)管廊可以减小结构板厚,获得更大使用空间,并可以提升耐久性和使用寿命.为比较两种管廊在受力情况下的损伤机理和破坏模式,以及开裂荷载、刚度、极限承载力和接缝张开量等指标,进行了预应力筋连接UHPC管廊和RC管廊的静力作用下的受力性能试验,并通过有限元模型分析了预应力度对UHPC管廊纵向刚度的影响规律,研究了纵向刚度的简化计算方法.研究结果表明:相较于RC管廊,UHPC管廊的开裂荷载、屈服荷载和极限荷载分别提高了 84％、36％、45.5％;UHPC管廊抗弯刚度大于RC管廊;在达到极限荷载时,UHPC管廊接头竖向错位相较于RC管廊小38.0％,说明UHPC管廊接头性能优于RC管廊,根据有限元分析得到的刚度计算式可为UHPC管廊的设计计算提供依据.
Keyword ：
UHPC UHPC 承载力 承载力 抗弯刚度 抗弯刚度 接头 接头 破坏模式 破坏模式 综合管廊 综合管廊 预应力 预应力
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| GB/T 7714 | 朱三凡 , 胡超 , 夏樟华 et al. 预应力连接UHPC预制拼装管廊受力性能试验研究 [J]. | 应用基础与工程科学学报 , 2025 , 33 (1) : 289-299 . |
| MLA | 朱三凡 et al. "预应力连接UHPC预制拼装管廊受力性能试验研究" . | 应用基础与工程科学学报 33 . 1 (2025) : 289-299 . |
| APA | 朱三凡 , 胡超 , 夏樟华 , 许有胜 , 姜绍飞 . 预应力连接UHPC预制拼装管廊受力性能试验研究 . | 应用基础与工程科学学报 , 2025 , 33 (1) , 289-299 . |
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为了研究柱高比(即为双柱墩中 2根不同高度柱的柱高之比)对非等高RC双柱墩顺桥向弯扭性能的影响,对 2个柱高比不同的非等高RC双柱墩在压弯扭复合受力下进行了拟静力加载试验,得到了双柱墩试件的剪力-位移滞回曲线、扭矩-扭转角滞回曲线以及相应的骨架曲线.基于Abaqus建立了非等高双柱墩的有限元模型,并用试验结果验证了其准确性,随后开展了参数分析,研究柱高比、轴压比和配箍率对弯扭作用下的非等高RC双柱墩顺桥向抗震性能的影响.研究结果表明:柱高比的减小会增大双柱墩顺桥向抗弯承载力,降低了构件的抗扭耗能和抗扭承载力;随着柱高比的减小,扭转效应增强,降低了非等高双柱墩的延性变形能力,且扩大了非等高双柱墩的损伤区域;为避免非等高双柱墩中的矮柱先进入弯剪破坏,建议其柱高比不小于 0.67;轴压比的增大降低了弯扭复合作用下非等高双柱墩的抗弯承载力;增大配箍率可显著提高试件抗扭承载力,对可能受扭的双柱墩可适当增大配箍率.
Keyword ：
弯扭复合作用 弯扭复合作用 抗震性能 抗震性能 有限元分析 有限元分析 柱高比 柱高比 钢筋混凝土非等高双柱墩 钢筋混凝土非等高双柱墩 顺桥向 顺桥向
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| GB/T 7714 | 曾兴贵 , 谢宝雄 , 姜绍飞 . 非等高RC双柱墩顺桥向弯扭性能试验研究及有限元分析 [J]. | 工程力学 , 2025 , 42 (3) : 250-261 . |
| MLA | 曾兴贵 et al. "非等高RC双柱墩顺桥向弯扭性能试验研究及有限元分析" . | 工程力学 42 . 3 (2025) : 250-261 . |
| APA | 曾兴贵 , 谢宝雄 , 姜绍飞 . 非等高RC双柱墩顺桥向弯扭性能试验研究及有限元分析 . | 工程力学 , 2025 , 42 (3) , 250-261 . |
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为了掌握地震作用下古建木结构由细观材料到宏观结构的损伤机理和破坏状态,并对其损伤程度做出全面而合理的评价,提出了古建木结构跨尺度损伤演化分析方法,包括多尺度数值模型和多尺度一致性损伤模型.多尺度数值模型采用多点约束法来协调跨尺度界面变形,能同时描述局部损伤细节和整体力学行为;损伤模型以广义力-广义位移和抗震性能水准理论为基础,通过试验拟合分析来统一各层次损伤.以榫卯节点拟静力试验和多层古建木框架振动台试验为分析对象,详细阐述了跨尺度损伤演化分析方法的过程和结果.通过所提出的多尺度分析方法,可以为既有古建木结构抗震鉴定给出从局部材料、构件到整体结构的各层级评估结果,并揭示其之间的演化规律,为后期加固修复提供科学依据.
Keyword ：
古建筑木结构 古建筑木结构 地震损伤模型 地震损伤模型 有限元仿真分析 有限元仿真分析 跨尺度损伤演化分析 跨尺度损伤演化分析
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| GB/T 7714 | 吴铭昊 , 王永建 , 姜绍飞 . 古建木结构跨尺度地震损伤演化分析方法研究 [J]. | 地震工程与工程振动 , 2025 , 45 (1) : 177-186 . |
| MLA | 吴铭昊 et al. "古建木结构跨尺度地震损伤演化分析方法研究" . | 地震工程与工程振动 45 . 1 (2025) : 177-186 . |
| APA | 吴铭昊 , 王永建 , 姜绍飞 . 古建木结构跨尺度地震损伤演化分析方法研究 . | 地震工程与工程振动 , 2025 , 45 (1) , 177-186 . |
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To study the influence of column height ratio (namely the ratio of column heights of two columns with different heights) on flexural and torsional performance of Unequal-Height RC Double-column pier along bridge direction, quasi-static loading tests were carried out on two Unequal-Height RC Double-column piers with different column height ratio under the combined action of compression, bending and torsion. The shear-displacement hysteresis curves, torque-torsion hysteresis curves and corresponding skeleton curves of the double-column pier were obtained. Based on Abaqus, the finite element model of Unequal-Height RC Double-column pier was established, and its accuracy was verified by experimental results. Then parametric analysis was carried out to study the effects of column height ratio, axial compression ratio and stirrup ratio on the seismic performance of unequal-height double-column pier under the combined action of bending and torsion. The results show that the reduction of column height ratio increases the flexural bearing capacity along bridge direction, and reduces the torsional energy dissipation and torsional bearing capacity of the specimens. With the decrease of the column height ratio, the torsional effect is enhanced, which reduces the ductile deformation capacity of the double-column pier and enlarges the damage area of the unequal-height double-column pier. In order to avoid the bending shear failure of the short column of the unequal-height double-column pier, the column height ratio is recommended to be no less than 0.67. With the increase of axial compression ratio, the flexural capacity of unequal-height double-column pier under the combined action of bending and torsion is decreased. The torsional bearing capacity of specimens can be significantly improved by increasing the hoop ratio; therefore the hoop ratio can be appropriately increased for the unequal-height double-column pier that may be subjected to torsion. © 2025 Tsinghua University. All rights reserved.
Keyword ：
along bridge direction along bridge direction column height ratio column height ratio combined action of bending and torsion combined action of bending and torsion finite element analysis finite element analysis reinforced concrete unequal-height double-column pier reinforced concrete unequal-height double-column pier seismic performance seismic performance
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| GB/T 7714 | Zeng, X.-G. , Xie, B.-X. , Jiang, S.-F. . EXPERIMENTAL STUDY AND FINITE ELEMENT ANALYSIS ON FLEXURAL AND TORSIONAL PERFORMANCE OF UNEQUAL-HEIGHT RC DOUBLE-COLUMN PIERS ALONG BRIDGE DIRECTION; [非等高 RC 双柱墩顺桥向弯扭性能试验研究及有限元分析] [J]. | Engineering Mechanics , 2025 , 42 (3) : 250-261 . |
| MLA | Zeng, X.-G. et al. "EXPERIMENTAL STUDY AND FINITE ELEMENT ANALYSIS ON FLEXURAL AND TORSIONAL PERFORMANCE OF UNEQUAL-HEIGHT RC DOUBLE-COLUMN PIERS ALONG BRIDGE DIRECTION; [非等高 RC 双柱墩顺桥向弯扭性能试验研究及有限元分析]" . | Engineering Mechanics 42 . 3 (2025) : 250-261 . |
| APA | Zeng, X.-G. , Xie, B.-X. , Jiang, S.-F. . EXPERIMENTAL STUDY AND FINITE ELEMENT ANALYSIS ON FLEXURAL AND TORSIONAL PERFORMANCE OF UNEQUAL-HEIGHT RC DOUBLE-COLUMN PIERS ALONG BRIDGE DIRECTION; [非等高 RC 双柱墩顺桥向弯扭性能试验研究及有限元分析] . | Engineering Mechanics , 2025 , 42 (3) , 250-261 . |
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The quality of underwater bridge piers significantly impacts bridge safety and long-term usability. To address limitations in conventional inspection methods, this paper presents a sonar-based technique for the three-dimensional (3D) reconstruction and visualization of underwater bridge piers. Advanced MS1000 scanning sonar is employed to detect and image bridge piers. Automated image preprocessing, including filtering, denoising, binarization, filling, and morphological operations, introduces an enhanced wavelet denoising method to accurately extract the foundation contour coordinates of bridge piers from sonar images. Using these coordinates, along with undamaged pier dimensions and sonar distances, a model-driven approach for a 3D pier reconstruction algorithm is developed. This algorithm leverages multiple sonar data points to reconstruct damaged piers through multiplication. The Visualization Toolkit (VTK) and surface contour methodology are utilized for 3D visualization, enabling interactive manipulation for enhanced observation and analysis. Experimental results indicate a relative error of 13.56% for the hole volume and 10.65% for the spalling volume, demonstrating accurate replication of bridge pier defect volumes by the reconstructed models. Experimental validation confirms the method’s accuracy and effectiveness in reconstructing underwater bridge piers in three dimensions, providing robust support for safety assessments and contributing significantly to bridge stability and long-term safety assurance. © 2024 by the authors.
Keyword ：
sonar imaging sonar imaging three-dimensional reconstruction three-dimensional reconstruction underwater bridge pier underwater bridge pier
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| GB/T 7714 | Luo, J. , Jiang, S. , Zeng, Y. et al. Three-Dimensional Reconstruction and Visualization of Underwater Bridge Piers Using Sonar Imaging [J]. | Sensors , 2024 , 24 (14) . |
| MLA | Luo, J. et al. "Three-Dimensional Reconstruction and Visualization of Underwater Bridge Piers Using Sonar Imaging" . | Sensors 24 . 14 (2024) . |
| APA | Luo, J. , Jiang, S. , Zeng, Y. , Lai, C. . Three-Dimensional Reconstruction and Visualization of Underwater Bridge Piers Using Sonar Imaging . | Sensors , 2024 , 24 (14) . |
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To addresses the challenge of underwater grouting sleeve corrosion affecting bridge service life, we propose an innovative inspection approach by integrating a modified ultrasonic testing instrument, ultrasonic data augmentation method, and an improved ensemble learning prediction model. Firstly, the ultrasonic data was collected from grouting sleeve specimens by the modified instrument. Secondly, a data generation model, incorporating Bray Curtis distance and rejection sampling algorithm, was developed to generate samples and filter abnormal data. Then, Circle Chaotic Map improved Grey Wolf Optimizer was proposed to optimize parameters from the Random Forest (RF) algorithm for establishing the prediction model. Finally, SHapley Additive exPlanations (SHAP) method was used to interpret the model globally and locally. Experimental results validate the effectiveness of the data augmentation method, ensuring high-quality ultrasonic data for accurate corrosion rate predictions. The proposed inspection method provide technical support for assessing remaining bridge bearing capacity and service life, showcasing high accuracy, interpretability, and noise tolerance. © 2024 Elsevier Ltd
Keyword ：
Concrete construction Concrete construction Corrosion rate Corrosion rate Forecasting Forecasting Grouting Grouting Inspection Inspection Learning algorithms Learning algorithms Learning systems Learning systems Mortar Mortar
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| GB/T 7714 | Wang, Wei , Jiang, Shaofei , Song, Hualin et al. Inspection method of the corrosion rate for underwater grouting sleeves by integrating ultrasonic data augmentation and interpretable ensemble learning [J]. | Measurement: Journal of the International Measurement Confederation , 2024 , 237 . |
| MLA | Wang, Wei et al. "Inspection method of the corrosion rate for underwater grouting sleeves by integrating ultrasonic data augmentation and interpretable ensemble learning" . | Measurement: Journal of the International Measurement Confederation 237 (2024) . |
| APA | Wang, Wei , Jiang, Shaofei , Song, Hualin , Wu, Hongyu , Wang, Shengxian . Inspection method of the corrosion rate for underwater grouting sleeves by integrating ultrasonic data augmentation and interpretable ensemble learning . | Measurement: Journal of the International Measurement Confederation , 2024 , 237 . |
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The excessive enhancement of rotational stiffness leads to an uneven distribution of rotational stiffness across the entire timber frame. This uneven distribution concentrates the load effect on the strengthened mortise–tenon joints (MJs), causing localized failure in advance. To address this issue, a reversible and non-destructive strengthening method for the damaged MJs is devised, involving the utilization of an assembled spring-steel hoop. The rotational stiffness of a strengthened MJ is derived from the springs that link the steel hoop of the beam and column, resembling the rotational stiffness of an intact MJ. A comparison of the measured moment-rotation curves of various types of MJ reveals that the rotational stiffness similarity necessitates the strengthened MJ's yield moment and ultimate moment, along with the associated rotation angles, to closely resemble those of the intact MJ. Secondly, a design methodology is developed for the assembled spring-steel hoop, which involves determining the parameters of the connecting spring. The comparative analysis of the hysteretic test results on multiple strengthened and intact MJs indicates that the strengthened MJs exhibit rotational stiffness deviations of less than 12.2 % during the elasticity stage and 6.6 % during the plasticity stage, in comparison to the intact MJs. A spring exhibits a lower ultimate extension compared to timber, leading to a maximum discrepancy of 37.5 % in the ductility coefficients between the strengthened MJs and intact MJs. The strengthened and intact MJs display similar patterns of stiffness reduction and energy dissipation progression. © Elsevier Ltd
Keyword ：
Design Design Energy dissipation Energy dissipation Nondestructive examination Nondestructive examination Stiffness Stiffness Strengthening (metal) Strengthening (metal) Timber Timber
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| GB/T 7714 | Shen, Sheng , Sun, Yu , Wang, Yao et al. Damaged mortise–tenon joint strengthened using an assembled spring–steel hoop based on a design of similar rotational stiffness [J]. | Journal of Building Engineering , 2024 , 95 . |
| MLA | Shen, Sheng et al. "Damaged mortise–tenon joint strengthened using an assembled spring–steel hoop based on a design of similar rotational stiffness" . | Journal of Building Engineering 95 (2024) . |
| APA | Shen, Sheng , Sun, Yu , Wang, Yao , Qi, Yajun , Jiang, Shaofei , Fu, Xufeng et al. Damaged mortise–tenon joint strengthened using an assembled spring–steel hoop based on a design of similar rotational stiffness . | Journal of Building Engineering , 2024 , 95 . |
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为探究氯盐干湿循环作用下表面开槽CFRP-混凝土界面抗剪性能,开展干湿循环(0d、60d和120 d)不同沟槽形状(矩形、正梯形和倒梯形)的单搭接拉伸剪切试验,研究失效模式和断裂能的变化及影响最大剪应力的因素,结合试验结果推导了考虑干湿循环的界面黏结滑移本构方程,并通过数值模拟验证其有效性.结果表明:随干湿循环进行,表面开槽法失效模式由CFRP断裂破坏转变为剥离破坏;120 d界面断裂能下降量较未开槽法减少60.04%～69.42%;正梯形组120 d最大剪应力相比其他表面开槽形状提升7.18%～9.48%.表面开槽法在氯盐干湿循环作用下具有较好的抗剪性能,建立的界面本构劣化方程适用于氯盐干湿循环作用下表面开槽CFRP-混凝土界面黏结性能的分析和模拟.
Keyword ：
单剪试验 单剪试验 氯盐干湿循环 氯盐干湿循环 混凝土结构 混凝土结构 界面抗剪性能 界面抗剪性能 碳纤维布 碳纤维布 表面开槽法 表面开槽法
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| GB/T 7714 | 姜绍飞 , 郑臻弘 , 宋华霖 et al. 氯盐干湿循环作用下表面开槽CFRP-混凝土界面抗剪性能试验 [J]. | 哈尔滨工业大学学报 , 2024 , 56 (10) : 14-23 . |
| MLA | 姜绍飞 et al. "氯盐干湿循环作用下表面开槽CFRP-混凝土界面抗剪性能试验" . | 哈尔滨工业大学学报 56 . 10 (2024) : 14-23 . |
| APA | 姜绍飞 , 郑臻弘 , 宋华霖 , 王威 , 臧荣彬 . 氯盐干湿循环作用下表面开槽CFRP-混凝土界面抗剪性能试验 . | 哈尔滨工业大学学报 , 2024 , 56 (10) , 14-23 . |
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To addresses the challenge of underwater grouting sleeve corrosion affecting bridge service life, we propose an innovative inspection approach by integrating a modified ultrasonic testing instrument, ultrasonic data augmentation method, and an improved ensemble learning prediction model. Firstly, the ultrasonic data was collected from grouting sleeve specimens by the modified instrument. Secondly, a data generation model, incorporating Bray Curtis distance and rejection sampling algorithm, was developed to generate samples and filter abnormal data. Then, Circle Chaotic Map improved Grey Wolf Optimizer was proposed to optimize parameters from the Random Forest (RF) algorithm for establishing the prediction model. Finally, SHapley Additive exPlanations (SHAP) method was used to interpret the model globally and locally. Experimental results validate the effectiveness of the data augmentation method, ensuring high-quality ultrasonic data for accurate corrosion rate predictions. The proposed inspection method provide technical support for assessing remaining bridge bearing capacity and service life, showcasing high accuracy, interpretability, and noise tolerance.
Keyword ：
Bray Curtis distance Bray Curtis distance Conditional generative adversarial network Conditional generative adversarial network Corrosion rate Corrosion rate Ensemble learning Ensemble learning Rejection sampling algorithm Rejection sampling algorithm Underwater grouting sleeves Underwater grouting sleeves
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| GB/T 7714 | Wang, Wei , Jiang, Shaofei , Song, Hualin et al. Inspection method of the corrosion rate for underwater grouting sleeves by integrating ultrasonic data augmentation and interpretable ensemble learning [J]. | MEASUREMENT , 2024 , 237 . |
| MLA | Wang, Wei et al. "Inspection method of the corrosion rate for underwater grouting sleeves by integrating ultrasonic data augmentation and interpretable ensemble learning" . | MEASUREMENT 237 (2024) . |
| APA | Wang, Wei , Jiang, Shaofei , Song, Hualin , Wu, Hongyu , Wang, Shengxian . Inspection method of the corrosion rate for underwater grouting sleeves by integrating ultrasonic data augmentation and interpretable ensemble learning . | MEASUREMENT , 2024 , 237 . |
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