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学者姓名：黄育凡
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Abstract ：
工字梁组合刚构桥墩梁节点受力复杂,墩梁节点传力机理与荷载分配规律尚不明确,且缺乏相应的墩梁节点计算方法.通过对比工字梁组合刚构桥墩梁节点试验结果,采用验证后的实体有限元计算模型,根据墩梁节点各部件在桥墩轴力、弯矩、剪力单独作用下的受力状态,分析墩梁节点的传力机理和荷载承担占比,建立各部件的设计计算方法,并开展工字梁组合刚构桥试设计.结果表明:墩梁节点的轴力和弯矩传递机理和路径接近,剪力传递机理有所区别;纵梁与横梁各承担45%～55%荷载传递,轴压力和轴拉力作用下纵梁传力路径及荷载承担占比有所变化,直接由纵梁传递的荷载主要通过纵梁下翼缘传递,传递至横梁的荷载主要由横梁腹板栓钉承担.纵梁设计应考虑桥墩截面附加应力,横梁按照简支梁均布荷载受力模式计算,横梁腹板连接件设计按承担所有传递至横梁的荷载计算,纵梁腹板栓钉及下翼缘栓钉按照构造要求配置.试设计桥梁墩梁节点验算满足要求,有限元分析与理论计算结果相符,建立的墩梁节点设计方法可适用于工字梁组合刚构桥设计.
Keyword ：
传力机理 传力机理 有限元分析 有限元分析 组合桥梁 组合桥梁 节点 节点 计算方法 计算方法
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| GB/T 7714 | 黄育凡 , 陈凌杰 , 吴庆雄 et al. 工字梁组合刚构桥墩梁节点传力机理与设计方法 [J]. | 湖南大学学报（自然科学版） , 2025 , 52 (3) : 47-59 . |
| MLA | 黄育凡 et al. "工字梁组合刚构桥墩梁节点传力机理与设计方法" . | 湖南大学学报（自然科学版） 52 . 3 (2025) : 47-59 . |
| APA | 黄育凡 , 陈凌杰 , 吴庆雄 , 林飞鸿 . 工字梁组合刚构桥墩梁节点传力机理与设计方法 . | 湖南大学学报（自然科学版） , 2025 , 52 (3) , 47-59 . |
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To study the influence of transverse spacing and different arrangements of stud connectors on structural mechanical performance, ten local full-scale model specimens were designed and manufactured. Transverse bending and tensile performance tests were conducted at the center of the bridge deck support and the cantilever side. The results indicated that, under interior side curvature, the studs were subjected to compression on the side of the stiffener and tension on the outer side of the web. All studs on the outer side of the web experienced tensile fractures near the stud head. Under cantilever side curvature, the studs were subjected to compression on the outer side of the web. Due to the constraint effect of the stiffeners on the upper flange, the studs on the side of the vertical stiffener were primarily in tension. Under the same transverse arrangement of studs, the bending and tensile bearing capacities under cantilever side curvature were significantly lower than those under interior side curvature. For a given unit length arrangement of studs, when four studs can be accommodated within the flange width, it is advisable to evenly distribute the studs on both sides near the web to prevent detachment. It is recommended to avoid placing studs directly above the stiffeners and webs. When designing the transverse arrangement of studs, it is suggested to use four rows of studs, maintaining a ratio of 0.15 between the transverse spacing and the width of the upper flange of the I-beam.
Keyword ：
Bending and tensile performance testing Bending and tensile performance testing Bridge engineering Bridge engineering Composite twin-I girder Composite twin-I girder Finite element analysis Finite element analysis Shear studs connector Shear studs connector Shear studs design Shear studs design
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| GB/T 7714 | Huang, Yufan , Chen, Lingjie , Wang, Qu et al. Transverse bending and tensile performance of studs in composite twin-I girder bridge [J]. | STRUCTURES , 2025 , 73 . |
| MLA | Huang, Yufan et al. "Transverse bending and tensile performance of studs in composite twin-I girder bridge" . | STRUCTURES 73 (2025) . |
| APA | Huang, Yufan , Chen, Lingjie , Wang, Qu , Liu, Wei , Hang, Dongdong , Wu, Qingxiong . Transverse bending and tensile performance of studs in composite twin-I girder bridge . | STRUCTURES , 2025 , 73 . |
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Abstract ：
本实用新型属于桥梁伸缩缝装置技术领域，尤其涉及一种桥面连续化改造结构。本实用新型的组成，包括伸缩缝支撑座上的固定槽、固定架单元、组合螺杆单元、橡胶复合钢板单元，以及现浇沥青块，使得该改造结构具有以下作用：1、橡胶复合钢板单元提供充分的支撑强度和纵桥向弹性形变量，保证伸缩缝宽度变大变小过程中，橡胶复合钢板单元不会多度挤压沥青层；2、组合螺杆单元可以直接竖直向下拉紧橡胶复合钢板单元，避免后者轻易地翘起；3、现浇沥青块可以充分连接沥青层和橡胶复合钢板单元，使得桥面连续化的效果显著，车辆通过时不会撞击发声。
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| GB/T 7714 | 吴庆雄 , 林伟 , 黄育凡 et al. 一种桥面连续化改造结构 : CN202320218438.1[P]. | 2023-02-15 00:00:00 . |
| MLA | 吴庆雄 et al. "一种桥面连续化改造结构" : CN202320218438.1. | 2023-02-15 00:00:00 . |
| APA | 吴庆雄 , 林伟 , 黄育凡 , 伍秉顺 , 杨益伦 , 陈荣刚 et al. 一种桥面连续化改造结构 : CN202320218438.1. | 2023-02-15 00:00:00 . |
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Abstract ：
本实用新型属于桥梁伸缩缝装置技术领域，尤其涉及一种桥面连续化装置。本实用新型通过在橡胶盖板内设置波形板、在橡胶盖板上设置竖向固定管和现浇块单元的方式，使得：1、波形板依靠自身纵桥向易伸缩、竖向难弯折的特性，给该装置提供充分的竖向支撑强度；2、橡胶盖板也有足够的弹性，最终其在桥梁伸缩缝处左右完全连接，也不会在缝隙收缩时过度挤压沥青层、在缝隙扩大时过度拉扯沥青层；3、竖向固定管可以在现浇块单元上，对橡胶盖板和波形板的这个组合板体进行防翘起、防移位操作。
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| GB/T 7714 | 吴庆雄 , 陈荣刚 , 黄育凡 et al. 一种桥面连续化装置 : CN202320218437.7[P]. | 2023-02-15 00:00:00 . |
| MLA | 吴庆雄 et al. "一种桥面连续化装置" : CN202320218437.7. | 2023-02-15 00:00:00 . |
| APA | 吴庆雄 , 陈荣刚 , 黄育凡 , 林伟 , 杨益伦 , 郑程斌 et al. 一种桥面连续化装置 : CN202320218437.7. | 2023-02-15 00:00:00 . |
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Concrete-filled steel tubular (CFST) trusses have seen recent development and application in bridges found in mountainous regions with deep valleys, and especially in seismic zones. In this study, a hybrid CFST truss lightweight bridge was selected as the research object. This bridge is composited of CFST composite truss girders (superstructure) and CFST lattice piers (substructure). Two different finite element models (FEM) for nonlinear seismic response analysis, one is detailed model and the other is simplified model, were established. By comparing with the detailed model, the results of the shaking table test as well as the real bridge test, the simplified model was found to be accurate. Considering the CFST columns' edge strain, the most unfavorable input direction of horizontal ground motion was perpendicular to the connection line of the bearings at both ends of the main girder. Also, the simultaneous influence of vertical ground motion and horizontal ground motion needs to be taken into consideration. By increasing the intensity of input ground motion, the yielding order of CFST lattice piers and its effect on the seismic response were also discussed. Results indicated that the bridge was in the elastic stage for the designed seismic ground motion. After the CFST lattice piers reached the plastic stage, the displacement and in-plane bending moment had larger amplification coefficients compared to the increase coefficient of the input ground motion, while had a much smaller axial force amplification coefficient. Moreover, the in-plane bending moment had a larger amplification coefficient in high piers compared to short piers. © 2023 Tianjin University and John Wiley & Sons Australia, Ltd.
Keyword ：
Beams and girders Beams and girders Bending moments Bending moments Earthquakes Earthquakes Finite element method Finite element method Light weight concrete Light weight concrete Nonlinear analysis Nonlinear analysis Piers Piers Seismic response Seismic response Trusses Trusses
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| GB/T 7714 | Huang, Yufan , Chen, Lingjie , Wu, Qingxiong et al. Nonlinear dynamic response analysis of a hybrid concrete-filled steel tubular truss lightweight bridge under strong earthquakes [J]. | Earthquake Engineering and Resilience , 2023 , 2 (4) : 436-457 . |
| MLA | Huang, Yufan et al. "Nonlinear dynamic response analysis of a hybrid concrete-filled steel tubular truss lightweight bridge under strong earthquakes" . | Earthquake Engineering and Resilience 2 . 4 (2023) : 436-457 . |
| APA | Huang, Yufan , Chen, Lingjie , Wu, Qingxiong , Yuan, Huihui , Chen, Baochun , Nakamura, Shozo . Nonlinear dynamic response analysis of a hybrid concrete-filled steel tubular truss lightweight bridge under strong earthquakes . | Earthquake Engineering and Resilience , 2023 , 2 (4) , 436-457 . |
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The Anhai'ao Bridge located in Pingtan, Fujian is a three-span extradosed cable-stayed bridge with a main span of 150 m. For the first time, its design scheme adopted a fan-shape composite bridge tower composed of five CFST arched tower columns and curved steel pipes. In order to study the spatial force transmission mechanism of this new type of extradosed cable-stayed bridge, a 1:25 large-scale model was fabricated and a static loading test was performed. Combined with the finite element analysis results of the actual bridge, the loading state of the special-shaped main tower, main girder, and inhaul cable under different individual loads was discussed. The research results show that under the action of vehicle load, the CFST fan-shaped composite tower bears about 10% of the load through the inhaul cable, i.e., the live load distribution ratio between the main tower and the main girder was maintained at 1:9. Compared with the continuous girder bridge, the maximum strain and mid-span deflection of the main girder of the extradosed cable-stayed bridge can be reduced by about 10%. As the load level increased to 2.0 times the equivalent lane load, the deflection and strain of the main girder, the force increase of the inhaul cables, and the strain of each tower column of the main tower presented basically the same linearly changing trends. Under the action of vehicle load or foundation settlement, the middle tower column and the secondary tower column of the fan-shaped composite tower bore most of the load transmitted by the inhaul cables and their stress levels were relatively high, and the side tower column supported small force; the load distribution ratio of the middle tower column, the secondary tower column, and the side tower column was about 10:10:1; the steel tube at the junction of the curve section and the straight section and the bottom section of the tower column were the most unfavorable. Moreover, compared with the effects of vehicle load and foundation settlement, the CFST fan-shaped composite tower was more sensitive to the temperature effect, the overall stress levels of each tower column were equivalent, and the top section of the tower column had the highest stress. The above research results can provide references for subsequent research and design of similar structures. © 2022, Editorial Department of Journal of Hunan University. All right reserved.
Keyword ：
Cables Cables Cable stayed bridges Cable stayed bridges Finite element method Finite element method Loads (forces) Loads (forces) Prestressed concrete Prestressed concrete Towers Towers Tubular steel structures Tubular steel structures
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| GB/T 7714 | Yuan, Huihui , Chen, Ruling , Wu, Qingxiong et al. Research on Force Transmission Mechanism of Extradosed Cable-stayed Bridge with CFST Fan-shaped Composite Tower [J]. | Journal of Hunan University Natural Sciences , 2022 , 49 (3) : 32-42 . |
| MLA | Yuan, Huihui et al. "Research on Force Transmission Mechanism of Extradosed Cable-stayed Bridge with CFST Fan-shaped Composite Tower" . | Journal of Hunan University Natural Sciences 49 . 3 (2022) : 32-42 . |
| APA | Yuan, Huihui , Chen, Ruling , Wu, Qingxiong , Huang, Yufan . Research on Force Transmission Mechanism of Extradosed Cable-stayed Bridge with CFST Fan-shaped Composite Tower . | Journal of Hunan University Natural Sciences , 2022 , 49 (3) , 32-42 . |
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Abstract ：
以腊八斤特大桥11号主墩为原型,进行几何缩尺比例为1∶9.43的钢管混凝土(CFST)箱形叠合墩模型振动台试验,并结合空间杆系非线性有限元分析,开展强震作用下CFST箱形叠合墩的地震响应特性和地震破坏机理研究。结果表明:E2设计地震动作用下,缩尺模型和原型桥墩墩底塑性铰截面大部分处于受压状态,墩身表面未发现裂缝,结构处于弹性工作状态;地震动特性对CFST箱形叠合墩的地震响应有显著影响,9条经典地震波(PGA=0.05 g)中,Wenchuan-NS地震波作用下墩顶加速度响应和位移响应均达到最大,分别为最小地震响应工况的1.8倍和5.4倍;随着Wenchuan-NS地震波强度按照0.05 g的增...
Keyword ：
地震动特性 地震动特性 振动台试验 振动台试验 破坏机理 破坏机理 钢管混凝土箱形叠合墩 钢管混凝土箱形叠合墩 非线性地震响应 非线性地震响应
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| GB/T 7714 | 袁辉辉 , 佘智敏 , 吴庆雄 et al. 钢管混凝土箱形叠合墩振动台试验研究 [J]. | 工程力学 , 2021 , 38 (12) : 200-213 . |
| MLA | 袁辉辉 et al. "钢管混凝土箱形叠合墩振动台试验研究" . | 工程力学 38 . 12 (2021) : 200-213 . |
| APA | 袁辉辉 , 佘智敏 , 吴庆雄 , 黄育凡 , 陈康明 . 钢管混凝土箱形叠合墩振动台试验研究 . | 工程力学 , 2021 , 38 (12) , 200-213 . |
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Previous studies have proven that CFST (concrete-filled steel tube) battened built-up columns (CFST-BBCs) exhibit good hysteresis energy dissipation capacity and deformation capacity under lateral cyclic repeated loading. To further understand the elastoplastic seismic response characteristics of such composite structures under strong earthquakes, two pseudo-dynamic tests of 1/8-scaled CFST-BBC pier specimens were first performed. The acceleration records obtained in the 1995 Kobe Earthquake and the 2008 Wenchuan Earthquake were used to investigate how ground motion intensity, ground motion characteristics, and aftershocks affect the seismic response of the CFST-BBC pier. Meanwhile, an extensive time-history analysis of 17 fiber-based finite element models (FFEMs) under 20 different ground motions was performed to reveal the influence of the ground motion intensity, the same-intensity aftershock, and the main structural parameters on the elastoplastic seismic response of the CFST-BBC pier. Finally, a two-stage checking method suitable for the seismic performance of the CFST-BBC pier under the E1-level frequent earthquake and the E2-level rare earthquake was proposed. Verified by experimental and FFEM analysis results, the proposed checking method can accurately and effectively evaluate the strength and deformation capacity of the CFST-BBC piers under strong earthquakes.
Keyword ：
CFST battened Built-up column CFST battened Built-up column Elastoplastic seismic response Elastoplastic seismic response Pseudo-dynamic test Pseudo-dynamic test Seismic performance evaluation Seismic performance evaluation Time-history analysis Time-history analysis Two-stage checking method Two-stage checking method
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| GB/T 7714 | Yuan, Hui-hui , She, Zhi-min , Wu, Qing-xiong et al. Experimental and parametric investigation on elastoplastic seismic response of CFST battened built-up columns [J]. | SOIL DYNAMICS AND EARTHQUAKE ENGINEERING , 2021 , 145 . |
| MLA | Yuan, Hui-hui et al. "Experimental and parametric investigation on elastoplastic seismic response of CFST battened built-up columns" . | SOIL DYNAMICS AND EARTHQUAKE ENGINEERING 145 (2021) . |
| APA | Yuan, Hui-hui , She, Zhi-min , Wu, Qing-xiong , Huang, Yu-fan . Experimental and parametric investigation on elastoplastic seismic response of CFST battened built-up columns . | SOIL DYNAMICS AND EARTHQUAKE ENGINEERING , 2021 , 145 . |
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以腊八斤特大桥11号主墩为原型,进行几何缩尺比例为1∶9.43的钢管混凝土(CFST)箱形叠合墩模型振动台试验,并结合空间杆系非线性有限元分析,开展强震作用下CFST箱形叠合墩的地震响应特性和地震破坏机理研究.结果 表明:E2设计地震动作用下,缩尺模型和原型桥墩墩底塑性铰截面大部分处于受压状态,墩身表面未发现裂缝,结构处于弹性工作状态;地震动特性对CFST箱形叠合墩的地震响应有显著影响,9条经典地震波(PGA=0.05g)中,Wenchuan-NS地震波作用下墩顶加速度响应和位移响应均达到最大,分别为最小地震响应工况的1.8倍和5.4倍;随着Wenchuan-NS地震波强度按照0.05 g的增量逐级增大,墩顶加速度响应和墩顶位移响应基本呈线性增加,且加速度动力放大系数基本保持在6左右;采用基于纤维梁柱单元的有限元模型计算结果与试验结果吻合较好,进一步开展的非线性时程分析可知,PGA=0.30 g时墩底潜在塑性铰区域外包混凝土受拉侧发生开裂,在PGA=0.75 g时受拉侧钢管开始屈服;与单向地震作用相比,双向地震作用下墩顶位移响应峰值增大约6％,墩底截面最大内力响应增大约4％,说明双向地震同时作用对CFST箱形叠合墩地震响应的影响较小,在进行CFST箱形叠合墩的地震反应分析时,可沿顺桥向和横桥向分别输入水平地震动.
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| GB/T 7714 | 袁辉辉 , 佘智敏 , 吴庆雄 et al. 钢管混凝土箱形叠合墩振动台试验研究 [J]. | 工程力学 , 2021 , 38 (12) : 200-213 . |
| MLA | 袁辉辉 et al. "钢管混凝土箱形叠合墩振动台试验研究" . | 工程力学 38 . 12 (2021) : 200-213 . |
| APA | 袁辉辉 , 佘智敏 , 吴庆雄 , 黄育凡 , 陈康明 . 钢管混凝土箱形叠合墩振动台试验研究 . | 工程力学 , 2021 , 38 (12) , 200-213 . |
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The insufficiency of seismic performance data and the lack of seismic design provisions have affected the application and promotion of the CFST battened built-up column (CFST-BBC) pier in high-intensity areas. To understand the failure mechanism, the energy dissipation capacity, and the hysteretic behavior of the CFST-BBC pier, a total of seven test specimens subjected to lateral cyclic repeated loading were first tested. Meanwhile, a fiber-based finite element model (FFEM) was established by using OpenSees to simulate the seismic behavior of the CFST-BBC pier, and an extended parametric analysis was performed to clarify the impact of key parameters such as material strength, axial compression ratio and slenderness ratio on the seismic performance of the CFST-BBC pier. Finally, theoretical calculation methods for the lateral stiffness, lateral resisting strength and allowable deformation of the CFST-BBC pier were proposed and verified by comparing with experimental and analytical results. It is proved that the calculation results obtained by the proposed methods can effectively reflect the intrinsic characteristics of the seismic performance of the CFST-BBC pier and meet the accuracy requirements of practical engineering applications.
Keyword ：
CFST battened built-up column pier CFST battened built-up column pier Failure mechanism Failure mechanism Fiber-based finite element model Fiber-based finite element model Quasi-static test Quasi-static test Seismic performance Seismic performance Theoretical calculation methods Theoretical calculation methods
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| GB/T 7714 | Yuan, Hui-hui , Wu, Qing-xiong , Huang, Yu-fan et al. Experimental and theoretical studies on the seismic performance of CFST battened built-up column piers [J]. | ENGINEERING STRUCTURES , 2020 , 206 . |
| MLA | Yuan, Hui-hui et al. "Experimental and theoretical studies on the seismic performance of CFST battened built-up column piers" . | ENGINEERING STRUCTURES 206 (2020) . |
| APA | Yuan, Hui-hui , Wu, Qing-xiong , Huang, Yu-fan , She, Zhi-min . Experimental and theoretical studies on the seismic performance of CFST battened built-up column piers . | ENGINEERING STRUCTURES , 2020 , 206 . |
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