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学者姓名:何浩祥

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< Page ,Total 34 >
Coupled Vibration of a Vehicle Group-Bridge System and Its Application in the Optimal Strategy for Bridge Health Monitoring SCIE
期刊论文 | 2024 , 14 (12) | APPLIED SCIENCES-BASEL
WoS CC Cited Count: 1
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Abstract :

The accuracy of bridge performance monitoring and evaluation is easily affected by unfavorable factors such as vehicle coupling and test noise. In order to accurately evaluate the dynamic response and health monitoring threshold of the bridge under different operating conditions, a time-varying dynamic vehicle group model including the main uniform mass and the coupling mass was established, and the influence of road roughness was considered in the coupling equation. A bridge monitoring strategy considering signal noise ratio and vehicle-bridge interaction was proposed, and the effectiveness of the monitoring strategy was verified by taking a simple supported beam as an example. The results showed that the proposed time-varying dynamic vehicle group model could accurately consider the influence of road roughness and estimate the threshold of health monitoring, and the proposed bridge monitoring strategy could filter out a large amount of low signal-to-noise ratio or meaningless data, thus saving computing resources and realizing the lightweight safety monitoring of bridges.

Keyword :

coupling vibration coupling vibration road roughness road roughness monitoring strategy monitoring strategy bridge health monitoring bridge health monitoring vehicle group-bridge system vehicle group-bridge system

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GB/T 7714 Yan, Xiaoyu , Zhao, Zhuo , He, Haoxiang . Coupled Vibration of a Vehicle Group-Bridge System and Its Application in the Optimal Strategy for Bridge Health Monitoring [J]. | APPLIED SCIENCES-BASEL , 2024 , 14 (12) .
MLA Yan, Xiaoyu 等. "Coupled Vibration of a Vehicle Group-Bridge System and Its Application in the Optimal Strategy for Bridge Health Monitoring" . | APPLIED SCIENCES-BASEL 14 . 12 (2024) .
APA Yan, Xiaoyu , Zhao, Zhuo , He, Haoxiang . Coupled Vibration of a Vehicle Group-Bridge System and Its Application in the Optimal Strategy for Bridge Health Monitoring . | APPLIED SCIENCES-BASEL , 2024 , 14 (12) .
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一种具有抗扭抗倾覆功能的万向分级屈服联合减震装置 incoPat zhihuiya
专利 | 2022-10-03 | CN202211217406.6
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Abstract :

本发明公开了一种具有抗扭抗倾覆功能的万向分级屈服联合减震装置,包括分阶段屈服且刚度增强型阻尼器、抗扭板;所述分阶段屈服且刚度增强型阻尼器由上盖板、内筒、外筒、詹氏挂钩、滑块、滑槽、限位环、下盖板组成;所述抗扭板由上连接板、下连接板、腹板、弹簧组成;分阶段屈服且刚度增强型阻尼器沿结构高度方向布置,并通过螺栓将上盖板、下盖板与结构的预埋钢板相连;抗扭板沿结构宽度方向通过结构胶与结构相连;该装置可通过使用结构胶粘结、焊板焊接及对拉螺栓连接的方式,将该联合减震装置安装在结构层间或安装在结构底部形成基础隔震层。

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GB/T 7714 程扬 , 何浩祥 , 孙澔鼎 et al. 一种具有抗扭抗倾覆功能的万向分级屈服联合减震装置 : CN202211217406.6[P]. | 2022-10-03 .
MLA 程扬 et al. "一种具有抗扭抗倾覆功能的万向分级屈服联合减震装置" : CN202211217406.6. | 2022-10-03 .
APA 程扬 , 何浩祥 , 孙澔鼎 , 张耀源 . 一种具有抗扭抗倾覆功能的万向分级屈服联合减震装置 : CN202211217406.6. | 2022-10-03 .
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具有旋转和调谐质量减振功能的桥墩垂直绿化模块 incoPat zhihuiya
专利 | 2022-05-22 | CN202210559144.5
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Abstract :

本发明公开了具有旋转和调谐质量减振功能的桥墩垂直绿化模块,包括桥墩墩身、固定钢轨、不锈钢网架、滑动钢轨、螺栓、角钢、种植模块、桥墩缓冲吸能橡胶垫层、灌溉管道、储水箱、水泵、种植模块的种植盒部分、种植模块的缓震部分和弹簧。种植模块框架与滑轨连接实现绕墩身方向的转动,种植模块套设于种植模块框架上,种植模块由内部的弹簧和种植模块的质量与种植模块框架进行调谐减震控制,减小由地震或风荷载产生的桥墩主体和绿色模块的振动,提高了桥梁的安全度。本发明具有满足桥墩绿化的要求,提高了桥墩的抗震性能。

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GB/T 7714 何浩祥 , 张腾 , 张耀源 et al. 具有旋转和调谐质量减振功能的桥墩垂直绿化模块 : CN202210559144.5[P]. | 2022-05-22 .
MLA 何浩祥 et al. "具有旋转和调谐质量减振功能的桥墩垂直绿化模块" : CN202210559144.5. | 2022-05-22 .
APA 何浩祥 , 张腾 , 张耀源 , 田书宇 . 具有旋转和调谐质量减振功能的桥墩垂直绿化模块 : CN202210559144.5. | 2022-05-22 .
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具有监测和发声预警功能的轴接式耗能杆件结构 incoPat zhihuiya
专利 | 2022-05-24 | CN202210576005.3
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Abstract :

本发明公开了具有监测和发声预警功能的轴接式耗能杆件结构,包括粘滞阻尼器、销栓、上弦杆、下弦杆、竖腹杆、气流泵发器、旋涡哨、簧片哨、拾音器、来复线、单向阀和弹簧片;粘滞阻尼器为轴接式耗能装置,粘滞阻尼器两端连接由销栓,并通过销栓分别与上弦杆和下弦杆形成固接;上弦杆和下弦杆之间通过竖腹杆进行固接;在正常使用的情况下,该杆件通过发声器实时发出不同频率的声波转化为电信号,达到实时监测及预警的效果。该耗能杆件结构通过阻尼器进行耗能,具有足够的延性,从而可以减轻工程结构主体的振动和损伤。解决了复杂结构内部性能等难以监测的问题。

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GB/T 7714 何浩祥 , 田书宇 , 张腾 et al. 具有监测和发声预警功能的轴接式耗能杆件结构 : CN202210576005.3[P]. | 2022-05-24 .
MLA 何浩祥 et al. "具有监测和发声预警功能的轴接式耗能杆件结构" : CN202210576005.3. | 2022-05-24 .
APA 何浩祥 , 田书宇 , 张腾 , 张耀源 . 具有监测和发声预警功能的轴接式耗能杆件结构 : CN202210576005.3. | 2022-05-24 .
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Experimental and performance analysis of the combined damping system with a TMD and a multiple unidirectional single-particle damper SCIE
期刊论文 | 2022 , 540 | JOURNAL OF SOUND AND VIBRATION
WoS CC Cited Count: 15
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Abstract :

Although the tuned mass damper (TMD) is characterized by simple construction, a definite damping mechanism, and a strong damping effect, a narrow damping frequency band, a detuning effect, and large occupied space limit its application in practical engineering. Particle dampers have the advantages of damping frequency bandwidth and small space, but the damping effect is unsatisfactory. Therefore, a new combined damping system (CTP) containing a TMD and a multiple unidirectional single-particle damper (MUSPD) was developed. A series of shaking table tests for a controlled and uncontrolled structure were conducted to investigate the performance of the system, and the damping effects of a TMD, MUSPD and CTP subjected to harmonic excitation, normal ground motions, rock ground motions, and soft ground motions were compared and analyzed. Finally, a mechanical model of the CTP and corresponding numerical simulation method were developed based on its damping mechanism. The results indicate that a CTP can effectively integrate the advantages of a TMD and MUSPD, and exhibits a better damping effect, wider damping frequency band, and stronger robustness. The shaking table test demonstrates the rationality and feasibility of a simulation method for a CTP.

Keyword :

Shaking table test Shaking table test Tuned mass damper Tuned mass damper Numerical simulation Numerical simulation Structural vibration control Structural vibration control Particle damper Particle damper

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GB/T 7714 Wang, Bao-Shun , He, Hao-Xiang , Chen, Yi-Fei et al. Experimental and performance analysis of the combined damping system with a TMD and a multiple unidirectional single-particle damper [J]. | JOURNAL OF SOUND AND VIBRATION , 2022 , 540 .
MLA Wang, Bao-Shun et al. "Experimental and performance analysis of the combined damping system with a TMD and a multiple unidirectional single-particle damper" . | JOURNAL OF SOUND AND VIBRATION 540 (2022) .
APA Wang, Bao-Shun , He, Hao-Xiang , Chen, Yi-Fei , Cheng, Shi-Tao . Experimental and performance analysis of the combined damping system with a TMD and a multiple unidirectional single-particle damper . | JOURNAL OF SOUND AND VIBRATION , 2022 , 540 .
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Generalized dynamic amplification coefficient spectrum of ground motion and its characteristics EI
期刊论文 | 2021 , 40 (5) , 170-178 | Journal of Vibration and Shock
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Abstract :

The traditional spectrum of seismic dynamic amplification coefficient is determined according to the maximum acceleration of ground motion and that of structure not fully considering the non-stationarity in time domain. By comparing the occurring time of the maximum response of different periodic structures and that of ground motion peak values, it is verified that ground motion extreme peak values have important actions on structural response. Here, the concept of equivalent dynamic amplification coefficient spectrum considering actions of several extreme ground motion peak values was proposed. The statistical spectrum of different site types was calculated and its conservation was verified. In view of the rationality of the standard deviation spectrum of dynamic amplification coefficient considering the non-stationarity in frequency domain, the correlation statistical spectrum was calculated and its spectral values were confirmed to be higher in the long period duration. Comprehensively considering characteristics of traditional spectrum, equivalent spectrum and standard deviation spectrum, the concept of generalized dynamic amplification coefficient spectrum with sufficient conservation was proposed based on three kinds of spectral outer envelope. The fitting formula for the ratio of generalized dynamic amplification coefficient spectrum to traditional spectrum was established. Through examples, it was verified that structural aseismic design or checking calculation according to the generalized dynamic amplification coefficient spectrum has higher safety. © 2021, Editorial Office of Journal of Vibration and Shock. All right reserved.

Keyword :

Statistics Statistics Frequency domain analysis Frequency domain analysis

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GB/T 7714 He, Haoxiang , Ding, Jiawei , Cheng, Shitao . Generalized dynamic amplification coefficient spectrum of ground motion and its characteristics [J]. | Journal of Vibration and Shock , 2021 , 40 (5) : 170-178 .
MLA He, Haoxiang et al. "Generalized dynamic amplification coefficient spectrum of ground motion and its characteristics" . | Journal of Vibration and Shock 40 . 5 (2021) : 170-178 .
APA He, Haoxiang , Ding, Jiawei , Cheng, Shitao . Generalized dynamic amplification coefficient spectrum of ground motion and its characteristics . | Journal of Vibration and Shock , 2021 , 40 (5) , 170-178 .
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质量调谐-颗粒阻尼器复合减振体系的力学解析及优化分析 CSCD
期刊论文 | 2021 , (06) , 191-208 | 工程力学
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Abstract :

针对调谐质量阻尼器(TMD)和颗粒阻尼器的减振特点及各自不足,提出将并联式单向单颗粒阻尼器(PSSPD)与TMD有机结合的复合减振技术方案—PSSPD与TMD并联体系。在深入剖析其减振特性的基础上,将颗粒与受控结构之间的碰撞力等效为脉冲力,建立复合减振体系力学模型和方程。采用时域和频域结合的方法并对模型进行分析并求解,使求解过程直接、无需求解微分方程且易于求解特殊激励形式动力响应。提出简谐激励下复合减振结构系统的最优减振参数设计方法,对该系统进行性能参数分析,验证了力学模型的精度及优化方法的可行性。建立该复合减振体系在地震动下的参数优化方法并对其合理性和准确性进行验证。最后,对PSSPD、TM...

Keyword :

减振机理 减振机理 颗粒阻尼器 颗粒阻尼器 结构振动控制 结构振动控制 优化分析 优化分析 调谐质量阻尼器 调谐质量阻尼器

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GB/T 7714 王宝顺 , 何浩祥 , 闫维明 . 质量调谐-颗粒阻尼器复合减振体系的力学解析及优化分析 [J]. | 工程力学 , 2021 , (06) : 191-208 .
MLA 王宝顺 et al. "质量调谐-颗粒阻尼器复合减振体系的力学解析及优化分析" . | 工程力学 06 (2021) : 191-208 .
APA 王宝顺 , 何浩祥 , 闫维明 . 质量调谐-颗粒阻尼器复合减振体系的力学解析及优化分析 . | 工程力学 , 2021 , (06) , 191-208 .
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地震动广义动力放大系数谱及其特性研究 CSCD
期刊论文 | 2021 , 40 (05) , 170-178 | 振动与冲击
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Abstract :

传统地震动力放大系数谱是根据地震动最大加速度和结构最大加速度而确定的,没有充分虑及时域非平稳性。通过比较不同周期结构最大反应出现时刻和地震动峰值出现时刻,验证极大峰值对结构反应同样有重要的作用。提出考虑若干极大峰值作用的等效动力放大系数谱的概念,计算不同场地类型下的统计谱并验证其保守性。鉴于考虑频域非平稳性的动力放大系数标准差谱的合理性,计算相关统计谱并确认其在长周期段谱值较高。综合考虑传统谱、等效谱和标准差谱的特点,基于三种谱外包络提出具有足够的保守性的广义动力放大系数谱的概念。建立广义动力放大系数谱与传统谱的比值拟合公式。通过算例验证按广义动力放大系数谱进行结构抗震设计或验算具有更高的安全...

Keyword :

反应谱 反应谱 地震动 地震动 标准差谱 标准差谱 动力放大系数 动力放大系数 抗震设计 抗震设计

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GB/T 7714 何浩祥 , 丁佳伟 , 程时涛 . 地震动广义动力放大系数谱及其特性研究 [J]. | 振动与冲击 , 2021 , 40 (05) : 170-178 .
MLA 何浩祥 et al. "地震动广义动力放大系数谱及其特性研究" . | 振动与冲击 40 . 05 (2021) : 170-178 .
APA 何浩祥 , 丁佳伟 , 程时涛 . 地震动广义动力放大系数谱及其特性研究 . | 振动与冲击 , 2021 , 40 (05) , 170-178 .
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地震动广义动力放大系数谱及其特性研究 CQVIP
期刊论文 | 2021 , 40 (5) , 170-178 | 何浩祥
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Abstract :

地震动广义动力放大系数谱及其特性研究

Keyword :

反应谱 反应谱 动力放大系数 动力放大系数 标准差谱 标准差谱 抗震设计 抗震设计 地震动 地震动

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GB/T 7714 何浩祥 , 丁佳伟 , 程时涛 et al. 地震动广义动力放大系数谱及其特性研究 [J]. | 何浩祥 , 2021 , 40 (5) : 170-178 .
MLA 何浩祥 et al. "地震动广义动力放大系数谱及其特性研究" . | 何浩祥 40 . 5 (2021) : 170-178 .
APA 何浩祥 , 丁佳伟 , 程时涛 , 振动与冲击 . 地震动广义动力放大系数谱及其特性研究 . | 何浩祥 , 2021 , 40 (5) , 170-178 .
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Mechanical Model and Optimization Analysis of Multiple Unidirectional Single-Particle Damper SCIE
期刊论文 | 2021 , 147 (7) | JOURNAL OF ENGINEERING MECHANICS
WoS CC Cited Count: 12
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Abstract :

Particle dampers have good performance of vibration control and noise reduction, and they have been widely studied and applied in the field of high-frequency vibration control, such as aviation and mechanical engineering. However, the vibration characteristics of civil engineering structures are usually low frequency and low amplitude, which restricts the performance of particle dampers. A new type of particle damper, namely the multiple unidirectional single-particle damper (MUSPD), is advanced based on the comparative analysis of the construction characteristics, damping performance, and damping mechanism of a single-particle damper and multiparticle damper. Based on the analysis of the damping mechanism of MUSPD and the integral consideration of the stress state of particles, the mechanical model of MUSPD is established, and an efficient numerical calculation method with variable step size is proposed. For harmonic excitation, the relationship between the optimal motion distance of a particle and other parameters is established by theoretical analysis. In addition, the optimization analysis method of MUSPD subjected to ground motions is proposed, and the rationality and accuracy are all verified. The results show that MUSPD has a better damping effect than a classical particle damper. Because the MUSPD belongs to acceleration (force)-related dampers, the energy of the controlled structure will be transferred as long as the particles collide with the controlled structure, and the frequency richness and randomness of the ground motion spectrum enhance the probability of particles colliding with the controlled structure. Moreover, the site effect has no obvious influence on the damping effect of MUSPD, and it is more suitable for middle- and low-rise structures.

Keyword :

Structure control Structure control Damping mechanism Damping mechanism Collision Collision Optimal collision distance Optimal collision distance Seismic control Seismic control Particle damper Particle damper

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GB/T 7714 He, Haoxiang , Wang, Baoshun , Yan, Weiming . Mechanical Model and Optimization Analysis of Multiple Unidirectional Single-Particle Damper [J]. | JOURNAL OF ENGINEERING MECHANICS , 2021 , 147 (7) .
MLA He, Haoxiang et al. "Mechanical Model and Optimization Analysis of Multiple Unidirectional Single-Particle Damper" . | JOURNAL OF ENGINEERING MECHANICS 147 . 7 (2021) .
APA He, Haoxiang , Wang, Baoshun , Yan, Weiming . Mechanical Model and Optimization Analysis of Multiple Unidirectional Single-Particle Damper . | JOURNAL OF ENGINEERING MECHANICS , 2021 , 147 (7) .
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