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| 1 | 丁基橡胶阻尼材料对基座减振的实验研究显示文摘安装机械设备的基座结构是振动传递到船体结构的重要通道。介绍一种丁基橡胶阻尼材料,测试丁基橡胶的材料损耗因子等动态性能,开展丁基橡胶阻尼材料对基座减振的实验研究。采用振动激励实验方案,对基座结构进行自由阻尼和约束阻尼处理后的振动传递特性实验,分析基座结构的阻尼处理方式和处理部位对振动插入损失的影响,实验结果对基座结构的阻尼减振设计和丁基橡胶阻尼材料的工程应用具有参考价值。 | 祝驰誉 温华兵 | 2015 | 造船技术2015，43，2： | 9 |
| 2 | 船体基座粘弹性复合阻尼减振性能试验研究显示文摘采用振动功率流法对基座至船体结构的振动传递特性进行了分析,通过模型试验研究基座结构的阻尼减振性能。结果表明:(1)基座结构粘贴复合阻尼减振胶板后,在0.5~5kHz频率范围内结构损耗因子大幅增加,以致加速度振级落差降低,减振效果明显;(2)分别对基座的腹板、腹板和肋板,以及基座整体结构粘贴复合阻尼减振胶板后,船体结构的平均振动加速度级衰减值最大可达7.7dB、11.3dB和12.0dB;将振动源安装在基座结构具有腹板支撑的正上方面板位置,与安装在腹板之间的面板位置相比,船体结构的振动加速度级可减少1~5dB。研究结果对船体基座的结构阻尼减振设计具有指导意义。 | 温华兵 王康乐 昝浩 刘林波 | 2014 | 中国造船2014，55，2： | 9 |
| 3 | Full-scale tests of wind effects on a long span roof structure显示文摘Full-scale measurements are regarded as the most reliable method to evaluate wind effects on large buildings and structures. Some selected results are presented in this paper from the full-scale measurement of wind effects on a long-span steel roof structure during the passage of Typhoon Fanapi. Some fi eld data, including wind speed and direction, acceleration responses, etc., were continuously and simultaneously recorded during the passage of the typhoon. Comprehensive analysis of the measured data is conducted to evaluate the typhoon-generated wind characteristics and its effects on a long-span steel roof. The fi rst four natural frequencies and their vibration mode shapes of the Guangzhou International Sports Arena(GISA) roof are evaluated by the stochastic subspace identifi cation(SSI) method and comparisons with those from fi nite element(FE) analysis are made. Meanwhile, damping ratios of the roof are also identifi ed by the SSI method and compared with those identifi ed by the random decrement method; the amplitude-dependent damping behaviors are also discussed. The fullscale measurement results are further compared with the corresponding wind tunnel test results to evaluate its reliability. The results obtained from this study are valuable for academic and professional engineers involved in the design of large-span roof structures. | Fu Jiyang Zheng Qingxing Wu Jiurong Xu An | 2015 | Earthquake Engineering and Engineering Vibration2015，14，2： | 5 |
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