真空平板玻璃动态响应数值计算与试验研究
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国家青年科学基金资助项目(51302242);国家自然科学基金资助项目(51172199,51372216);江苏省自然科学基金资助项目(BK2012530);江苏省产学研联合创新资金计划(SBY201120191);江苏省科技支撑(社会发展)项目(BE2010700);江苏省普通高校研究生科研创新计划(CXLX11_1002)


Numerical Calculation and Experimental Research on DynamicResponse of Vacuum Plate Glass
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    摘要:

    采用弹性动力学方法,建立了真空平板玻璃的动力学分析模型,计算出真空平板玻璃在动态载荷下的响应特性.通过对真空平板玻璃动态特性的试验研究,得到了其动态响应特性,并对比了试验结果与计算结果,验证了理论分析的可靠性.试验结果表明:随着振动频率的增加,真空平板玻璃动态响应呈先增加后减小的变化趋势,随着与中心处距离的增大,真空平板玻璃动态响应呈减小的趋势;当外部激振频率达到50Hz时,真空平板玻璃会产生强烈的共振现象,从而破坏真空平板玻璃正常工作特性,影响其结构可靠性及工作稳定性.

    Abstract:

    By using elastic dynamics methods, the dynamic analysis model of the vacuum plate glass was built. The response characteristic of the vacuum plate glass under dynamic loading was calculated. The dynamic response characteristic of the vacuum plate glass was obtained through experiments. And the reasonability of the theoretical analysis method was verified by comparing the experimental results with theoretical analysis results. This provides important basis for monitoring of application, service life prediction and structural improvement design of the vacuum plate glass. The experimental results show that the dynamic response of the vacuum plate glass is enhanced to a maximum and then reduces with increasing the vibration frequency. The dynamic response of the vacuum plate glass reduces with the increase of the distance to the center of the vacuum plate glass. When external excitation frequeny reaches 50Hz, strong resonance phenomenon is observed in the vacuum plate glass. Normal operation properties of the vacuum plate glass are damaged, and its structural reliability and working stability is adversely affected.

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缪宏,奚小波,左敦稳,张剑峰,张瑞宏,王海耀.真空平板玻璃动态响应数值计算与试验研究[J].建筑材料学报,2014,17(1):153-158

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  • 收稿日期:2012-08-05
  • 最后修改日期:2012-12-04
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  • 在线发布日期: 2014-03-12
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