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中孟基本风速及地震动主要参数对比

Comparative Study on Basic Wind Speed and the Main Parameters of Ground Motions in China and Bangladesh

  • 摘要: 通过对中孟规范基本风速定义中的地面粗糙度类别、标准高度、重现期、时距等要素进行逐一对比分析,得出两国规范中基本风速定义的异同,并进一步探讨了两国规范间基本风速的转换方法。另外通过对中孟规范中的地面峰值加速度、地震超越概率、抗震设防目标等进行对比,进而提出了在孟加拉项目中如何将孟加拉规范的地震动参数转换为中国规范进行设计的建议。可为今后孟加拉项目的风荷载和地震荷载设计提供参考。

     

    Abstract: The same and different points of basic wind speed were obtained after analyzing the elements of basic wind speed such as category of ground surface roughness, standard height, mean recurrence interval, time interval etc. in Chinese code and Bangladesh code. Based on comparison and analysis results of basic wind speed, further discussion was made to the conversion of basic wind speed in the two different codes. Furthermore, by the comparison and analysis between the seismic design codes of China and Bangladesh about peak ground acceleration, exceedance probability, the seismic fortification objective of buildings etc., the conversion relationships between the parameters of ground motions in Chinese code and Bangladesh code are proposed to provide. Hope to give some reference for wind load and seismic design of overseas projects in the future.

     

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