日本兵库县南部地震强地震动的传播特性

Preliminary Discussion on Earthquake Resistance Problems of Adding Storeys to Buildings

依据神户海洋气象台、大阪气象台、神户港岛、神户大学、神户本山小学、尼崎及大阪福岛的强震记录，分析了强地震的走时和传播特性，指出大阪盆地的厚沉积层是造成Ｓｔ波在神户和大阪到时发生延迟的原因，由于断层在空间上的分布造成一些强震记录的波形差异。

The real cases of adding storeys to buildings were recounted,it was suggested that the factors of earthquake resistance of build site,structure and material should be paid attention before the storeys will be added to the original building,especially which the buildings lacat at the focal monitoring and preparedness areas.