| 地面建筑倾倒方向与强震地面运动 |
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| 引用本文： | 王景明.地面建筑倾倒方向与强震地面运动[J].地震学报,1982,4(1):90-97. |
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| 作者姓名： | 王景明 |
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| 作者单位： | 陕西省地震局 |
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| 摘 要： | 本文通过对1976年唐山地震及其7.1级强余震宏观现象的分析,指出强震引起地面运动及建筑物的倒塌具有一定的优势方向。但同一地区不同强震引起的地面运动及建筑物的倒塌方向常不相同。发现强震高烈度区存在许多震害轻重相间的异常条带,其延伸方向大体上与地震断层平行。这种规律,给地震危险区内的各类工程、土木建筑的抗震设计提供了一些新的依据。
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DIRECTION OF FALL OF SURFACE STRUCTURES AND GROUND MOTION DURING STRONG EARTHQUAKES |
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| Abstract: | Based on the analysis of macroscopic phenomena as observed at the earthquake sites after the 1976 Tangshan Earthquake and its strong aftershock of magnitude 7.1, it seems apparent that ground motion and the fall of the surface structures during the strong earthquakes have definite predominant directions. For a given region, such effects of different earthquakes are usually different.Within the high intensity zones, there appear many parallel alternately high and low destructive belts. They are generally parallel to the earthquake fault. The result of the observations might provide new basis for various anti-seismic engineering designs. |
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