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首页> 外文会议>XI National Seminar on Aerospace Structures on Experimental Techniques and Testing Methods Feb 8-9, 2002 Bangalore >Experimental investigations on instability of GRP plates under edge loads
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Experimental investigations on instability of GRP plates under edge loads

机译：边缘载荷下玻璃钢板不稳定性的实验研究

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摘要

The axis of location and the shape of the hole are important in assessing the strength under stability. It is observed that cutouts along the axis normal to loading direction takes more load and the holes with sharp corners resist more than the holes with smooth edges. Similarly changing the hole aspect ratio for the same area of the hole, if the longer dimension of the hole is placed along the direction of loading, it takes less load. In all the cases studied above, when the mode shape changes, it results in the increase in strength, which normally depends upon the aspect ratio of the plate, hole-size ratio, hole aspect ratio, boundary conditions and also the eccentricity of the hole as evident from the present study. Hence it is concluded that the influence of eccentricity of the hole on the strength of the plate is decisive and more experimental and theoretical investigations must be focused towards this end.
机译：位置轴和孔的形状对于评估稳定性下的强度很重要。可以看到，沿垂直于加载方向的轴的切口承受的载荷更大，并且具有尖角的孔比具有平滑边缘的孔的阻力更大。同样地，对于孔的相同区域，更改孔的长宽比，如果沿载荷方向放置较长尺寸的孔，则载荷较小。在上面研究的所有情况下，当众数形状改变时，都会导致强度增加，这通常取决于板的纵横比，孔尺寸比，孔纵横比，边界条件以及孔的偏心率从本研究中可以明显看出。因此可以得出结论，孔的偏心距对板强度的影响是决定性的，为此必须进行更多的实验和理论研究。

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