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首页> 外文期刊>International journal of structural integrity >A survey of hysteresis energy distribution and lateral displacement in steel buildings with CCB brace at internal and external frames
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A survey of hysteresis energy distribution and lateral displacement in steel buildings with CCB brace at internal and external frames

机译：带有内外框架的CCB支撑的钢结构建筑的滞回能量分布和横向位移的调查

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Purpose - The purpose of this paper is to study the method of hysteresis energy distribution and maximum relative lateral displacement in buildings' stories, under the influence of scaled records for near-fault and far-fault earthquakes. The bracings in the considered buildings' plan are distributed in two different ways: in the first case, the braces are added in external frames of the building, and in the second case, in the internal ones. Design/methodology/approach - This research first selects some steel buildings with concentric braces and studies the seismic vulnerability of buildings under different earthquakes in accordance with the concepts of input and Hysteresis energy. In order to study the impact of braces' distribution in the building's plan, the buildings were modeled in this study in two ways. In the first way the braces were added to the building's external frames and in the second way in its internal ones. Findings - Results show that the need for far-fault scaled records' displacement is more than the near ones and that the resultant relative lateral displacements in buildings with external braces are more than those with internal ones. Originality/value - After these studies on the way of hysteresis energy distribution, it was shown that in case of buildings with internal braces, as the building's height increases, the share of higher stories of the hysteresis energy rises. Also, it was illustrated that hysteresis energy distribution in buildings with internal braces is more uniform than those with external ones.
机译：目的-本文的目的是研究在近断层和远断层地震的缩放记录的影响下，建筑物故事中的滞后能量分布和最大相对横向位移的方法。所考虑的建筑物计划中的支撑以两种不同的方式分布：第一种情况下，将支撑添加到建筑物的外部框架中，第二种情况下，将支撑添加到内部框架中。设计/方法/方法-本研究首先选择一些具有同心花括号的钢结构建筑物，并根据输入和磁滞能量的概念研究建筑物在不同地震下的地震易损性。为了研究支撑分布在建筑物计划中的影响，本研究以两种方式对建筑物进行了建模。第一种方法是将支架添加到建筑物的外部框架中，第二种方法是将其添加到建筑物的内部框架中。研究结果-结果表明，远距离缩放记录的位移需要比近距离位移更大，并且带有外部支撑的建筑物所产生的相对横向位移比具有内部支撑的建筑物要大。原创性/价值-对滞后能量分布方式进行了这些研究之后，结果表明，对于带有内部支撑的建筑物，随着建筑物的高度增加，滞后能量的较高层级所占的比例也会增加。另外，还说明了具有内部支撑的建筑物中的滞后能量分布比具有外部支撑的建筑物中的滞后能量分布更均匀。

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