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首页> 外文期刊>Magazine of Concrete Research >Effects of masonry infill walls with openings on seismic behaviour of long-span GLD RC frames
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Effects of masonry infill walls with openings on seismic behaviour of long-span GLD RC frames

机译:带开口的砌体填充墙对大跨度GLD RC框架抗震性能的影响

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摘要

Five long-span reinforced concrete (RC) frame specimens with various configurations of masonry infill walls were tested under lateral quasi-static cyclic loading. The specimens were half-scale models of gravity-load-designed (GLD) RC frames of typical school buildings, and comprised one bare frame and four frames with either a full infill, partial-height infill, central-opening infill or side-opening infill. All the specimens were heavily instrumented with strain and displacement sensors to gain in-depth information on the interaction effects between the frame and infill walls. The test results showed that the interaction mechanism varies greatly from case to case. For example, the fully infilled wall behaved like two inclined compression-only struts but with characteristics quite different from those of conventional diagonal struts. The infill wall with a side opening behaved just like one strut, actively engaging only when the wall was pushed by the frame, and thus creating an unsymmetrical cyclic force-deformation behaviour of the infill frame.
机译:在横向准静态循环荷载下测试了五个具有不同构筑物填充墙构型的大跨度钢筋混凝土(RC)框架标本。标本是典型学校建筑的重力荷载设计(GLD)RC框架的半比例模型,包括一个裸框架和四个框架,其中包括全填充,半高填充,中央开口填充或侧开口填充。所有标本都配备了应变和位移传感器,以获取关于框架和填充墙之间相互作用影响的深入信息。测试结果表明,交互机制因情况而异。例如,完全填充的墙的行为就像两个倾斜的仅受压支柱,但其特性与传统的对角支柱截然不同。具有侧面开口的填充壁的行为就像一个支柱,仅在壁被框架推动时才主动接合,从而产生填充框架的非对称循环力-变形行为。

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