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Shock-Absorbing Blocks Made of HPFRCC for Better Girder-End Structures

机译:HPFRCC制成的减震块,用于更好的GiRder-End结构

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The authors intend to propose shock-absorbing blocks to be placed at the girder-ends of bridges with the aim of reducing the joint gaps. These blocks are made to have an effect of alleviating possible colliding forces between main girders and the parapet walls of abutments during an earthquake, as well as an effect of restraining the displacement of superstructures. The post-earthquake restorability of these blocks is also considered. Static loading tests in horizontal and vertical directions were conducted on these blocks to investigate their properties. These shock-absorbing blocks showed excellent deformability and were found to be capable of reducing the girder-end joint gaps.
机译:作者打算提出放置缓冲块,以放置在桥梁的梁末端,目的是降低关节间隙。使这些块具有在地震期间减轻主梁和支座壁壁之间可能的碰撞力的效果,以及限制上层建筑置换的效果。还考虑了这些块的后地震可恢复性。在这些块上进行水平和垂直方向的静态加载试验,以研究它们的性质。这些减震块显示出优异的可变形性,并且发现能够减少缩窄末端关节间隙。

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