Field Assessment of Unreinforced Masonry Walls Strengthened with Fiber Reinforced Polymer Laminates
Field Assessment of Unreinforced Masonry Walls Strengthened with Fiber Reinforced Polymer Laminates
复制标题
用纤维增强聚合物层压板加固的无筋砌体墙的现场评估
DOI：
10.1061/(asce)0733-9445(2003)129:8(1047
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发表时间：
2003
期刊：
影响因子：
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通讯作者：
A. Nanni
中科院分区：
文献类型：
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作者：
J. G. Tumialan;N. Galati;A. Nanni
在密苏里州圣路易斯市的一座退役建筑中，用复合材料加固的未加固砖墙(URM)进行了破坏测试。墙体承受平面外荷载。以前关于URM以及用纤维增强聚合物(FRP)层压板加固的配筋砖墙的工作已经显示出在承载力和延性方面的显着提高。然而，这些研究工作大多是在实验室进行的，在实验室里很难再现真实的野外条件。在这种情况下，这个实验计划提供了一个独特的机会，在URM墙加固的FRP层板上进行现场实验，表明剪切压缩导致了上界或下界砌体单元的破坏。文中还给出了与实验结果吻合较好的分析模型。该模型计算施加的集中面外载荷、中高挠度和支承处的旋转。分析模型可以很容易地修改为...
Unreinforced masonry (URM) walls strengthened with composites were tested to failure at a decommissioned building in St. Louis, Missouri. The walls were subjected to out-of-plane loading. Previous work on URM as well as reinforced masonry walls strengthened with fiber reinforced polymer (FRP) laminates has shown remarkable increases in capacity and ductility. However, most of this research work has been conducted in the laboratory, where, it is difficult to reproduce real field conditions. In this context, this experimental program offered a unique opportunity for performing field experimentation on URM walls strengthened FRP laminates showing that shear compression led to controlling the failure of either the upper or lower boundary masonry units. An analytical model that provides good agreement with the experimental results is also presented. The model computes the applied concentrated out-of-plane load, midheight deflection, and rotations at the supports. The analytical model can be easily modified to ...