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首页> 外文期刊>Bulletin of earthquake engineering >Rubble stone masonry walls in Portugal strengthened with reinforced micro-concrete layers
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Rubble stone masonry walls in Portugal strengthened with reinforced micro-concrete layers

机译：葡萄牙的瓦砾石砌墙采用增强的微混凝土层进行了加固

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摘要

This paper describes and analyses the performance of two structural strengthening solutions for rubble stone masonry walls. The strengthening solutions are characterised by: sprayed micro-concrete steel reinforced layers on both lateral faces of the walls, with transversal steel ties through the thickness of the specimens, not in contact with the base of the loading systems; sprayed micro-concrete steel reinforced layers on lateral faces of the specimens, without transversal steel ties but in contact with the base of the loading systems. For the first solution three specimens were tested under axial compression load and three under compression-shear load, and for the second solution three specimens were tested under axial compression load. The results are compared with unstrengthened (reference) specimens. Strengthening solutions of this nature have been used in the rehabilitation of old masonry walls in Portugal, particularly in Lisbon downtown, and in the rehabilitation of some Azores buildings after the 1998 earthquake.
机译：本文描述并分析了两种结构加固解决方案对碎石砌体墙的性能。加强解决方案的特征是：在壁的两个侧面上喷涂微混凝土钢筋层，在整个试样厚度范围内具有横向钢筋，不与加载系统的底部接触;在试样的侧面喷涂了微混凝土钢筋层，没有横向钢筋，但与加载系统的底部接触。对于第一种溶液，在轴向压缩载荷下测试了三个样本，在压缩剪切载荷下测试了三个样本，对于第二种溶液，在轴向压缩负载下测试了三个样本。将结果与未加强（参考）的样本进行比较。这种性质的增强解决方案已用于葡萄牙（尤其是里斯本市中心）旧砖石墙的修复，以及1998年地震后亚速尔群岛一些建筑物的修复。

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