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Ausfachungen aus Ziegelmauerwerk in Stahlbetonrahmentragwerken unter Erdbebenbeanspruchung

机译:砖砌体在钢筋混凝土框架结构下砖砌体压力下的水彩

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Reinforced concrete frame structures with masonry infill often show severe damage after earthquakes. The reasons for this are the stresses brought to the infill walls due to the frame deformations in the wall plane and the simultaneously occurring inertial forces perpendicular to the wall plane in combination with the construction details of the masonry infills. The infill is usually rigidly connected with the mortar to the frame columns, with the upper joint being closed with mortar or polyurethane foam. In the event of an earthquake, this leads to local interactions between the infill and the frame, which can lead to the failure of individual infill walls or to the successive failure of the entire building. The observed damages were the motivation for the European research project INSYSME for reinforced concrete frame structures with infills made of high thermal insulating bricks, to develop innovative solutions for improving the seismic behaviour. This paper presents the solutions developed by the German project partners (University of Kassel, SDA-engineering GmbH) and compares their seismic behaviour with the traditional design of infill walls. Basis for the comparison are static-cyclic tests and simulations on the infilled frame level. The results are used to derive recommendations for the earthquake-proof design of reinforced concrete frames with infills made of masonry bricks.
机译:钢筋混凝土框架结构具有砌体填充潜水率经常在地震后显示出严重的伤害。由于壁平面中的框架变形以及垂直于壁平面的同时发生的惯性力,与壁平面的同时发生的惯性力与砌体填充的施工细节相结合,这是填充壁带来的应力。填充物通常与砂浆刚性连接到框架柱,上部接头用砂浆或聚氨酯泡沫封闭。如果发生地震,这导致填充和框架之间的局部相互作用,这可能导致单个填充墙壁或整个建筑物的连续故障导致失败。观察到的损害是欧洲研究项目Insysme的动机,用于钢筋混凝土框架结构,具有高热绝缘砖的填充物,为提高地震行为开发创新解决方案。本文介绍了德国项目合作伙伴(卡塞尔大学,SDA-Engineering GmbH)开发的解决方案,并将其与传统填充墙的设计进行了震动行为。比较的基础是缺陷帧水平的静态循环测试和仿真。结果用于推导出钢筋混凝土框架的抗震设计建议,其中含有由砌体砖制成的填充物。

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