足尺蒸压加气混凝土砌块填充墙RC框架抗震性能试验研究

发布时间：2018-04-05 03:29

本文选题：足尺　切入点：蒸压加气混凝土砌块　出处：《土木工程学报》2015年08期

【摘要】：砌体填充墙框架结构是当前一种应用广泛的结构形式。文中进行10个足尺蒸压加气混凝土砌块填充墙RC框架在低周反复荷载下的抗震性能试验,探讨墙体与框架连接构造、墙体本身构造措施等因素对框架整体抗震特性的影响。研究表明:1蒸压加气混凝土砌块填充墙可显著提高混凝土框架的水平承载能力,与纯框架相比,普通的填充墙框架试件的屈服、峰值、极限荷载分别提高了31%~159%、51%~156%、45%~123%;2相比普通构造的框架填充墙,采用柔性连接或与柱脱开构造时,填充墙对混凝土框架的承载力、变形性能、刚度、耗能等影响降低,特别是前期服役性能。另外,采用拉结筋的连接方式比采用L形铁件更加直接、有效。这将为蒸压加气混凝土砌块填充墙框架抗震性能评估和设计提供指导作用。
[Abstract]:Masonry infilled wall frame structure is a widely used structure at present.In this paper, the seismic behavior tests of 10 RC frames filled with full scale autoclaved aerated concrete blocks under low cyclic cyclic loading are carried out, and the influence of the structure of wall and frame connection and the construction measures of wall itself on the overall seismic characteristics of the frame is discussed.The results show that the horizontal load-carrying capacity of concrete frame can be improved significantly by filling wall of aerated concrete block with W1 autoclaved pressure. Compared with pure frame, the yield and peak value of ordinary infilled wall frame specimen are higher than that of pure frame.The ultimate load has been increased respectively by 31 / 159 / 1561 / 1565, and compared with the normal structure of the frame infilled wall, when flexible connection or separation from the column is adopted, the bearing capacity, deformation performance, stiffness, energy consumption of the infilled wall on the concrete frame will be reduced by the use of flexible connection or separation from the column, and so on, and the effect of the infill wall on the bearing capacity, deformation performance, stiffness and energy consumption of the concrete frame will be reduced.Especially early service performance.In addition, the connecting method of tension bars is more direct and effective than that of L-shaped iron parts.This will provide guidance for seismic performance evaluation and design of autoclaved aerated concrete block infilled wall frame.
【作者单位】：中国建筑科学研究院;北京凯盛建材工程有限公司;
【基金】：国家“十二五”科技支撑计划课题(2012BAJ07B01)
【分类号】：TU398;TU352.11

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