一种基于再生混凝土的装配式结构抗震性能试验研究  

Experimental study on seismic performance of a fabricated structure based on recycled concrete

作　　者：李想[1,2] 孙建刚 张书进 王尊策[1] 徐蕾[2] 崔利富 沙东 LI Xiang;SUN Jian-gang;ZHANG Shu-jin;WANG Zun-ce;XU Lei;CUI Li-fu;SHA Dong(College of Mechanical Science and Engineering,Northeast Petroleum University,Daqing 163318,China;College of Civil Engineering,Dalian Minzu University,Dalian 116650,China;Faculty of Infrastructure Engineering,Dalian University of Technology,Dalian 116023,China)

机构地区：[1]东北石油大学机械科学与工程学院,黑龙江大庆163318 [2]大连民族大学土木工程学院,辽宁大连116650 [3]大连理工大学建筑工程学部,辽宁大连116023

出　　处：《振动工程学报》2021年第5期899-910,共12页Journal of Vibration Engineering

基　　金：国家自然科学基金资助项目(51878124)。

摘　　要：为了研究低成本抗震节能结构体系,进行了以建筑垃圾为骨料的再生混凝土力学性能试验。对再生混凝土剪力墙进行了拟静力试验,分析了以建筑垃圾为骨料的再生混凝土剪力墙承载力、破坏形态以及滞回特性。提出一种隔震装置以及装配式结构,通过模拟地震动振动台试验分析隔震结构在地震作用下的抗震性能并检验隔震装置的有效性。结果表明:再生混凝土的力学性能随着聚丙烯纤维的加入而提高;再生混凝土剪力墙具有较高的抗震性能和承载能力;装配式结构洞口处和墙柱连接处为薄弱部位,地震作用下洞口处裂缝呈现X形分布,墙柱连接处几乎形成贯通的裂缝。在不同地震波作用下,隔震后结构沿高度方向上的振动趋于整体平动,表明该隔震装置对于结构隔离地震作用具有一定的效果,但该隔震装置的隔震效果与输入地震波的频谱特性有关,设计时,需要选择适当的场地。In order to study the low cost seismic and energy saving structure system,the mechanical properties of recycled concrete with construction waste as aggregate were tested.A pseudo-static test was carried out on the recycled concrete shear wall,the bearing capacity,failure pattern and hysteresis characteristics of the recycled concrete shear wall with construction waste as aggregate were analyzed.A type of isolation device and fabricated construction was presented,the seismic performance of the isolation structure was analyzed under earthquake action and the effectiveness of the isolation device was tested by simulating the ground shaking table test.The results show that the mechanical properties of recycled concrete increase with the addition of polypropylene fiber.The recycled concrete shear wall has higher seismic performance and bearing capacity.The weakness of fabricated construction is at the hole and the joints of wall and column.Under the action of earthquake,the cracks that are at the hole present the X type distribution,the joints of the wall and column almost form penetrating cracks.Under the action of different seismic waves,the vibration of the isolation structure along the direction of height tends to be overall translation,which indicates that the isolation device has a certain effect on the seismic isolation of the structure,but the isolation effect of the isolation device is related to the frequency spectrum characteristics of the input seismic wave.When designing,the right site needs to be chosen.

关 键 词：隔震结构 建筑垃圾 振动台试验 新型装配式结构 拟静力试验 

分 类 号：TU352.12[建筑科学—结构工程]