| 纤维砂浆加固多孔砖砌体墙片抗震性能试验研究 |
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| 引用本文： | 杜永峰,寇佳亮,杨静成,闫力,赵方成.纤维砂浆加固多孔砖砌体墙片抗震性能试验研究[J].兰州理工大学学报,2009,35(3). |
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| 作者姓名： | 杜永峰 寇佳亮 杨静成 闫力 赵方成 |
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| 作者单位： | 1. 兰州理工大学,西部土木工程防灾减灾工程研究中心,甘肃,兰州,730050;兰州理工大学,防震减灾研究所,甘肃,兰州,730050
2. 兰州理工大学,防震减灾研究所,甘肃,兰州,730050 |
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| 基金项目： | 甘肃省科技攻关项目，甘肃省建设科技攻关项目 |
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| 摘 要： | 通过聚丙烯纤维砂浆加固多孔砖砌体墙片在低周反复水平荷载作用下的试验,对墙片的破坏特征、裂缝发展过程、滞回特性、刚度衰减规律进行对比分析,探讨聚丙烯纤维砂浆加固多孔砖砌体结构对抗震性能的影响.试验结果表明,聚丙烯纤维砂浆加固后的多孔砖砌体结构开裂时间、结构开裂荷载、结构延性均有明显增大,结构整体性增强,墙体刚度退化减缓,墙体裂缝细而密.
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| 关 键 词： | 多孔砖 聚丙烯纤维砂浆 结构开裂荷载 结构延性 |
Experimental investigation of aseismatic behavior of wall-body with perforated brick masonry reinforced by cement mortar |
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| DU Yong-feng,KOU Jia-liang,YANG Jing-cheng,YAN Li,ZHAO Fang-cheng.Experimental investigation of aseismatic behavior of wall-body with perforated brick masonry reinforced by cement mortar[J].Journal of Lanzhou University of Technology,2009,35(3). |
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| Authors: | DU Yong-feng KOU Jia-liang YANG Jing-cheng YAN Li ZHAO Fang-cheng |
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| Institution: | DU Yong-feng1,2,KOU Jia-liang2,YANG Jing-cheng2,YAN Li2,ZHAO Fang-cheng2(1.Western Engineering Research Center of Disaster Mitigation in Civil Engineering,Lanzhou Univ.of Tech.,Lanzhou 730050,China,2.Institute of Earthquake Protection and Disaster Mitigation,China) |
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| Abstract: | By comparing the test result of wall-body with perforated brick masonry reinforced by cement mortar of polypropylene fiber,subjected to low-cyclic lateral loading,the character and propagation of cracks,hysteretic behavior,and stiffness degradation of the wall-body with perforated brick masonry were investigated.The influence of the perforated brick masonry structures reinforced by cement mortar of polypropylene fiber on earthquake resistance performance was discussed.Test result showed that the cracking ti... |
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| Keywords: | perforated brick cement mortar of polypropylene fiber structural cracking load structural ductility |
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