工程力学 ›› 2019, Vol. 36 ›› Issue (4): 158-166,187.doi: 10.6052/j.issn.1000-4750.2018.02.0093

• 土木工程学科 • 上一篇    下一篇

自保温暗骨架承重墙抗震性能试验研究与分析

史凤凯1, 刘福胜1, 王少杰1, 岳艺博1, 刘康1, 黄兴淮2   

  1. 1. 山东农业大学水利土木工程学院, 山东, 泰安 271018;
    2. 东南大学土木工程学院, 江苏, 南京 210096
  • 收稿日期:2018-02-02 修回日期:2018-06-21 出版日期:2019-04-25 发布日期:2019-04-15
  • 通讯作者: 王少杰(1985-),男,安徽宿州人,副教授,工学博士,从事结构安全与防灾等领域的研究(E-mail:tumuwsj@sdau.edu.cn). E-mail:tumuwsj@sdau.edu.cn
  • 作者简介:史凤凯(1992-),男,山东潍坊人,硕士生,从事新型砌体结构抗震研究(E-mail:2359492081@qq.com);刘福胜(1964-),男,山东潍坊人,教授,工学博士,博导,从事结构工程、工程力学等研究(E-mail:liufsh@sdau.edu.cn);岳艺博(1992-),女,河北张家口人,硕士生,从事新型砌体结构抗震研究(E-mail:mysyyb@163.com);刘康(1992-),男,山东济宁人,硕士生,从事结构抗震研究(E-mail:765189209@qq.com);黄兴淮(1986-),男,江苏淮安人,讲师,工学博士,从事结构抗震与振动控制研究(E-mail:huangxh@seu.edu.cn).
  • 基金资助:
    山东省自然科学基金项目(ZR2017BEE022);国家自然科学基金项目(51708115);中国博士后科学基金面上项目(2017M622239)

SEISMIC EXPERIMENT AND THEORETICAL ANALYSIS ON SELF-INSULATING STRUCTURAL WALLS WITH INNER SKELETON

SHI Feng-kai1, LIU Fu-sheng1, WANG Shao-jie1, YUE Yi-bo1, LIU Kang1, HUANG Xing-huai2   

  1. 1. College of Water Conservancy and Civil Engineering, Shandong Agricultural University, Tai'an 271018, China;
    2. College of Civil Engineering, Southeast University, Nanjing 210096, China
  • Received:2018-02-02 Revised:2018-06-21 Online:2019-04-25 Published:2019-04-15

摘要: 从抗震节能一体化出发,研发了自保温暗骨架承重墙及其结构体系。通过水平低周反复荷载试验研究了自保温暗骨架承重墙的抗震性能,揭示了该新型抗震墙体受力机制的转化过程,即抗震失效全过程可分为共同工作、转化过渡和弱框架工作三个阶段。结合试验成果开展理论分析,针对自保温暗骨架承重墙剪切破坏模式,分别建立了基于等效弹性板模型的墙体开裂荷载计算方法和基于修正软化拉压杆模型的墙体抗剪极限承载力计算方法,与实测值相比误差分别是3.2%、3.3%,故构建的理论计算方法精度高、物理力学概念清晰。结果表明:自保温暗骨架承重墙具有多道抗震防线,抗震性能好,加之施工方便快捷、造价低廉,特别适宜在村镇住宅等多层建筑中推广应用。

关键词: 自保温暗骨架承重墙, 暗骨架约束系数, 等效弹性板模型, 修正软化拉压杆模型, 抗震试验

Abstract: A self-insulating structural wall with inner skeleton and its structural system were designed for realizing the integration of anti-seismic and energy-saving performance. A horizontal low-cyclic load test was conducted to investigate the wall's seismic performance, and it revealed the transformation process of the wall's failure mechanisms. Accordingly, the failure process was divided into three stages, including common working stage, transition stage and weak frame working stage. This study proposed cracking load and ultimate capacity formulas based on the wall's final failure mode and theoretical analysis of the test results. The two formulas were respectively established on the basis of the elastic equivalent model and the modified softened strut-and-tie model. The relative errors between theoretical analysis and test results were 3.2% and 3.3%, respectively, indicating the theoretical formulas have a clear physical significance and an adequate level of accuracy. Additionally, the experiment results verified the wall's superiorities, including seismic behavior, construction convenience and economic performance. The wall is well-suitable for application in multi-story residential buildings such as villages and towns.

Key words: self-insulating structural wall with inner skeleton, inner skeleton constraint coefficient, elastic equivalent model, modified softened strut-and-tie model, seismic experiment

中图分类号: 

  • TU365
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