[1]刘康,王少杰,刘福胜,等.不等肢自保温暗骨架承重墙抗震性能与剪力分配[J].地震工程与工程振动,2019,39(03):222-229.[doi:10.13197/j.eeev.2019.03.222.liuk.023]
 LIU Kang,WANG Shaojie,LIU Fusheng,et al.Seismic performance and shear force distribution on unequal self-insulating structural wall with inner skeleton[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(03):222-229.[doi:10.13197/j.eeev.2019.03.222.liuk.023]
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不等肢自保温暗骨架承重墙抗震性能与剪力分配
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《地震工程与工程振动》[ISSN:/CN:]

卷:
39
期数:
2019年03
页码:
222-229
栏目:
论文
出版日期:
2019-06-30

文章信息/Info

Title:
Seismic performance and shear force distribution on unequal self-insulating structural wall with inner skeleton
作者:
刘康12 王少杰12 刘福胜12 侯凯12 张宗胜12
1. 山东农业大学 水利土木工程学院, 山东 泰安 271018;
2. 山东省村镇住宅工程技术研究中心, 山东 泰安 271018
Author(s):
LIU Kang12 WANG Shaojie12 LIU Fusheng12 HOU Kai12 ZHANG Zongsheng12
1. School of Water Conservancy and Civil Engineering, Shandong Agricultural University, Tai’an 271018, China;
2. Shandong Province Rural Residential Engineering Technology Research Center, Tai’an 271018, China
关键词:
自保温暗骨架承重墙不等肢抗震墙水平低周往复荷载试验剪力分配村镇建筑
Keywords:
self-insulating structural wall with inner skeletonunequal shear wallhorizontal low cycle reciprocating load testshear force distributionvillage and town building
分类号:
TU365
DOI:
10.13197/j.eeev.2019.03.222.liuk.023
摘要:
自保温暗骨架承重墙结构体系由节能承重砌块和内置暗骨架组合而成,集抗震节能于一体,尤其适宜在村镇建筑中应用。针对留置门洞形成的不等肢自保温暗骨架承重墙足尺试件,进行恒定竖向荷载作用下的水平低周往复荷载试验,研究了不等肢抗震墙的破坏过程、耗能特性、承载特性、刚度退化、失效机制等,开展了理论分析。结果表明:不等肢自保温暗骨架承重墙的抗震失效过程可分为“共同工作、转化过渡和弱框架工作”三个阶段,恰与我国现行抗震设防目标相对应;该墙体结构呈延性破坏,宽墙肢震害较窄墙肢严重;墙内暗骨架能有效阻止裂缝发展,显著增加墙体耗能能力;墙体刚度退化速度先快后慢,后期承载力退化不明显;开裂荷载、极限荷载、破坏荷载对应的层间位移角分别为1/926、1/220、1/176;针对开裂荷载、极限荷载建立的抗剪承载力计算与分配方法,不仅精度高而且求解简便。
Abstract:
The self-insulating structural wall with inner skeleton (SSWIS) is composed of energy-saving load-bearing blocks and inner skeletons. It integrates seismic and energy-saving, especially it is suitable for application in villages and towns. The horizontal low cycle reciprocating load test under the constant vertical load is carried out for the unequal full-scale SSWIS with door. The failure process, energy dissipation characteristics, load-bearing characteristics, stiffness degradation and failure mechanism of unequal SSWIS are studied. Theoretical analysis was carried out. The results show that the seismic failure process of the unequal SSWIS can be divided into three stages:co-work, transformation transition and weak frame work, which corresponds to the current seismic fortification target in China; the wall structure is ductile destruction, wide shear wall damage is more serious than narrow shear wall; inner skeleton in the wall can effectively prevent the development of cracks, significantly increase the energy consumption capacity of the wall; the rate of wall stiffness degradation is faster than slower, and the late bearing capacity is not obvious; The displacement angles corresponding to cracking load, ultimate load and failure load are 1/926, 1/220 and 1/176, respectively. The calculation and distribution method of shear capacity for cracking load and ultimate load is not only accurate but also simple.

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备注/Memo

备注/Memo:
收稿日期:2018-9-5;改回日期:2019-3-1。
基金项目:山东省自然科学基金项目(ZR2017BEE022);中国博士后科学基金面上项目(2017M622239);山东省高等学校科技计划项目(J17KA219)
作者简介:刘康(1992-),男,硕士研究生,主要从事结构抗震研究.E-mail:765189209@qq.com
通讯作者:王少杰(1985-),男,副教授,博士,主要从事结构安全与防灾研究.E-mail:tumuwsj@sdau.edu.cn
更新日期/Last Update: 1900-01-01