新型承重围护保温一体化墙体抗震性能试验研究

周学军; 王兴博; 刘哲; 王振; 李泉; 咸国栋

doi:10.11835/j.issn.2096-6717.2021.079

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新型承重围护保温一体化墙体抗震性能试验研究

土木工程 | 更新时间：2022-11-07

- 新型承重围护保温一体化墙体抗震性能试验研究
- Experimental study on seismic behavior of a new type assembled insulation integrated wall
- 土木与环境工程学报 2022年44卷第6期页码：101-113
- 作者机构：
  
  1.山东建筑大学土木工程学院，济南 250101
  2.山东萌山钢结构工程有限公司，山东济宁 272000
- 作者简介：
  
  周学军（1965- ），男，教授，博士生导师，主要从事钢结构基本理论与空间钢结构方向的研究，E-mail：xuejunzhou@sdjzu.edu.cn。
- 基金信息：
  
  国家重点研发计划(SQ2020YFF0426523)
- DOI：10.11835/j.issn.2096-6717.2021.079
  中图分类号： TU398.2;TU317.1
- 收稿：2020-10-15，
  
  纸质出版：2022-12-30
- 稿件说明：
移动端阅览
周学军,王兴博,刘哲等.新型承重围护保温一体化墙体抗震性能试验研究[J].土木与环境工程学报,2022,44(06):101-113.

ZHOU Xuejun,WANG Xingbo,LIU Zhe,et al.Experimental study on seismic behavior of a new type assembled insulation integrated wall[J].Journal of Civil and Environmental Engineering,2022,44(06):101-113.
周学军,王兴博,刘哲等.新型承重围护保温一体化墙体抗震性能试验研究[J].土木与环境工程学报,2022,44(06):101-113. DOI： 10.11835/j.issn.2096-6717.2021.079.

ZHOU Xuejun,WANG Xingbo,LIU Zhe,et al.Experimental study on seismic behavior of a new type assembled insulation integrated wall[J].Journal of Civil and Environmental Engineering,2022,44(06):101-113. DOI： 10.11835/j.issn.2096-6717.2021.079.

摘要

为实现钢结构装配式住宅承重围护保温一体化的目标，提出一种设置暗支撑的承重围护保温一体化墙体。墙体内部为支撑钢框架，填充发泡水泥等保温隔热材料，外部设置双向钢筋网并浇注砂浆层作为保护层。框架内填充发泡水泥对结构的水平承载力和抗侧刚度有较大影响，以暗支撑设置、墙体高宽比为变化参数，对6榀单层单跨承重围护保温一体化墙体进行低周反复加载试验，得到各试件的水平承载力、抗侧刚度和滞回特性。结果表明：设置暗支撑能够明显提高新型承重围护保温一体化墙体的水平承载力和抗侧刚度；相比纯钢框架，新型承重围护保温一体化墙体具有更高的水平承载力和抗侧刚度，其耗能能力和变形能力也更强；高宽比对墙体抗侧性能影响显著，高宽比越大，墙体的水平承载力、抗侧刚度、耗能能力均越小。给出了新型承重围护保温一体化墙体的水平承载力计算公式，计算结果与试验结果吻合较好。

Abstract

In order to realize the goal of load-bearing and thermal insulation integration of prefabricated steel residential buildings

a new type of load-bearing and thermal insulation integration wall with concealed bracing was proposed. The interior of the wall is steel braced frame

filled with foamed cement and other thermal insulation materials

and the exterior is provided with bidirectional steel mesh and mortar layer. The filling of foamed cement in the frame has great influence on the horizontal bearing capacity and lateral stiffness of the structure. Taking the height-width ratio of the walls and the existence of concealed bracing in the walls as the variable parameters

six one-bay and one-story integrated walls were tested under low-cycle reversed loads

and the horizontal bearing capacity

lateral stiffness and hysteresis characteristics of each specimen were obtained. The results show that the setting of concealed bracing can obviously improve the horizontal bearing capacity and lateral stiffness of the load-bearing and thermal insulation integration wall. Compared with steel braced frame

the new type of load-bearing and thermal insulation integration wall has higher horizontal bearing capacity and lateral stiffness

and its energy dissipation capacity and deformation characteristics are also better. The height-width ratio has a significant impact on the lateral resistance of load-bearing and thermal insulation integration wall. The larger the height-width ratio is

the smaller the horizontal bearing capacity

and lateral stiffness and energy dissipation capacity of the wall will also be. The calculation formula of the horizontal bearing capacity of the new type of load-bearing and thermal insulation integration wall was provided

and the calculation results are in good agreement with the experiment.

关键词

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references

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