摘要
对土坯砌块、泥浆试块和土坯砌体分别进行了单轴抗压试验,分析了各自的试验现象和破坏规律,获得了三者应力-应变关系曲线,研究了各自弹性模量与抗压强度的关系。基于对土坯砌块、泥浆试块和土坯砌体三者相关关系的分析,引入考虑相互作用影响的修正系数,提出了土坯砌体弹性模量与土坯砌块和泥浆试块弹性模量之间的关系表达式,以及土坯砌体与土坯砌块和泥浆试块抗压强度之间的关系表达式。通过砌体应力-应变关系曲线提出了两段式本构方程,研究结果为土坯砌体弹性模量和抗压强度的取值以及土坯砌体结构的模拟提供了依据。
Uniaxial compression tests are performed on adobe blocks,mud test blocks and adobe masonries respectively. The phenomena and failure characteristics of these three tests are analyzed,and the stress-strain curves are obtained. The relationships between the elastic modulus and compressive strength of these three types of specimens are studied. Based on the analysis of the relationships between adobe blocks,mud test blocks and adobe masonries,the corrective coefficient considering the interaction effect is introduced,and relationship between the elastic modulus of adobe masonries and the elastic modulus of adobe blocks and mud test blocks are proposed,and the relational expression between the compressive strength of adobe masonries and adobe blocks and mud test blocks are put forward. A two-stage constitutive equation is proposed by the masonry stress-strain relationship curve. The results provide a basis for the values of the elastic modulus and compressive strength of adobe masonry and the simulation of adobe masonry structures.
作者
张俊峰
高锦文
Zhang Junfeng;Gao Jinwen(School of Civil Engineering,Zhengzhou University,Zhengzhou 450001,China;Zhengzhou Kangqiao Real Estate Development Co.Ltd,Zhengzhou 450000,China)
出处
《建筑科学》
CSCD
北大核心
2020年第1期61-67,共7页
Building Science
基金
“十二五”国家科技支撑计划课题(2015BAL03B03-01).
关键词
土坯砌块
泥浆
土坯砌体
弹性模量
抗压强度
本构方程
adobe block
mud
adobe masonry
elastic modulus
compressive strength
constitutive equation
作者简介
张俊峰(1981-),男,博士,讲师,联系方式,ytoy21cn@163.com
