Stress-strain diagrams of concrete under repeated loads with compressive stresses

被引:5
作者
Karpenko, Nikolay I. [1 ,2 ]
Eryshev, Valery A. [3 ]
Latysheva, Ekaterina V. [3 ]
机构
[1] Russian Acad Architecture & Construct Sci, 24-1 Ulitsa Bolshaya Dmitrovka, Moscow 107031, Russia
[2] Russian Acad Architecture & Construct Sci, Res Inst Bldg Phys, Moscow 127238, Russia
[3] Togliatti State Univ, Tolyatti 445667, Samara Region, Russia
来源
XXIV R-S-P SEMINAR, THEORETICAL FOUNDATION OF CIVIL ENGINEERING (24RSP) (TFOCE 2015) | 2015年 / 111卷
关键词
Stress-strain Diagram; Cyclic loading; Stress; Strain; Intrinsic curve;
D O I
10.1016/j.proeng.2015.07.103
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The article discusses the general characteristics of the deformation of concrete under repeated cyclic loads of compressive stresses observed in the experiments executed by the authors, as well as domestic and foreign researchers. Based on experimental data of fixed and variable levels of stress, limits have been defined for reference points of stabilization of strains and stresses. The plotted stabilization diagram outlines the accumulated deformation with the increase of the number of cycles and shows the stress level above which the concrete fails after a finite number of cycles. The total deformation of concrete in the initial system of coordinates is determined by summing up the incremental strain of each cycle calculated in the new system of coordinates. This technique is used to determine the number of cycles until the stabilization of the deformation at low stress levels and the number of cycles until the failure of concrete at high levels of stress. (C) 2015 Published by Elsevier Ltd.
引用
收藏
页码:371 / 377
页数:7
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