不同周期型态a500级钢筋疲劳强度的试验研究

Bulletin of Science and Research Center “Stroitelstvo” Pub Date : 2021-08-31 DOI:10.37538/2224-9494-2021-3(30)-100-107

V. Terin, Dmitry Klimov, A. Kvasnikov

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引用次数: 0

摘要

本文介绍了采用GOST 34028-2016对A500级钢筋进行不同类型周期型疲劳强度研究的结果。对前人对各类钢筋疲劳强度的试验研究结果进行了归纳和整理，确定了影响疲劳的主要因素。获得了A500C级不同周期型配筋在静载荷和高周载荷作用下的强度和变形特性实验数据。根据研究结果，提出了改善钢筋特性和周期剖面以提高其抗重复循环荷载能力的建议，并对现行法规文件进行了修改。ВестникНИЦ«Строительство»•3(30)2021 101Ключевыеслова:Арматура,периодическийпрофильарма-туры,пределвыносливости,усталостнаяпрочность

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EXPERIMENTAL STUDIES OF THE FATIGUE STRENGTH OF A500 CLASS REINFORCEMENT WITH VARIOUS TYPES OF PERIODIC PROFILE

The article presents the results of studies of the fatigue strength of A500 class reinforcement by GOST 34028-2016 with various types of periodic profile. The data on the results of previously conducted experimental studies of the fatigue strength of various types of reinforcement are generalized and systematized, and the main factors affecting fatigue are established. Experimental data on strength and deformation characteristics under static and high-cycle loads of A500C class reinforcement with various types of periodic profile have been obtained. Based on the research results, proposals were made to improve the characteristics of the reinforcement and the periodic profile to increase its resistance to repeated cyclic loads and to amend the current regulatory documents. Вестник НИЦ «Строительство» • 3(30)2021 101 Ключевые слова: Арматура, периодический профиль арма- туры, предел выносливости, усталостная прочность

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Bulletin of Science and Research Center “Stroitelstvo”

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