A STUDY ON LOW CYCLE FATIGUE CHARACTERISTICS OF LOW YIELD STRENGTH STEEL
E. Saeki, M. Sugisawa, Tanemi Yamaguchi
1995
Citations
12
Citations
Journal
Journal of Structural and Construction Engineering (transactions of Aij)
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Key Takeaway Key Takeaway: Low-cycle fatigue characteristics of low-yield strength steel are similar across different steel types, with a correlation of C1 = 2, 1460ml existing in all types of steel.
Abstract
Recently ， studies on seismic energy isgLation and damping structures abound and a number of attenuation mechanisms have been proposed ． One of them propeses lo u 【 ilize the eLaste − plastic hysteresis of steeL using low yield strength steel as material ． This study conducted 】 ow − cycte fatigue testS to clarify the low − cyc 】e fatigue characteristics ． Hys ¢ eresis characteristics and energy abserption characteristics of low yield strength steel wi 且 l be discussed in 血 e next repor 【 ． As a result ， the fo ］ iowing conclusions were obtained coneerning steel 〔 DThe low − Qycle fatigue characteristics 〔 s − Nrre ］ ationship ） ef ］ ow yield strength steel expressed by the Manson − Ceffin equation ． （ 2 ） Despite major differences in static ductility and oIher properties ， low − cycle faligue characteristics vary little by steel type ． （ 3 ） The effect of suain rate on low − cycle fatigue characteristics − Coffin equation ’ s coefficitent C I and ME of low Yield strength steel deviate from 【 he values obtainabte from 血e conventionally proposed equations ， （ 5 ） Acorrelation of C 1 ＝ 2 ， 【 1460ml exists in alL types ofstee 且