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Author:

Zhou, Hui (Zhou, Hui.) | Wang, Yuanqing (Wang, Yuanqing.) | Shi, Yongjiu (Shi, Yongjiu.) | Wu, Yanmin (Wu, Yanmin.)

Indexed by:

EI Scopus SCIE

Abstract:

Three-point bending tests were conducted at various low temperatures to obtain the crack-tip opening displacement (CTOD) values of three varieties of structural steels with several plate thicknesses. Parameters of the crack growth resistance curve (Rcurve) of each specimen were calibrated by regression of the test data points (CTOD versus crack extension). The temperature and the plate thickness had great effects on the R-curve shape (flat or rising) and the fracture mode (brittle or ductile). In a design process of a steel component, an initial crack is assumed according to its fatigue category. Through the analyses of the crack driving force and the resistance, a practical method is proposed for fracture resistant design and evaluation of flawless or flawed steel components at low temperature.

Keyword:

crack-tip opening displacement (CTOD) steel structural component crack growth resistance curve (R-curve) low temperature fracture resistant design

Author Community:

  • [ 1 ] [Zhou, Hui]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Yuanqing]Tsinghua Univ, Dept Civil Engn, Key Lab Civil Engn Safety & Durabil, China Educ Minist, Beijing 100084, Peoples R China
  • [ 3 ] [Shi, Yongjiu]Tsinghua Univ, Dept Civil Engn, Key Lab Civil Engn Safety & Durabil, China Educ Minist, Beijing 100084, Peoples R China
  • [ 4 ] [Wu, Yanmin]Tsinghua Univ, Dept Civil Engn, Key Lab Civil Engn Safety & Durabil, China Educ Minist, Beijing 100084, Peoples R China
  • [ 5 ] [Zhou, Hui]Beijing Collaborat Innovat Ctr Metropolitan Trans, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Wang, Yuanqing]Tsinghua Univ, Dept Civil Engn, Key Lab Civil Engn Safety & Durabil, China Educ Minist, Beijing 100084, Peoples R China

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Source :

INTERNATIONAL JOURNAL OF STEEL STRUCTURES

ISSN: 1598-2351

Year: 2015

Issue: 2

Volume: 15

Page: 319-333

1 . 5 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:174

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 3

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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