Erratum to: Recommendations for Fatigue Design of Welded Joints and Components

Hobbacher, A. F.

doi:10.1007/978-3-319-23757-2_8

Cited by 52 publications

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“…Some hold that the extrapolated SCF is not affected by weld size, because the extrapolation region is far enough from the weld toe. This view is reflected in the SCF formula for pure CHS joints in Reference [6], which does not consider the impact of weld size. Some believe that the weld size has a certain effect on the SCF of the welded joint, as evidenced by the SCF formula in Reference [3].…”

Section: Literature Reviewmentioning

confidence: 99%

“…Over the years, various methods have been developed to evaluate the fatigue performance of steel tube joints. Among them, hot spot stress stands out as the most popular and successful strategy for fatigue calculated of welded tube joints [3][4][5][6][7][8][9][10][11][12][13][14][15]. Nevertheless, there is not yet a consensus on the effects of weld size on hot spot stress in the calculation of fatigue performance of the joints.…”

Section: Introductionmentioning

confidence: 99%

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Effects of weld size on stress concentration factors of CHS-CFSHS joints

Yang

Tong

2018

Frattura Ed Integrità Strutturale

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This paper aims to disclose the effects of weld size on hot spot stress in the calculation of fatigue performance of the joints. For this purpose, the author explored the hot spot stress of CHS-CFSHS T-joints, which consists of circular hollow section (CHS) braces and concrete-filled square hollow section (CFSHS) chords. After reviewing the previous studies and the relevant specifications on weld size, the author probes into the effects of weld size on the stress concentration factor (SCF) of CHS-CFSHS joints via finiteelement analysis. The analysis show that the weld size directly affected the hot spot stress in both conditions, and the influence laws were largely the same; with the increase of weld size, the brace-side SCF plunged when the chordsize weld size remained the same, but the chord-side SCF changed slightly when the brace-side weld size was constant; the brace-side and chord-side SCF declined when the brace-side and chord-side weld sizes increased by the same amount. This research successfully determined the weld sizes that are consistent with the relevant specifications, and safe and simple to apply in actual engineering.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of weld size on stress concentration factors of CHS-CFSHS joints

Yang

Tong

2018

Frattura Ed Integrità Strutturale

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“…This variety in the environmental factors causes to use the different fatigue assessment approaches in order to predict more accurately the fatigue lifetime of the welded structural system. Therefore, the different fatigue lifetime determination methods have been taken their places in the national or international design codes, for example, International Institution of Welding (IIW) (Hobbacher, 2019), Japanese (Japanese Society of Steel Construction (JSSC) 2012), British (BSI 1993) and Eurocode 3 (UNI EN 2005), etc.…”

Section: Introductionmentioning

confidence: 99%

T-Birleşimli Borusal Kaynaklı Çelik Yapının Yorulma Analizi

YÜCEL

Talaslıoğlu

2022

Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Fatigue damage occurs in steel joints exposed to repeated loads during their service life. Even if the design of lattice tubular structures that make up the steel skeletal structures is carried out according to certain regulations, the evaluations for determining the most critical fatigue damage in these structures are limited. Moreover, the discrete geometric configurations of trusses make it difficult to accurately predict fatigue damage. In this study, fatigue analyzes were performed on the planar T-joint sample with two different methods and under different boundary and loading conditions. Three-dimensional finite element models and three-dimensional welded joint detail were created to perform more accurate analysis. As a result, it has been determined that the fixed type support increases the fatigue life due to the increase in rigidity.

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“…This allows it for greater discontinuities in areas subjected to small stress which saves resources without compromising the safety of the structure. From another perspective, Hobbacher [4] establishes a basis for the design and analysis of welded joints whose stress can be considered fluctuating to avoid fatigue failures. The evaluation procedures determine the information related to the action and fatigue resistance.…”

Section: Introductionmentioning

confidence: 99%

Computational modeling of fatigue crack propagation in butt welded joints subjected to axial load

2019

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This article addresses the study of crack behavior elicited on axial fatigue in specimens joined by butt weld made of steel ASTM A36 by using fracture mechanics and simulation software of finite elements (Ansys APDL, Franc3D). The computational model was initially to define the geometry model by using CAD software. Specimens with Weld Reinforcement of 2 mm and 3mm were simulated. Subsequently, the type of element for the mesh, the information inclusion concerning material mechanical properties and load conditions were selected. By using Franc3D software, the crack propagation phenomenon is analyzed, and its growth parameters have been established. In this way, it is possible to calculate the magnitude of stress intensity factor (SIF) along the crack front. It is concluded that the stress located in the weld toe is maximized proportionately to the size of the weld reinforcement due to the concentration effect of geometric stress. In addition, it is observed that the propagation rate obtained from Paris law has a similar behavior for the studied weld reinforcements; the latter as there were short cracks.

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Erratum to: Recommendations for Fatigue Design of Welded Joints and Components

Abstract: In the original version of the book, the belated corrections from author to modify the sentence in Sect. 3.7.3 of Chapter 3 and to update the equations in Tables 6.3 and 6.4 of Chapter 6 have been incorporated. An erratum chapters and the book have been updated with the changes.

Cited by 52 publications

References 0 publications

Effects of weld size on stress concentration factors of CHS-CFSHS joints

Effects of weld size on stress concentration factors of CHS-CFSHS joints

T-Birleşimli Borusal Kaynaklı Çelik Yapının Yorulma Analizi

Computational modeling of fatigue crack propagation in butt welded joints subjected to axial load

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