Crack Growth and Fatigue Strength of Deck‐Rib Welded Joints in Orthotropic Steel Decks Integrating Mean Stress Effect
ABSTRACT Fatigue tests were conducted to investigate the effects of mean stress, stress range, and deck thickness on crack growth and fatigue failure of the deck‐rib welded joint. According to the experimental results, a fatigue failure criterion and a fatigue evaluation method for deck‐rib welded j...
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| Veröffentlicht in: | Fatigue & fracture of engineering materials & structures 2025-01, Vol.48 (1), p.145-157 |
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| container_title | Fatigue & fracture of engineering materials & structures |
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| creator | Li, Xincheng Fu, Zhongqiu Ji, Bohai Sun, Guyu |
| description | ABSTRACT
Fatigue tests were conducted to investigate the effects of mean stress, stress range, and deck thickness on crack growth and fatigue failure of the deck‐rib welded joint. According to the experimental results, a fatigue failure criterion and a fatigue evaluation method for deck‐rib welded joints, which consider mean stress effect, was proposed. The results indicated that the stress range remains the dominating factor, but the influence of mean stress cannot be ignored. It was proposed that the crack length reaching approximately 150 mm and the depth reaching around 70% deck thickness can be taken as the fatigue failure criterion, while increase in mean stress would reduce the critical crack length but increase the critical crack depth. Besides, multiple cracks will weaken the fatigue strength. It is recommended to use Walker method and the FAT 71 curve with enhancement factor
f−1=1.3$$ f\left(-1\right)=1.3 $$ to evaluate the fatigue strength under symmetrical stress cycle. |
| doi_str_mv | 10.1111/ffe.14476 |
| format | Article |
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Fatigue tests were conducted to investigate the effects of mean stress, stress range, and deck thickness on crack growth and fatigue failure of the deck‐rib welded joint. According to the experimental results, a fatigue failure criterion and a fatigue evaluation method for deck‐rib welded joints, which consider mean stress effect, was proposed. The results indicated that the stress range remains the dominating factor, but the influence of mean stress cannot be ignored. It was proposed that the crack length reaching approximately 150 mm and the depth reaching around 70% deck thickness can be taken as the fatigue failure criterion, while increase in mean stress would reduce the critical crack length but increase the critical crack depth. Besides, multiple cracks will weaken the fatigue strength. It is recommended to use Walker method and the FAT 71 curve with enhancement factor
f−1=1.3$$ f\left(-1\right)=1.3 $$ to evaluate the fatigue strength under symmetrical stress cycle.</description><identifier>ISSN: 8756-758X</identifier><identifier>EISSN: 1460-2695</identifier><identifier>DOI: 10.1111/ffe.14476</identifier><language>eng</language><publisher>Oxford: Wiley Subscription Services, Inc</publisher><subject>crack growth ; Crack propagation ; Criteria ; deck‐rib welded joints ; Fatigue cracks ; Fatigue failure ; fatigue failure criterion ; Fatigue strength ; Fatigue tests ; mean stress effect ; Metal fatigue ; Steel decks ; Stress cycles ; Thickness ; Welded joints</subject><ispartof>Fatigue & fracture of engineering materials & structures, 2025-01, Vol.48 (1), p.145-157</ispartof><rights>2024 John Wiley & Sons Ltd.</rights><rights>2025 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c1876-589e2bd4d2c03fc4da9439a43dab8d70449079d8ee001f761361920aeeb874c83</cites><orcidid>0009-0000-1448-2539</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fffe.14476$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fffe.14476$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,45579,45580</link.rule.ids></links><search><creatorcontrib>Li, Xincheng</creatorcontrib><creatorcontrib>Fu, Zhongqiu</creatorcontrib><creatorcontrib>Ji, Bohai</creatorcontrib><creatorcontrib>Sun, Guyu</creatorcontrib><title>Crack Growth and Fatigue Strength of Deck‐Rib Welded Joints in Orthotropic Steel Decks Integrating Mean Stress Effect</title><title>Fatigue & fracture of engineering materials & structures</title><description>ABSTRACT
Fatigue tests were conducted to investigate the effects of mean stress, stress range, and deck thickness on crack growth and fatigue failure of the deck‐rib welded joint. According to the experimental results, a fatigue failure criterion and a fatigue evaluation method for deck‐rib welded joints, which consider mean stress effect, was proposed. The results indicated that the stress range remains the dominating factor, but the influence of mean stress cannot be ignored. It was proposed that the crack length reaching approximately 150 mm and the depth reaching around 70% deck thickness can be taken as the fatigue failure criterion, while increase in mean stress would reduce the critical crack length but increase the critical crack depth. Besides, multiple cracks will weaken the fatigue strength. It is recommended to use Walker method and the FAT 71 curve with enhancement factor
f−1=1.3$$ f\left(-1\right)=1.3 $$ to evaluate the fatigue strength under symmetrical stress cycle.</description><subject>crack growth</subject><subject>Crack propagation</subject><subject>Criteria</subject><subject>deck‐rib welded joints</subject><subject>Fatigue cracks</subject><subject>Fatigue failure</subject><subject>fatigue failure criterion</subject><subject>Fatigue strength</subject><subject>Fatigue tests</subject><subject>mean stress effect</subject><subject>Metal fatigue</subject><subject>Steel decks</subject><subject>Stress cycles</subject><subject>Thickness</subject><subject>Welded joints</subject><issn>8756-758X</issn><issn>1460-2695</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2025</creationdate><recordtype>article</recordtype><recordid>eNp1kE1OwzAQhS0EEqWw4AaWWLFIa8eu4yxRaUpRUSV-BLvIsSdp2pIU21XVHUfgjJwE07JlNiONvvfmzSB0SUmPhuqXJfQo54k4Qh3KBYlikQ6OUUcmAxElA_l2is6cWxBCBWesg7ZDq_QSj2279XOsGoMz5etqA_jJW2iqMGxLfAt6-f359VgX-BVWBgy-b-vGO1w3eGb9vPW2Xdc6aABWe9rhSeOhssGsqfADqGZv6BwehYjan6OTUq0cXPz1LnrJRs_Du2g6G0-GN9NIU5mIaCBTiAvDTawJKzU3KuUsVZwZVUiTEM5TkqRGAoSLykRQJmgaEwVQyIRrybro6uC7tu3HBpzPF-3GNmFlziiPGUuliAN1faC0bZ2zUOZrW78ru8spyX__mofQ-f6vge0f2G29gt3_YJ5lo4PiB71oelc</recordid><startdate>202501</startdate><enddate>202501</enddate><creator>Li, Xincheng</creator><creator>Fu, Zhongqiu</creator><creator>Ji, Bohai</creator><creator>Sun, Guyu</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><orcidid>https://orcid.org/0009-0000-1448-2539</orcidid></search><sort><creationdate>202501</creationdate><title>Crack Growth and Fatigue Strength of Deck‐Rib Welded Joints in Orthotropic Steel Decks Integrating Mean Stress Effect</title><author>Li, Xincheng ; Fu, Zhongqiu ; Ji, Bohai ; Sun, Guyu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1876-589e2bd4d2c03fc4da9439a43dab8d70449079d8ee001f761361920aeeb874c83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2025</creationdate><topic>crack growth</topic><topic>Crack propagation</topic><topic>Criteria</topic><topic>deck‐rib welded joints</topic><topic>Fatigue cracks</topic><topic>Fatigue failure</topic><topic>fatigue failure criterion</topic><topic>Fatigue strength</topic><topic>Fatigue tests</topic><topic>mean stress effect</topic><topic>Metal fatigue</topic><topic>Steel decks</topic><topic>Stress cycles</topic><topic>Thickness</topic><topic>Welded joints</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Xincheng</creatorcontrib><creatorcontrib>Fu, Zhongqiu</creatorcontrib><creatorcontrib>Ji, Bohai</creatorcontrib><creatorcontrib>Sun, Guyu</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Fatigue & fracture of engineering materials & structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Xincheng</au><au>Fu, Zhongqiu</au><au>Ji, Bohai</au><au>Sun, Guyu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Crack Growth and Fatigue Strength of Deck‐Rib Welded Joints in Orthotropic Steel Decks Integrating Mean Stress Effect</atitle><jtitle>Fatigue & fracture of engineering materials & structures</jtitle><date>2025-01</date><risdate>2025</risdate><volume>48</volume><issue>1</issue><spage>145</spage><epage>157</epage><pages>145-157</pages><issn>8756-758X</issn><eissn>1460-2695</eissn><abstract>ABSTRACT
Fatigue tests were conducted to investigate the effects of mean stress, stress range, and deck thickness on crack growth and fatigue failure of the deck‐rib welded joint. According to the experimental results, a fatigue failure criterion and a fatigue evaluation method for deck‐rib welded joints, which consider mean stress effect, was proposed. The results indicated that the stress range remains the dominating factor, but the influence of mean stress cannot be ignored. It was proposed that the crack length reaching approximately 150 mm and the depth reaching around 70% deck thickness can be taken as the fatigue failure criterion, while increase in mean stress would reduce the critical crack length but increase the critical crack depth. Besides, multiple cracks will weaken the fatigue strength. It is recommended to use Walker method and the FAT 71 curve with enhancement factor
f−1=1.3$$ f\left(-1\right)=1.3 $$ to evaluate the fatigue strength under symmetrical stress cycle.</abstract><cop>Oxford</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/ffe.14476</doi><tpages>13</tpages><orcidid>https://orcid.org/0009-0000-1448-2539</orcidid></addata></record> |
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| language | eng |
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| source | Access via Wiley Online Library |
| subjects | crack growth Crack propagation Criteria deck‐rib welded joints Fatigue cracks Fatigue failure fatigue failure criterion Fatigue strength Fatigue tests mean stress effect Metal fatigue Steel decks Stress cycles Thickness Welded joints |
| title | Crack Growth and Fatigue Strength of Deck‐Rib Welded Joints in Orthotropic Steel Decks Integrating Mean Stress Effect |
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