Article(id=1276896837097353281, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, articleNumber=null, orderNo=null, doi=10.3724/j.gyjzG26031403, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1773417600000, receivedDateStr=2026-03-14, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1782365529560, onlineDateStr=2026-06-25, pubDate=1779206400000, pubDateStr=2026-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782365529560, onlineIssueDateStr=2026-06-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782365529560, creator=13701087609, updateTime=1782365529560, updator=13701087609, issue=Issue{id=1276896661737701828, tenantId=1146029695717560320, journalId=1276577754012160025, year='2026', volume='56', issue='5', pageStart='1', pageEnd='264', issueExtLink='null', onlineDate='null', pubDate='1779206400000', pubDateStr='2026-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1782365487751, creator='13701087609', updateTime=1782367237543, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1276904000968589318, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1276904000968589319, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=130, endPage=140, ext={EN=ArticleExt(id=1276896837437091907, articleId=1276896837097353281, tenantId=1146029695717560320, journalId=1276577754012160025, language=EN, title=Fatigue Performance of Single-Edged Cracked Steel Plates Repaired with Combined Stop-Hole and CFRP Plate, columnId=null, journalTitle=Industrial Construction, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The stop-hole method is a commonly used technique for repairing fatigue cracks of steel structures in engineering practice; however, it suffers from issues such as unreliable repair effectiveness and damage to the cross-section. By combining externally bonded CFRP plates with the stop-hole to form a combined repair method, the limitations of a single method can be compensated for, achieving efficient repair of fatigue cracks. To investigate the enhancement effect of CFRP plates on stop-hole repair, a numerical analysis of the fatigue performance was conducted on single-edged cracked steel plates repaired with combined stop-hole and CFRP plate, based on the local stress-strain approach and fracture mechanics theory. A two-stage fatigue life assessment method for combined repaired steel plates was established and validated through comparisons with existing experimental studies. The results showed that, compared with the stop-hole repair, the combined repair method significantly reduced the stress around the hole edge and the stress intensity factor after crack re-initiation, thereby delaying crack propagation and significantly reducing the crack growth rate. Compared with CFRP plate repair, the combined repair method provided additional crack initiation life, demonstrating its high repair efficiency.
, authors=null, authorsList=Yanming WANG, Jingyu LIN, Haitao WANG, Jianzhe SHI, Congcong GUO, Zhiji CHEN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1276896842654806107, articleId=1276896837097353281, tenantId=1146029695717560320, journalId=1276577754012160025, language=CN, title=止裂孔与碳纤维复材(CFRP)板组合修复带单边裂纹钢板的疲劳性能, columnId=1276896697703858872, journalTitle=工业建筑, columnName=工程诊断与性能提升技术, runingTitle=null, highlight=null, articleAbstract=
钻孔止裂法是工程中常用的钢结构疲劳裂纹修复方法,但其面临修复效果不可靠、损伤截面等问题。通过将外贴碳纤维复材(CFRP)板与钻孔止裂法结合,形成组合修复方法,可以弥补单一方法的不足,实现疲劳裂纹高效修复。为探究CFRP板对止裂孔修复效果的提升作用,基于局部应力-应变法和断裂力学理论,对止裂孔与CFRP板组合修复单边开裂钢板的疲劳性能进行了数值分析,建立了组合修复钢板的两阶段疲劳寿命评估方法,通过与既有试验结果对比,验证了该评估方法的可行性。同时分析了止裂孔孔径、CFRP板厚度和弹模等参数对组合修复开裂钢板疲劳性能的影响。结果表明:相比于止裂孔修复,组合修复能够显著降低孔边应力以及裂纹再生后的应力强度因子,推迟裂纹扩展并显著降低扩展速率;相比于CFRP板修复,组合修复可贡献额外的裂纹萌生寿命,显示了组合修复方法的高效性。
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Local mesh of the finite element model, figureFileSmall=ny8XcH8A4p96PEjNxRyjcw==, figureFileBig=nFu6xm79l2ipmtw3hlrd3g==, tableContent=null), ArticleFig(id=1276896860157636755, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图3, caption=
有限元模型局部网格划分, figureFileSmall=ny8XcH8A4p96PEjNxRyjcw==, figureFileBig=nFu6xm79l2ipmtw3hlrd3g==, tableContent=null), ArticleFig(id=1276896860224745620, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.4, caption=
Comparison of crack propagation curves, figureFileSmall=8SOvCY3HdgczImpMP6UwOQ==, figureFileBig=9NtwVxMKLDYqZnzshPhG7A==, tableContent=null), ArticleFig(id=1276896860291854485, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图4, caption=
裂纹扩展曲线对比, figureFileSmall=8SOvCY3HdgczImpMP6UwOQ==, figureFileBig=9NtwVxMKLDYqZnzshPhG7A==, tableContent=null), ArticleFig(id=1276896860371546262, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.5, caption=
Elastic stress contours under different repair methods, figureFileSmall=pJtBAhZCXaHf0E9JRYD0mQ==, figureFileBig=5IgJFYAP3B4YtxeMTKYVJg==, tableContent=null), ArticleFig(id=1276896860493181079, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图5, caption=
不同修复方法下的弹性应力云 MPa, figureFileSmall=pJtBAhZCXaHf0E9JRYD0mQ==, figureFileBig=5IgJFYAP3B4YtxeMTKYVJg==, tableContent=null), ArticleFig(id=1276896860581261464, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.6, caption=
Effects of repair methods on ΔK, figureFileSmall=QFc2mkJLoFLmiTy1iPVtxw==, figureFileBig=GLxc6hgyWWjlC4FF3aBCbw==, tableContent=null), ArticleFig(id=1276896860639981721, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图6, caption=
修复方法对ΔK的影响, figureFileSmall=QFc2mkJLoFLmiTy1iPVtxw==, figureFileBig=GLxc6hgyWWjlC4FF3aBCbw==, tableContent=null), ArticleFig(id=1276896860723867802, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.7, caption=
Effects of repair methods on fatigue life, figureFileSmall=n1/ymgZSzH7okdkEA1TiMg==, figureFileBig=psmcC08Bqr5u7xXIBq2TJQ==, tableContent=null), ArticleFig(id=1276896860795170971, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图7, caption=
修复方法对疲劳寿命的影响, figureFileSmall=n1/ymgZSzH7okdkEA1TiMg==, figureFileBig=psmcC08Bqr5u7xXIBq2TJQ==, tableContent=null), ArticleFig(id=1276896860933583004, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.8, caption=
Effects of stop-hole diameter on the fatigue performance of stop-hole repaired specimens, figureFileSmall=jmYjItnMMzoFxQ50KTcrbA==, figureFileBig=OqtVSX7xSGMVqkrFgpQT+g==, tableContent=null), ArticleFig(id=1276896862586138781, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图8, caption=
止裂孔直径对止裂孔修复试件疲劳性能的影响, figureFileSmall=jmYjItnMMzoFxQ50KTcrbA==, figureFileBig=OqtVSX7xSGMVqkrFgpQT+g==, tableContent=null), ArticleFig(id=1276896862682607774, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.9, caption=
Effects of stop-hole diameter on the fatigue performance of combined repaired specimens, figureFileSmall=PfPtINCcWNTxmNA5wwkoUQ==, figureFileBig=E2qw+xP14mdaVgo7daPSVQ==, tableContent=null), ArticleFig(id=1276896862749716639, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图9, caption=
止裂孔孔径对组合修复试件疲劳性能的影响, figureFileSmall=PfPtINCcWNTxmNA5wwkoUQ==, figureFileBig=E2qw+xP14mdaVgo7daPSVQ==, tableContent=null), ArticleFig(id=1276896862825214112, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.10, caption=
Effects of CFRP plate thickness on the fatigue performance of combined repaired specimens, figureFileSmall=NBkXLpuXUT4mVPUEa6Ob5w==, figureFileBig=V7vP+H7aobCNRwhkvbYTJQ==, tableContent=null), ArticleFig(id=1276896862917488801, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图10, caption=
CFRP板厚度对组合修复试件疲劳性能的影响, figureFileSmall=NBkXLpuXUT4mVPUEa6Ob5w==, figureFileBig=V7vP+H7aobCNRwhkvbYTJQ==, tableContent=null), ArticleFig(id=1276896862988791970, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Fig.11, caption=
Effects of elastic modulus of CFRP plates on the fatigue performance of combined repaired specimens, figureFileSmall=1PWMB73pwJ6I9laQg/SBdg==, figureFileBig=4O6YKBNUFh7fKqXSeeBQ7Q==, tableContent=null), ArticleFig(id=1276896863081066659, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=图11, caption=
CFRP板弹性模量对组合修复试件疲劳性能的影响, figureFileSmall=1PWMB73pwJ6I9laQg/SBdg==, figureFileBig=4O6YKBNUFh7fKqXSeeBQ7Q==, tableContent=null), ArticleFig(id=1276896863148175524, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Table 1, caption=
Main parameters of the bilinear cohesive model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 断裂模式 | σimax/MPa | δie/mm | δif/mm | Gi,C/(N·mm-1) |
|---|
| Ⅰ型 | 38.3 | 0.010 | 0.013 | 0.255 |
| Ⅱ和Ⅲ型 | 15.2 | 0.022 | 0.089 | 0.676 |
), ArticleFig(id=1276896863219478693, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=表1, caption=
双线性内聚力模型主要参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 断裂模式 | σimax/MPa | δie/mm | δif/mm | Gi,C/(N·mm-1) |
|---|
| Ⅰ型 | 38.3 | 0.010 | 0.013 | 0.255 |
| Ⅱ和Ⅲ型 | 15.2 | 0.022 | 0.089 | 0.676 |
), ArticleFig(id=1276896863278198950, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Table 2, caption=
Key fatigue parameters of materials
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | K'/MPa | n' | σ'f/MPa | b | ε'f | c |
|---|
| Q345 | 1096.50 | 0.1840 | 961.4 | -0.091 | 0.19 | -0.458 |
| Q235 | 999.76 | 0.1992 | 630.0 | -0.080 | 0.16 | -0.462 |
), ArticleFig(id=1276896863353696423, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=表2, caption=
材料的主要疲劳性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | K'/MPa | n' | σ'f/MPa | b | ε'f | c |
|---|
| Q345 | 1096.50 | 0.1840 | 961.4 | -0.091 | 0.19 | -0.458 |
| Q235 | 999.76 | 0.1992 | 630.0 | -0.080 | 0.16 | -0.462 |
), ArticleFig(id=1276896863420805288, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=EN, label=Table 3, caption=
Comparison of predicted and experimental results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 文献来源 | 试件 | N0 | Np | Nf |
|---|
| 试验值/次 | 预测值/次 | 预测/试验 | 试验值/次 | 预测值/次 | 预测/试验 | 试验值/次 | 预测值/次 | 预测/试验 |
|---|
| [28] | Ua | 18000 | 12777 | 0.71 | 27500 | 30597 | 1.11 | 45500 | 43374 | 0.95 |
| S1 | 65000 | 64750 | 1.00 | 94000 | 91828 | 0.98 | 159000 | 156578 | 0.98 |
| [29] | C28-H | 4287 | 3218 | 0.75 | 8613 | 5833 | 0.68 | 12900 | 9051 | 0.70 |
| C28-HF | 25086 | 19066 | 0.76 | 29471 | 31664 | 1.07 | 54557 | 50730 | 0.93 |
| C28-DHF | 272833 | 327874 | 1.20 | 125625 | 181859 | 1.45 | 398458 | 509733 | 1.28 |
| [17] | CU-1 | — | — | — | 142600 | 134376 | 0.94 | 142600 | 134376 | 0.94 |
| CS-1 | — | — | — | 672200 | 765349 | 1.14 | 672200 | 765349 | 1.14 |
| CS-2 | — | — | — | 547300 | 510377 | 0.93 | 547300 | 510377 | 0.93 |
| CS-3 | — | — | — | 478100 | 456269 | 0.95 | 478100 | 456269 | 0.95 |
| EU-1 | — | — | — | 74800 | 67596 | 0.90 | 74800 | 67596 | 0.90 |
| ES-1 | — | — | — | 654600 | 651979 | 1.00 | 654600 | 651979 | 1.00 |
| ES-2 | — | — | — | 846800 | 697359 | 0.82 | 846800 | 697359 | 0.82 |
), ArticleFig(id=1276896863492108457, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896837097353281, language=CN, label=表3, caption=
预测结果与试验结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 文献来源 | 试件 | N0 | Np | Nf |
|---|
| 试验值/次 | 预测值/次 | 预测/试验 | 试验值/次 | 预测值/次 | 预测/试验 | 试验值/次 | 预测值/次 | 预测/试验 |
|---|
| [28] | Ua | 18000 | 12777 | 0.71 | 27500 | 30597 | 1.11 | 45500 | 43374 | 0.95 |
| S1 | 65000 | 64750 | 1.00 | 94000 | 91828 | 0.98 | 159000 | 156578 | 0.98 |
| [29] | C28-H | 4287 | 3218 | 0.75 | 8613 | 5833 | 0.68 | 12900 | 9051 | 0.70 |
| C28-HF | 25086 | 19066 | 0.76 | 29471 | 31664 | 1.07 | 54557 | 50730 | 0.93 |
| C28-DHF | 272833 | 327874 | 1.20 | 125625 | 181859 | 1.45 | 398458 | 509733 | 1.28 |
| [17] | CU-1 | — | — | — | 142600 | 134376 | 0.94 | 142600 | 134376 | 0.94 |
| CS-1 | — | — | — | 672200 | 765349 | 1.14 | 672200 | 765349 | 1.14 |
| CS-2 | — | — | — | 547300 | 510377 | 0.93 | 547300 | 510377 | 0.93 |
| CS-3 | — | — | — | 478100 | 456269 | 0.95 | 478100 | 456269 | 0.95 |
| EU-1 | — | — | — | 74800 | 67596 | 0.90 | 74800 | 67596 | 0.90 |
| ES-1 | — | — | — | 654600 | 651979 | 1.00 | 654600 | 651979 | 1.00 |
| ES-2 | — | — | — | 846800 | 697359 | 0.82 | 846800 | 697359 | 0.82 |
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