Article(id=1281326909162230297, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.12.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1747929600000, receivedDateStr=2025-05-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783421741046, onlineDateStr=2026-07-07, pubDate=1765728000000, pubDateStr=2025-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783421741046, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783421741046, creator=13701087609, updateTime=1783421741046, updator=13701087609, issue=Issue{id=1281326807345500788, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='12', pageStart='1827', pageEnd='1990', issueExtLink='null', onlineDate='null', pubDate='1765728000000', pubDateStr='2025-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783421716772, creator='13701087609', updateTime=1783422145004, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281328603572977733, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281328603572977734, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1919, endPage=1929, ext={EN=ArticleExt(id=1281326909359362586, articleId=1281326909162230297, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Ultimate strength of box girder considering plastic accumulation characteristics under cyclic loading, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
In order to explore the plastic accumulation characteristics of box girders under cyclic hogging and sagging bending moment loads and to study the attenuation law of ultimate strength of box girders based on incremental plastic failure, this paper creatively designed a test device for continuous cyclic bending moment loading, and carried out a series of four-point bending ultimate strength tests on box girders under different loading conditions based on replaceable box girder specimen. Combined with numerical simulation, this study analyzed the variation characteristics of cumulative plasticity critical point, cumulative plastic deformation and neutral axis height of box girders under cyclic loading, and then the influence of constant and variable amplitudes of rotation angle loads on the ultimate strength attenuation of box girders was evaluated. After these investigations, the fluctuating range for the ultimate bearing capacity of ships encountering random extreme waves bending loads was determined to ensure the safety and reliability of ships sailing in severe sea conditions.
, authors=Jin PAN
1, 2, De-gong ZHANG
2, Zhao-jun SONG
1, 2, Ren-jie XU
3, authorsList=Jin PAN, De-gong ZHANG, Zhao-jun SONG, Ren-jie XU, authorCompany=null, correspAuthors=Zhao-jun SONG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 Journal of Ship Mechanics. All rights reserved., 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=1281326912647696962, articleId=1281326909162230297, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=循环载荷下箱型梁考虑塑性累积特性的极限强度, columnId=1241023038926410098, journalTitle=船舶力学, columnName=结构力学, runingTitle=null, highlight=null, articleAbstract=
为探究箱型梁在循环中垂和中拱载荷作用下的累积塑性递增特征,研究箱型梁在递增塑性破坏下的极限强度衰减规律,本文在可替换试样极限弯矩试验设计基础上,创新性地设计了一种不间断循环弯矩加载的极限弯矩试验装置,开展了多种工况下的箱型梁四点弯曲极限强度试验。结合数值仿真,分析了循环载荷作用下箱型梁的累积塑性临界点、塑性累积变形以及中性轴高度变化的特征,研究了恒幅或变幅的转角载荷对箱型梁极限强度衰减的影响,从而确定了遭遇随机极端波浪载荷的船舶极限承载能力评估范围,以确保船舶在恶劣海况下航行的安全性与可靠性。
, authors=潘晋
1, 2, 张得功
2, 宋召军
1, 2, 许仁杰
3, authorsList=潘晋, 张得功, 宋召军, 许仁杰, authorCompany=null, correspAuthors=宋召军, authorNote=
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Effect of different loading paths on damage accumulation in cast steel materials[J]. Journal of Tianjin University (Science and Technology), 2019, 52(A02): 114-119. (in Chinese), articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1281326912928715332, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, xref=1., ext=[AuthorCompanyExt(id=1281326912932909637, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, companyId=1281326912928715332, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Different structures designed for ultimate bending moment test, figureFileSmall=/srFHXdM4vNUrzOUyuzV9g==, figureFileBig=4Ljc+PaqqO+OZ57cpaJAFA==, tableContent=null), ArticleFig(id=1281326916623897196, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图1, caption=
极限弯矩试验设计方法, figureFileSmall=/srFHXdM4vNUrzOUyuzV9g==, figureFileBig=4Ljc+PaqqO+OZ57cpaJAFA==, tableContent=null), ArticleFig(id=1281326916812640877, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.2, caption=
Experimental assembly of box girder, figureFileSmall=t+uaga1PIP76F3ubeROvoA==, figureFileBig=lKeqnonMTWZGE0eKofhjzw==, tableContent=null), ArticleFig(id=1281326916883944046, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图2, caption=
箱型梁试验装配图, figureFileSmall=t+uaga1PIP76F3ubeROvoA==, figureFileBig=lKeqnonMTWZGE0eKofhjzw==, tableContent=null), ArticleFig(id=1281326916963635823, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.3, caption=
Fixature and specimen assembling, figureFileSmall=709UF1ccZ2x1OG3NQXJnZA==, figureFileBig=KZgaMGNafVss2HfMDQPLbA==, tableContent=null), ArticleFig(id=1281326917043327600, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图3, caption=
工装与模型装配图, figureFileSmall=709UF1ccZ2x1OG3NQXJnZA==, figureFileBig=KZgaMGNafVss2HfMDQPLbA==, tableContent=null), ArticleFig(id=1281326917114630769, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.4, caption=
Section form of stiffened box girder, figureFileSmall=rtAOKXDsOeNWcIwLQAaKww==, figureFileBig=sjV0CjeHOZH3bFhi/tSMzw==, tableContent=null), ArticleFig(id=1281326917190128242, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图4, caption=
加筋箱型梁截面形式, figureFileSmall=rtAOKXDsOeNWcIwLQAaKww==, figureFileBig=sjV0CjeHOZH3bFhi/tSMzw==, tableContent=null), ArticleFig(id=1281326917253042803, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.5, caption=
Mechanical properties of steel, figureFileSmall=/kw7NEMYCMx2SBxvZbNdKg==, figureFileBig=n+moDSMkc4xWO5u0/ZfMRQ==, tableContent=null), ArticleFig(id=1281326917324345972, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图5, caption=
钢材材料力学属性, figureFileSmall=/kw7NEMYCMx2SBxvZbNdKg==, figureFileBig=n+moDSMkc4xWO5u0/ZfMRQ==, tableContent=null), ArticleFig(id=1281326917408232053, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.6, caption=
Finite element model of box girder, figureFileSmall=x4SAwZO50OuogHJujba9Vg==, figureFileBig=21BEmLXPT1rtkFw6/SS5+Q==, tableContent=null), ArticleFig(id=1281326917466952310, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图6, caption=
箱型梁有限元模型, figureFileSmall=x4SAwZO50OuogHJujba9Vg==, figureFileBig=21BEmLXPT1rtkFw6/SS5+Q==, tableContent=null), ArticleFig(id=1281326919111119479, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.7, caption=
Ultimate moment-curvature curve for monotonous sagging bending moment loading in Case 1, figureFileSmall=2TM/4ml+DIpVwy5+hBJb7g==, figureFileBig=3kwLAQ+dXtR64bmm2b4yTw==, tableContent=null), ArticleFig(id=1281326919182422648, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图7, caption=
工况1单调中垂压溃曲线, figureFileSmall=2TM/4ml+DIpVwy5+hBJb7g==, figureFileBig=3kwLAQ+dXtR64bmm2b4yTw==, tableContent=null), ArticleFig(id=1281326919249531513, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.8, caption=
Deflection versus cycle number curve of deck in ultimate sagging state and of bottom in ultimate hogging state, figureFileSmall=Kg6ANqI4BQ2O5dp/2YOwjA==, figureFileBig=XHdoLVVXDLYzcSqX6s5zFQ==, tableContent=null), ArticleFig(id=1281326919316640378, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图8, caption=
中垂极值状态甲板与中拱极值状态底板结构挠度变化曲线, figureFileSmall=Kg6ANqI4BQ2O5dp/2YOwjA==, figureFileBig=XHdoLVVXDLYzcSqX6s5zFQ==, tableContent=null), ArticleFig(id=1281326919400526459, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.9, caption=
Cumulative plastic deformation of deck after different numbers of cycle in ultimate sagging state for Case 2, figureFileSmall=xjgBRKO/j3TceJCfsQ+DvQ==, figureFileBig=swKjKh0DqFb6bEKubeeP/A==, tableContent=null), ArticleFig(id=1281326919467635324, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图9, caption=
工况2不同循环次数的中垂状态甲板累积塑性变形, figureFileSmall=xjgBRKO/j3TceJCfsQ+DvQ==, figureFileBig=swKjKh0DqFb6bEKubeeP/A==, tableContent=null), ArticleFig(id=1281326919551521405, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.10, caption=
Curves of neutral axis height versus cycle number, figureFileSmall=F22ZjLilNX+/D6BM4AEJ0w==, figureFileBig=MT5WA4RHfbplglOQxgBslA==, tableContent=null), ArticleFig(id=1281326919631213182, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图10, caption=
中性轴高度变化曲线, figureFileSmall=F22ZjLilNX+/D6BM4AEJ0w==, figureFileBig=MT5WA4RHfbplglOQxgBslA==, tableContent=null), ArticleFig(id=1281326919702516351, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.11, caption=
Hysteretic curves of ultimate bending moment, figureFileSmall=AU0bZbgF503elMGRV6sx7w==, figureFileBig=6BSBMHLdZE/y9qqtEfcEFw==, tableContent=null), ArticleFig(id=1281326919778013824, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图11, caption=
极限弯矩滞回曲线, figureFileSmall=AU0bZbgF503elMGRV6sx7w==, figureFileBig=6BSBMHLdZE/y9qqtEfcEFw==, tableContent=null), ArticleFig(id=1281326919857705601, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.12, caption=
Decay curves of ultimate bending moment, figureFileSmall=qsHGHBO8dgki9XyqdsPlSQ==, figureFileBig=KwwuPOVjkrWSnNMfmCRpiA==, tableContent=null), ArticleFig(id=1281326919920620162, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图12, caption=
极限弯矩衰减曲线, figureFileSmall=qsHGHBO8dgki9XyqdsPlSQ==, figureFileBig=KwwuPOVjkrWSnNMfmCRpiA==, tableContent=null), ArticleFig(id=1281326919991923331, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Fig.13, caption=
Decay curves of ultimate bending moment, figureFileSmall=L16IbgNLrm9dpWC4uO55ag==, figureFileBig=0taAMX4gspppaickQmnBvQ==, tableContent=null), ArticleFig(id=1281326920050643588, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=图13, caption=
极限弯矩衰减曲线, figureFileSmall=L16IbgNLrm9dpWC4uO55ag==, figureFileBig=0taAMX4gspppaickQmnBvQ==, tableContent=null), ArticleFig(id=1281326920109363845, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Tab.1, caption=
Test cases of ultimate strength of box girder
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 研究方法 | 转角载荷加载方式 | 中垂和中拱循环载荷特征 |
|---|
| 注:φu是箱型梁在首次弯曲载荷下的极限崩溃状态曲率,不同尺寸箱型梁的极限崩溃状态曲率不同,对应φu取值不同。 |
| 工况1 | 试验/数值 | 单次中垂加载 | 单调递增转角载荷 |
| 工况2 | 试验/数值 | 12次1.2φu | 恒幅转角循环载荷(崩溃后1.2φu) |
| 工况3 | 试验/数值 | 0.9φu~1.2φu各3次, 增量0.1φu | 递增转角循环载荷(崩溃前0.9φu到崩溃后1.2φu) |
| 工况4 | 数值 | 12次0.9φu | 恒幅转角循环载荷(崩溃前0.9φu) |
| 工况5 | 数值 | 12次1.0φu | 恒幅转角循环载荷(极限状态1.0φu) |
| 工况6 | 数值 | 12次1.1φu | 恒幅转角循环载荷(崩溃后1.1φu) |
| 工况7 | 数值 | 1.2φu~0.9φu各3次, 减量0.1φu | 递减转角循环载荷(崩溃后1.2φu到崩溃前0.9φu) |
| 工况8 | 数值 | 1.0φu–1.1φu–0.9φu–1.2φu, 各3次 | 随机幅值转角循环载荷1 |
| 工况9 | 数值 | 1.0φu–1.2φu–0.9φu–1.1φu, 各3次 | 随机幅值转角循环载荷2 |
), ArticleFig(id=1281326920184861318, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=表1, caption=
箱型梁极限强度工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 研究方法 | 转角载荷加载方式 | 中垂和中拱循环载荷特征 |
|---|
| 注:φu是箱型梁在首次弯曲载荷下的极限崩溃状态曲率,不同尺寸箱型梁的极限崩溃状态曲率不同,对应φu取值不同。 |
| 工况1 | 试验/数值 | 单次中垂加载 | 单调递增转角载荷 |
| 工况2 | 试验/数值 | 12次1.2φu | 恒幅转角循环载荷(崩溃后1.2φu) |
| 工况3 | 试验/数值 | 0.9φu~1.2φu各3次, 增量0.1φu | 递增转角循环载荷(崩溃前0.9φu到崩溃后1.2φu) |
| 工况4 | 数值 | 12次0.9φu | 恒幅转角循环载荷(崩溃前0.9φu) |
| 工况5 | 数值 | 12次1.0φu | 恒幅转角循环载荷(极限状态1.0φu) |
| 工况6 | 数值 | 12次1.1φu | 恒幅转角循环载荷(崩溃后1.1φu) |
| 工况7 | 数值 | 1.2φu~0.9φu各3次, 减量0.1φu | 递减转角循环载荷(崩溃后1.2φu到崩溃前0.9φu) |
| 工况8 | 数值 | 1.0φu–1.1φu–0.9φu–1.2φu, 各3次 | 随机幅值转角循环载荷1 |
| 工况9 | 数值 | 1.0φu–1.2φu–0.9φu–1.1φu, 各3次 | 随机幅值转角循环载荷2 |
), ArticleFig(id=1281326920277136007, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=EN, label=Tab.2, caption=
Boundary conditions and loads
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| 位置 | 位移 | | 转角 |
|---|
| ux | uy | $u_z $ | | θx | θy | $\theta_z $ |
|---|
| 前端面参考点 | 约束 | 约束 | 约束 | | 载荷 | – | 约束 |
| 后端面参考点 | 约束 | 约束 | – | | 载荷 | – | – |
), ArticleFig(id=1281326920352633480, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326909162230297, language=CN, label=表2, caption=
模型边界条件与载荷
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| 位置 | 位移 | | 转角 |
|---|
| ux | uy | $u_z $ | | θx | θy | $\theta_z $ |
|---|
| 前端面参考点 | 约束 | 约束 | 约束 | | 载荷 | – | 约束 |
| 后端面参考点 | 约束 | 约束 | – | | 载荷 | – | – |
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