Article(id=1149774733207626028, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2404105, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1717344000000, receivedDateStr=2024-06-03, revisedDate=1738857600000, revisedDateStr=2025-02-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1752057258178, onlineDateStr=2025-07-09, pubDate=1745769600000, pubDateStr=2025-04-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752057258178, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752057258178, creator=13701087609, updateTime=1752057258178, updator=13701087609, issue=Issue{id=1149774724923880044, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='12', pageStart='4827', pageEnd='5272', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752057256203, creator=13701087609, updateTime=1768456746933, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218559174552764785, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218559174552764786, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=5119, endPage=5127, ext={EN=ArticleExt(id=1149774733492838707, articleId=1149774733207626028, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Theoretical Analysis Model of Self-resetting Cylindrical Pier Column Foot Node, columnId=1156262729917780302, journalTitle=Science Technology and Engineering, columnName=Papers·Architectural Science, runingTitle=null, highlight=null, articleAbstract=
In order to study the mechanical properties of the column foot joint of a self-resetting cylindrical pier, the mechanical mechanism of self-resetting cylindrical pier column foot joint with circular section was analyzed theoretically. The calculation formula of key points of the whole force and displacement hysteresis curve of the pier was derived, including yield point, failure point, etc. The theoretical analysis model of the relationship between pier jacking force and displacement was established. Based on OpenSees platform, fiber hinge model was used to model the section of pillar foot of self-resetting energy-consuming pier. Combined with pseudo-static test results, the feasibility and accuracy of the fiber hinge model were verified. On this basis, a self-resetting cylindrical pier was set up by fiber hinge model, and the key point of the deduced force-displacement hysteresis curve was compared with the skeleton curve of the simulated cylindrical pier to verify the accuracy of the deduced method. The results show that the derivation method can obtain the pressure relief point, yield point and failure point of self-resetting cylindrical pier, which can provide reference for the research of self-resetting pier with circular section in the future.
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为研究某自复位圆柱桥墩柱脚节点的力学性能,对圆形截面自复位桥墩柱脚节点力学机理进行理论分析。推导桥墩整体的力与位移滞回曲线关键点的计算公式,包括屈服点、破坏点等,建立圆形桥墩墩顶力与位移关系的理论分析模型。基于OpenSees平台引用纤维铰模型对自复位耗能桥墩柱脚截面进行建模,结合拟静力试验结果,验证纤维铰模型的可行性和建模的准确性。在此基础上,通过纤维铰模型建立设置一个自复位圆柱桥墩,将推导结果的力-位移滞回曲线关键点与模拟得到的圆柱桥墩的骨架曲线结果做对比,验证推导方法的准确性。结果表明:该推导方法可以较好地得出自复位圆柱桥墩的消压点、屈服点和破坏点等,可为今后的圆形截面自复位桥墩研究提供参考。
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1 College of Civil Engineering, Hebei University of Engineering, Handan 056038, China
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1 河北工程大学土木工程学院, 邯郸 056038
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吴平川(1979—),男,汉族,河北曲周人,博士,教授。研究方向:结构抗震。E-mail:wpch2006@126.com。
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吴平川(1979—),男,汉族,河北曲周人,博士,教授。研究方向:结构抗震。E-mail:wpch2006@126.com。
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1 河北工程大学土木工程学院, 邯郸 056038
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1 河北工程大学土木工程学院, 邯郸 056038)]), AuthorCompany(id=1179790630680150064, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, xref=2, ext=[AuthorCompanyExt(id=1179790630692732977, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, companyId=1179790630680150064, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 河北省装配式结构技术创新中心, 邯郸 056000)]), AuthorCompany(id=1179790630797590580, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, xref=3, ext=[AuthorCompanyExt(id=1179790630810173492, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, companyId=1179790630797590580, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 Key Laboratory of Building Failure Mechanism and Defense, China Earthquake Administration, Sanhe 065201, China), AuthorCompanyExt(id=1179790630818562101, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, companyId=1179790630797590580, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 中国地震局建筑物破坏机理与防御重点实验室, 三河 065201)])], figs=[ArticleFig(id=1179790632705998942, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.1, caption=
Schematic diagram of pier section calculation, figureFileSmall=piG3fj/5xOxEJNJWKR61aA==, figureFileBig=K47wWta/ENwR7TfxjyMj6w==, tableContent=null), ArticleFig(id=1179790632785690719, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图1, caption=
桥墩截面计算示意图 R为桥墩截面半径,y为微分段距圆心的距离;Hc为桥墩接触面受压区高度
, figureFileSmall=piG3fj/5xOxEJNJWKR61aA==, figureFileBig=K47wWta/ENwR7TfxjyMj6w==, tableContent=null), ArticleFig(id=1179790632865382496, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.2, caption=
Column jacking force-displacement relationship diagram, figureFileSmall=yyCAzyfAiXfr5N7JX0OTfQ==, figureFileBig=2cvpvx+sKeBsr9aTOjGoQw==, tableContent=null), ArticleFig(id=1179790632978628708, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图2, caption=
柱顶力-位移关系图, figureFileSmall=yyCAzyfAiXfr5N7JX0OTfQ==, figureFileBig=2cvpvx+sKeBsr9aTOjGoQw==, tableContent=null), ArticleFig(id=1179790633045737574, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.3, caption=
Schematic diagram of bending moment calculation in depressurized state, figureFileSmall=mCZFArPUyjWboxJuR6VyaA==, figureFileBig=92rK3Us0c+pn30fZsoW/6Q==, tableContent=null), ArticleFig(id=1179790633100263528, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图3, caption=
消压状态弯矩计算简图 W为桥墩自身重量;Ast为耗能钢筋截面积;σst为耗能钢筋应力;Apt为预应力筋面积;σpt为预应力筋预应力;Fc为桥墩底部接触面受压合力
, figureFileSmall=mCZFArPUyjWboxJuR6VyaA==, figureFileBig=92rK3Us0c+pn30fZsoW/6Q==, tableContent=null), ArticleFig(id=1179790633184149612, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.4, caption=
Calculation diagram of bending moment at yield point, figureFileSmall=Wu8fSZ9IfzefvIopvUPMsQ==, figureFileBig=7wjVrjb6zZgZ2TZTb0BTgw==, tableContent=null), ArticleFig(id=1179790633263841394, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图4, caption=
屈服状态弯矩计算简图 Mf为桥墩屈服状态下弯矩;Hjoin为受压区合力点位置
, figureFileSmall=Wu8fSZ9IfzefvIopvUPMsQ==, figureFileBig=7wjVrjb6zZgZ2TZTb0BTgw==, tableContent=null), ArticleFig(id=1179790633330950260, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.5, caption=
Stress distribution in the compression zone of the section, figureFileSmall=yGBhppXJBzxTxpsNXhRLdg==, figureFileBig=FtlFCNvVMEQyms8MJj2Iyw==, tableContent=null), ArticleFig(id=1179790633435807864, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图5, caption=
截面受压区应力分布图, figureFileSmall=yGBhppXJBzxTxpsNXhRLdg==, figureFileBig=FtlFCNvVMEQyms8MJj2Iyw==, tableContent=null), ArticleFig(id=1179790633490333818, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.6, caption=
Deformation diagram of connection, figureFileSmall=5PVJslZ/UaWnLvcx3ZRKCg==, figureFileBig=v6daysh3AJ9NJ7fPRfvnQQ==, tableContent=null), ArticleFig(id=1179790633544859772, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图6, caption=
节点变形图 θ为屈服状态下的桥墩底部接触面转角
, figureFileSmall=5PVJslZ/UaWnLvcx3ZRKCg==, figureFileBig=v6daysh3AJ9NJ7fPRfvnQQ==, tableContent=null), ArticleFig(id=1179790633632940161, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.7, caption=
Concrete01 model constitutive relation, figureFileSmall=30inPBwHwF8y81QfB34p9g==, figureFileBig=E077gg5+25350MHLj+Xe2Q==, tableContent=null), ArticleFig(id=1179790633687466115, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图7, caption=
Concrete01模型本构关系 fc为混凝土抗压强度;fcu为混凝土极限抗压强度;εc为混凝土压应变;εcu为混凝土破环时的极限压应变
, figureFileSmall=30inPBwHwF8y81QfB34p9g==, figureFileBig=E077gg5+25350MHLj+Xe2Q==, tableContent=null), ArticleFig(id=1179790633767157893, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.8, caption=
Constitutive relation of Steel02 model, figureFileSmall=utS6HmhisWXx87lKqrB/5A==, figureFileBig=ZKUtqNL9JpRVOsGGzVcTgw==, tableContent=null), ArticleFig(id=1179790633846849673, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图8, caption=
Steel02模型本构关系 E为钢筋的弹性模量;Ep为钢筋的屈服刚度;fy桥为钢筋的屈服强度;εy为钢筋屈服应变
, figureFileSmall=utS6HmhisWXx87lKqrB/5A==, figureFileBig=ZKUtqNL9JpRVOsGGzVcTgw==, tableContent=null), ArticleFig(id=1179790633918152843, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.9, caption=
Schematic diagram of fiber hinge model of self-resetting pier, figureFileSmall=74Lrc4TLdfJOtxwu6E2h6A==, figureFileBig=FyMFl9Ny+3HtXZBz8MC63w==, tableContent=null), ArticleFig(id=1179790633981067405, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图9, caption=
自复位桥墩纤维铰模型示意图, figureFileSmall=74Lrc4TLdfJOtxwu6E2h6A==, figureFileBig=FyMFl9Ny+3HtXZBz8MC63w==, tableContent=null), ArticleFig(id=1179790634039787665, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.10, caption=
Comparison of hysteresis curves between test and simulation, figureFileSmall=A4U6p/mRVubPctsR1mmVIg==, figureFileBig=+laYOnJqZ9hpm2CGzCBNmw==, tableContent=null), ArticleFig(id=1179790634098507923, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图10, caption=
试验与模拟滞回曲线对比图, figureFileSmall=A4U6p/mRVubPctsR1mmVIg==, figureFileBig=+laYOnJqZ9hpm2CGzCBNmw==, tableContent=null), ArticleFig(id=1179790634165616789, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Fig.11, caption=
Comparison of skeleton curves between simulation results and calculated results, figureFileSmall=iZDecuLpwsdB/v+I5QqG7A==, figureFileBig=1nWNso4MS0+EyN3auLMgqA==, tableContent=null), ArticleFig(id=1179790634249502869, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=图11, caption=
模拟结果与计算结果骨架曲线对比图, figureFileSmall=iZDecuLpwsdB/v+I5QqG7A==, figureFileBig=1nWNso4MS0+EyN3auLMgqA==, tableContent=null), ArticleFig(id=1179790634333388951, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=EN, label=Table 1, caption=
Section compression zone height calculation
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| α | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | |
| Fc/kN | 129.4 | 358.8 | 640.6 | 968.0 | 1 329.1 | 1 713.9 | 2 152.1 | 2 539.2 | 2 970.1 | 3 399.2 | |
), ArticleFig(id=1179790634421469337, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774733207626028, language=CN, label=表1, caption=
截面受压区高度计算
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| α | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | |
| Fc/kN | 129.4 | 358.8 | 640.6 | 968.0 | 1 329.1 | 1 713.9 | 2 152.1 | 2 539.2 | 2 970.1 | 3 399.2 | |
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