Article(id=1268884571333497617, tenantId=1146029695717560320, journalId=1268266580820377661, issueId=1268884383122494171, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1001-4632.2026.02.12, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1742140800000, receivedDateStr=2025-03-17, revisedDate=1768406400000, revisedDateStr=2026-01-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1780455256540, onlineDateStr=2026-06-03, pubDate=1772294400000, pubDateStr=2026-03-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1780455256540, onlineIssueDateStr=2026-06-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1780455256540, creator=13701087609, updateTime=1780455256540, updator=13701087609, issue=Issue{id=1268884383122494171, tenantId=1146029695717560320, journalId=1268266580820377661, year='2026', volume='47', issue='2', pageStart='1', pageEnd='255', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1780455211667, creator=13701087609, updateTime=1780455310713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1268884798719300557, tenantId=1146029695717560320, journalId=1268266580820377661, issueId=1268884383122494171, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1268884798723494862, tenantId=1146029695717560320, journalId=1268266580820377661, issueId=1268884383122494171, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=134, endPage=146, ext={EN=ArticleExt(id=1268884573086716691, articleId=1268884571333497617, tenantId=1146029695717560320, journalId=1268266580820377661, language=EN, title=Mechanism and Parameter Influence of Failure Evolution of Inclined Bolt Segment Joints, columnId=null, journalTitle=China Railway Science, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To clarify the stress characteristics and failure mechanism of inclined bolt joints in subway shield tunnel segments, firstly, full-scale tests were designed and carried out on 2 adjacent segment standard blocks based on the supporting engineering. The stress-strain development law of concrete in each part of the inclined bolt segment joint during bearing was analyzed, and the failure process of the segment joint was studied in stages. Then, a numerical model was established to compare the failure process and characteristic change laws of segment joints under 2
methods numerical simulation and full-scale testing. The rationality of the established model was verified, and the characteristic load values reflecting the bearing capacity of each stage were determined. Finally, influence laws of concrete strength, joint voids, and bolt strength on bearing performance were investigated. The results show that the failure process of the inclined bolt joint of the segment presents a four-stage characteristic. In the cracking stage, the bolt is the main load-bearing component, and the change in stiffness curve corresponds to the failure stage. However, there is a significant spatial attenuation characteristic in the constraint effect of the bolt. The bearing capacity of the joint decreases after cracking and recovers after contacting with the outer arc surface. The compressive zone of the joint concrete gradually moves upward with the opening angle of the inner arc surface, and the inclined bolt is subjected to the greatest force and significant deformation on the joint surface, where concrete cracks first appear. The influence on the change of joint stiffness is the most significant when the concrete grade of the segment is between C50 and C60, and the improvement effect of joint stiffness is the best when the joint void is between 3 and 4 mm. At this point, selecting bolts of grade 6.8-8.8 can balance economy and bearing performance.
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为明确地铁盾构隧道管片斜螺栓接头受力特性及失效机理,首先,针对依托工程2块相邻管片标准块设计并开展足尺试验,分析斜螺栓管片接头各部分混凝土在承载时的应力应变发展规律,分阶段研究管片接头的破坏过程;然后,建立数值模型,对比数值模拟和足尺试验2种方法下的管片接头破坏过程及特征变化规律,验证所建模型合理性并确定反映各阶段承载力的特征荷载值;最后,分析混凝土强度、接头空隙及螺栓强度对承载性能的影响规律。结果表明:管片斜螺栓接头破坏过程呈现4阶段特征,开裂阶段螺栓为主要承力部件,刚度曲线变化与破坏阶段对应,但螺栓约束作用存在显著的空间衰减特性;接头承载性能在开裂后下降,在外弧面接触后回升,接缝混凝土受压区随内弧面张开角逐渐上移,且斜螺栓在接缝面受力最大、变形显著,混凝土裂缝最先出现在接缝面部位;管片混凝土等级在C50~C60时对接头刚度变化的影响最为显著,接头空隙在3~4 mm时对接头刚度的提升效果最好,此时选取6.8~8.8级螺栓可兼顾经济与承载性能。
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, authorsList=李少华, 刘帅磊, 张玉龙, 杨涛, 冯武, 李鹏飞, 姚铁军)}, authors=[Author(id=1268884579487224649, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zz16lish@yeah.net, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884579571110733, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884579487224649, language=EN, stringName=Shaohua LI, firstName=Shaohua, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 3, address=
1.China Railway 15th Bureau Group Corporation Limited, Shanghai200070, China
3.China Railway 15th Bureau Group Underground Engineering Co., Ltd., YangzhouJiangsu225101, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884579734688590, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884579487224649, language=CN, stringName=李少华, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 3, address=
1.中铁十五局集团有限公司,上海200070
3.中铁十五局集团有限公司 地下工程有限公司,江苏扬州225101, bio={"content":"
李少华(1989—)河南郑州人,高级工程师,博士。E-mail:zz16lish@yeah.net
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李少华(1989—)河南郑州人,高级工程师,博士。E-mail:zz16lish@yeah.net
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3.中铁十五局集团有限公司 地下工程有限公司,江苏扬州225101)])]), Author(id=1268884579805991760, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884579889877842, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884579805991760, language=EN, stringName=Shuailei LIU, firstName=Shuailei, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.Key Lab of Urban Security and Disaster Engineering Ministry of Education, Beijing University of Technology, Beijing100124, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884581781508947, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884579805991760, language=CN, stringName=刘帅磊, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.北京工业大学 城市与工程安全减灾省部共建教育部重点实验室,北京100124, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884579319452480, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, xref=2., ext=[AuthorCompanyExt(id=1268884579327841089, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579319452480, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Key Lab of Urban Security and Disaster Engineering Ministry of Education, Beijing University of Technology, Beijing100124, China), AuthorCompanyExt(id=1268884579340424002, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579319452480, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.北京工业大学 城市与工程安全减灾省部共建教育部重点实验室,北京100124)])]), Author(id=1268884581886366549, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884581970252631, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884581886366549, language=EN, stringName=Yulong ZHANG, firstName=Yulong, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.China Railway 15th Bureau Group Underground Engineering Co., Ltd., YangzhouJiangsu225101, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884582255465304, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884581886366549, language=CN, stringName=张玉龙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.中铁十五局集团有限公司 地下工程有限公司,江苏扬州225101, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884579403338564, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, xref=3., ext=[AuthorCompanyExt(id=1268884579411727173, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579403338564, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.China Railway 15th Bureau Group Underground Engineering Co., Ltd., YangzhouJiangsu225101, China), AuthorCompanyExt(id=1268884579428504390, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579403338564, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.中铁十五局集团有限公司 地下工程有限公司,江苏扬州225101)])]), Author(id=1268884582364517210, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884582666507100, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884582364517210, language=EN, stringName=Tao YANG, firstName=Tao, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.China Railway 15th Bureau Group Underground Engineering Co., Ltd., YangzhouJiangsu225101, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884582750393181, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884582364517210, language=CN, stringName=杨涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.中铁十五局集团有限公司 地下工程有限公司,江苏扬州225101, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884579403338564, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, xref=3., ext=[AuthorCompanyExt(id=1268884579411727173, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579403338564, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.中铁十五局集团有限公司 地下工程有限公司,江苏扬州225101)])]), Author(id=1268884583081743199, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884583165629281, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884583081743199, language=EN, stringName=Wu FENG, firstName=Wu, middleName=null, lastName=FENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.Key Lab of Urban Security and Disaster Engineering Ministry of Education, Beijing University of Technology, Beijing100124, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884583505367906, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884583081743199, language=CN, stringName=冯武, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.北京工业大学 城市与工程安全减灾省部共建教育部重点实验室,北京100124, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884579319452480, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, xref=2., ext=[AuthorCompanyExt(id=1268884579327841089, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579319452480, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Key Lab of Urban Security and Disaster Engineering Ministry of Education, Beijing University of Technology, Beijing100124, China), AuthorCompanyExt(id=1268884579340424002, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579319452480, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.北京工业大学 城市与工程安全减灾省部共建教育部重点实验室,北京100124)])]), Author(id=1268884583576671076, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lpf@bjut.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884583677334374, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884583576671076, language=EN, stringName=Pengfei LI, firstName=Pengfei, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.Key Lab of Urban Security and Disaster Engineering Ministry of Education, Beijing University of Technology, Beijing100124, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884583970935655, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884583576671076, language=CN, stringName=李鹏飞, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.北京工业大学 城市与工程安全减灾省部共建教育部重点实验室,北京100124, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884579319452480, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, xref=2., ext=[AuthorCompanyExt(id=1268884579327841089, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579319452480, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Key Lab of Urban Security and Disaster Engineering Ministry of Education, Beijing University of Technology, Beijing100124, China), AuthorCompanyExt(id=1268884579340424002, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, companyId=1268884579319452480, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.北京工业大学 城市与工程安全减灾省部共建教育部重点实验室,北京100124)])]), Author(id=1268884584042238825, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, orderNo=6, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884584398754667, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, authorId=1268884584042238825, language=EN, stringName=Tiejun YAO, firstName=Tiejun, middleName=null, lastName=YAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
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荷载-挠度变化曲线, figureFileSmall=8luzb+pPOWoLx9c/6q/gxg==, figureFileBig=sHCeOQKjj7IG6//KynYl4Q==, tableContent=null), ArticleFig(id=1268884591088669569, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=HzMkaIFMEHAGpWpQbqKeRg==, figureFileBig=5GlFCa6Ax4Vuugxfr9Oz5A==, tableContent=null), ArticleFig(id=1268884591143195522, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=图5, caption=
螺栓拉力变化曲线, figureFileSmall=HzMkaIFMEHAGpWpQbqKeRg==, figureFileBig=5GlFCa6Ax4Vuugxfr9Oz5A==, tableContent=null), ArticleFig(id=1268884591206110083, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=1llkCXe9MfyQ3tnEgKBz/Q==, figureFileBig=4WY3jkNmXrz2QhBp5C+9Hg==, tableContent=null), ArticleFig(id=1268884591277413252, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=图6, caption=
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侧弧面应变-荷载关系曲线, figureFileSmall=Kppz89lauTkUB3d4Acu5TA==, figureFileBig=JzEnkpujOSFx85XTQpjolQ==, tableContent=null), ArticleFig(id=1268884591956890509, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=w4PVKyUzaSkU+fwc8Ost7w==, figureFileBig=q/k1aXVQ1IvI9lQFk9AbeA==, tableContent=null), ArticleFig(id=1268884592040776590, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=图11, caption=
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2种方法下外弧面接触特征, figureFileSmall=cnQXj0ikFYXkWTBW2u39uA==, figureFileBig=SGngliT+g+4HzUZCnzp9BA==, tableContent=null), ArticleFig(id=1268884592841888665, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=tByhUvx7iaa++S27+YF4sg==, figureFileBig=oKqqsc5QoWHK6jWuvrxGfw==, tableContent=null), ArticleFig(id=1268884592904803226, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=图17, caption=
接头刚度与混凝土强度等级关系曲线, figureFileSmall=tByhUvx7iaa++S27+YF4sg==, figureFileBig=oKqqsc5QoWHK6jWuvrxGfw==, tableContent=null), ArticleFig(id=1268884592984495003, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=Z4sESjJ16EAO2siNJZkaoQ==, figureFileBig=BOJx/LKSEcFkerLOOsqQeA==, tableContent=null), ArticleFig(id=1268884593059992476, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=图18, caption=
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接头刚度与螺栓强度等级关系曲线, figureFileSmall=xrWlaia05tOkarGyA+ahfQ==, figureFileBig=Mvy1Ie3SiAkUlICw2m0Ylg==, tableContent=null), ArticleFig(id=1268884593261319071, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| /(N · mm-²) | /10-6 | | |
|---|
| 25 | 1 560 | 1.06 | 2.6 |
| 30 | 1 640 | 1.36 | 2.3 |
| 35 | 1 720 | 1.65 | 2.1 |
| 40 | 1 790 | 1.94 | 2.0 |
| 45 | 1 850 | 2.21 | 1.9 |
| 50 | 1 920 | 2.48 | 1.9 |
| 55 | 1 980 | 2.74 | 1.8 |
| 60 | 2 030 | 3.00 | 1.8 |
| 65 | 2 080 | 3.25 | 1.7 |
| 70 | 2 130 | 3.50 | 1.7 |
| 75 | 2 190 | 3.75 | 1.7 |
), ArticleFig(id=1268884593328427936, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=表1, caption=
混凝土单轴受压应力-应变曲线参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| /(N · mm-²) | /10-6 | | |
|---|
| 25 | 1 560 | 1.06 | 2.6 |
| 30 | 1 640 | 1.36 | 2.3 |
| 35 | 1 720 | 1.65 | 2.1 |
| 40 | 1 790 | 1.94 | 2.0 |
| 45 | 1 850 | 2.21 | 1.9 |
| 50 | 1 920 | 2.48 | 1.9 |
| 55 | 1 980 | 2.74 | 1.8 |
| 60 | 2 030 | 3.00 | 1.8 |
| 65 | 2 080 | 3.25 | 1.7 |
| 70 | 2 130 | 3.50 | 1.7 |
| 75 | 2 190 | 3.75 | 1.7 |
), ArticleFig(id=1268884593387148193, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| /(N · mm-²) | /10-6 | |
|---|
| 1.0 | 65 | 0.31 |
| 1.5 | 81 | 0.70 |
| 2.0 | 95 | 1.25 |
| 2.5 | 107 | 1.95 |
| 3.0 | 118 | 2.87 |
| 3.5 | 128 | 3.82 |
| 4.0 | 137 | 5.00 |
), ArticleFig(id=1268884593450062754, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=表2, caption=
混凝土单轴受拉应力-应变曲线参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| /(N · mm-²) | /10-6 | |
|---|
| 1.0 | 65 | 0.31 |
| 1.5 | 81 | 0.70 |
| 2.0 | 95 | 1.25 |
| 2.5 | 107 | 1.95 |
| 3.0 | 118 | 2.87 |
| 3.5 | 128 | 3.82 |
| 4.0 | 137 | 5.00 |
), ArticleFig(id=1268884593508783011, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶段 | 特征荷载值/kN | 误差比/% |
|---|
| 数值模拟结果 | 足尺试验结果 |
|---|
| 混凝土开裂阶段 | 65.5 | 64 | 2.30 |
| 接头整体破坏阶段 | 145.0 | 142 | 2.10 |
| 接头极限破坏阶段 | 266.7 | 265 | 0.64 |
), ArticleFig(id=1268884595157144484, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884571333497617, language=CN, label=表3, caption=
2种方法下特征荷载值对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶段 | 特征荷载值/kN | 误差比/% |
|---|
| 数值模拟结果 | 足尺试验结果 |
|---|
| 混凝土开裂阶段 | 65.5 | 64 | 2.30 |
| 接头整体破坏阶段 | 145.0 | 142 | 2.10 |
| 接头极限破坏阶段 | 266.7 | 265 | 0.64 |
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