Article(id=1268884483974525252, tenantId=1146029695717560320, journalId=1268266580820377661, issueId=1268884383122494171, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1001-4632.2026.02.10, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1750694400000, receivedDateStr=2025-06-24, revisedDate=1772985600000, revisedDateStr=2026-03-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1780455235713, onlineDateStr=2026-06-03, pubDate=1772294400000, pubDateStr=2026-03-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1780455235713, onlineIssueDateStr=2026-06-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1780455235713, creator=13701087609, updateTime=1780455235713, 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=108, endPage=119, ext={EN=ArticleExt(id=1268884484159074630, articleId=1268884483974525252, tenantId=1146029695717560320, journalId=1268266580820377661, language=EN, title=Comparative Selection of Railway Bridge Design Schemes Based on Life-Cycle Cost Analysis, columnId=null, journalTitle=China Railway Science, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Life-cycle cost (LCC) analysis of railway bridges can provide more reasonable data support for the selection of bridge design schemes. Taking a high-speed railway bridge as an example and in combination with the bridge span requirements, two design schemes were proposed: cable-stiffened continuous rigid-frame superstructure and an arch-stiffened continuous rigid-frame superstructure. Based on the budgetary estimate, the construction costs for both design schemes were calculated. Accounting for the uncertainties inherent in the time-variant performance degradation of cables, a time-variant model for the calculation of the failure probability of the cable and hanger system during bridge operation was established to determine the optimal timing for cable and hanger replacement. For maintenance activities such as cable replacement and arch rib painting, the operation and maintenance costs of the two design schemes were calculated and the influence of the time value of capital on the operation and maintenance costs was analyzed. Addressing the uncertainties present in both the cost data and the calculation model, the distribution ranges of the LCCs for the two design schemes were presented. The results indicate that the costs of inspection, maintenance, and reinforcement during bridge operation significantly impact life-cycle costs. The life-cycle cost analysis method proposed in this study can effectively predict the maintenance timing during the operation period, providing support for accurate estimation of life-cycle costs. In the process of life-cycle cost analysis, it is necessary to fully consider the uncertainties during construction and operation, as well as the time value of costs. For the bridge in the case, from the perspective of life-cycle costs, the cable-stiffened continuous rigid-frame bridge design scheme has greater advantages, offering a reference for the selection of design schemes for similar long-span railway bridges.
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铁路桥梁全生命期成本分析能够为桥梁设计方案的选择提供更为合理的数据支撑。以1座高速铁路桥梁为例,结合桥梁跨度需求,提出索加劲连续刚构桥和拱加劲连续刚构桥2种设计方案,基于概算分析,对2个设计方案的建设成本进行计算;考虑拉索性能时变规律的不确定性,建立计算桥梁运营中拉索、吊杆体系失效概率的时变模型,确定拉索、吊杆更换时间;针对拉索更换和拱肋涂装等维护行为,计算2种设计方案的运维成本,分析资本时间价值对运维成本的影响;考虑全生命期成本分析中数据和计算模型的不确定性,给出2种设计方案全生命期成本的分布区间。结果表明:桥梁运营期间检测、维修、加固成本对全生命期成本有较大影响,提出的全生命期成本分析方法能够有效预测运营期管养时间,为全生命期成本准确估计提供支撑;在全生命期成本分析过程中,需充分考虑建设及运营过程的不确定性及成本的时间价值;对于案例桥梁,从全生命期成本角度来看,索加劲连续刚构桥设计方案更具优势。
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, authorsList=解会兵, 于佳平, 韩冰, 陈良江, 周勇政, 刘子钦)}, authors=[Author(id=1268884487170584946, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=hbxie@bjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884487258665334, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, authorId=1268884487170584946, language=EN, stringName=Huibing XIE, firstName=Huibing, middleName=null, lastName=XIE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Civil Engineering, Beijing Jiaotong University, Beijing100044, China
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1.北京交通大学 土木建筑工程学院,北京100044
2.城市轨道交通基础设施智能感知与韧性提升北京市重点实验室,北京100044, bio={"content":"
解会兵(1987—),男,河北邢台人,副教授。E-mail:hbxie@bjtu.edu.cn
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解会兵(1987—),男,河北邢台人,副教授。E-mail:hbxie@bjtu.edu.cn
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1.School of Civil Engineering, Beijing Jiaotong University, Beijing100044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884487975891324, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, authorId=1268884487552266617, language=CN, stringName=于佳平, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.北京交通大学 土木建筑工程学院,北京100044)])]), Author(id=1268884488047194494, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, 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=1268884488537928065, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, authorId=1268884488047194494, language=EN, stringName=Bing HAN, firstName=Bing, middleName=null, lastName=HAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Civil Engineering, Beijing Jiaotong University, Beijing100044, China
2.Beijing Key Laboratory of Intelligent Perception and Resilience Enhancement of Urban Rail Transit Infrastructure, Beijing100044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884488613425538, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, authorId=1268884488047194494, language=CN, stringName=韩冰, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.北京交通大学 土木建筑工程学院,北京100044
2.城市轨道交通基础设施智能感知与韧性提升北京市重点实验室,北京100044, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884486910538086, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, xref=1., ext=[AuthorCompanyExt(id=1268884486918926695, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, companyId=1268884486910538086, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.北京交通大学 土木建筑工程学院,北京100044)]), AuthorCompany(id=1268884487015395689, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, xref=2., ext=[AuthorCompanyExt(id=1268884487023784298, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, companyId=1268884487015395689, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.China Railway Economic and Planning Research Institute, Beijing100038, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884489162879367, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, authorId=1268884488789586308, language=CN, stringName=陈良江, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.中国铁路经济规划研究院有限公司,北京100038)])]), Author(id=1268884489234182537, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, 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=1268884489318068619, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, authorId=1268884489234182537, language=EN, stringName=Yongzheng ZHOU, firstName=Yongzheng, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Civil Engineering, Beijing Jiaotong University, Beijing100044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884490169512337, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, authorId=1268884489997545870, language=CN, stringName=刘子钦, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2013. in Chinese, articleTitle=Sustainability Quantitative Assessment of Reinforced Concrete Bridges Based on Uncertainties, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1268884486910538086, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, xref=1., ext=[AuthorCompanyExt(id=1268884486918926695, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, companyId=1268884486910538086, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2种桥梁设计方案的桥型布置(单位:m), figureFileSmall=N0rHAZ1KTnD/iG7zoSBM2A==, figureFileBig=TyAG9o/5jcu64KUfAWOiuQ==, tableContent=null), ArticleFig(id=1268884493554315680, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=19gw5oHAz73iqJooiS8WNg==, figureFileBig=SJ1VQqOmvzDZBxZ/YoJzHA==, tableContent=null), ArticleFig(id=1268884493780808097, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图2, caption=
索加劲连续刚构桥主梁横断面(单位:cm), figureFileSmall=19gw5oHAz73iqJooiS8WNg==, figureFileBig=SJ1VQqOmvzDZBxZ/YoJzHA==, tableContent=null), ArticleFig(id=1268884493843722658, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=hS5viSj0FxMlbI5+EI7U1A==, figureFileBig=NmYEmZf/JTGWKR5K+kyDHg==, tableContent=null), ArticleFig(id=1268884493910831523, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图3, caption=
索加劲连续刚构桥主墩、主塔立面及侧面(单位:cm), figureFileSmall=hS5viSj0FxMlbI5+EI7U1A==, figureFileBig=NmYEmZf/JTGWKR5K+kyDHg==, tableContent=null), ArticleFig(id=1268884493973746084, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=KVofY2uHUs6FqJNn6diDbQ==, figureFileBig=WDPTYnIyLwQZkYcooXOKbw==, tableContent=null), ArticleFig(id=1268884494036660645, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图4, caption=
拱加劲连续刚构桥主梁横断面(单位:cm), figureFileSmall=KVofY2uHUs6FqJNn6diDbQ==, figureFileBig=WDPTYnIyLwQZkYcooXOKbw==, tableContent=null), ArticleFig(id=1268884494141518246, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=3KqyM4QbSu7j01kuJfiBFw==, figureFileBig=qthlcG8T5zB4VMgmUOmf8A==, tableContent=null), ArticleFig(id=1268884494217015719, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图5, caption=
拱加劲连续刚构桥拱肋横断面(单位:mm), figureFileSmall=3KqyM4QbSu7j01kuJfiBFw==, figureFileBig=qthlcG8T5zB4VMgmUOmf8A==, tableContent=null), ArticleFig(id=1268884494288318888, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=nz7+KAWZwtOPvyIRaQvkVg==, figureFileBig=qQiQcTkNgLI2SeFjZJx0kQ==, tableContent=null), ArticleFig(id=1268884494355427753, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图6, caption=
拱加劲连续刚构桥主墩、主塔立面及侧面(单位:cm), figureFileSmall=nz7+KAWZwtOPvyIRaQvkVg==, figureFileBig=qQiQcTkNgLI2SeFjZJx0kQ==, tableContent=null), ArticleFig(id=1268884494422536618, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=PnNVPJQB0iY3wE7SmbwAHw==, figureFileBig=Ao4cs036lRaG6BZEr8kk5w==, tableContent=null), ArticleFig(id=1268884494485451179, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图7, caption=
拉索在运营期内正常使用的概率演化曲线, figureFileSmall=PnNVPJQB0iY3wE7SmbwAHw==, figureFileBig=Ao4cs036lRaG6BZEr8kk5w==, tableContent=null), ArticleFig(id=1268884494573531564, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=oRpMvq3wEK5YV9KCkeL/fQ==, figureFileBig=/oJ2+xw+bp2E7KhHFMu0oA==, tableContent=null), ArticleFig(id=1268884494653223341, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图8, caption=
2种拉索体系正常使用概率演化情况, figureFileSmall=oRpMvq3wEK5YV9KCkeL/fQ==, figureFileBig=/oJ2+xw+bp2E7KhHFMu0oA==, tableContent=null), ArticleFig(id=1268884494737109422, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=eN0UV7azp8RVD5WnbCHkGw==, figureFileBig=jv6BwBfTzwZtMkWjLGCegQ==, tableContent=null), ArticleFig(id=1268884494804218287, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图9, caption=
容许失效概率与拉索体系使用寿命关系曲线, figureFileSmall=eN0UV7azp8RVD5WnbCHkGw==, figureFileBig=jv6BwBfTzwZtMkWjLGCegQ==, tableContent=null), ArticleFig(id=1268884494871327152, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=KHglaWrVxmOzIRnV361HFw==, figureFileBig=r0fm4+8ZTGPLYeEwxTslNg==, tableContent=null), ArticleFig(id=1268884494946824625, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图10, caption=
铁路桥梁检定项目, figureFileSmall=KHglaWrVxmOzIRnV361HFw==, figureFileBig=r0fm4+8ZTGPLYeEwxTslNg==, tableContent=null), ArticleFig(id=1268884495022322098, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=dMaT25noVp6Z1VqctFQunQ==, figureFileBig=Hg0NBmcK4L//WJUV7qxvWg==, tableContent=null), ArticleFig(id=1268884495106208179, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图11, caption=
2种桥型方案全生命期成本曲线, figureFileSmall=dMaT25noVp6Z1VqctFQunQ==, figureFileBig=Hg0NBmcK4L//WJUV7qxvWg==, tableContent=null), ArticleFig(id=1268884495164928436, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=fXVgn/qnu6fv9lXBLTlijA==, figureFileBig=c+zAhg+jfqkDiKB4vqB65w==, tableContent=null), ArticleFig(id=1268884495240425909, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图12, caption=
考虑折现率为5%时的桥型方案全生命期成本曲线, figureFileSmall=fXVgn/qnu6fv9lXBLTlijA==, figureFileBig=c+zAhg+jfqkDiKB4vqB65w==, tableContent=null), ArticleFig(id=1268884495303340470, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=lT5592v2G5wClMAjv/GUPw==, figureFileBig=iB1iCZ7CyKjUM6I+WeWD3g==, tableContent=null), ArticleFig(id=1268884495378837943, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图13, caption=
不同折现率取值下2种方案全生命期成本曲线, figureFileSmall=lT5592v2G5wClMAjv/GUPw==, figureFileBig=iB1iCZ7CyKjUM6I+WeWD3g==, tableContent=null), ArticleFig(id=1268884495471112632, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=VDgcEFYu0vSeKXlJ3ChwAA==, figureFileBig=tD0X4R0HL3cg+abqxnexqA==, tableContent=null), ArticleFig(id=1268884495550804409, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=CN, label=图14, caption=
考虑不确定性的全生命期成本曲线, figureFileSmall=VDgcEFYu0vSeKXlJ3ChwAA==, figureFileBig=tD0X4R0HL3cg+abqxnexqA==, tableContent=null), ArticleFig(id=1268884495609524666, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884483974525252, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 设计方案 | 主梁混凝土/m3 | 纵向预应力钢绞线/t | 桥塔混凝土/m3 | 加劲索/t | 拱肋钢结构/t | 拱肋混凝土/m3 | 吊杆/t | 临时用钢/t |
|---|
| 索加劲连续刚构桥 | 23 010.0 | 934.5 | 3 003.0 | 454.7 | | | | 1 777.0 |
| 拱加劲连续刚构桥 | 21 601.6 | 1 480.2 | | | 12 66.2 | 1 746.0 | 62.8 | 2 602.0 |
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主要材料工程量
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| 设计方案 | 主梁混凝土/m3 | 纵向预应力钢绞线/t | 桥塔混凝土/m3 | 加劲索/t | 拱肋钢结构/t | 拱肋混凝土/m3 | 吊杆/t | 临时用钢/t |
|---|
| 索加劲连续刚构桥 | 23 010.0 | 934.5 | 3 003.0 | 454.7 | | | | 1 777.0 |
| 拱加劲连续刚构桥 | 21 601.6 | 1 480.2 | | | 12 66.2 | 1 746.0 | 62.8 | 2 602.0 |
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| 设计方案 | 上部结构 | 下部结构 | 附属工程 | 施工辅助设施 |
|---|
| 索加劲连续刚构桥 | 10 153.7 | 4 357.5 | 257.1 | 663.0 |
| 拱加劲连续刚构桥 | 10 026.7 | 5 721.0 | 390.1 | 324.7 |
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不同设计方案工程概算
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| 设计方案 | 上部结构 | 下部结构 | 附属工程 | 施工辅助设施 |
|---|
| 索加劲连续刚构桥 | 10 153.7 | 4 357.5 | 257.1 | 663.0 |
| 拱加劲连续刚构桥 | 10 026.7 | 5 721.0 | 390.1 | 324.7 |
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| 桥式 | 主塔高度/m | 拱肋高度/m | 拉索数/对 | 吊杆数/对 | 最长拉索/m | 最短拉索/m | 拉索或吊杆重量/t | 换索材料费(含锚具)/万元 | 换索施工费/万元 | 协调费/万元 | 单次换索总费用/万元 |
|---|
| 索加劲连续刚构 | 40.7 | | 40 | | 109.7 | 42.6 | 454.7 | 1 455 | 400 | 200 | 2 055 |
| 拱加劲连续刚构 | | 48.0 | | 24 | 46.0 | 10.0 | 62.8 | 226 | 300 | 200 | 726 |
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拉索更换成本清单
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| 桥式 | 主塔高度/m | 拱肋高度/m | 拉索数/对 | 吊杆数/对 | 最长拉索/m | 最短拉索/m | 拉索或吊杆重量/t | 换索材料费(含锚具)/万元 | 换索施工费/万元 | 协调费/万元 | 单次换索总费用/万元 |
|---|
| 索加劲连续刚构 | 40.7 | | 40 | | 109.7 | 42.6 | 454.7 | 1 455 | 400 | 200 | 2 055 |
| 拱加劲连续刚构 | | 48.0 | | 24 | 46.0 | 10.0 | 62.8 | 226 | 300 | 200 | 726 |
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| 涂料名称 | 每道干膜最小厚度/μm | 至少涂装道数 | 总干膜最小厚度/μm |
|---|
| 特质环氧富锌防锈底漆或水性无机富锌防锈底漆 | 40 | 2 | 80 |
| 云铁环氧中间漆 | 40 | 1 | 40 |
| 氟碳面漆 | 35 | 2 | 70 |
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钢结构拱肋防腐涂装体系7
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| 涂料名称 | 每道干膜最小厚度/μm | 至少涂装道数 | 总干膜最小厚度/μm |
|---|
| 特质环氧富锌防锈底漆或水性无机富锌防锈底漆 | 40 | 2 | 80 |
| 云铁环氧中间漆 | 40 | 1 | 40 |
| 氟碳面漆 | 35 | 2 | 70 |
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| 桥式 | 桥梁技术状态检查 | 静载试验 | 脉动测试 | 行车试验 | 其他(辅助设施、机车租赁等) | 管理费、税金 |
|---|
| 索加劲连续刚构 | 12.5 | 66.9 | 14.9 | 13.8 | 31.1 | 24.8 |
| 拱加劲连续刚构 | 9.1 | 53.0 | 10.5 | 22.2 | 31.1 | 21.7 |
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不同涉及方案单次检定成本组成/万元
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| 桥式 | 桥梁技术状态检查 | 静载试验 | 脉动测试 | 行车试验 | 其他(辅助设施、机车租赁等) | 管理费、税金 |
|---|
| 索加劲连续刚构 | 12.5 | 66.9 | 14.9 | 13.8 | 31.1 | 24.8 |
| 拱加劲连续刚构 | 9.1 | 53.0 | 10.5 | 22.2 | 31.1 | 21.7 |
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| 不确定性因子 | 均值 | 变异系数 | 分布类型 |
|---|
| 加固时间不确定性因子 | 1 | 0.10 | 均匀分布 |
| 运维成本不确定性因子 | 1 | 0.29 | 均匀分布 |
| 建设成本不确定性因子 | 1 | 0.07 | 均匀分布 |
| 成本折现率不确定性因子 | 1 | 0.10 | 均匀分布 |
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桥梁全生命期成本分析不确定性因子统计特征
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| 不确定性因子 | 均值 | 变异系数 | 分布类型 |
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| 加固时间不确定性因子 | 1 | 0.10 | 均匀分布 |
| 运维成本不确定性因子 | 1 | 0.29 | 均匀分布 |
| 建设成本不确定性因子 | 1 | 0.07 | 均匀分布 |
| 成本折现率不确定性因子 | 1 | 0.10 | 均匀分布 |
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