轨道轴线曲率和支撑线倾角对混凝土预埋钢梁铁路桥梁上部结构的同时影响

IF 0.1 Q4 ENGINEERING, CIVIL Romanian Journal of Transport Infrastructure Pub Date : 2018-12-01 DOI:10.2478/rjti-2018-0013
Stănescu Răzvan Marian, Stan Oana Mihaela
{"title":"轨道轴线曲率和支撑线倾角对混凝土预埋钢梁铁路桥梁上部结构的同时影响","authors":"Stănescu Răzvan Marian, Stan Oana Mihaela","doi":"10.2478/rjti-2018-0013","DOIUrl":null,"url":null,"abstract":"Abstract For new railway bridges with small spans (L ≤ 35.00 m) superstructures with steel beams embedded in concrete are recommended and used, which can ensure the requirements of strength and especially stiffness, regardless of velocity. In all the design prescriptions used so far for superstructures with steel beams embedded in concrete, and even in the technical literature, there is little information and data on the influence of the support line obliquity and the track axis curvature in the design and calculation of these types of structures. In the design code, if certain conditions related to the geometry of the superstructure are met (obliquity, curvature) the calculation is a simplified one, made on a single isolated longitudinal beam of the deck; otherwise, if the conditions are not met, finite element program analysis is recommended. The article aims to study the situations in which the requirements of the design prescriptions are not met.","PeriodicalId":40630,"journal":{"name":"Romanian Journal of Transport Infrastructure","volume":"7 1","pages":"77 - 90"},"PeriodicalIF":0.1000,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Simultaneous Influence of the Track Axis Curvature and the Support Line Obliquity at Railway Bridge Superstructures with Steel Beams Embedded in Concrete\",\"authors\":\"Stănescu Răzvan Marian, Stan Oana Mihaela\",\"doi\":\"10.2478/rjti-2018-0013\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract For new railway bridges with small spans (L ≤ 35.00 m) superstructures with steel beams embedded in concrete are recommended and used, which can ensure the requirements of strength and especially stiffness, regardless of velocity. In all the design prescriptions used so far for superstructures with steel beams embedded in concrete, and even in the technical literature, there is little information and data on the influence of the support line obliquity and the track axis curvature in the design and calculation of these types of structures. In the design code, if certain conditions related to the geometry of the superstructure are met (obliquity, curvature) the calculation is a simplified one, made on a single isolated longitudinal beam of the deck; otherwise, if the conditions are not met, finite element program analysis is recommended. The article aims to study the situations in which the requirements of the design prescriptions are not met.\",\"PeriodicalId\":40630,\"journal\":{\"name\":\"Romanian Journal of Transport Infrastructure\",\"volume\":\"7 1\",\"pages\":\"77 - 90\"},\"PeriodicalIF\":0.1000,\"publicationDate\":\"2018-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Romanian Journal of Transport Infrastructure\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2478/rjti-2018-0013\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"ENGINEERING, CIVIL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Romanian Journal of Transport Infrastructure","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2478/rjti-2018-0013","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, CIVIL","Score":null,"Total":0}
引用次数: 0

摘要

摘要对于新建的小跨径(L≤35.00 m)铁路桥,推荐采用混凝土预埋钢梁的上部结构,这种结构在不受速度影响的情况下,能保证强度尤其是刚度的要求。在迄今为止所使用的钢筋混凝土预埋上部结构的设计规程中,甚至在技术文献中,很少有关于支撑线倾角和轨道轴曲率在这类结构的设计和计算中的影响的信息和数据。在设计规范中,如果满足与上层建筑几何形状有关的某些条件(斜度,曲率),则计算是简化的,对甲板的单个隔离纵梁进行计算;否则,如果不满足条件,建议采用有限元程序分析。本文旨在研究不符合设计规范要求的情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
Simultaneous Influence of the Track Axis Curvature and the Support Line Obliquity at Railway Bridge Superstructures with Steel Beams Embedded in Concrete
Abstract For new railway bridges with small spans (L ≤ 35.00 m) superstructures with steel beams embedded in concrete are recommended and used, which can ensure the requirements of strength and especially stiffness, regardless of velocity. In all the design prescriptions used so far for superstructures with steel beams embedded in concrete, and even in the technical literature, there is little information and data on the influence of the support line obliquity and the track axis curvature in the design and calculation of these types of structures. In the design code, if certain conditions related to the geometry of the superstructure are met (obliquity, curvature) the calculation is a simplified one, made on a single isolated longitudinal beam of the deck; otherwise, if the conditions are not met, finite element program analysis is recommended. The article aims to study the situations in which the requirements of the design prescriptions are not met.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
自引率
0.00%
发文量
6
审稿时长
10 weeks
期刊最新文献
The influence of the introduction of an artificial neural network for traffic signal control Impact of remittances on exports and economic growth: a cross country analysis The influence of the introduction of public transportation lanes in the municipality of Bucharest A Moderation effect of atmospheric conditions on PM2.5 traffic related concentration Impact of expansion joints on noise pollution, case study in Cluj-Napoca
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1