Article(id=1242134504240914492, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242134390566887892, articleNumber=null, orderNo=52, doi=10.3981/j.issn.1000-7857.2016.2.046, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1426867200000, receivedDateStr=2015-03-21, revisedDate=1439049600000, revisedDateStr=2015-08-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1454555982870, onlineDateStr=2016-02-04, pubDate=1453910400000, pubDateStr=2016-01-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1454555982870, onlineIssueDateStr=2016-02-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077543550, creator=sys-migrate, updateTime=1774077543550, updator=sys-migrate, issue=Issue{id=1242134390566887892, tenantId=1146029695717560320, journalId=1146031591421210625, year='2016', volume='34', issue='2', pageStart='1', pageEnd='332', issueExtLink='null', onlineDate='null', pubDate='1453910400000', pubDateStr='2016-01-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077516449, creator='sys-migrate', updateTime=1774077516449, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=271, endPage=276, ext={EN=ArticleExt(id=1242134508166783093, articleId=1242134504240914492, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=An analytical method for jacking force of middle span closure for high pier and long-span continuous rigid frame bridge, columnId=1242116810380743325, journalTitle=Science & Technology Review, columnName=Reviews, runingTitle=null, highlight=null, articleAbstract=In order to determine the jacking force of middle span closure for the high-pier and long-span continuous rigid frame bridge reasonably, an analytical method for jacking force of continuous rigid frame bridge with single pier under closure sequences is developed based on the force method. Taking the construction work of a three span continuous rigid frame bridge as an example, the jacking force and displacement of the middle span closure are calculated by the analytical method, then numerical simulation method is applied to establish the finite element model. The jacking force and displacement are calculated and compared with the principle of eliminating the horizontal displacement of pier top caused by the five-year shrinkage and creep of concrete and closure temperature difference. Monitoring records in practical engineering have shown that the calculating results by the proposed analytical method are basically the same as those by the finite element method (FEM) and the real measurements, and that the error between calculating results by the analytical method and FEM is less than 10%, which indicates that the analytical method has a relatively high calculation accuracy and can meet the requirement of practical engineering., authors=YANG Guojun¹, HAO Xianwu¹, DUAN Ruifang², LI Ziqing¹, authorsList=YANG Guojun, HAO Xianwu, DUAN Ruifang, LI Ziqing, authorCompany=1. School of Highway, Chang'an University, Xi'an 710064, China;
2. Shaanxi College of Communication Technology, Xi'an 710018, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=TVDj15nysnCDqhwYsDlNfg==, pdfFileSize=1868250, 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=1242134506862354523, articleId=1242134504240914492, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=高墩大跨连续刚构桥中跨合龙顶推力计算方法, columnId=1242116809164390686, journalTitle=科技导报, columnName=综述文章, runingTitle=null, highlight=null, articleAbstract=为合理确定高墩大跨连续刚构桥中跨合龙的顶推力,基于力法原理提出一种适用于单柱式墩连续刚构桥先边跨后中跨合龙的顶推力解析计算方法。以某三跨连续刚构桥施工工程为例,应用解析法计算先边跨后中跨合龙的顶推位移和顶推力,同时利用数值模拟法建立有限元模型,以消除5 年收缩徐变及合龙温差引起的墩顶水平位移为原则进行计算比较,并以工程实测结果进行验证。结果显示,解析法计算值、有限元计算值和实测值三者之间误差很小,解析法与有限元法计算误差小于10%,表明解析法具有较高的计算精度,能满足实际工程要求。, authors=杨国俊¹, 郝宪武¹, 段瑞芳², 李子青¹, authorsList=杨国俊, 郝宪武, 段瑞芳, 李子青, authorCompany=1. 长安大学公路学院, 西安 710064;
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