高速铁路连续梁工程悬臂浇筑施工技术.pdf
ConstructionDecoration建筑技术
高速铁路连续梁工程悬臂浇筑施工技术
宁海明
中铁十九局集团第六工程有限公司 江苏 无锡 214000
摘 要 随着交通体系持续发展,高速铁路工程建设不断开展。其中连续梁工程作为高速铁路施工中的重要组成部
分,施工质量得到重点关注。在施工时,悬臂浇筑施工应用较广,但对箱梁荷载能力、变形问题考虑不足,导致浇
筑效果不理想。本文结合实际案例,阐述高速铁路连续梁工程悬臂浇筑施工技术要点,提出提升箱梁荷载强度、有
效规避变形问题的措施。最终结果证明,方法科学有效,可以保证工程高差在5.0mm范围内,显著提升施工质量。
关键词 高速铁路;连续梁工程;悬臂浇筑施工;荷载强度;变形问题
Cast-in-placeCantileverConstructionTechnologyforHigh-SpeedRailwayContinuousBeamProject
NingHai-ming
ChinaRailway19thBureauGroupSixthEngineeringCo.,Ltd.,Wuxi214000,JiangsuProvince,China
AbstractWiththecontinuousdevelopmentofthetransportationsystem,theconstructionofhigh-speedrailwayprojects
hasbeencarriedoutcontinuously.Amongthem,thecontinuousbeamprojectisanimportantpartintheconstructionof
high-speedrailway,andtheconstructionqualityhasbeenafocus.Duringconstruction,cast-in-placecantileverconstruction
is widely used. However, the load capacity and deformation of the box girder are not taken into sufficient consideration,
resultinginunsatisfactorypouringeffect.Combinedwithactualcases,thispaperexpoundsthekeypointsofcast-in-place
cantileverconstructiontechnologyofhigh-speedrailwaycontinuousbeamproject,andproposesmeasurestoimprovethe
load strength of box girder and effectively avoid deformation. The final results demonstrate that the method is scientific and
effective, and can ensure that the height difference of the project is within the range of 5.0 mm, which significantly improves
theconstructionquality.
Keywordshigh-speedrailway;continuousbeamproject;cast-in-placecantileverconstruction;loadstrength;deformation
problem
引言1 工程案例阐述
高速铁路的建设一直以来都是交通基础设施领域的重要1.1项目概述
任务之