大跨内灌混凝土箱梁预应力拉杆施工过程分析及监测  

Analysis and Monitoring of Construction Process of Prestressed Tie Rods in Large-span Internally Grouted Concrete Box Beams

作　　者：俞茏家 唐颖 黄杰 衡成禹 Yu Longjia;Tang Ying;Huang Jie;Heng Chengyu(China Construction Eighth Bureau New Construction Engineering Co.,Ltd.,Shanghai,200125)

机构地区：[1]中建八局新型建造工程有限公司,上海200125

出　　处：《建设科技》2023年第22期65-67,共3页Construction Science and Technology

摘　　要：阜宁文体中心项目游泳馆为大跨度内灌混凝土箱梁及钢拉杆组合体系,大跨度箱梁通过支撑架进行分段吊装,施工过程涉及到卸载、灌浆及张拉,结构体系多次变化,拉杆的张拉影响着整体的受力和变形。本文中的项目采用Midas Gen大型有限元分析软件对施工过程进行全过程模拟分析,并做好施工过程监测,确保结构最终受力满足设计要求。The swimming pool of the Funing Sports Center project is a combination system of large-span internally grouted concrete box beams and steel tie rods.The large-span box beams are lifted in sections through support frames,and the construction process involves unloading,grouting,and tensioning.The structural system has undergone multiple changes,and the tension of the tie rods affects the overall stress and deformation.The proj-ect in this article use Midas Gen large-scale finite element analysis software to simulate and analyze the whole construction process,and monitor the construction process to ensure that the final stress of the structure meets the design requirements.

关 键 词：大跨度 灌浆 钢拉杆 施工模拟 监测 

分 类 号：TU74[建筑科学—建筑技术科学]