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现浇简支箱梁外侧模纵向滑移施工技术研究

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针对现浇简支箱梁外侧模纵向滑移施工技术问题,本文结合具体工程实例,首先分析了外侧模支架及模板的设计,然后对侧模整体滑移进行了力学计算和模拟分析,最后根据确定的施工方案,阐述了现浇简支箱梁外侧模纵向滑移施工技术及控制措施,研究结果表明:模板在不同跨度下的应力分布与跨度成正比,确定了合理的跨度为6 m;采用侧模滑移方案能有效节约工期、减少成本,并提高项目的社会效益.
Research on Longitudinal Slip Construction Technology of Lateral Formwork of Cast-in-place Simply Supported Box Girder
Aiming at the problem of longitudinal slip construction technology of lateral formwork of cast-in-place simply supported box girder,this paper first analyzes the design of lateral formwork support and formwork,and then carries out mechanical calculation and simulation analysis on the overall slip of lateral formwork.Finally,according to the determined construction scheme,the construction technology and control measures of longitudinal slip of lateral formwork of cast-in-place simply supported box girder are expounded.The research results show that the stress distribution of formwork is proportional to the span under different spans,and the reasonable span is determined to be 6 m.The use of side mold slip scheme can effectively save the construction period,reduce the cost,and improve the social benefits of the project.

cast-in-place simply supported box girderthe outer moldconstruction technologyfinite element simulation

周景征

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中交三公局工程总承包分公司,北京

现浇简支箱梁 外侧模 施工技术 有限元模拟

2024

科学技术创新
黑龙江省科普事业中心

科学技术创新

影响因子:0.842
ISSN:1673-1328
年,卷(期):2024.(7)
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