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大跨度空间双曲面螺栓球网架施工卸载技术
Author(s) -
海波 杨
Publication year - 2020
Publication title -
建筑技术研究
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2630-4651
DOI - 10.32629/btr.v3i3.2962
Subject(s) - environmental science
大跨度空间螺栓球网架屋盖结构以其优越的力学性能被大量应用,其施工难度也日益提高,本文主要介绍了汉中东辰外国语学校一期(EPC)10#风雨操场大跨度空间双曲螺栓球网架的同步卸载技术,该技术利用大跨度钢网架的柔性,采取多台液压千斤顶,分区同步卸载。通过施工卸载模拟计算,对屋盖结构卸载过程进行的数值仿真分析表明,变形及应力监测结果与有限元分析结果吻合度相对较高,卸载计算模型合理正确,卸载过程中整个结构受力稳定,验证了现场施工方案和卸载技术的可行性。既保证了结构的安全及施工质量,又保证了卸载的效率。

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