大跨度半球形钢筋混凝土穹顶结构施工技术  

CONSTRUCTION TECHNOLOGY ANALYSIS OF LARGE-SPAN HEMISPHERICAL REINFORCED CONCRETE DOME STRUCTURE

作　　者：雍明 童科慰 张科 李国雄 覃金玉 Yong Ming;Tong Ke-wei;Zhang Ke;Li Guo-xiong;Qin Jin-yu

机构地区：[1]中国建筑第二工程局有限公司,广东深圳518000 [2]浙江省电力建设有限公司,浙江宁波315016

出　　处：《建筑技术开发》2025年第4期12-14,共3页Building Technology Development

摘　　要：针对穹顶结构的复杂曲面特征与力学特性,重点探讨了支撑体系优化、模板模块化设计、分段浇筑工艺及精细化施工控制措施。通过对比不同支撑方案,采用可调式钢桁架体系确保高空作业安全与结构稳定性。详述了钢筋绑扎、埋件安装及气顶升施工等环节的协同管理要点,强调施工过程中质量监测与工序衔接的重要性。工程实践表明,该技术体系在保障结构安全性与耐久性的基础上,显著提升了施工效率,降低了综合成本,为同类大跨度穹顶结构施工提供了可借鉴的经验。Focusing on the complex surface characteristics and mechanical properties of the dome structure,the optimization of the support system,modular design of templates,segmented pouring process,and refined construction control measures were discussed.By comparing different support schemes,an adjustable steel truss system is adopted to ensure the safety and structural stability of high-altitude operations.This article elaborates on the key points of collaborative management in steel bar binding,embedded part installation,and air lift construction,emphasizing the importance of quality monitoring and process connection during the construction process.Engineering practice has shown that this technology system significantly improves construction efficiency and reduces overall costs while ensuring structural safety and durability,providing valuable experience for the construction of similar large-span dome structures.

关 键 词：混凝土穹顶 半球形 LNG工程 

分 类 号：TU755[建筑科学—建筑技术科学]