国家跳台滑雪中心雪如意)主体结构设计

引用文献:

苗磊 杨霄 李青翔 崔娟 朱朵娥 杨镇荣. 国家跳台滑雪中心雪如意)主体结构设计[J]. 建筑结构,2022,48(18):11-17,10.

MIAO Lei YANG Xiao LI Qingxiang CUI Juan ZHU Duoe YANG Zhenrong. Main structural design of National Ski Jumping Center (Xueruyi)[J]. Building Structure,2022,48(18):11-17,10.

作者:苗磊 杨霄 李青翔 崔娟 朱朵娥 杨镇荣
单位:清华大学建筑设计研究院有限公司
摘要:详细介绍了国家跳台滑雪中心(雪如意)项目主体结构的抗侧力体系、抗震性能化设计、山地建筑结构设计等,包含抗震性能化设计方法、针对结构特点采取的措施以及基础设计,给出了结构抗震性能化设计目标,对结构进行了反应谱分析、弹性时程分析和大震动力弹塑性分析,并对重点部位进行了专项分析;根据山地建筑地基基础的特点,选取合理的地基基础方案,并采取了有针对性的措施,保证了结构安全;同时,顶部建筑整体偏心大悬挑给基础及主体结构带来了较大的拉力,通过型钢、预应力岩石锚杆等针对性措施,保障了结构的整体稳定性。
关键词:国家跳台滑雪中心雪如意);山地建筑;整体偏心大悬挑;抗侧力体系;抗震性能化设计;抗倾覆设计;2022北京冬奥会
作者简介:苗磊,学士,工程师,主要从事结构设计工作,Email:miaolei@thad.com.cn。
基金:
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Main structural design of National Ski Jumping Center (Xueruyi)
MIAO Lei YANG Xiao LI Qingxiang CUI Juan ZHU Duoe YANG Zhenrong
(Architectural Design and Research Institute of Tsinghua University Co., Ltd.)
Abstract: The lateral force resisting system, seismic performance-based design, design of mountain buildings, etc.on the main structure of the National Ski Jumping Center(Xueruyi) project was introduced in detail, including the seismic performance-based design method, the measures taken according to the structural characteristics and the foundation design. The seismic performance-based design objectives of the structure were given, and the response spectrum analysis, elastic time history analysis, rarely-occurred earthquake dynamic elastoplastic analysis and special analysis of key parts of the structure were carried out. According to the characteristics of mountain building foundation, a reasonable foundation scheme was selected, and targeted measures were taken to ensure the structural safety. At the same time, the overall eccentric large overhang of the top building has brought great tension to the foundation and main structure. Through targeted measures such as section steel and prestressed rock bolts, the overall stability of the structure was ensured.
Keywords: National Ski Jumping Center(Xueruyi); mountain building; overall eccentric large overhang; lateral force resisting system; seismic performance-based design; anti overturning design; 2022 Beijing Olympic Winter Games
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