大跨度空间拱结构预应力拉杆基础的设计研究

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基金项目:

国家工程建设行业标准《预应力混凝土结构设计规范》研究项目;上海市科委科技支撑计划(09231201102);上海市科委《现代预应力成套技术》(0907H194200);合肥市重点工程建设管理局科研项目(2010CGAZ0669);教育部高等学校博士学科点专项科研基金(20090072110051)

DESIGN AND ANALYSIS ON THE PRESTRESSED TIE ROD FOUNDATION OF LONG-SPAN SPATIAL ARCH STRUCTURE

1.
1. Department of Building Engineering,Tongji University,Shanghai 200092,China;
2.
2. Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education Tongji University,Shanghai 200092,China;
3.
3. Central Research Institute of Building and Construction Co.Ltd,MCC Group,Beijing 100088,China

摘要: 为研究大跨度空间拱结构基础的简化设计方法,建立了预应力拉杆这种最常见基础形式的内力分析模型,提出考虑上部结构与基础间相互作用的内力计算方法。以上、下部结构共同作用的分析模型为依据,明确设计的基本要求与主要步骤,给出设计各阶段相应的计算公式,完善了整个设计流程。为大跨度空间拱结构的基础设计提供快速简便的理论指导和技术支持。
- 大跨度空间拱结构 /
- 基础 /
- 预应力拉杆
Abstract: This subject studies a simplified design method of the long-span spatial arch structure.The internal force analysis models of the most common form-prestressed tie rod are established and a systemic design theory about the long-span spatial arch space structure is formed.Based on the mutual effect between the upper structure and the foundation the basic requirements and major steps for the design are pointed out.The formulas in everyt stage of design are given.The entire design process is improved.This subject fills the research gap in the foundation design of the long-span spatial arch structure.
- long-span spatial arch structure /
- foundation /
- prestressed tie rod