(北京市建筑设计研究院，100045)

［提要］单层索网幕墙具有通透的建筑效果，同时设计过程较为复杂，对周边支承结构也提出了较高的要求。结合财富中心单层索网幕墙结构设计，研究了具有较柔边框的双向受力索网幕墙体系的设计和倒拆法施工方案。对结构模型的选取、荷载工况的组合和单层索网的预应力张拉设计进行了深入研究。预应力施工张拉方案分别按索内力设计值的50%，80%，100%进行，设计方法是方便有效的。

［关键词单层索网；幕墙；预应力；施工方案

Design of Single layer Cable Net and Analysis of Prestress Control Technology for Lobby of Prosper Center/Sheng Ping,Zhen Wei(Beijing Institute of Architectural Design， Beijing 100045， China)

Abstract: Single layer cable net curtain wall with light weight and fine transparence is difficult to design, and raises critical demand for the supporting structure. Referring to the design scheme of single layer cable net of Prosper Center, the design of single layer cable net curtain wall and supporting system with minor stiffness is studied, and the construction method is raised. The analysis model choosing, load combination, prestress construction design of cable net are thoroughly analyzed. The design method is proved to be efficient through practice.

Keywords: single layer cable net； curtain wall; prestress； construction method