马  明，赵基达，钱基宏
（中国建筑科学研究院，北京100013）

[摘要] 对网架结构的损伤情况及常用的加固方式加以总结，并对预应力加固方法作了简单介绍。还根据具体实例详细介绍了某网架预应力加固设计的方案选择与具体设计情况。并对预应力加固施工情况进行了说明。
[关键词] 预应力加固；网架

    Application of Prestressing Technology for Strengthening Space Truss Structure
    Ma Ming, Zhao Jida, Qian Jihong
    ( China Academy of Building Research,  Beijing  100013, China)

Abstract: The damage reasons of the space truss structures and the strengthening methods are concluded. Prestressing strengthening method is introduced. A practical application of strengthening a space truss structure by prestressing strengthening method is introduced detailed.
Keywords: prestressing strengthening; space truss structure