（四川省建筑科学研究院，四川 成都610081）

［摘要］介绍了四川电视塔预应力施工的重点及难点，主要包括水平穿束、竖向穿束、多柱塞高压2500m束的竖向一次灌浆技术。
［关键词］ 电视塔；预应力；钢绞线；穿束工艺；灌浆工艺

In this article, authors introduce the important points and difficult points of prestress construction technology used in the Sichuan TV tower. What authors introduce include penetrating strands horizontally and vertically, high pressure grouting at once technology for 250m length strands with column plugs.