双控后张高强钢绞线预应力混凝土技术的应用

Application of double control post-tensioning high strength steel strand prestressed concrete technology

结合安徽阜阳国家粮食储备库这一工程实例 ,叙述了在其屋架施工中预应力筋的材料变更 ,粘结双控后张法预应力钢绞线屋架的施工方法及孔道注浆工艺 ,这些技术的实施保证了该工程的优质建成及施工单位的综合效益 。

Combined with actual engineering the material alternation of prestressed steel bars in roof truss construction,the construction technology of bonding double control post-tensioning high strength steel strand roof truss and hole slurry-injection technology are introduced.The execution of those technologies ensures the better complication and comprehensive benefits of this engineering.Author points out that prestressed technology will widely be used in various constructional engineering.