无粘结预应力混凝土楼盖开洞改造新技术  

THE NEW OPENING-RECONSTRUCTION TECHNOLOGY OF UNBONDED PRESTRESSED CONCRETE SLABS

作　　者：胡伟[1] 王履塽 洪湘 吕志正 郑重 

机构地区：[1]济南大学建工系,济南250002 [2]山东国泰工程鉴定加固所,济南250014 [3]青岛高科园东亿实业总公司,青岛266012

出　　处：《工业建筑》2001年第3期71-72,77,共3页Industrial Construction

摘　　要：结合实际工程 ,介绍了无粘结预应力楼盖开洞改造工程的概念设计、施工程序、后装式组合锚具的应用等技术要点。该改造工程不需要对预应力钢筋二次张拉和对结构进行临时支撑 ,因而明显地缩短了施工周期并节省了工程费用。Based on a real project, the new technology of opening\|reconstruction on the unbonded prestressed concrete slab has been presented in this paper, which includes the concept design, construction procedure, and application of post\|assembly anchorage ZM15. Using this new technology, there needs no the second tensioning of the prestressing tendons and temporary braces, thus the construction period and cost can be cut down obviously.

关 键 词：无粘结 预应力结构 加固 锚具 楼盖 开洞 施工程序 

分 类 号：TU746.3[建筑科学—建筑技术科学]