体外预应力加固混凝土井式梁板结构技术  

TECHNIQUE OF CAISSON BEAM-SLAB STRUCTURE OF EXTERNAL PRESTRESSED REINFORCED CONCRETE

作　　者：夏斌 臧华[2] 

机构地区：[1]无锡市市政工程设计研究院有限公司,江苏无锡214072 [2]南京理工大学土木工程学院,南京211167

出　　处：《建筑技术》2009年第12期1090-1092,共3页Architecture Technology

摘　　要：结合加固工程,探讨体外预应力技术在混凝土井式楼盖加固工程中的应用,提出预应力加固方案和相应的设计计算方法。工程实践证明,采用体外预应力技术加固井式楼板效果好,施工便捷,费用低且能充分发挥钢绞线的较高强度。Application of external prestressing technology in caisson concrete floor reinforcement project is discussed and prestressing reinforcement method and relevant design and calculation methods are put forward herein according to practical reinforcement projects. It is approved that external prestressing technology is effective, convenient and cost-saving for reinforcement of caisson floor and can realize high strength of steel strand.

关 键 词：体外预应力 加固 井式楼盖 

分 类 号：TU746.3[建筑科学—建筑技术科学]