缓粘结预应力研究综述  

Review of research on retard-bonded prestressed

作　　者：熊学玉[1,2] 肖启晟 李晓峰 Xiong Xueyu;Xiao Qisheng;Li Xiaofeng(Institute of Prestressed Structures, Tongji University, Shanghai 200092, China;Key Laboratory of Advanced Civil Engineering Materials （Tongji University） , Ministry of Education, Shanghai 200092, China;Subei Railway Co., Ltd., Nanjing 210042, China)

机构地区：[1]同济大学预应力研究所,上海200092 [2]同济大学先进土木工程材料教育部重点实验室,上海200092 [3]苏北铁路有限公司,南京210042

出　　处：《建筑结构》2018年第8期83-90,共8页Building Structure

基　　金：住房城乡建设部研究开发项目(2016-K5-020)

摘　　要：缓粘结预应力技术是继无粘结和有粘结预应力技术之后发展起来的一项新的预应力技术,其结合了无粘结和有粘结预应力在施工和受力性能上的优点,又规避了不足,具有更广泛的应用范围。从缓粘结预应力技术的研究背景出发,简要介绍了这项新型预应力技术在国内外的应用情况,并主要就缓粘结材料、粘结性能、施工性能、静力和疲劳性能这几个方面对缓粘结预应力体系的研究进展做出介绍、梳理和评述。结合已有的研究成果及该技术发展历程,对其未来在粘结材料性能、筋材规格种类、构件的防灾及疲劳性能方面阐述了几点展望。Retard-bonded prestressed technique is a new prestressed technique developed after bonded and unbonded prestressed techniques,which combines the advantages and overcome the disadvantages of both of them in construction and mechanical performance. It has wider range of application. Starting from the research background of retard-bonded prestressed technique,the application of this new type of prestressed technique at home and abroad was briefly introduced,and the research progress in retard-bonded prestressed system was introduced,reviewed and commented in perspectives including retard-bonded materials,bonding properties,construction performance,static and fatigue properties. Based on the existing research results and the development history of the technique,the future prospect was discussed in terms of bonding material properties,types of steel bars,disaster prevention and fatigue properties of components.

关 键 词：缓粘结预应力 预应力混凝土 研究进展 

分 类 号：TU378.2[建筑科学—结构工程]