体外预应力设计关键技术分析  

On key technical analysis of external prestressed design

作　　者：欧阳明[1] 

机构地区：[1]湖北省交通规划设计院,湖北武汉430051

出　　处：《山西建筑》2016年第22期159-161,共3页Shanxi Architecture

摘　　要：介绍了体外预应力的特点,从线形、锚固块、转向块、定位和防震装置等方面,阐述了体外预应力的设计关键点,并以某高速公路连续箱梁桥为背景,探讨了体外预应力的加固计算方法,验证了体外预应力加固的有效性。The paper introduces the features of the external prestress,illustrates the key points for the design of the external prestress from the linear,anchor block,deviator,positioning and seismic equipment,explores its consolidation calculation methods by taking the continuous box girder as the background,and proves it is effective.

关 键 词：预应力 连续箱梁 加固技术 防震装置 

分 类 号：U448.35[建筑科学—桥梁与隧道工程]