缓粘结预应力施工技术在大跨度井字梁中的应用  

On application of retarded adhesive prestress construction technique in large-span cross-beam

作　　者：黄成立 

机构地区：[1]北京昱华泰幕墙装饰工程有限公司,北京100176

出　　处：《山西建筑》2015年第14期100-101,共2页Shanxi Architecture

摘　　要：以大跨度梁施工应用为例,介绍了缓粘结预应力的施工技术指标,对预应力筋组装、张拉作业条件以及张拉工艺进行了阐述,总结了施工中常见的质量问题,并给出了施工验收项目,以取得更好的经济技术效益。Taking some large-span beam construction application as the example, the paper introduces the construction technical indexes of the retarded adhesive prestress, illustrates the prestress tendon assembly, working conditions for tensioning, and the tension craft, sums up common quality problems in the construction, and provides the construction acceptance program, so as to achieve better economic and technical benefits.

关 键 词：缓粘结预应力 施工 张拉 锚具 

分 类 号：TU745[建筑科学—建筑技术科学]