摘要
介绍了在预应力空心板梁预制过程中应力控制方面经常遇到的一些问题及其处理方法。
The paper introduces some issues frequently came across in the field of stress control in the process of precasting the voided slab beam and the treating methods for issues.
出处
《北方交通》
2008年第12期60-61,共2页
Northern Communications
关键词
桥梁工程
空心板梁
初应力
伸长值
张拉
放张
Bridge engineering
Voided slab beam
Initial stress
Extensibility
Stretching
Enlargement