摘要
为使无粘结预应力混凝土梁的预应力筋的极限应力设计表达式具有明确的安全度水平,基于现行的各类规范,依据大量的无粘结预应力混凝土梁的试验数据,充分考虑了各类参数的不确定性,建立了规范规定的目标可靠度水平下的无粘结预应力筋的极限应力设计模型,为规范相应工程领域的设计提供了参考和借鉴。
In order to make the designed formula of ultimate stress of the pre-stressed tendons for UPPC beams clearer with a great structural safety, a new model has been proposed, based on the actual codes, a large number of testing results, and the consideration of the uncertainties of various parameters. This model is made for the targeted reliability and can be used to provide with the references for the design in a corresponding field with the actual code.
出处
《建筑结构》
CSCD
北大核心
2008年第11期42-44,64,共4页
Building Structure
关键词
无粘结
预应力筋
极限应力
可靠度
unbounded
prestressed tendons
ultimate stress
reliability
