高效预应力结构在桥梁工程领域中的应用  

The application of high efficient pre-stress structure in the bridge engineering

作　　者：马亚丽[1] 马智永[1] 王东炜[1] 

机构地区：[1]郑州大学土木工程学院,河南郑州450002

出　　处：《河南科学》2002年第2期169-173,共5页Henan Science

摘　　要：随着大跨径桥梁的建造 ,高强混凝土、高强、低松弛钢绞线和钢丝开始广泛采用 ,为了了解高效预应力结构的特性 ,本文详细阐述了高强混凝土、高强钢丝、高强钢绞线及预应力技术等在桥梁工程领域的发展状况和应用前景 ,对推广高效预应力技术在我国的应用起着重要的作用。With the construction of large-span bridge ,high-strength concretes and wire, low-relaxation strands are widely used. This paper states of the development and application prospect of high-strength concrete and wire, strand and pre-stress technology in the field of bridge engineering .It is in order to learn the characteristics of high efficient pre-stress structure , which will play an important role in promoting the application of high efficient pre-stress technology in our country.

关 键 词：高效预应力 桥梁结构 桥高强混凝土 

分 类 号：U441[建筑科学—桥梁与隧道工程]