预应力钢丝和钢绞线的发展与应用

DEVELOPMENT AND USE OF PRESTRESSED WIRE AND STRAND

本文简述了国内预应力技术的发展与应用状况,介绍了我国预应力钢丝、钢绞线的研制、生产、供应状况。同时,提出了今后必须重视的几个问题。

Development and use of prestress technology in China is discribed in this paper.The pre-sent state of research,production and supply of prestressed wire and strand is summarised.At the same time the authors point out the existing problems need to pay more attention in thefuture.