缓粘结预应力综合技术的研究和发展

缓粘结预应力技术是在克服后张有粘结和无粘结预应力技术自身缺点的基础上,发展出的一种全新的预应力技术,是预应力混凝土技术的又一次重大突破。通过对缓粘结预应力技术发展状况的总结,介绍国内外此项技术的研究成果、最新研究动态及工程应用情况,指出缓粘结预应力技术有待进一步拓展研究的方向。

RESEARCH ON THE RETARD-BONDED PRESTRESSED TECHNIQUE AND DEVELOPMENT PROSPECTS

The retard-bonded prestressed concrete technique is a newly created prestressed concrete technique that has overcome the shortcomings of the bonded and unbonded prestressed concrete,which is a breakthrough development of prestressed concrete technique.It is reviewed the development of retard-bonded prestressed concrete technique;introduced the research results of this technique at home and abroad,the latest research trend and engineering application;and the research orientation to be further expanded is also pointed out.