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      杜拱辰
    （中國(guó)建筑科學(xué)研究院 北京 100013）

[提要]  簡(jiǎn)要敘述了我國(guó)預(yù)應(yīng)力混凝土50年來的成就與展望，共分：我國(guó)預(yù)應(yīng)力混凝土的開拓；低強(qiáng)預(yù)應(yīng)力混凝土的應(yīng)用；高效預(yù)應(yīng)力混凝土的應(yīng)用；先張、后張預(yù)加應(yīng)力工藝；預(yù)應(yīng)力混凝土的普及和進(jìn)一步的推廣；研究與發(fā)展等六個(gè)部分。同時(shí)介紹了國(guó)內(nèi)外先張與后張預(yù)應(yīng)力技術(shù)的發(fā)展趨勢(shì)，并提出若干建議。
[關(guān)鍵詞]  房屋建筑 預(yù)應(yīng)力混凝土 預(yù)應(yīng)力技術(shù) 結(jié)構(gòu)工程 預(yù)應(yīng)力鋼材 先張法 后張法

Author intends to make a brief review of the great achievements of prestressed concrete structures on buildings since the founding of the P.R.China. It also presents the trend of development of pre-tension-ing and post-tensioning techniques in the world and China. Finally, some suggestions are made to promote the progress of science and technology of prestressed concrete.
Keywords: prestressed concrete; building; structure; pre-tensioning; post-tensioning