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    陶  忠   （福州大學(xué)土木建筑工程學(xué)院  350002）

[提要]  綜合國內(nèi)外的相關(guān)資料，介紹了方鋼管混凝土發(fā)展及其應(yīng)用概況，主要包括一次加載、長期加載及動(dòng)力加載作用下的力學(xué)性能研究與主要成果，以及國內(nèi)外目前比較典型的關(guān)于方鋼管混凝土的設(shè)計(jì)規(guī)范。最后，對(duì)需要進(jìn)一步開展的研究工作進(jìn)行了探討。
[關(guān)鍵詞]  方鋼管混凝土  承載力  滯回性能  徐變

The state of the art of concrete filled square steel tubes is presented generally, and their mechanical behaviors under short-term, long-term and cycle loading are introduced briefly, as well as main worldwide design codes of concrete filled square steel tubular members.  Finally, the works for further research are identified.
Keywords: concrete filled square steel tubes; bearing capacity; hysteretic behavior; creep