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（遼寧省建筑設(shè)計(jì)研究院  沈陽 110005）

［提要］  回顧了鋼管混凝土疊合柱技術(shù)的發(fā)展和取得的成就。通過一項(xiàng)具體工程的柱子設(shè)計(jì)，論述鋼管混凝土疊合柱的特點(diǎn)與設(shè)計(jì)概念，對(duì)成柱過程中不同組成材料采取強(qiáng)化、組合、約束、疊合等手段，達(dá)到截面優(yōu)化。同時(shí)分析討論疊合柱的技術(shù)經(jīng)濟(jì)性和優(yōu)化設(shè)計(jì)的目標(biāo)。

［關(guān)鍵詞］  疊合柱  強(qiáng)化  組合  約束  疊合  優(yōu)化

Design Concept and Analysis of Technical Economy for Steel Tubereinforced Concrete Column/Authors:Lin Liyan, Li Qinggang(Liaoning Provincial Building Design & Research Institute,Shenyang 110005,China)

Abstract:By means of the design procedure of a column in a project, the design concept of steel tube-reinforced concrete column is presented. During the shaping process of the column, measures of strengthening,combining,constraining and superposing different materials of which the column is consisted are taken to achieve the target of optimum column cross section. In addition, the technical economy and optimizing design target for the steel tube-reinforced concrete column are analyzed and discussed.

Keywords:steel tube-reinforced concrete column；strengthening；combining；constraining；superposing；optimization