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陸賜麟
(北京工業(yè)大學(xué)土木系 100022)[提要] 預(yù)應(yīng)力空間鋼結(jié)構(gòu)是20世紀(jì)建筑結(jié)構(gòu)學(xué)科中的重大成就。作者介紹了這類結(jié)構(gòu)的發(fā)展過程及特點(diǎn)，對近些年來在我國建造的一批預(yù)應(yīng)力空間鋼結(jié)構(gòu)工程的結(jié)構(gòu)類型、預(yù)應(yīng)力特征和經(jīng)濟(jì)指標(biāo)作了簡介，并對其在我國工程實(shí)踐中的成績、問題和前景作了闡述。
[關(guān)鍵詞] 空間鋼結(jié)構(gòu) 預(yù)應(yīng)力 網(wǎng)架 網(wǎng)殼 吊掛結(jié)構(gòu) 整體張拉體系 桁架 懸索結(jié)構(gòu)Prestressed special steel structure is important achievement in the discipline of building structures in 20th century. This paper introduces the course of development and their characteristics of these structures. For a number of these structures built recently in China, the types of structure, prestressing features and economical analyses have been presented. Facing the successes, problems and futures of the structures, the author expresses his opinions and suggestions.
Keywords: prestressed space steel structure; single prestressing; multiple prestressing; space grid; latticed shell; cable-supported structure; tensegrity; truss; cable-suspended structure
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