- 摘 要
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董石麟
(浙江大學(xué)土木系 杭州 310027)[提要] 敘述了我國網(wǎng)架結(jié)構(gòu)應(yīng)用與發(fā)展中的基本情況，特別評論了在網(wǎng)架發(fā)展和開拓中的一些新技術(shù)，如組合網(wǎng)架、三層網(wǎng)架、預(yù)應(yīng)力網(wǎng)架、斜拉網(wǎng)架等新型網(wǎng)架結(jié)構(gòu)，擬夾層板法、下弦內(nèi)力法、等代空間桁架位移法等網(wǎng)架結(jié)構(gòu)分析方法，以及若干新型網(wǎng)架節(jié)點(diǎn)等。同時，文中還介紹了一些工程實(shí)例。
[關(guān)鍵詞] 網(wǎng)架結(jié)構(gòu) 新技術(shù) 組合網(wǎng)架 三層網(wǎng)架 預(yù)應(yīng)力網(wǎng)架 斜拉網(wǎng)架 擬夾層板法 下弦內(nèi)力法 等代空間桁架位移法 新節(jié)點(diǎn)This paper briefly describes the general situation in application and development of space truss in China and specially gives a detailed review of the new techniques and structures in development of space truss, such as composite grid, triple-layer grid, prestressed grid and cable-stayed grid, as well as method of sand which plate analogy, bottom chord internal force method, equivalent space truss displacement method and several new joints of space truss. In addition, a lot of important examples are introduced.
Keywords: space truss; new techniques; composite grid; triple-layer grid; prestressed grid; cable-stayed grid; method of sandwich plate analogy; bottom chord internal force method; equivalent space tru.ss displacement emthod; new joint
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