開合屋蓋結(jié)構(gòu)行走機(jī)構(gòu)的應(yīng)用研究
張鳳文 劉錫良
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張鳳文 （燕山大學(xué)建工學(xué)院 秦皇島 066000）劉錫良 （天津大學(xué)建工學(xué)院 300072）
[提要] 介紹了開合屋蓋建筑的現(xiàn)狀和發(fā)展趨勢，在此基礎(chǔ)上著重就這種結(jié)構(gòu)的難點(diǎn)問題——行走機(jī)構(gòu)問題進(jìn)行了專門的研究，從行走機(jī)構(gòu)的約束及自由度入手，根據(jù)輪軌連接的方式對行走機(jī)構(gòu)進(jìn)行了分類，提出了各種行走方案的選用原則和適用范圍，并利用大量的工程實(shí)例加以說明。研究成果對實(shí)際開合屋蓋建筑中行走機(jī)構(gòu)設(shè)計具有直接的指導(dǎo)意義。
[關(guān)鍵詞] 開合屋蓋結(jié)構(gòu) 現(xiàn)狀 發(fā)展 行走機(jī)構(gòu) 約束 自由度 分類
After summarizing the state of the art about retractable roof structure,scheme of moving mechanism is analyzed and researched in detail,which is one of the most difficult sections in realization of the structures. After analyzing the constraint condition and degree of freedom of the moving mechanisms, they are classified according to manners of wheelrail relationships. Design principle and application scope of different mechanism scheme are put forward, which are elaborated with many examples of practical projects. The results can be used directly for reference in future design.
Keywords: retractable roof structure; moving mechanism; constraint condition; freedom degree; classification
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