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（中國建筑設(shè)計(jì)院有限公司， 北京 100044）

［摘要］針對(duì)不同的柱網(wǎng)布置，通過對(duì)不同工況下五種地下車庫樓蓋結(jié)構(gòu)布置體系進(jìn)行計(jì)算分析和結(jié)構(gòu)配筋設(shè)計(jì)，對(duì)各種樓蓋結(jié)構(gòu)布置體系的經(jīng)濟(jì)性和結(jié)構(gòu)效率進(jìn)行了研究，并提出了廣義配筋率的概念。

［關(guān)鍵詞］地下車庫； 樓蓋體系； 結(jié)構(gòu)效率； 廣義配筋率

中圖分類號(hào)： TU375 文獻(xiàn)標(biāo)識(shí)碼： A文章編號(hào)：  1002-848X(2016)S2-0183-05

Comparison study on roof systems for underground garage

Li Xue, Sun Qiang, Wu Min

(China Architecture Design Institute Co., Ltd., Beijing 100044, China)

Abstract: For different spans of column layout and different load effects, five different roof systems for underground garage were analyzed and the corresponding structural designing procedures were conducted. Then the economical efficiency and structural efficiency was studied, and the concept of generalized reinforcement ratio was proposed. 

Keywords: underground garage; roof system; structural efficiency; generalized reinforcement ratio

作者簡介： 李雪，碩士，工程師，Email:lixue@cadg.cn。