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（中國建筑西南設(shè)計(jì)研究院有限公司， 成都 610081）
［摘要］國標(biāo)圖集《現(xiàn)澆混凝土板式樓梯》（15G307）增加了設(shè)置滑動(dòng)支座的樓梯形式，用于框架結(jié)構(gòu)及框架剪力墻結(jié)構(gòu)中框架部分的樓梯設(shè)計(jì)，可有效消除樓梯的斜撐作用對結(jié)構(gòu)的影響，結(jié)構(gòu)抗震設(shè)計(jì)簡單，施工方便，建造成本較低。對設(shè)置滑動(dòng)支座板式樓梯的編制背景、編制依據(jù)、適用范圍、布置方式及其對主體結(jié)構(gòu)影響、樓梯構(gòu)件設(shè)計(jì)的關(guān)鍵問題及處理方式進(jìn)行了討論和說明，對梁式樓梯的滑動(dòng)設(shè)計(jì)也提出了相關(guān)建議，以便設(shè)計(jì)和施工人員能夠合理、有效地使用圖集。
［關(guān)鍵詞］板式樓梯； 滑動(dòng)支座； 斜撐作用； 梁式樓梯
中圖分類號：TU318-4， TU375文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2017)19-0108-06
Revision introduction of staircase with sliding supports in drawings of Cast-in-Place Reinforced Concrete Plate Stairs (15G307)
Wu Xiaobin, Lei Yun, Feng Yuan, Chen Wenming, Wang Fei
(China Southwest Architectural Design and Research Institute Co., Ltd., Chengdu 610081, China)
Abstract:The staircases with sliding supports are added to the drawings of Cast-in-Place Reinforced Concrete Plate Stairs (15G307). Those plate stairs with sliding supports can be used in the staircase design of frame in frame structure or frame-shearwall structure, which can eliminate the bracing effect of the stairs on the structure. By using the plate stairs with sliding supports, the seismic design is easier, the construction is convenient and the cost is lower. The compilation background and the basis, the scope of application, the arrangement and its influence on the main structure, the key problems and treatment of the design of the staircase components were discussed and illustrated. The relevant recommendations were also put forward for sliding design of the beam stairs, which an help the design and construction personnel use drawings reasonably and effectively.
Keywords:plate stair; sliding support; bracing effect; beam stair
作者簡介：吳小賓，碩士，教授級高級工程師，Email: wumat@vip.sina.com。
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