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（華南理工大學(xué)建筑設(shè)計(jì)研究院有限公司， 廣州 510641）

［摘要］畢節(jié)衛(wèi)生職業(yè)學(xué)校B3#教學(xué)樓為仿橋屋造型，結(jié)構(gòu)跨度48m。根據(jù)建筑物造型，采用鋼筋混凝土落地桁架體系，共設(shè)4榀框(桁)架，其中在中間走廊兩側(cè)設(shè)置落地桁架作為主受力桁架，并通過(guò)布置錯(cuò)列懸挑桁架，支撐外立面框架，滿足教學(xué)樓采光需求，實(shí)現(xiàn)外立面的簡(jiǎn)潔實(shí)用。采用靈活的節(jié)點(diǎn)布置方式，避免雙向節(jié)點(diǎn)重合引起的鋼筋排布的困難；設(shè)計(jì)上翻式鋼筋混凝土節(jié)點(diǎn)保證頂層斜桿鋼筋的錨固。設(shè)計(jì)過(guò)程中針對(duì)建筑物的特點(diǎn)選擇合理的結(jié)構(gòu)體系，采用相應(yīng)的設(shè)計(jì)措施，實(shí)現(xiàn)建筑師的設(shè)計(jì)意圖。

［關(guān)鍵詞］仿橋屋造型； 落地桁架； 錯(cuò)列懸挑桁架； 上翻式鋼筋混凝土節(jié)點(diǎn)

中圖分類(lèi)號(hào)：TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)20-0071-04

Structural design of B3# academic building in Bijie Health Vocational School

Ke Yu

（Architectural Design & Research Institute of SCUT Co., Ltd.， Guangzhou 510641， China）

Abstract:The B3# academic building in Bijie Health Vocational School is in the form of a bridge house with the structural span of 48m. According to the building form,  fall-to-ground reinforced concrete truss was adopted. There were 4 pieces of frames and trusses, including 2 pieces of fall-to-ground trusses on either side of the middle corridor as the main loading trusses. Staggered cantilever trusses were arranged to support the facade frame. This could meet lighting needs of the academic buildings and achieve the simplicity and practicality of building facade. Flexible joint arrangement was adopted to avoid the difficulty of steel bar arrangement caused by the overlap of two-way joints, and upturned reinforced concrete joints were designed to ensure the anchorage of top inclined steel bar. In the design process, according to the characteristics of the building, a reasonable structural system was selected, and corresponding design measures were adopted to realize the architect′s design intention.

Keywords:form of a bridge house; fall-to-ground  truss; staggered cantilever truss; upturned reinforced concrete joint

作者簡(jiǎn)介：柯宇,碩士，工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，注冊(cè)土木工程師(巖土)，Email：wooky@163.com。