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（深圳市建筑設(shè)計(jì)研究總院有限公司， 深圳 518031）

［摘要］橫琴新區(qū)文化綜合服務(wù)中心為大型公共建筑，采用拱形鋼桁架-剪力墻結(jié)構(gòu)體系，其結(jié)構(gòu)除存在樓板不連續(xù)、尺寸突變、豎向抗側(cè)力不連續(xù)等不規(guī)則項(xiàng)外，還存在大跨度、大懸挑情況。采用YJK和MIDAS/Gen軟件對(duì)結(jié)構(gòu)進(jìn)行整體計(jì)算和對(duì)比分析，結(jié)果表明兩種軟件計(jì)算結(jié)果相近，各項(xiàng)指標(biāo)均能滿足規(guī)范要求；針對(duì)該工程特點(diǎn)及結(jié)構(gòu)設(shè)計(jì)難點(diǎn)進(jìn)行補(bǔ)充分析，主要包括關(guān)鍵節(jié)點(diǎn)分析、樓板應(yīng)力分析、溫度應(yīng)力分析、樓板舒適度以及施工模擬分析。結(jié)果表明，該結(jié)構(gòu)設(shè)計(jì)能實(shí)現(xiàn)擬定的抗震性能目標(biāo)，結(jié)構(gòu)安全可靠；施工圖階段根據(jù)分析結(jié)果對(duì)薄弱部位采取了相應(yīng)的加強(qiáng)措施，如對(duì)節(jié)點(diǎn)分析中板件應(yīng)力較大的地方局部加大板厚，對(duì)樓板應(yīng)力分析中應(yīng)力較大部位加大配筋等。

［關(guān)鍵詞］橫琴新區(qū)文化綜合服務(wù)中心；拱形鋼桁架-剪力墻結(jié)構(gòu)；樓板不連續(xù)；尺寸突變；大跨度；大懸挑；抗震設(shè)計(jì)

中圖分類號(hào)：TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)10-0049-06

Structural design of Hengqin District Culture Service Center

LIN Kunhong, ZHOU Xiaowei, LIAO Shujiang, BAO Mingxi, QIN Jianhua

(Shenzhen General Institute of Architectural Design and Research Co., Ltd., Shenzhen 518031, China)

Abstract:Hengqin District Culture Service Center is a large public building. The arched steel truss-shear wall structure system is adopted and the structure has many irregular characteristics such as discontinuous floor slab, mutational dimension, discontinuous lateral resistance, long-span and large cantilever. YJK and MIDAS/Gen softwares were used to to perform overall calculation and comparative analysis of the structure, the results show that the calculation of the two softwares are close, and each index can meet the requirements of the codes. According to the engineering characteristics and structural design difficulties, supplementary analyses were carried out, including key joint, the stress of floor, temperature stress, comfort of floor and construction simulation. The result shows that the structural design can satisfy the proposed seismic performance index, the structure is safe and reliable. In the construction drawing stage, corresponding strengthening measures were taken for the weak parts according to the analysis results, such as increasing the thickness of the slab where the stress of the plate is larger in the joint analysis, and increasing the reinforcement of the part with the larger stress in the stress analysis of the floor.

Keywords:Hengqin District Culture Service Center;arched steel truss-shear wall structure;discontinuous floor slab;mutational dimension;long-span;large cantilever;seismic design

作者簡(jiǎn)介：林坤洪，碩士，工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：531622615@qq.com。