浐灞生態(tài)區(qū)行政中心主體結(jié)構(gòu)設(shè)計(jì)
張蕙,曾凡生,張順強(qiáng),曹莉,洪云強(qiáng)
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(中國建筑西北設(shè)計(jì)研究院 西安 710003)[提要]西安浐灞生態(tài)區(qū)行政中心是平立面均不規(guī)則的建筑,32m大跨局部轉(zhuǎn)換和20余m長懸挑構(gòu)件為該工程的技術(shù)難點(diǎn)。重點(diǎn)介紹了對懸挑結(jié)構(gòu)采用懸挑框架方案的結(jié)構(gòu)設(shè)計(jì)相關(guān)內(nèi)容,采用型鋼混凝土桁架組合構(gòu)件解決32m大跨度局部轉(zhuǎn)換的問題。計(jì)算結(jié)果表明,結(jié)構(gòu)的多項(xiàng)控制指標(biāo)均滿足規(guī)范要求,結(jié)構(gòu)設(shè)計(jì)方案合理。該工程設(shè)計(jì)可供同類結(jié)構(gòu)借鑒參考。[關(guān)鍵詞]轉(zhuǎn)換桁架;懸挑框架;構(gòu)件延性Design of Administrative Center of Xi"an Chanba River Ecological Area/Zhang Hui, Zeng Fansheng, Zhang Shunqiang, Cao Li, Hong Yunqiang(China Northwest Building Design Research Institute,Xi"an 710003,China)Abstract:The administrative center of Xi"an Chanba River ecological area is an irregular plane and fa-ade structure that has a local transitions with 32m large span, and an overhanging components more than 20m long, which is a technical difficulty of this building. It introduces several problems of overhanging structure and 32m large span local transitions. The calculation results show that all structural control indexes meet the demand of code and the structure design scheme is reasonable.Keywords:conversion truss;overhanging frame structure;component ductility
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