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(湖南省建筑設(shè)計(jì)院集團(tuán)股份有限公司, 長(zhǎng)沙 410012)

摘要: 長(zhǎng)沙黃花國際機(jī)場(chǎng) T2 航站樓出發(fā)大廳長(zhǎng) 400m,寬 84m;下部結(jié)構(gòu)采用組合框架結(jié)構(gòu),屋蓋采用曲面空間管桁架結(jié)構(gòu)。 屋蓋長(zhǎng)度超長(zhǎng),且結(jié)構(gòu)兩主軸方向剛度差異較大,需進(jìn)行抗震性能化設(shè)計(jì)。 對(duì)結(jié)構(gòu)進(jìn)行了多遇地震作用下的彈性反應(yīng)譜分析、單點(diǎn)及多點(diǎn)時(shí)程分析及罕遇地震作用下的彈塑性時(shí)程分析。 結(jié)果表明:在多遇地震作用下,結(jié)構(gòu)均處于彈性狀態(tài),最大彈性層間位移角滿足規(guī)范要求;在罕遇地震作用下,結(jié)構(gòu)的最大彈塑性層間位移角滿足規(guī)范要求;下部組合框架的塑性鉸出現(xiàn)在梁端,框架柱均處于彈性狀態(tài);屋蓋鋼結(jié)構(gòu)主桁架部分上下弦桿出現(xiàn)輕微屈服,部分關(guān)鍵構(gòu)件輕度損壞,地震后稍加維修即可正常使用,結(jié)構(gòu)抗震性能較好,滿足既定性能目標(biāo)。

關(guān)鍵詞: 長(zhǎng)沙黃花國際機(jī)場(chǎng); 超長(zhǎng)結(jié)構(gòu); 抗震性能; 行波效應(yīng); 彈塑性時(shí)程分析

中圖分類號(hào):TU391 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002-848X(2022)22-0001-06

DOI:10. 19701 / j. jzjg. ZJ220084

Seismic performance analysis of the departure hall of T2 terminal building of Huanghua International Airport in Changsha

XIA Xinhong, FANG Hui, MAO Jianyu, WANG Siqing, DONG Bing

(Hunan Architectural Design Institute Group Co. , Ltd. , Changsha 410012, China)

Abstract: The departure hall of T2 terminal building of Huanghua International Airport in Changsha is 400m long and 84mwide. The substructure adopts composite frame structure, and the roof adopts curved space pipe truss structure. The rooflength is super long, and the stiffness difference between the two main axes of the structure is large, so the performance-basedseismic design is required. The elastic response spectrum analysis, single point and multi-point time-history analysis underthe frequent earthquake and elastic-plastic time-history analysis under the rare earthquake were carried out on the structure.The results show that the structure is in elastic state under the frequent earthquake, and the maximum elastic inter storydisplacement angle meets the code requirements. Under the rare earthquake, the maximum elastic-plastic inter storydisplacement angle of the structure meets the code requirements. The plastic hinge of the lower composite frame appears at thebeam end, and the frame columns are in elastic state. The upper and lower chords of the main truss of the roof steel structureslightly yield, and some key components are slightly damaged but can be used normally with a little maintenance after theearthquake. The seismic performance of the structure is good, meeting the established performance goals.

Keywords:Huanghua International Airport in Changsha; super-long structure; seismic performance; traveling wave effect;elastic-plastic time-history analysis

∗湖南省建筑設(shè)計(jì)院集團(tuán)股份有限公司科技研發(fā)課題(KY0200-0000-2009-0237)。

第一作者:夏心紅,博士,研究員級(jí)高級(jí)工程師,主要從事鋼結(jié)構(gòu)、超高層建筑、裝配式建筑設(shè)計(jì),Email:xiaxh@ hnadi. com. cn。

[引用本文] 夏心紅,方輝,毛健宇,等. 長(zhǎng)沙黃花國際機(jī)場(chǎng) T2 航站樓出發(fā)大廳抗震性能分析[ J]. 建筑結(jié)構(gòu),2022,52(22):1-6,34. XIA Xinhong,FANG Hui,MAO Jianyu,et al. Seismic performance analysis of the departure hall ofT2 terminal building of Huanghua International Airport in Changsha[J]. Building Structure,2022,52(22):1-6,34.