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（中國(guó)建筑西北設(shè)計(jì)研究院有限公司, 西安 710018）

摘要:西安咸陽(yáng)國(guó)際機(jī)場(chǎng)三期工程由東航站樓、綜合交通中心及過(guò)夜用房組成,其中東航站樓由一個(gè)集中式主樓及六條指廊構(gòu)成;東航站樓縱橫兩個(gè)方向長(zhǎng)度分別為 1 242m 和 832m,通過(guò)設(shè)置隔震縫及防震縫分為各自獨(dú)立的結(jié)構(gòu)單元,其中主樓中央?yún)^(qū)采用隔震設(shè)計(jì),其余單元采用抗震設(shè)計(jì)。 東航站樓下部主體結(jié)構(gòu)為鋼筋混凝土框架結(jié)構(gòu),主樓屋蓋為由斜圓鋼管柱與 Y 形鋼柱支承的正放四角錐空間曲面網(wǎng)格鋼結(jié)構(gòu),指廊屋蓋為由圓鋼管柱支承的單向?qū)嵏棺兘孛驿摿航Y(jié)構(gòu)。 主要介紹東航站樓結(jié)構(gòu)設(shè)計(jì)的關(guān)鍵問(wèn)題,包括濕陷性黃土地基的處理、樁基礎(chǔ)設(shè)計(jì)、隔震設(shè)計(jì)、超長(zhǎng)結(jié)構(gòu)以及復(fù)雜鋼結(jié)構(gòu)設(shè)計(jì),并對(duì)東航站樓結(jié)構(gòu)進(jìn)行了大震彈塑性分析。 分析結(jié)果表明,東航站樓整體結(jié)構(gòu)具備維持穩(wěn)定并保持承載的能力。

關(guān)鍵詞: 西安咸陽(yáng)國(guó)際機(jī)場(chǎng); 航站樓; 濕陷性黃土地基; 樁基礎(chǔ); 隔震設(shè)計(jì); 超長(zhǎng)結(jié)構(gòu); 復(fù)雜鋼結(jié)構(gòu)

中圖分類號(hào):TU318 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002-848X(2022)11-0001-07

DOI:10. 19701 / j. jzjg. XBY2205

Structural design of east terminal building of Xi’ an Xianyang International Airport

CAO Li, HU Peng, WANG Mian, LI Jing, ZHU Cong, YANG Qi, XIN Li, REN Tongrui

(China Northwest Architectural Design and Research Institute Co. , Ltd. , Xi’ an 710018, China)

Abstract: Xi’ an Xianyang International Airport Phase Ⅲ project consists of the east terminal building, comprehensive transportation center and overnight accommodation building. The east terminal building consists of a centralized main building and six corridors; the length of the east terminal building in the vertical and horizontal directions is 1 242m and 832m respectively. It is divided into independent structural units by setting seismic isolation joints and anti-seismic joints.The central area of the main building adopts the seismic isolation design, and the other units adopt the seismic design. The main structure of the lower part of the east terminal building is a reinforced concrete frame structure, the roof of the main building is a positive quadrangular pyramid space curved grid steel structure supported by inclined circular steel pipe columns and Y-shaped steel columns, and the corridor roof is the one-way solid-web variable-section steel beam structure supported by circular steel pipe columns. It mainly introduces the key issues in the structural design of the east terminal building, including the treatment of collapsible loess base, pile foundation design, seismic isolation design, super-long structure and complex steel structure design. The elasto-plastic analysis under the rare earthquake was carried out on the east terminal structure. The analysis results show that the overall structure of the east terminal building has the ability to maintain stability and bearing capacity.

Keywords:Xi’ an Xianyang International Airport; terminal building; collapsible loess base; pile foundation; seismicisolation design; super-long structure; complex steel structure

∗中國(guó)建筑西北設(shè)計(jì)研究院有限公司科技研發(fā)課題(201817) 。

第一作者:曹莉,碩士,教授級(jí)高級(jí)工程師,一級(jí)注冊(cè)結(jié)構(gòu)工程師,主要從事結(jié)構(gòu)抗震設(shè)計(jì)究,Email:381707961@ qq. com。

[引用本文] 曹莉,扈鵬,王勉,等. 西安咸陽(yáng)國(guó)際機(jī)場(chǎng)東航站樓結(jié)構(gòu)設(shè)計(jì)[ J] . 建筑結(jié)構(gòu),2022,52( 11) :1-7,21.CAO Li,HU Peng,WANG Mian,et al. Structural design of east terminal building of Xi’ an Xianyang International Airport

[ J] . Building Structure,2022,52(11) :1-7,21.