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拉萨贡嘎机场 T3 航站楼结构设计
程 煜1, 苏国柱1, 刘 鹏1, 董小海2, 刘 浩1, 赵 旭1, 梁 越1, 马 超1
摘 要

(1 奥雅纳工程顾问, 北京 100020; 2 北京中航筑诚机场建设顾问有限公司, 北京 100020)

摘要: 拉萨贡嘎机场 T3 航站楼功能上主要包括中心区值机大厅和两侧的候机指廊区两部分,其主体结构由下部的混凝土框架结构和上部的钢结构屋面组成。 中心区值机大厅屋面几何形态似四片莲花花瓣,采用 12 根树形柱支撑,每根树形柱上部又由 4 根分叉柱组成,分叉柱两端采用向心关节轴承节点;屋面采用双向钢桁架结构体系,并利用拓扑优化技术分析了屋面的最佳传力路径。 候机指廊区屋面采用实腹式钢梁结构体系,降低了结构高度,有利于解决净空问题。 设计团队利用 BIM 三维建模方式,实现了结构-机电专业的一体化协同设计。

关键词: 拉萨贡嘎机场; 拓扑优化; 树形柱; 向心关节轴承; BIM 三维建模; 协同设计

中图分类号:TU318 文献标志码:A 文章编号:1002 ̄848X(2022)02 ̄0057 ̄07

DOI:10. 19701 / j.jzjg.ZJ210063

Structural design of Lhasa Gonggar Airport Terminal 3

CHENG Yu1, SU Guozhu1, LIU Peng1, DONG Xiaohai2, LIU Hao1, ZHAO Xu1,LIANG Yue1, MA Chao1

(1 Arup, Beijing 100020, China; 2 Beijing Zhonghang Zhucheng Airport Constuction Consultant Co., Ltd.,Beijing 100020, China)

Abstract: Lhasa Gonggar Airport Terminal 3 mainly includes a check ̄in hall in the central area and the waiting corridor onboth sides. Its main structure is composed of a lower concrete frame structure and an upper steel structure roof. Thegeometric shape of the roof of the check ̄in hall in the central area resembles four lotus petals, supported by 12 tree ̄shapedcolumns, and the upper part of each tree ̄shaped column is composed of 4 bifurcated columns, both ends of the bifurcatedcolumns adopt centripetal joint bearing nodes. The roof adopts a two ̄way steel truss structure system, and the besttransmission path of the roof was analyzed using topology optimization technology. The roof of the waiting corridor areaadopts a solid ̄web steel beam structure system, which reduces the structural height and is conducive to solving theclearance problem. The design team used BIM three ̄dimensional modeling to realize the integrated collaborative design ofstructure ̄mechanical and electrical engineering.

Keywords: Lhasa Gonggar Airport; topology optimization; tree ̄shaped column; centripetal joint bearing nodes; BIM three ̄dimensional modeling; collaborative design

第一作者:程煜,学士,一级注册结构工程师,主要从事超高层和大跨度建筑的结构设计、抗震研究等工作,Email:yu.cheng@arup.com。

[引用本文] 程煜,苏国,刘鹏,等. 拉萨贡嘎机场 T3 航站楼结构设计[J]. 建筑结构,2022,52(2):57 ̄63. CHENG Yu, SUGuozhu, LIU Peng, et al. Structural design of Lhasa Gonggar Airport Terminal 3[J]. Building Structure,2022,52(2):57 ̄63.

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