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(中國建筑西南設(shè)計研究院有限公司， 成都 610042)
［摘要］首先對適合于大跨膠合木結(jié)構(gòu)常見結(jié)構(gòu)體系的結(jié)構(gòu)構(gòu)成、受力特點、適用范圍進行了分析，包含木桁架結(jié)構(gòu)、木網(wǎng)架結(jié)構(gòu)、木網(wǎng)殼結(jié)構(gòu)、木拱結(jié)構(gòu)以及木張弦結(jié)構(gòu)等大跨膠合木結(jié)構(gòu)體系。然后通過青島膠東國際機場航站樓指廊屋蓋膠合木結(jié)構(gòu)等4個實際工程項目探討了大跨度膠合木結(jié)構(gòu)選型和結(jié)構(gòu)設(shè)計，對比了不同結(jié)構(gòu)方案力學(xué)性能指標(biāo)、木材用量指標(biāo)。最后針對大跨膠合木結(jié)構(gòu)設(shè)計還需要進一步完善的問題，如木材本構(gòu)模型、節(jié)點分析、蠕變和濕度影響以及整體穩(wěn)定分析等進行了討論。
［關(guān)鍵詞］大跨度；膠合木結(jié)構(gòu)；木桁架結(jié)構(gòu)；木網(wǎng)架結(jié)構(gòu)；木網(wǎng)殼結(jié)構(gòu)；木拱結(jié)構(gòu)；木張弦結(jié)構(gòu)；結(jié)構(gòu)選型
中圖分類號：TU398-7 文獻標(biāo)識碼：A文章編號：1002-848X(2021)17-0043-07
Exploration on design of large-span glulam structures
FENG Yuan, LONG Weiguo, OU Jiajia, ZHANG Yan, LIAO Li’an, WANG Liwei, YANG Wen, CHEN Di
(China Southwest Architectural Design and Research Institute Co., Ltd., Chengdu 610042， China)
Abstract: Firstly, the structural composition, force characteristics and application scope of the common structural systems suitable to large-span glulam structures were analyzed, such as wooden truss structures, wooden lattice structures, wood grid shell structures, wooden arch structures and wooden stringed structures. Then the selection of structural typology and structural design of four large-span glulam engineering projects have been introduced, including the glulam structure of the corridor roof of the terminal building of Qingdao Jiaodong International Airport and so on, and the mechanical performance indexes and wood consumption indexes of different structural schemes were compared. Finally, the issues that need to be further improved in the design of large-span glulam structures were discussed, such as wood constitutive model, node analysis, effect caused by creep and humidity, and overall stability analysis.
Keywords:large-span； glulam structure； wooden truss structure; wooden lattice structure; wooden grid shell structure; wooden arch structure; wooden stringed structure； selection of structural typology
作者簡介：馮遠，全國工程勘察設(shè)計大師，教授級高級工程師，一級注冊結(jié)構(gòu)工程師，Email:xnyfy@vip.163.com； 通信作者：歐加加，碩士，高級工程師，Email：ouyangjia28@126.com。
