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（1 青島騰遠(yuǎn)設(shè)計(jì)事務(wù)所有限公司， 青島 266100； 2 青島理工大學(xué)土木工程學(xué)院， 青島 266033）

［摘要］青島郵輪母港聯(lián)檢大廳采用大跨度鋼結(jié)構(gòu)屋面，水平投影呈矩形，長(zhǎng)軸長(zhǎng)度為324m，短軸長(zhǎng)度為92-5m。介紹了聯(lián)檢大廳鋼結(jié)構(gòu)設(shè)計(jì)情況，并重點(diǎn)說(shuō)明了異性截面模擬和計(jì)算長(zhǎng)度確定等主要技術(shù)難點(diǎn)和解決方案。結(jié)果表明：采用分段輸入的方式來(lái)模擬異形變截面是一種精度較高的方法；對(duì)于相同剛架單元組成的結(jié)構(gòu)采用屈曲分析確定計(jì)算長(zhǎng)度是一種簡(jiǎn)單有效的方法；節(jié)點(diǎn)加勁板對(duì)于改善節(jié)點(diǎn)的應(yīng)力集中具有明顯的效果。

［關(guān)鍵詞］大跨鋼結(jié)構(gòu)； 異形變截面； 屈曲分析； 有限元分析

中圖分類號(hào)：TU393-3文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2016)18-0046-04

Steel structural design for inspection hall of Qingdao Cruise Terminal

Li Jianfeng1， Wang Zaifeng1， Sun Shaodong1， Hu Haitao1， Yu Yousheng2

（1 Qingdao Tengyuan Design Institute Co., Ltd., Qingdao 266100, China；2 School of Civil Engineering, Qingdao Technological University, Qingdao 266033, China）

Abstract:The inspection hall of Qingdao Cruise Terminal adopts large-span steel structure roof, and its horizontal projection is the shape of rectangular with the major axis length of 324m and the short axis length of 92-5m. The design conditions for the steel structure of the inspection hall were introduced and some key technical difficulties and solutions were highlighted including abnormal shaped and variable cross-section simulation and determination of calculated length. The results show that it is a kind of high precision method to simulate the abnormal shaped and variable cross-section by using the subsection input method. The buckling analysis is a simple and effective method to determine the calculated length of the structure composed of the same rigid frame unit. The joint stiffening plate has obvious effect on improving the stress concentration of the joint.

Keywords:large-span steel structure; abnormal shaped and variable cross-section; buckling analysis; finite element analysis

作者簡(jiǎn)介：李建峰，碩士，Email: kylincn@163.com。