- 摘 要
-
(中國建筑西南設計研究院有限公司,成都 610081)
[摘要] 采用ANSYS軟件對成都雙流國際機場T2航站樓鋼結構屋蓋相貫節(jié)點進行了分析,通過與真實試驗的對比驗證了數(shù)值分析方法,確立邊界條件及網(wǎng)格劃分精度,進而對節(jié)點的力學性能進行模擬分析,通過計算節(jié)點軸向力與軸向位移的關系曲線,評價節(jié)點剛度是否與桿件的軸向剛度相匹配;在廣泛的文獻調研的基礎上,確定了極限承載力評判標準及方法,并最終得到節(jié)點的承載力及骨架曲線,對節(jié)點的力學性能進行了評判。
[關鍵詞] 相貫節(jié)點; 極限承載力; 骨架曲線Ultimate strength analysis on simple joints of the steel roof structure of
Chengdu Shuangliu International Airport T2 Terminal Building
Li Changhong, Chen Zhiqiang, Xiao Kejian, Deng Kaiguo, Feng Yuan
(China Southwest Architectural Design and Research Institute Co., Ltd., Chengdu 610081, China)
Abstract:Comparing the results of ANSYS with experiment results, the boundary conditions and meshing size were determined, FEM analysis model was established and verified for simple joints of the steel roof structure of Chengdu Shuangliu International Airport T2 Terminal Building. Through the computation of the relationship curve between axial force and its displacement, it was proved that the axial stiffness of the simple joints was large than that of steel member. Based on extensive investigations, the standard and method for the ultimate strength of simple joints were determined, and the skeleton curves were also got and used to appraise the mechanical behavior of simple joints.
Keywords:simple joints; ultimate strength; skeleton curve
作者簡介:李常虹,碩士,工程師,Email:lid9@xnjz.com。參考文獻
[1] 周鵬.空間KX型圓管相貫節(jié)點極限承載力分析[D]. 重慶:重慶大學,2009.
[2] GB50017—2003鋼結構設計規(guī)范[S].北京:中國計劃出版社,2003.
[3] 董石麟,羅堯治,趙陽.新型空間結構分析、設計與施工[M].北京:人民交通出版社,2006.
[4] 陳以一,陳揚驥.鋼管結構相貫節(jié)點的研究現(xiàn)狀[J]. 建筑結構,2002,32(7):52-55,31.
[5] YURA J A,ZETTLEMOYER N,EDWARDS I F. Ultimate capacity equations for tubular joints[C]//Proc. Offshore Technol. Conferrence,Houston,USA,1980.
[6] 陳以一,沈祖炎,翟紅,等. 圓鋼管相貫節(jié)點滯回特性的實驗研究[J]. 建筑結構學報, 2003, 24(6):57-62.
[7] 黃運材. KX型相貫節(jié)點研究[D]. 昆明:昆明理工大學,2007.
[8] 韓慶華,曾沁敏,金輝,等. 北京奧運會老山自行車館屋蓋節(jié)點數(shù)值分析[J].建筑結構學報,2006, 27(6):101-107.
[9] 舒宣武,朱慶科.空間KK型鋼管相貫節(jié)點極限承載力有限元分析[J].華南理工大學學報:自然科學版,2000,30(10):109-111.
[10] 陳以一,王偉,蔣曉瑩,等. 圓鋼管相貫節(jié)點抗彎剛度和承載力實驗[J]. 建筑結構學報,2001,22(6):25-30.
[11] JGJ81—2002,J218—2002建筑鋼結構焊接技術規(guī)程[S].北京:中國建筑工業(yè)出版社,2002.