- 摘 要
-
（1 哈爾濱工業(yè)大學(xué)深圳研究生院， 深圳 518055； 2 沈陽遠大鋁業(yè)工程有限公司， 沈陽 110000；3 中建鋼構(gòu)有限公司， 深圳 518054）
［摘要］焊接殘余應(yīng)力對焊接構(gòu)件的性能具有重要影響，直接關(guān)系到工程質(zhì)量的好壞、結(jié)構(gòu)的安全。對已受荷載作用的結(jié)構(gòu)一般須避免再行焊接，若不得已需對受荷結(jié)構(gòu)施焊，則須了解焊接過程中溫度場的變化和應(yīng)力場的變化?；跓釓椝苄岳碚摚肕SC.MARC軟件中的熱-結(jié)構(gòu)耦合功能，對深圳平安金融中心幕墻連接件與受力狀態(tài)下主體鋼結(jié)構(gòu)焊接過程進行數(shù)值模擬，分析焊接過程中溫度場的變化和應(yīng)力場的變化，得到最終殘余應(yīng)力的分布規(guī)律，給出了主體鋼結(jié)構(gòu)受殘余應(yīng)力影響范圍。
［關(guān)鍵詞］焊接數(shù)值模擬； 焊接殘余應(yīng)力； 幕墻連接件； MSC.MARC; 溫度場； 應(yīng)力場
中圖分類號：TU391文獻標(biāo)識碼：A文章編號：1002-848X(2017)23-0050-05
Analysis of welding effect of curtain wall connectors in Ping An Financial Center in Shenzhen
Lu Xingcun1, He Fuqiang2, Zhang Wenkai2, Zhang Chunhai2, Lin Maowen1, Gu Lei1,3
(1 Harbin Institute of Technology, Shenzhen Graduate School, Shenzhen 518055, China; 2 Shenyang Yuan Da Aluminium Industry Engineering Co., Ltd., Shenyang 110000, China;3 China Construction Steel Structure Co., Ltd., Shenzhen 518054, China)
Abstract:The welding residual stress has an important influence on the performance of the welded components, and it′s directly related to engineering quality and the safety of the structure. Welding is generally avoided for a structure under loading. The change of temperature and stress field during welding process need be investigated when this type of welding really have to be chose. Based on thermo elasto-plastic theory, the thermal-mechanical coupling function in MSC.MARC software was used to conduct numerical simulation on the welding process of curtain wall connectors with the main steel structure of Ping An Finance Center under loading state. The change of temperature field and stress field in the process of welding were analyzed to obtain the final distribution of residual stress and provide influential area of residual stress on main steel structure.
Keywords:welding numerical simulation; welding residual stress; curtain wall connector; MSC.MARC; temperature field; stress field
作者簡介：盧星存，碩士，Email：civic123@sina.com。
