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ID:51443214
大小:3.57 MB
页数:9页
时间:2020-03-24
《华润总部大楼多柱交叉钢节点设计.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、建耸型i翅,兰塑』!旦塑!!!!堕i!鱼i篮墨!型!坐翌!委墨差煎三竺翌盘i!田文章编号:1000—6869(2017)05-0011-09DOI:10.14006/j.jzjgxb.2017.05.002华润总部大楼多柱交叉钢节点设计何远明。2,黄用军1”,彭肇才1,邬鹏飞1,何志力1’2(1.悉地国际设计顾问(深圳)有限公司,广东深圳518057;2.深圳市欧博工程设计顾问有限公司,广东深圳518053)摘要:华润总部大楼,建筑高度400m,外形酷似“春笋”,采用筒中筒结构。为与建筑外形相协调,结构外筒为斜交钢网格,局部楼层存在较为复杂的多柱交叉节点。从传力路径人手,详细介绍
2、了底层柱交叉节点的设计和验证过程,包括节点区板件连接方案的选择、板厚的优化与确定、以及节点的细部构造等。为降低加工和安装的难度,对节点构造进行的简化会使节点产生附加内力。在工程中,节点区面板的处理使得节点区承受附加弯矩,其引起的次应力约占到初始应力的40%,设计中不容忽视。验证性试验结果表明,有限元分析结果与试验结果一致,证明节点设计基本合理,在设计荷载作用下节点处于弹性T作状态,可有效传递荷载。研究表明,复杂节点设计应全面分析其传力路径的可靠性和细部构造对节点的影响,方能确保设计安全。关键词:超高层建筑;复杂节点;细腰节点;传力路径;概念设计;节点构造;有限元分析中图分类号:T
3、U973.13TU311.41文献标志码:ADesignofmulti-columnintersectionsteeljointfortheChinaResourcesHeadquarterTowerHEYuannfin91”,HUANGYongiunl'-,PENGZhaocail,WUPenCeil,HEZhilil,2(1.CCDIInternational(Shenzhen)DesignConsultantsCo.,Ltd,Shenzhen518057,China;2.ShenzhenAubeArchitecturalEngineeringDesignCo.,Ltd,Sh
4、enzhen518053,China)Abstract:TheChinaResourcesHeadquarterTowerwithbuildingheightof400mislikeabambooshootsinspring.Ithasatube-in-tubestructuresystem,andtheexternalsteeltubeconsistsofincliningcolumns,So,manycomplexmultiⅢ)lumncrossingjointsarecomingtofitthebuildingshape.Theprocessofdesignandverif
5、icationofthebottommulti—columncrossingjointisintroducedtOstartwiththepathofforcetransmission.Connectionschemeofjointslabs,slabthicknessoptimizationanddetailconstructionarealsorecommended.Usually,thejointwillbesimplifieds0thatmachiningandsettingupcanbemoreeasily.However,thissimplifiedprocessnl
6、ayproduceadditionalforcetothejoint.Flattingthejointspanelmightbringasecondarystressupto40%oftheinitialstress,asextramomentexists.Itsinfluencecanno[beignored.Theverificationtestresultsshowthatthefiniteelementanalysisresultsareconsistentwiththatofthetest,andthejointdesignedreasonablywillbeelast
7、icunderthedesignload.Comprehensiveanalysisoftheforcetransferpathandtheconstructionaldetailsisconductedtoensurethestructuresate.Keywords:superhigh—risebuilding;complexjoint;slenderwaistjoint;pathofforcetransmission;conceptualdesign;jointconstr
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