[关键调]钢结构;有限元计算;下挠;卸载 [中图分类号]TU391[文献标识码]A[文章编号]1002-8498(2011)14-0035-05 Researchon Characteristics and Construction ofSteelStructure in theHallof Terminal3inShenzhenAirport Chen Zhi,Shen Hongyu,Kong Weizheng,Peng Lei,Ren Jun (China Construction Steel Structure Co.,Iad.,Shenzhen,Guangdong 518040, China) Abstract;The changing characteristics of intermal force of truss and displacement on the top of steel column are analyzed based on static calculation to steel roof structure in Terminal 3 of Shenzhen Airport. Then the key points of construction are pointed out.The independence of units installation and unloading in construction process is proved by researching on internal fore superposition of 36m ×36m stand block of steel structure in the hall and analyzing on the influence of main truss deflection to followed installation after standard block unloading. Key words;steel structure;finite element calculation; deflection; unloading 随着大跨度空间结构日益广泛的应用,以及结了该方法的准确性。
2014年7月下 施工技术 第43卷第14期 CONSTRUCTION TECHNOLOGY 61 D0I:10.7672/9gjs2014140061 深圳平安金融中心钢结构工程施工关键技术* 陆建新,胡攀,王川 (中建钢构有限公司,广东深圳518040) [摘要]深圳平安金融中心为“巨型框架核心简外伸臂”抗侧力结构体系,构件类型多,超厚板多,节点复杂,体量 大.4台大型动臂式塔式起重机,外挂形式布置于核心筒外侧,满足施工要求.重点介绍了单层超厚钢板墙焊接技 术,双层桁架施工技术,超厚高性能钢焊接技术,外挂式塔式起重机支承系统设计与安装技术,有效保证了施工的 工期、质量与安全要求. [关键词]钢结构;钢板墙;桁架;焊接;塔式起重机;施工技术 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2014)14-0061-05 Key Technology of Steel Construction for Shenzhen Ping'an IFC Lu Jianxin Hu Pan Wang Chuan China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:Shenzhen Ping'an IFC is a high-rise building posed of mega frame-core-outrigger lateral resisting system with many types of steel ponents a large number of super-thick steel plates plex joints and steel quantities in it.There are four large-scale movable arm tower cranes hanging outside of the core tube to meet the construction requirement.This paper focuses on the welding technique of single super-thick steel plate shear wall the construction technique of double truss the welding technique of super-thick high performance steel and the design and installation technology of externally hung supporting system for tower crane which are the guarantee of the construction period quality and safety. Key words:steel structures;steel plate wall;trusses;welding;tower cranes;construction 1工程概况 顶60m. 平安金融中心(见图1)位于深圳市福田中心 钢板材质有Q460GJC Q420GJC Q390GJC 区,是一幢以甲级写字楼为主的综合性大型超高层 Q345GJC等,铸钢件材质为G20Mn5QT.最大板厚 建筑,集商业、观光娱乐、会议和交易等功能于一 150mm ...
施工技术 2013年1月下 6 CONSTRUCTION TECHNOLOGY 第42卷第2期 深圳平安金融中心钢板剪力墙安装技术* 徐国强,陆建新,刘晓斌,温小勇,王川 (中建钢构有限公司,广东深圳518040) [摘要]钢板剪力墙体系以其优良的抗震性能越来越广泛地应用于超高层中,钢板墙安装单元一般面积较大,板厚 相对较薄,现场整体吊装、拼缝对接施工难度较大.从钢板墙吊装、高强螺栓安装、超长焊缝焊接的安装方法和施 工技术措施等方面,提出若干施工建议,以便指导钢板墙的安装施工. [关键词]钢结构;钢板墙;吊装;焊接;高强螺栓 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2013)02-0006-03 Steel Plate Shear Wall Installation Technology of Shenzhen Ping'an Financial Center Xu Guoqiang Lu Jianxin Liu Xiaobin Wen Xiaoyong Wang Chuan (China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:Steel plate shear wall system with its excellent seismic resistant performance has been wildly used in super high buildings.Steel plate wall installation unit is larger the thickness of slab is relatively thin and integral lifting flat-fell seam butt construction is difficult.From steel plate wall lifting high- strength bolt installation long weld joint welding method of installation and construction technical measures etc. some suggestions of construction are put forward to guide plate wall installation construction. Key words:steel structures;steel plate shear wall;hoists;welding;high-strength bolt 1工程概况 深圳平安金融中心工程,位于深圳市福田中心 区,是一幢以甲级写字楼为主的综合性大型超高层 建筑物.整体结构为地下5层,地上为塔楼和裙楼, 塔楼为118层,主体结构高度为558.45m 塔式起重 机高度为660m. 钢板墙分布在主楼B5~12层,板厚为12~ 55mm 钢板墙内分布有暗柱、暗梁等.钢板墙竖向 图1钢板墙分布及分段 共分为8节,平面内分为162片,单片最大质量 Fig.1 Distribution and division of steel plate wall. 44.8t 单片最大长度为14.9m 宽度为4.8m.板厚 柱,再向外扩展安装,为保证钢板墙施工过程中侧 度>30mm的钢板,竖向缝采用焊接连接;厚度≤ 向稳定,安装过程中设置角钢临时支撑.钢板...
施工技术 2016年12月上 130 CONSTRUCTION TECHNOLOGY 第45卷第23期 D0I:10.7672/5js2016230130 深圳平安金融中心超大直径嵌岩端承桩设计与施工* 廖钢林,徐超卓 (中建一局集团建设发展有限公司,北京100102) [摘要]以深圳平安金融中心工程为依托介绍超大直径人工挖孔爆破嵌岩端承桩设计与施工关键技术.针对8m 超大直径、7O0000kN超大承载力嵌岩端承桩成孔、降水、周边变形控制等施工技术难题,通过理论研究、现场实测、 工程实体验证,形成极端复杂基坑周边环境微变形控制和超大直径人工挖孔爆破嵌岩端承桩施工综合关键技术. [关键词]高层建筑;嵌岩端承桩;人工挖孔;设计;施工技术 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2016)23-0130-04 Design and Construction of the Rock-socketed and End-bearing Piles with Super Large Diameter for Shenzhen Ping'an Financial Center Building Liao Ganglin Xu Chaozhuo (China Construction First Division Group Construction Development Co.Lad.Beijing 100102 China) Abstract:Taking Shenzhen Ping'an Financial Center project as an example to introduce key construction technology of rock-socketed and end-bearing piles with super large diameter and manual dig hole blasting this paper aimed at construction technology problems of manual digging hole precipitation and the surrounding deformation control at 8m large diameter and 700 000kN large bearing capacity for rock- socketed pile and formed micro deformation control around extremely plicated foundation excavation surroundings and prehensive key construction technology of rock-socketed and end-bearing piles with super large diameter and manual dig hole blasting. Key words:tall buildings rock-socketed and end-bearing piles;manual hole digging;design;construction 1工程概况 深圳平安金融中心地处深圳市福田中心区,由 福华路、益田路、福华三路及中心二路围成.益田 路地下有规划中的广深高铁,福华路地下有已投入 使用的地铁1号线.塔楼地上118层,地下5层,结 构形式为“巨...
施工技术 2015年10月下 24 CONSTRUCTION TECHNOLOGY 第44卷第20期 D0I:10.7672/sgis2015200024 深圳平安金融中心超厚超大复杂 异形铸钢件安装焊接技术 赵兴龙,任常保,于有为,宫圣岳 (中建一局集团建设发展有限公司,北京100102) [摘要]深圳平安金融中心项目通过对超厚超大复杂异形铸钢件安装焊接技术研究,总结并制定了适合本项目铸 钢节点的安装焊接工艺措施及检测标准,成功地指导完成了超厚板复杂异形铸钢件安装焊接工作.重点介绍了铸 钢件钢板过渡段设置、铸钢节点实体预拼装、超厚铸钢件现场焊接工艺评定、超厚板铸钢件检测标准等. [关键词]高层建筑;异形;铸钢件;安装;焊接 [中图分类号]TU758.16 [文献标识码]A [文章编号]1002-8498(2015)20-0024-04 The Installation and Welding Technology of Super Thick and Large Complex Cast Steel of Shenzhen Ping'an IFC Zhao Xinglong Ren Changbao Yu Youwei Gong Shengyue (China Construction First Group Construction Development Co.Lid.Beijing 100102 China) Abstract:Through the research on the installation and welding of super thick and large plex cast steel in Shenzhen Ping'an IFC project the suitable installation and welding measures and testing standards were summed up and formulated and successfully guided the construction.This paper mainly introduces the transition section setting of cast steel the solid pre-assembly of the cast steel joints the evaluation of the welding process of the super thick cast steel the testing standards of the super thick plate and so on. Key words:tall buildings;special shaped;cast steel;installation;welding 1工程概况 塔尖枪 深圳平安金融中心工程位于广东省深圳市福 第7道 塔冠A 单层带 田中心区,是一幢以甲级写字楼为主的综合性、大 状桁架 第6道 型超高层建筑.结构主体采用钢结构,总用钢量达 第4道 单层带 状衔架 10万t 是目前中国在建最高楼,地下5层,地上主 伸臂桁架 第5道 双层带 塔楼118层,裙房11层,主体结构高度为558.45m 第3道 伸臂桁架 状桁架 第4道 塔尖高度为660.00m 塔楼为“巨型框架-核心筒-外 单层带 状桁架 伸臂”抗侧力体系,核心筒内埋钢板墙及劲性柱,外 第3道 第2道 单层带 筒采用巨型柱、环带桁架、巨型斜撑、V形...
2015年4月下 施工技术 第44卷第8期 CONSTRUCTION TECHNOLOGY 17 D0I:10.7672/sgjs2015080017 深圳平安金融中心超厚Q460GJC钢材 全位置焊接技术* 陆建新,杨定国,王川,胡攀,霍宗诚,张贺 (中建钢构有限公司,广东深圳518040) [摘要]深圳平安金融中心伸臂桁架材质为高强度钢Q460GJC 节点焊缝厚度为120mm 节点采用全位置焊接,包 括平焊、立焊、仰焊,难度极大.对Q460GJC的材质和焊接特点进行了分析,根据不同的焊接位置选择焊接材料及 焊接工艺,总结出能满足施工现场进行Q460CJC超厚板全位置焊接的参数和方法. [关键词]高层建筑;高强度钢;焊接;工艺参数;力学性能 [中图分类号]TU758.162 [文献标识码]A [文章编号]1002-8498(2015)08-0017-04 Super Thick Q460GJC All Position Welding Technology of Shenzhen Ping'an IFC Lu Jianxin Yang Dingguo Wang Chuan Hu Pan Huo Zongcheng Zhang He (China Construction Steel Structure Co.Lid.Shenzhen Guangdong 518040 China) Abstract:Q460GJC high-strength steel used in cantilevered truss of Shenzhen Ping'an IFC is 120mm thick and all position welding is applied to Q460GJC steel including downward welding vertical welding and overhead welding.Different welding position and large welding thickness makes it very difficult in welding.Through analysis of material and welding characteristic of Q460GJC steel different welding consumables and procedures are chosen according to different welding position and a set of welding parameter and welding methods fit the on-site all position welding of super thick Q460GJC steel is summarized. Key words:tall buildings;high strength steel;welding;process parameters;mechanical performance 1工程概况 平安金融中心位于深圳市福田中心区,是一幢 以甲级写字楼为主的综合型大型超高层建筑物,集 商业、观光娱乐、会议和交易等功能于一体.整体 为“巨型框架核心筒外伸臂”抗侧力体系,地下室 5层,地上塔楼118层,主体结构高度558.45m 塔 尖高度为660m.核心筒地下室5层至地上12层采 用钢板墙;12层以上为含劲性钢柱的剪力墙,118层 以上为塔冠钢结构及枪杆.外框由8根...
2016年3月上 施工技术 第45卷第5期 CONSTRUCTION TECHNOLOGY D01:10.7672/sgjs2016050001 深圳平安金融中心大型动臂塔式起重机配置关键技术* 周予启,史媛,李彦贺 (中建一局集团建设发展有限公司,北京100102) [摘要]深圳平安金融中心主塔楼施工中,在核心筒墙外侧布置4台大型动臂塔式起重机,用于钢构件和其他材料 的垂直运输.详细介绍了塔式起重机选型布置,塔式起重机附着形式,塔式起重机爬升高度,能满足现场材料运输 需要,保证了施工顺利进行. [关键词]高层建筑;塔式起重机;动臂塔式起重机;垂直运输;爬升 [中图分类号]TH213.3 [文献标识码]A[文章编号]1002-8498(2016)05-0001-03 The Distribution of Large Tower Crane with Movable Arm for Shenzhen Ping'an Financial Center Building Zhou Yuqi Shi Yuan Li Yanhe (China Construction First Division Group Construction Development Co. Lid.Beijing 100102 China) Abstract:Based on Shenzhen Ping'an Financial Center Building project four large tower cranes with movable arm are distributed on the outside of core tube wall which are used for vertical transportation of steel members and other materials.This paper introduces related contents of tower crane including selection and arrangement attachment form climbing height which can meet the requirement of field material transportation ensure smooth construction. Key words:tall buildings;tower cranes;tower cranes with movable arm;vertical transportation;climbing 1工程概况 深圳平安金融中心(Ping’an Financial Center PAFC)是以甲级写字楼为主的综合性大型超高层建 筑,总建筑面积460665m2 其中主塔楼118层,采用 L114~115 “巨型框架-核心筒-外伸臂”抗侧力体系,外框由8 L97~99 根巨型钢骨混凝土柱和巨型斜撑及7道环带桁架构 L81~83 成,核心筒为九宫格布局的内置钢骨劲性混凝土结 L65-67 构,内、外筒间通过4道伸臂桁架相连,如图1所示. L49~51 主塔楼超高,结构尺寸很大,外框巨柱截面尺 L25~27 寸最大达6.525m×3.2m 内置钢骨截面尺寸达 L10~11 5.5m×2.3m 钢板厚度最大达75mm 每延米重达 a平面 10t 如图2所示.另外,结构构件数量多、运输距离 长,对塔式起重机起重能力、运行速度均提出很高 b立面 要求. 图1深圳...
2015年6月下 施工技术 第44卷第12期 CONSTRUCTION TECHNOLOGY 115 D01:10.7672/sgjs2015120115 深圳平安金融中心多工序无缝衔接关键技术 李彦贺1,周予启2,翁德雄3,闻讯3,王鸿章2 (1.北京交通大学土木建筑工程学院,北京100044;2.中建一局集团建设发展有限公司,北京100102; 3.深圳平安金融中心建设发展有限公司,广东深圳518048) [摘要]深圳平安金融中心主塔楼建筑高度660m 结构形式为巨柱框架-核心筒-桁架抗侧力体系;采用核心筒先 行,外框紧随其后的施工部署,4台大型动臂塔式起重机附着于核心筒外侧;核心筒采用多点小吨位液压爬升模架 体系.施工期间如何做好塔式起重机爬升、钢结构安装、爬模爬升三者之间的施工衔接是制约施工总进度计划的 重点及难点. [关键词]高层建筑;塔式起重机;钢结构;爬模;无缝衔接 [中图分类号]TU7 [文献标识码]A [文章编号]1002-8498(2015)12-0115-04 Seamless Key Technology of Multi-construction Process in Shenzhen Ping'an Financial Center Building Li Yanhe Zhou Yuqi2 Weng Dexiong3 Nen Xun3 Wang Hongzhang㎡ (1.School of Civil Engineering Beijing Jiaotong University Beijing 100044 China;2.China Construction First Group Construction Development Co. Lid.Beijing 100102 China:3.Shenzhen Ping'an Financial Center Construction Development Co.Ltd.Shenzhen Guangdong 518048 China) Abstract:The height of Shenzhen Ping'an Financial Center building is 660m the structure form contains super-columns core tube and truss lateral force resisting system.'Core tube first frame close behind' is the principle of the construction deployment.Four large tower cranes are attached to the outside of the core tube and multi-point small tonnage hydraulic climbing formwork system is applied to the core tube. How to arrange the connection among the cranes climbing steel installation and formwork climbing during construction is the emphasis and difficulties that restricts the overall construction schedule. Key words:...
施工技术 2015年7月下 88 CONSTRUCTION TECHNOLOGY 第44卷第14期 D0I:10.7672/8js2015140088 深圳平安金融中心外挂式塔式起重机支承系统设计 戴立先,胡攀,陆建新,周明,俞霆,孔维拯 (中建钢构有限公司,广东深圳518040) [摘要]深圳平安金融中心塔楼施工,4台重型动臂式塔式起重机均外挂布置于核心筒外侧并实现自爬升.重点介 绍了外挂式塔式起重机支承系统的结构及构造设计思路,评估了支承系统与核心筒之间的优化布置.分析了塔式 起重机与支承系统之间的相互作用,总结出影响塔式起重机支承系统荷载工况的3个主要因素:塔式起重机爬升 高度、工作状态、塔臂方位. [关键词]高层建筑;外挂式;塔式起重机;支承;设计 [中图分类号]TU61 [文献标识码]A [文章编号]1002-8498(2015)14-0088-04 Design of Externally Hung Supporting System for Tower Cranes of Shenzhen Ping'an IFC Dai Lixian Hu Pan Lu Jianxin Zhou Ming Yu Ting Kong Weizheng China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:Four heavy jib tower cranes hung on the outside of core wall which can climb on the support frame set on the outside of core wall are used in Ping'an IFC project.This paper mainly focuses on the design idea of the support system of externally hung tower crane and assesses the optimal layout between the support system and the core barrel.The interaction between the crane and the supporting systems were analyzed three main factors which may affect the load case of support system are concluded including the climbing height of tower cranes work situation and tower arm position. Key words:tall buildings;externally hung;tower cranes;supports;design 1工程概况 起重机的自重达440t 最大起重量为100t 支承系统 平安金融中心(见图1)位于深圳市福田中心 承担的荷载较大,其结构的安全性、外挂支承系统 区,是一幢以甲级写字楼为主的综合性大型超高层 附墙的优化设计、以及节点设计的合理性都非常重 建筑,功能包括商业、观光娱乐、会议中心和交易中 要,也是本文重点讨论的问题. 心等.地下室5层,地上塔楼118层,设计主体结构 高度为597.00m 塔尖高度为660.00m 建成后将成 为国内最高的建筑.塔楼为“巨...
[关键词]体育场;钢结构;屋盖;轮辐式索-桁屋盖;索;桁架;张拉;提升 [中图分类号]TU758.11[文献标识码]A[文章编号]1002-8498(2011)18-0029-04 Integral Tensioning and Lifting Technology of SpokewiseCable-trussRoofofShenzhenBao'anStadium Chen Qian',Yu Bin',Zhu Ying',Zhang Qiang',Liang Cunzhi',Dong Yue',Zhao Hongbin',Jin Hong² (1.ChinaAcdemyfBuilingReserch,CABRTech(Bejng)StructureEngineering Co.Ld.,Bejing100013,China; 2.An'gang Steel Company Limited General Energy andPower Plant,Anshan,Liaoning 114012,China) Abstract;The roof of Shenzhen Bao'an Stadium is a posite structure which is posed of cable-truss structure and membrane structure.The cable-truss structure is the support skeleton of membrane structureTheroofisconsistsfupperringcableslowerringcableslyingcolumns,uterpressin ring beamand 36cable trusses.The key process isintegral lifing of radial cables.Under conditions of large stel cables quantities,heavy loading and short construction period,it is very difficult to construct. Afer all kinds ofmethods are pared and simulated,the construction methods of lifting upper ring cables firstly,then lifting lower ring cables and installing suspended cables are decided. The synchronized automatic control system is used to tension the cables. Key words:stadium; steel structures;roofs; spokewise cable-truss roofs; cables; trusses; tension; lifting 1工程概况 深圳宝安体育场是第26届世界大学生运动会 的足球比赛场地。
【关键调】深圳大运中心;主体育馆;钢屋盖;滑移;吊装;施工技术 [中图分类号]TU758.1 [文献标识码】A[文章编号】1002-8498(2010)08-0064-05 ConstructionTechnology ofSteel Roof in Shenzhen Universiade Sports Center Main Gymnasium Wang Dawei',Zhao Jianguo²,Zhang Guiting',Hu Yu² (1.Shanghai Baoye Group Co., Lad., Shanghai 200941, China; 3.Bureau of Public Works of Shenzhen Municipality,Shenzhen,Guangdong518004,China) Abstract:The main gymnasium of Shenzhen Universiade Sports Center is the structure with reinforced concrete frame and folded surface spatial grid steel roof. It has high precision requirement for pre- embedded bolt installation of steel roof support and difficulties for construction,furthermore,it is difficult for construction organization management on site and safety control, and closure of main structure in high temperature condition.According to engineering characteristics and difficulties,the construction technology of accumulated rotation sliding for steel roof is applied, as well as the construction idea of "fixed-point assembly at high altitude, accumulated rotation sliding,hoisting main ponent first and setting,fixed-point assembly at high altitude and accumulated rotation sliding are introduced in detail. And the synchronous grade unloading technology is adopted. Key words; Shenzhen Universiade Sports Center; main gymnasium; steel roof; sliding; hoisting; construction technology 1工程概况 1.2主体育馆工程 1.1整体工程 主体育馆和热身馆总建筑面积73761m,主体育 深圳大运中心位于深圳市龙岗中心城西区,整个 馆高36.50m,热身馆高13.22m,工程总用钢量约 项目占地约87.4hm²,建筑面积超过30万m²,建成后 7000t。
2010年8月 施工技术 第39卷第8期 CONSTRUCTION TECHNOLOGY 61 深圳大运中心主体育场铸钢节点验收 及拟合预拼装技术 陈江,陈韬,徐聪,严小霞 (中建钢构有限公司,广末深圳518040) [摘要]深圳大运中心主体育场采用内设张拉膜的钢屋盖体系,钢结构形式为单层折面空间网格结构,分为铸钢节 点和焊接节点两种形式.运用计算机拟合技术,成功解决了超重、复杂、多分支铸钢节点验收难题,并通过实测坐 标与理论坐标的拟合,将其应用到构件预拼装方面,在限定的较短工期内达到了快速、精准的构件拼装效果,确保 了施工质量和施工进度,同时指出节点、构件的误差来源及消除措施. [关键词]深圳大运中心;铸钢节点;拟合:验收:预拼装 [中图分类号]TU758.16 [文献标识码]A [文章编号]1002-8498(2010)08-0061-03 Acceptance and Fitting Pre-assembling Technology for Cast Steel Joints in Shenzhen Universiade Sports Center Main Stadium Chen Jiang Chen Tao Xu Cong Yan Xiaoxia China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:Steel roof system with inner tensioned membrane is applied in Shenzhen Universiade Sports Center Main Stadium whose steel structure is single-layer folded-surface spatial grid.The steel structure includes cast steel joints and welding joints.By puter fitting technology the acceptance for overweight plex and multi branches cast steel joints are successfully pleted.Besides through fitting of actual coordinate and theoretical coordinate this technology is also used in pre-assembling of structures which advances construction efficiency increases economical benefits and ensures the construction progress and quality.Furthermore the error causes and elimination measures for joints and structures are put forward. Key words:Shenzhen Universiade Sports Center;cast steel joint;fitting;acceptance;pre-assembling 1工程概况 内环 深圳大运中心主体育场采用内设张拉膜的钢屋盖 内环 体系,钢结构形式为单层折面空间网格结构,平面...
2011年9月下 施工技术 第40卷第349期 CONSTRUCTION TECHNOLOGY 33 深圳大运中心主体育场钢结构支撑胎架同步卸载技术 张强1,于滨,朱莹1,陈茜1,金弘2 (1.中国建筑科学研究院建研(北京)结构工程有限公司,北京100013; 2.鞍钢股份有限公司能源动力总厂,辽宁鞍山114012) [摘要]深圳大运中心主体育场屋盖为单层折面空间网格结构,采用临时支撑、高空拼接的方法进行施工,在拼装 施工后对胎架临时支撑的卸载成为施工中的关键环节.首先分析了各临时胎架的支撑反力与卸载后的竖向位移, 提出合理的同步卸载施工方案与施工步骤.以各卸载点最大顶升力为依据,对施工设备进行科学选取与现场布 局.介绍了整套计算机同步控制系统的组成、工作原理以及控制功能.实践结果充分体现了施工方案选取的科学 性,以及同步控制系统在大型钢结构施工中的优越性和经济性. [关键词]体育场;钢结构;胎架;卸载;施工技术 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2011)18-0033-04 Synchronous Unloading of Support Jigs for Steel Structure of Main Stadium in Shenzhen Universiade Sports Center Zhang Qiang' Yu Bin' Zhu Ying' Chen Qian' Jin Hong? (1.China Academy of Building Research CABR Tech Bejing)Structure Engineering Co.Ltd.Beijing 100013 China; 2.An'gang Steel Company Limited General Energy and Power Plant Anshan Liaoning 114012 China) Abstract:The roof of main stadium in Shenzhen Universiade Sports Center is a single-layer folded-surface spatial grid system.Structural members were assembled on temporary support at high altitude.Unloading of the temporary support jigs after steel beams installation bees the important step.The support reaction of the temporary support and vertical displacement after it is unloading are analyzed.The feasibility of operations and construction steps of synchronous unloading are also considered.Based on the maximum jacking force of each unloading point the selection and field layout of construction equipment are done scientifically.The positions principles...
2012年1月下 施工技术 第41卷第357期 CONSTRUCTION TECHNOLOGY 5 深圳大运中心主体育场钢结构支撑胎架 同步卸载关键问题分析 梁存之,于滨,欧阳超2,陈韬2,潘从建,张建林,冯大斌 (1.中国建筑科学研究院,北京100013;2.中建钢构有限公司,广东深圳518040) [摘要]深圳大运中心主体育场屋盖为单层折面空间网格结构,根据工程特点,施工时采用“先胎架拼装成型再卸 载成为自承重结构”的成型方式.通过工况分析,并结合卸载施工的可操作性,提出合理的卸载施工方案.运用有 限元仿真模拟,为施工监测提供依据,并针对卸载中的关键问题进行分析,并提出解决方案.施工实践表明:理论 分析结果与现场监测值吻合很好. [关键词]钢结构;支撑胎架;卸载;有限元仿真模拟;监测 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2012)02-0005-04 Analysis on Key Problems of Synchronous Unloading of Support Jigs for Steel Structures of Main Stadium in Shenzhen Universiade Sports Center Liang Cunzhi' Yu Bin' Ouyang Chao2 Chen Tao2 Pan Congjian' Zhang Jianlin' Feng Dabin' (1.China Academy of Building Research Beijing 100013 China; 2.China Construction Steel Structure Co. Lad.Shenshen Guangdong 518040 China) Abstract:The roof of main stadium in Shenzhen Universiade Sports Center is a single-layer folded-surface spatial grid system.Based on the engineering characteristics structure members are assembled on temporary support jigs before it could resist its gravity and other load when members integrated.The reasonable construction scheme is proposed by condition analysis and unloading maneuverability. Monitoring basis is provided by finite element simulation analysis and the solution of the key problems of unloading are introduced.The results show that the monitoring results are consistent with theoretical analysis results. Key words:steel structures;support jigs;unloading;finite element analysis;monitoring 1工程概况 140mm(未包括铸钢节点...
【关键词】深圳大运中心:单层折面空间网格:安装控制;卸载:施工监测 [中图分类号】TU758.11 [文献标识码】A[文章编号]1002-8498(2011)14-0001-04 Installation Technology of Steel Structure in MainStadium ofShenzhenUniversiadeSports Center Wang Hong,Ouyang Chao,Xu Cong,Ye Guangwei,Yan Xiaoxia (China Consruction Steel Structure Co.,Ld.,Shenzhen,GuangdongS18040,China) Abstract:Single triangular gridding by folding method is designed in Main Stadium of Shenzhen Universiade Sports Center.The key technologies of stcel structure installation are introduced,inchuding ucceptance and fitting pre-assembling technology of sleel castings, temporary support system control during constuction,positionand corrctionfcast steeljoints,unloadingof structureon-site welding f high-srength large diameter super-thick casting and forging, as well as measuring control and construction monitoring.The monitoring results show that the structural displacement,ponents stres and strain are controlled in allowable range of design,and the structure is safe and reliable,which proves that the assembling technology of supporting with frame, asserbling at high altitude in-field is practical for the single triangular gridding by folding method. Key words:Shenzhen Universiade Sports Center; singie triangular gridding by folding method installation control;unloading; construction monitoring 1工程概况 育场拥有观众席位6万个,建成后为2011年第26 深圳大运中心位于深圳市龙岗区体育新城,由届世...
施工技术 2010年8月 58 CONSTRUCTION TECHNOLOGY 第39卷第8期 深圳大运中心主体育场钢屋盖结构设计 刘琼祥,张建军,郭满良,刘臣,彭省华 (深圳市建筑设计研究总院,广东深圳518031) [摘要]深圳大运中心体育场钢屋盖,充分发挥钢管的受拉受压特性,将单层三角形网格,通过空间折面的方法,使 之整体成为马鞍形单层折面空间网格结构,这种新的结构体系,开辟了结构设计新空间.重点介绍了钢屋盖节点 命名、传力路径、节点构造以及球形支座形式.通过支座位置外移、减小内外环高低差、管径及钢材选用、抗连续倒 塌设计等措施,确定结构性能控制指标安全、合理. [关键词]深圳大运中心;主体育场;钢屋盖;结构设计 [中图分类号]TU245 [文献标识码]A [文章编号]1002-8498(2010)08-0058-03 Structural Design for Steel Roof of Shenzhen Universiade Sports Center Main Stadium Liu Qiongxiang Zhang Jianjun Guo Manliang Liu Chen Peng Shenghua Shenzhen General Institute of Architectural Design and Research Co.Ltd.Shenzhen Guangdong 518031 China) Abstract:The steel roof designed for Shenzhen Universiade Sports Center Main Stadium is posed of single triangular grid by folding method and is made the best of tensile and pressive bearing capacity of steel tubular.This saddle structure called single-layer folded-surface spatial grid structure is a new structural design.The joint naming path of force transfer joint structure and spherical support type of steel roof are introduced in detail.Through outer transfer of support position reducing height difference of inner and outer circles choosing pipe dimension and steel material and continuous collapse resistance the control indexes for structural performance are verified to be safe and reasonable. Key words:Shenzhen Universiade Sports Center;main stadium;steel roof;structural design 1工程概况 在不同区城分别为51.9-68.4m.屋盖结构形状为马 深圳大运中心位于深圳龙岗区,占地1.2km2 包 鞍形,外圈高差为12m 内圈高差为8....
施工技术 2010年8月 52 CONSTRUCTION TECHNOLOGY 第39卷第8期 深圳大运中心主体育场施工过程模拟分析 郝际平,田黎敏,郑江 (西安建筑科技大学,陕西西安710055) [摘要]深圳大运中心主体育场屋面采用单层折面空间网格钢结构体系,具有悬挑长度大、折面刚度大的结构特 点.由于结构形式复杂,施工周期较长,所以建造过程对结构的内力和变形影响较大.利用施工力学的方法对施 工过程进行跟踪模拟分析,得出最优的施工方案,使结构的受力和变形趋于设计状态,保证施工过程的安全性. [关键词]深圳大运中心;主体育场;施工模拟;内力;变形 [中图分类号]TU311.41[文献标识码]A【文章编号]1002-8498(2010)08-0052-03 Simulation Analysis of Construction Process of Shenzhen Universiade Sports Center Main Stadium Hao Jiping Tian Limin Zheng Jiang (Xi'an University of Architecture and Technology Xi'an Shaanxi 710055 China) Abstract:Shenzhen Universiade Sports Center Main Stadium's roof is a single-layer folded-surface spatial grid system.It has some structural characteristics such as great cantilever and great stiffness.Because the structures are very plex and the construction cycle is long the impact of internal forces and deformation is relatively large for construction.The construction mechanics bines structure mechanics and construction technology together and the large-span steel structure construction's process simulation must be done to make use of mechanical methods of construction.And it is necessary to take reasonable construction procedures to guarantee the stress and deformation of the construction-pleted structure to meet the requirement given by designers. Key words:Shenzhen Universiade Sports Center;main stadium;construction simulation;internal force; deformation 用施工力学的方法对结构施工进行预分析,不仅270m椭圆形,最高点的高度为44.1m 在不同的区域 可以优化施工方案,还可以对施工过程中可能出现的悬挑长度分别为5...