施工技术 2013年8月上 100 CONSTRUCTION TECHNOLOGY 第42卷第15期 D0I:10.7672/8gjs2013150100 河道不断流工况条件下立体交叉结构施工 肖鹏 (上海市基础工程集团有限公司,上海200002) [摘要]上海外滩地区交通枢纽综合改造工程中,东西通道4标段洋泾港节点为4层交通体系交叉点,由上至下包 括新建洋泾港桥、洋泾港河道、东西通道地下部分、14号线盾构穿越.施工中采取断航限流的施工方案,即筑拦河 围堰,敷设导流管,筑临时道路,基坑全断面施工.指出了保障通航安全措施和防止污染措施等,保证了在洋泾港 不断流、主干道交通不中断前提下顺利完成东西通道和洋泾港桥结构施工. [关键词]港口工程;立体交叉结构;围堰;施工技术 [中图分类号]TU745.3 [文献标识码]A [文章编号]1002-8498(2013)15-0100-03 Construction of Cloverleaf Structure Under River Flows Constantly Working Xiao Peng Shanghai Foundation Engineering Group Co.Ltd. Shanghai 200002 China) Abstract:In prehensive renovation construction of bund transport hub Shanghai the Pidgin port node of No.4 tenders of east-west channel is four layers traffic system intersection.From top to bottom the cloverleaf structure includes new Pidgin port bridge the Pidgin port channel the underground part of east-west channel and shield crossing of subway line 14.Construction scheme of covering navigating and limiting flow during construction is adopted such as building river cofferdam laying pipe building temporary roads full-face excavation construction of foundation excavation.Moreover safety and anti- pollution measures are pointed out.The east-west channel and Pidgin port bridge structure is successfully pleted without interrupt the transporting of Pidgin port and main roads. Key words:ports and harbors;cloverleaf structures;cofferdams;construction 1工程概况 8m.老洋泾港桥跨度为22m.新建洋泾港桥宽度 上海外滩地区交通枢纽综合改造工程东西通为46.3m 分为3幅施工,中间幅与东西通道洋泾港 道西起延安东路隧道浦东出...
2016年1月下 施工技术 第45卷第2期 CONSTRUCTION TECHNOLOGY D0I:10.7672/sgjs2016020001 河北奥林匹克体育中心游泳馆钢结构 工程施工方案比选* 贾尚瑞,李娜,邢遵胜,郑波 (浙江精工钢结构集团有限公司,浙江绍兴312030) [摘要]通过河北奥林匹克体育中心游泳馆钢结构安装工程,系统介绍了4种可行的施工方案;并详细说明了滑移 施工和履带式起重机场外吊装2种施工方案细节;通过对2种方案在工期、施工便利性、经济性以及成型和附加内 力方面的分析比较,最终选择履带式起重机场外吊装施工方案作为钢结构安装方案. [关键词]体育馆;钢结构;施工方案;滑移;吊装 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2016)02-0001-04 Construction Scheme Comparison for the Steel Structure Project of Hebei Olympic Sports Center Natatorium Jia Shangrui Li Na Xing Zunsheng Zheng Bo Zhejiang Jinggong Steel Building Group Co.Ltd.Shaoxing Zhejiang 312030 China) Abstract:By the steel structure construction project of Hebei Olympic Sports Center Natatorium it systematically introduces four feasible construction schemes also detailedly explains the scheme details of sliding construction and hoisting construction of crawler crane outside structure.Through parison of two schemes in terms of time construction convenience economy the forming and additional internal force the hoisting construction of crawler crane outside structure was selected as the steel structure installation scheme. Key words:gymnasiums;steel structures;construction scheme;sliding;hoists 1工程概况 门拱桁架和14福大跨拱梁及梁间连系次构件组成. 河北奥林匹克体育中心位于河北省石家庄市拱梁采用规格为B1500×600×20×20焊接箱形截 正定新区,总建筑面积约12.5万m2 地下1层,地 面,拱脚与下部混凝土采用成品铰支座,如图2 上4层,由体育馆、游泳馆、综合馆及网球中心组成,所示. 如图1所示. 体育馆 游泳馆 1111 综合训练馆 及网球中心 880088 图1河北奥林匹克体育中心 Fig.1 Hebei Olympic Sports Center a轴视图 其中游泳馆屋盖为单层拱壳结构,平面尺寸 149m×122m 结构最大标高25.500m;由1福巨型 b侧视图 图2游泳馆屋盖钢结构...
2015年8月下 施工技术 第44卷第16期 CONSTRUCTION TECHNOLOGY 93 D0I:10.7672/sgj82015160093 汉江流域近堤浅滩深埋式承台支护体系 设计与受力性能研究 周鹏华 (中建三局集团有限公司工程总承包公司,湖北武汉430070) [摘要]以武汉江汉六桥工程防洪大堤内浅滩区域深埋式承台施工为背景,对承台开挖过程中深基坑稳定性与大 堤稳定性两者之间的相互关系进行分析,通过不同的支护方案进行对比分析,选择最合理的支护方案解除承台基 坑两侧不平衡土压力,保证承台施工安全及防护大堤稳定.结合实际工况,分析不平衡土压力对选定的承台深基 坑支护结构的影响,并在施工中对支护体系及防洪大堤进行位移监测,研究、验证了选定支护体系的安全性. [关键词]桥梁工程;深埋承台;支护结构;不平衡土压;稳定性;位移 [中图分类号]U443.2 [文献标识码]A[文章编号]1002-8498(2015)16-0093-05 Supporting System Design and Stress Performance Research of Deeply Buried Cap at Shoal Area Along Hanjiang River Zhou Penghua General Construction Company of CCTEB Group Co.Lad.Wuhan Hubei 430070 China) Abstract:Taking deeply buried cap construction at shoal area of flood control embankment in Wuhan Jianghan Sixth Bridge project as background the relationship of stability of deep foundation excavation and the embankment during the cap excavation is analyzed.By paring analysis of different retaining schemes the most rational retaining scheme is selected to eliminate unbalanced soil pressure both side of foundation which can assure the cap construction safety and embankment stability.Combining with practice conditions the influence of unbalance soil pressure to retaining structure of cap's deep foundation excavation was analyzed the displacement monitoring of retaining system and embankment was done the safety of retaining system was studied and verified. Key words:bridges;deeply buried cap;retaining structure;unbalance soil pressure; stability;displacement...
2014年9月上 施工技术 第43卷第17期 CONSTRUCTION TECHNOLOGY 73 D0I:10.7672/5js2014170073 桁架对顶推钢梁性能影响研究* 马重刚1,周鹏华1,朱海军12,谢小飞12,朱琳1,张利平 (1.中建三局集团有限公司工程总承包公司,湖北武汉430064: 2.湖北中建三局建筑工程技术有限责任公司,湖北武汉430070) [摘要]以武汉江汉六桥钢梁大跨顶推施工为背景,通过基本原理分析采用临时结构对钢梁刚度加强方式,并对不 同加强方案进行对比分析,选取合理覆盖范围的桁架结构,以减小顶推最大悬臂⑨0m时导梁前端挠度及钢梁应力; 通过对各个顶推施工阶段计算分析和实际施工监测表明,采用桁架结构能够很好地解决导梁挠度过大和钢梁应力 水平过高的问题. [关键词]桥梁工程:悬索桥;钢梁;顶推技术;桁架;施工技术 [中图分类号]U445.462 [文献标识码]A [文章编号]1002-8498(2014)17-0073-04 Study on the Effect of Truss on the Properties of Incremental Launching Construction for Steel Girder Ma Zhonggang' Zhou Penghua' Zhu Haijun.2 Xie Xiaofei.2 Zhu Lin' Zhang Liping' (1.General Construction Company of CCTEB Group Co.Ltd.Wuhan Hubei 430064 China; 2.Hubei Building Construction Technology Co.Lsd.of CCTEB Group Co.Ltd.Wuhan Hubei 430070 China) Abstract:Based on incremental launching construction of the steel girder for the Sixth Jianghan Bridge in Wuhan the effect of temporary structure on strengthening mode of steel girder stiffness is analyzed by basic principle strengthening schemes are pared truss structure with reasonable coverage area is chosen to reduce the steel girder stress and deflection in front of guide girder in incremental launching construction of the maximum cantilever with 90m.The calculation analysis and actual construction monitoring show that truss structure can solve the problems of too large deflection of guide girder and too large stress of steel girder. Key words:bridges;suspension bridges;steel girders;increme...
[关键词】高层建筑;核心筒井筒;液压爬升模板;二次水平结构;施工技术 [中图分类号】TU755.2 [文献标识码】A[文章编号]1002-8498(2016)02-0098-03 ConstructionofHydraulicSelfClimbingFormworkSystemfor SecondaryHorizontalStructureofCoreTubeShaft Liu Zhijian',Wu Renghui',Xue Gang²,Wang Hongyuan²,Xu Wei² (1.Beijing Zulin Formwork&Scaflding Co.,Ld.,Beijing101300,China; 2.China Construction First Building(Group)Co.,Ltd.,Bejing 100070, China) Abstract:At present, the hydraulic self climbing formwork has been widely used in the construction of tall building core tube.Combining with the construction scheme design of hydraulic self climbing formwork in tall building core tube,in an engineering construction of Shijiazhuang,the improved core tube shaft hydraulic self climbingformwork and supports was usedfirstly.This technology can save labor, improve effect,reduce risk in the aspects of formwork selection,corresponding supports design,scheme application and so on. Key words:tall buildings;core tube shaft;hydraulic climbing formwork;secondary horizontal structure; construction 1工程概况 核心筒第1施工面爬模施工至F10层后,第2 河北石家庄某工程主塔楼为型钢柱-外包混凝施工面施工至F2层。
[关键词】绿色施工;围墙;PVC;环保 【中图分类号】TU733 [文献标识码】A [文章编号】1002-8498(2014)10-0082-03 ConstructionofComponent-basedPvCGreenEnclosingWall (China Construction Seenth Engineering Division Co.,Ltd.,Zhengzhou,He'nan 450004,China) Abstract;Based on the disadvantages of traditional enclosing wall like slow construction speed, high construction cost and can not be recycled, the ponent-based PVC green enclosing wall is proposed. Authors introduce the material, structure, technical principle and construction process of ponent- based PVC green enclosing wall and also introduce the key control points on installation.Combined with the different construction environment and requirements,several types of enclosing wall are designed. The construction practice shows that application of ponent-based PVC green enclosing wallhas good social benefits and economic benefis. Key words:green construction; walls; PVC;environmental protection 目前,传统的建筑工地围墙多是固定式的砖混质PVC材料中加人偶联剂、稳定剂、抗老化剂、钙 结构,采用砖砌或与水泥柱混砌以及与铁艺构件混粉、颜料等材料,工业化生产,确保了材料的韧性、 砌的形式,这类围墙存在施工速度慢、消耗资源多、可塑性、高抗光性、耐火性以及抗老化性。
[关键词]体育场;钢结构;铸钢节点;质量控制;铸造;焊接 [中图分类号】TU758.16[文献标识码]A[文章编号]1002-8498(2015)08-0037-04 TheKey Technology of CastSteelJointofHangzhou OlympicandInternationalExpoCenter Lao Weizhong',Zhou Guan’gen²,You Guimo² (1.Hangzhou Hi-tech Industry Development Corporation,Hangzhou,Zhejiang 310053,China; 2.Zhejiang Southeast Space Frame Co.,Lid.,Hangzhou,Zhejiang 311209,China) Abstract;Steel structure of Hangzhou Olympic and International Expo Centermain stadium weremadeby spatial pipe truss chords and single-layer reticulated shell,and used a large amount of cast steel joint.In this paper,the design of cast steel joints,key technology such as assembly and welding control were manufacture casting techniques,the quality controllingwasresearched.In cast steeljoint installation, installation location,weldingprocess andqualityinspectionwere analyzed.Engineering practice shows that the study of the key technologies of cast steel joint control ensures the construction quality of cast steel joint. Key words:stadiums; steel structures; cast steel joint;quality control; casting;welding 1工程概况点形式以及加工的可行性,并通过大量的有限元分 杭州奥体博览中心主体育场总建筑面积为析,确保节点设计的安全性。
施工技术 2014年4月下 10 CONSTRUCTION TECHNOLOGY 第43卷第8期 D0I:10.7672/sgjs20140810 杭州奥体博览中心主体育场钢结构罩棚 铸钢节点设计与有限元分析* 虞崇钢,周观根,洪王东,何挺,周俊 (浙江东南网架股份有限公司,浙江杭州311209) [摘要]近几年不断出现的复杂造型的结构体系使结构中构件与构件的连接方式日趋复杂,而节点设计是结构是 否安全可靠的保障,但对于这种多样化与复杂性的节点,规范未能提出明确的计算公式.相比试验研究在具体工 作中受到的多方面限制(比如资金、工期),三维实体技术、有限元分析为这类问题提供了较为简便的解决办法.以 杭州奥体博览中心主体育场为背景介绍了工程中典型铸钢节点的优化设计与有限元分析. [关键词]钢结构;体育场;罩棚;节点;设计:有限元分析 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2014)08-0010-03 Design and Finite Element Analysis for Cast Steel Joints of Main Stadium of Hangzhou Olympic and International Expo Center Yu Chonggang Zhou Guan'gen Hong Wangdong He Ting Zhou Jun (Zhejiang Southeast Space Frame Co. Lud.Hangzhou Zhejiang 311209 China) Abstract:In recent years the emerging plex model structure system makes the connection model of members more and more plex.Joint design guarantees the structure safety and reliability security.But for such plex joints the codes have no explicit formulae.Test and research are limited by some conditions such as cost and construction period in practice engineering.So 3-D model and finite element analysis are effective to solve the problems.In this article the optimization design and finite element analysis for the cast steel joints are introduced based on Hangzhou Olympic Sports Center Stadium project. Key words:steel structures;stadiums;awning;joints;design;finite element analysis 1工程概况 杭州奥体博览中心主体育场为特级特大型体 育场,固定座位达80011席.整个钢罩棚由14组 (28片)主花瓣和13片次花瓣形成的花瓣组构成. 罩棚为空间管桁架与弦支单层网壳钢结构体系构 成的环状花瓣造型,罩棚外边缘南北向长333m 东 西向2...
2014年4月下 施工技术 第43卷第8期 CONSTRUCTION TECHNOLOGY 13 D0I:10.7672/5js2014080013 杭州奥体博览中心主体育场钢结构罩棚 施工关键技术研究* 周观根,郑孝谨,洪王东,朱传先,游桂模,陈峰 (浙江东南网架股份有限公司,浙江杭州311209) [摘要]针对杭州奥体博览中心主体育场钢结构罩棚大悬挑空间管桁架与弦支单层网壳的特点和施工难点,重点 研究了3种安装方法的利与弊,并详细介绍了分段拼装、分段吊装、高空对接、结构合龙、支撑架卸载等关键技术, 对施工全过程进行了模拟仿真分析.结果表明,该技术高效、合理,保证了工程质量和施工安全. [关键词]钢结构;体育场;吊装;结构合龙:有限元分析;卸载 [中图分类号]TU758.11 [文献标识码]A[文章编号]1002-8498(2014)08-0013-04 The Key Construction Technology of the Steel Truss in Main Stadium of Hangzhou Olympic and International Expo Center Zhou Guan'gen Zheng Xiaojin Hong Wangdong Zhu Chuanxian You Guimo Chen Feng Zhejiang Southeast Space Frame Co.Ltd.Hangzhou Zhejiang 311209 China) Abstract:The main stadium of Hangzhou Olympic and International Expo Center is a hybrid steel structures which is posed of large cantilever space pipe truss and single-layer suspended lattice shell structure.Based on the structural characteristics and construction difficulties of the steel structure research on the advantages and disadvantages of three kinds of installation methods for the construction process is focused on.At the same time the key construction technologies and difficulties for the sectional assembling sectional installation high altitude connection closure technology and support frame unloading etc are discussed in detail in this paper.FEA simulation analysis on the whole construction process shows that the construction technology is efficient and rational.As a result the engineering quality and construction safety are ...
2014年4月下 施工技术 第43卷第8期 CONSTRUCTION TECHNOLOGY D0I:10.7672/5j52014080001 杭州奥体博览中心主体育场钢结构施工模拟分析* 周观根,张珈铭12,刘坚2,游桂模,王永梅 (1.浙江东南网架股份有限公司,浙江杭州311209;2.广州大学土木工程学院,广东广州510006) [摘要]杭州奥体博览中心主体育场钢结构罩棚由空间管桁架和弦支网壳组成,具有造型独特、结构形式多样、悬 挑跨度大等特点.通过有限元分析软件ANSYS对比分析了3种结构吊装方案,研究其在考虑路径效应下不同拼 装顺序对结构的变形、受力状况的影响;对基于一次性加载法和考虑路径效应的钢结构支撑架卸载过程进行了对 比分析.分析结果表明考虑路径效应的分析方法与一次性加载法所计算的结构响应有很大不同,前者更接近结构 实际状态,使结构施工过程安全可靠.通过计算分析可以确保空间管桁架的安装精度,保证施工过程的安全性和 经济性. [关键词]钢结构;体育场;数值模拟;有限元分析;卸载 [中图分类号]TU974 [文献标识码]A [文章编号]1002-8498(2014)08-0001-05 Construction Simulation Analysis on Steel Structure for Main Stadium of Hangzhou Olympic and International Expo Center Zhou Guan'gen' Zhang Jiaming.2 Liu Jian2 You Guimo' Wang Yongmei' (1.Zhejiang Southeast Space Frame Co.Lad.Hangzhou Zhejiang 311209 China; 2.School of Civil Engineering Guangzhou Unicersity Guangzhou Guangdong 510006 China) Abstract:The steel-structure awning of Hangzhou Olympic and International Expo Center main stadium is posed of spatial pipe trusses and cable-stayed shells which is featured by unique appearance varied structures and long cantilever span.This paper pares three lifting schemes via ANSYS focusing on the influence of different assembly order in each scheme on the deformation and stress of the structure under certain path effect it also carries out a contrastive analysis of the unloading process of one-time installed steel structure and that under certain path effect.Analysis results show much difference between responses of the structure i...
[关键词】绿色施工;节能;节地;节材;节水;环境保护 [中图分类号】TU712 [文献标识码]A [文章编号】1002-8498(2012)03-0043-04 Green ConstructionTechniqueAdoptedinMajorMediumBasement ofHangzhouOlympicCenter Liu Yutao,Jiang Jinsheng,Li Yang,Hua Xueyan (Zhongtian Construction Group Co.,Lud.,Hangzhou,Zhejiang 310009,China) Abstract:This article summarizes the green construction method adopted in the construction of major medium basement in Hangzhou Olympic Center.Technical measures are taken in order to saving energy, water,material,land and also protecting the environment, the effect is appraisal and assesed.Based n the project and the content of green construction (i.e. energy-saving,water-saving,material-saving, land-saving andenvironment protetion)shouldbe selectively adopted,whichcan truly popularize the green construction. Key words: green construction; energy-saving;land-saving;material-saving; water-saving; environment protection 1工程概况 杭州奥体博览中心主体育场及附属工程项目 位于杭州市滨江区,总建筑面积212310m²,南北向 长305.98m,东西向长为256.76m,为特级大型体育 建筑(见图1)。
施工技术 2016年5月上 32 CONSTRUCTION TECHNOLOGY 第45卷第9期 D01:10.7672/8gjs2016090032 杭州国际博览中心超大型行走式塔式起重机 基础设计分析研究* 程强强1 2.3 (1.中国矿业大学资源与地球科学学院,江苏徐州221116;2.江苏建筑职业技术学院,江苏徐州221116; 3 江苏建筑节能与建造技术协同创新中心,江苏徐州221116) [摘要]杭州国际博览中心工程施工工程量大,吊装难度高,现场采用3类5台大型塔式起重机进行施工.结合该 工程2930km行走式塔式起重机的受力情况及周边环境条件,分析了塔式起重机基础的受力情况,分别从2种 不同工况对支座进行分析,介绍了2930kNm塔式起重机安装工艺流程.从实际效果看,有效地节约了成本,保证了 工程进度. [关键词]安装;塔式起重机;基础;设计 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2016)09-0032-02 Research on Foundation Design of Large Walking-type Tower Crane at Hangzhou International Expo Center Cheng Qiangqiang.2.3 (1.School of Resourees and Geosciences China University of Mining and Technology Xuzhou Jiangsu 221116 China: 2.Jiangsu Vocational Institute of Architectural Technology Xuzhou Jiangsu 221116 China;3.Jiangsu Collaborative Innovation Center for Building Energy Saving and Construction Technology Xuzhou Jiangsu 221116 China) Abstract:Construction of Hangzhou International Expo Center is large and the members hoisting is difficult.Five large cranes for construction are used in worksite.Based on the actual situation of tower crane in this project in Hangzhou the design of2930kNm tower crane foundation is introduced and the force conditions of2930kNm tower crane foundation are analyzed and2930kNm crane bearing is analyzed from two different conditions respectively.In actual effect 2930kNm crane foundation is safe and effective. Key words:installation tower cranes;foundation;design 1工程概况 约1200t 共计5400t. 杭州国际博览中心工程占地面积19万m2 南 城市...
[关键词】钢结构;支撑;施工技术;数值模拟;卸载 [中图分类号]TU311.41;TU758 [文献标识码]A [文章编号】1002-8498(2014)20-0035-04 Construction Simulation Analysis of the Ribbon Supporting StructureofHangzhouInternationalExpo Center XuYiming',Xu Yunlei²,Liu Shihao',Zhang Fuping',Xiang Xingyuan',XuYanhong (1.China Constrution Installtion Enginering Co.,Ld.,Nanjing,Jiangsu 210046,China; 2.Department ofCivilEngineering,Harbin Instiute ofTechnology,Harbin,Heilongjiang150090,China) Abstract:The supporting structures of the Hangzhou International Expo Center are two ribbon arch- structures,which are respectively 231m and 227m in length.With the large scale and extreme plexity,it isnecessary to analyze the stability,displacementand internal force of the structure during the construction.The construction simulation model of the ribbon arch-structure support was built with ANSYS program first. Then the whole construction process of the ribbon arch-structure support was simulated,the response and the displacement of the key points in different construction stages were figured out,and the reasons of the most adverse condition was analyzed.While the overturm resistance ability under wind load was simulated and calculated,to ensure the integral stability during the construction. Key words:steel structures; supports; construction; simulation; unloading 1工程概况 卸载方案对施工过程中结构的稳定性和施工完毕 杭州国际博览中心是杭州奥体博览城的重要后结构的位移、构件的内力等有较大影响。