[关键词]钢结构;施工;应力;监测;数值模拟 [中图分类号]TU745.2【文献标识码】A[文章编号]1002-8498(2016)02-0018-03 StressMonitoringTechnologyofLarge-spanSteelStructure ConstructioninHangzhouInternationalExpoCenter Lin Jindi',Wei Yongbin',Lin Bing',Lin Bo²,Zhou Ke² (1.China State Construction Engineering Co.,Ltd.,Technical Center,Beijing101300,China; 2.China Construction Eighth Engineering Division Co.,Lad,,Shanghai 200135,China)
steel structure were simulated,and the key steel elements were found out,and the monitoring scheme was determined and carried out.The limitation of thekey steel elements was obtained according to the related norms,and it provides judgment basic for the safe of structure. After the smooth construction of the
construction stage,and the results could be an important evaluation index for the structure. Key words:steel structures;construction; stresses;monitoring;simulation
目前,结构在施工过程中事故频发,尤其是钢万㎡²,钢结构总质量约为14万t,钢构件总数量约 结构施工作业,涉及到大构件的吊装、焊接等。
[关键词]火车站;不锈钢幕墙;温度效应;时程曲线;龙骨 [中图分类号】TU767 【文献标识码]A [文章编号]1002-8498(2013)15-0044-05 Research on Temperature Effectof Large-scale Seamless HyperboloidStainlessSteelCurtainWallStructureSystem on Hangzhou East Railway Station Lei Ke',Jia Bin',Yang Bin',Yang Zonglin²,Zhang Qilin', Chen Deyi² (1.College of Civil Engineering,TongjiUnivesity,Shanghai 200092,China; 2.The Architectural Design&Research Institute of Tongji University,Shanghai 200092,China; 3.Jianghe Chuangjian Group Co.,Ltd.,Beijing 201601, China) Abstract:The large-scale seamless hyperboloid stainless steel (SHSS) curtain wall structure system is adopted for envelop of steel structure column on Hangzhou East Railway Station. The strain of SHSS curtain walltemplate system on construction site is measured in spring and autumn, and its stress and internal force caused by temperature difference is researched. The finite element software ANSYS is employed to establish the model of SHSS curtain wall template system including stainless steel panel,keel and main structure steel column for which the stress, internal force and deformation under the condition of actual measurement temperature difference are calculated. Test research together with the simulation method shows that the measurements stress of stainless steel panel is slightly lager than the calculated results,but thekeel axialforces are closer and the temperature effect changing trend ofmeasuring poin...
[关键词]安装工程;玻璃幕墙;控制;预警系统;措施 [中图分类号】TU382[文献标识码]A[文章编号]1002-8498(2016)03-0096-05 Study onEarly-warningMechanism ofRisk of Existing Glass Curtain Walls Li Qian,Du Shaoying (School of Management,Xi'an Universty of Architeture and Technology,Xi'an,Shaanxi 710055,China) Abstract:The early-warning mechanism of risk is introduced for the reduction of the safety accident of existing glass curtain walls. Firstly, the risks in the existing glass curtain walls are checked and measured,and the risk types and testing ways is clearly. Secondly, on the basis of analyzing the factors affecting the safely use of glass curtain walls,a risk early-warning index system of existing glass curtain walls,establish the risk early-warning standards and response plans,then an example is used to verify its applicability. Finally, it puts forward some safeguard measures to promote the sucessful implementation of the safety risk early-warning mechanism of existing glass curtain wall. Key words;installation;glass curtain walls; control; alarm systems;measures 0引言原则,对既有玻璃幕墙安全评估和预警机制进行系 玻璃幕墙作为一种新兴的现代建筑装饰技术统研究,并结合工程实例分析其适用性,通过保障 近年来得到迅猛发展。
[关键词】既有建筑;绿色改造;科研项目;评价标准;案例 [中图分类号】TU201.5 【文献标识码】A :[文章编号】1002-8498(2014)10-0004-06 ScientificResearch,Standardsand CaseStudiesof GreenRetrofittingofExistingBuildings Wang Jun'.2 (1.China Academy of Building Research,Beijing 100013,China; 2.Beijing International Collaboration Base on Green Building,Beijing100013,China) Abstract;Green retrofitting is a very effective way to decrease the energy consumption and improve environment problems of existing building.In this paper,the current scientific research of green retrofitting of the existing building is bed firstly. Secondly, the relative standards and codes of for existing building green retrofitting are concluded,and the main works of national standard of Standard for green performance assessment of existing building retrofitting (draft for soliciting opinions had been released)are emphatically introduced.The green building labeling projects obtained by existing building retrofitting are discussed and analyzed by four aspects of projects number,star level distribution,building type and benefits. Four typical cases are introduced briefly at last. Key words;existing building; green retrofiting; scientific research projects;assessment standard; case 0引言 建筑进行绿色化改造,同时制定有效的标准规范和 我国既有建筑面积已达500多亿m²,由于建造 推广机制是解决我国非绿色“存量”建筑的最好途 标准和年代不同,这些既有建筑的环境性和节能性 径之一。
2012年5月上 施工技术 第41卷第364期 CONSTRUCTION TECHNOLOCY 57 既有建筑综合纠倾法设计与施工 王建平,朱思响,李品先 (西安建筑科技大学土木工程学院,陕面西安710055) 【摘要]通过某7层住宅楼的加固纠偏工程实践,综合应用钢筋混凝土托换桩加固和掏土浸水纠偏方法来对倾斜 的房屋进行纠偏.在纠偏过程中,对上部结构裂缝和地基沉降进行了观测,发现该住宅楼经处理后,倾斜量由最大 的125mm减小到10mm 最终倾斜率为0.39%,符合国家规范要求. [关健铜]加周:托换桩:房屋纠偏:浅层指土法:浸水法 [中图分类号]TU746.3 [文献标识码]A【文章编号]1002-8498(2012)09-005703 Design and Construction of Integrated Deviation Correction of Existing Building Wang Jianping Zhu Sixiang Li Pinxian (School of Civil Engineering Xi'an University of Architecture and Technology Xi'an Shaanxi 710055 China) Abstract:According to a 7-story residential building reinforcement correcting engineering prehensive application of reinforced concrete underpinning pile and dig soil soaking method of correcting is adopted. In the correction process the superstructure cracks and foundation settlement are monitored.The monitoring result shows that the deviation amount is reduced from the maximum of125mmto10mm the deviation ratio is about 0.39% which satisfies the requirement of national code. Key words:strengthening:underpinning piles;building deviation correction the method of drawing out earth;the method of soaking in water 近年来,由于地基处理不当或房屋使用等过程室.基础形式为钢筋混凝土条形基础,基底埋深 中的不合理因素造成地基不均匀沉降进而导致既 -2.75m.地基处理采用整片3:7灰土换填法,换 有建筑倾斜的事故不少.特别是我国西北部处于填厚度为2000mm.该楼主体完工后,发生不均匀 湿陷性黄土地区,常因排水不畅、地下管网渗水等沉降,整体倾斜,建筑物平面布置如图1所示.为查 原因造成地基不均匀下沉,使既有建筑倾斜.本文 明楼房倾斜现状,建设单位于2010-08-15对该楼倾 结合工程实例,研究了托换桩加固与掏土浸水综合 斜量进行了现场测量,结果如表1所示. 纠倾法在实际工程中的应用. 6 对建筑物的纠偏,常用方法主要有迫降法和顶 升法.迫降法就是人为增大建筑物沉降小的一侧...
2013年12月下 施工技术 第42卷第24期 CONSTRUCTION TECHNOLOGY D0I:10.7672/sgjs2013240009 既有建筑幕墙安全性检测及评价的研究现状与发展 刘军进,李建辉,丁磊,宋忠文 (中国建筑科学研究院,北京100013) [摘要]幕墙是一种广泛应用于建筑中的外围护结构体系,对长期使用或出现安全隐患的既有建筑幕墙进行安全 性检测与评价具有重要意义.从既有建筑幕墙安全性检测的内容及方法、抽样数量、评价体系和方法3个方面总 结了国内外关于既有建筑幕墙安全性检测及评价的最新研究成果,分析了研究中存在的不足,探讨了今后研究中 需要解决的若干关健问题. [关键词]幕墙;安全;检测;评价 [中图分类号]TU228 [文献标识码]A [文章编号]1002-8498(2013)24-0009-06 Research and Development in Safe Inspection and Evaluation for Existing Building Curtain Walls Liu Junjin Li Jianhui Ding Lei Song Zhongwen China Academy of Building Research Beijing 100013 China) Abstract:The curtain wall is a widely used in exterior building enclosure.The application ideas of safety inspection and evaluation for existing building curtain walls with a long time usage or potential safety hazard are presented.The newest results at home and abroad are summarized in three aspects including contents and methods of safety inspection sampling numbers and evaluation system and method and the defects in current research are analyzed.Finally several key issues in the future are discussed. Key words:curtain walls;safety;inspection;evaluation 建筑幕墙作为建筑外围护结构或装饰结构,长出,亟待解决. 期承受重力荷载、风荷载、温度作用及多种环境侵 鉴于以上情况,探讨针对既有建筑幕墙的安全 蚀作用.随着时间的推移,设计和施工缺陷、材料性检测鉴定方法和手段是一个十分严峻和紧迫的 磨损、腐蚀和老化等各类隐患在幕墙工程上均有不 问题.尽管我国已有《民用建筑可靠性鉴定标准》 同程度的显露,小到雨水渗漏、材料腐蚀影响装饰 GB50292一1999、《工程结构可靠性设计统一标准》 效果等,大到面板开裂、坠落或骨架破坏等质量安 GB50153一2008,但因建筑幕墙自身特殊性,上述两 全事故;并且不同程度地造成财产损失、人身伤害 本标准的适用性不强.因此,很有必要建立一整套 和社会影响.既有建筑幕墙正常设计使用周期通针对既有幕墙的安全性检测方法和评价体系.目 常定为25年,因此,20世纪八九十年...
2016年11月下 施工技术 第45卷第22期 CONSTRUCTION TECHNOLOGY 81 D0I:10.7672/5j52016220081 既有工业建筑绿色化改造方案综合评价研究* 李晓丹,杨灏,郑泽民 (中国矿业大学(北京)力学与建筑工程学院,北京100083) [摘要]绿色化改造方案在建筑能耗控制上具有先导作用,直接决定建筑最终能量消耗.实施绿色化改造是既有 工业建筑再利用未来发展趋势.对比传统既有工业建筑改造评价体系,根据专家意见从方案可实施性、方案价值 性能指标以及方案环境性能指标等方面建立绿色化改造评价体系,运用AHP层次分析法确定评价权重,量化评价 模型.最后以百年老矿—河北省邯郸市峰峰矿区机械厂改造设计方案选择为例,验证建立的评价体系,为实施 既有工业建筑改造方案设计成果的绿色定量评价提供可靠依据. [关键词]改造:绿色设计;工业建筑;再利用;层次分析法(AHP):研究 [中图分类号]TU201.5 [文献标识码]A [文章编号]1002-8498(2016)22-0081-07 Evaluation on the Green Design of Reusing Industrial Buildings Li Xiaodan Yang Hao Zheng Zemin School of Mechanics and Architecture Engineering China Unirersity of Mining and Technology Beijing Beijing 100083 China) Abstract:Green plan plays a preceding role in controlling building's energy consumption.It is green reuse plan that directly determining the final energy consumption in reuse old industrial buildings.Thus the application of green design principles on reusing industrial buildings is obviously here to stay. Through detailed parison of traditional evaluation system in reforming industrial buildings this paper establishes green evaluation system of reforming industrial buildings.The analytic hierarchy process methodology of Saaty was applied to construct the evaluation system.Through definition weights quantification experts'suggestion this system provides a reliable approach on assessing the green design effect of reusing industrial buildings.One reuse machinery plant example in Fengfeng mining district which ...
施工技术 2012年11月上 100 CONSTRUCTION TECHNOLOGY 第41卷第376期 恒山水库喷涂纯聚脲抗渗新技术 黄微波,向佳瑜,胡晓,谢远伟 (青岛理工大学功能材料研究所,山东青岛266033) [摘要]首先介绍了恒山水库坝体纯聚脲抗渗防护的工程背景,详细探讨了上游坝面基材处理施工工艺,重点阐述 了喷涂纯聚脲施工工艺,最后全面总结了恒山水库纯聚防护工程所遇到的技术难题并探讨了解决的办法.工程 实践表明,恒山水库大坝喷涂纯聚脲防护工程是我国新时期在役水利大坝除险加固的一项创造性突破,技术优势 明显,将喷涂纯聚脲技术应用于水利大坝的防护,能有效确保水利大坝的长期安全运行. [关键词]水库;防水;喷涂聚脲;抗渗;防护;施工工艺 [中图分类号]TU746.3 [文献标识码]A [文章编号]1002-8498(2012)21-0100-03 New Technology of Sprayed Pure Polyurea for Anti-permeability in Hengshan Reservoir Huang Weibo Xiang Jiayu Hu Xiao Xie Yuanwei (Research Institute of Functional Materials Qingdao Technological University Qingdao Shandong 266033 China) Abstract:The authors firstly introduce the background of Hengshan Reservior protection with sprayed pure polyurea and then elaborate the substrate processing method of upstream dam.After that the construction technology of spraying pure polyurea is highlighted.At last problems during construction are summarized and solutions to the problems are discussed.Engineering practice shows that application of sprayed pure polyurea in protection of Hengshan Reservoir dam makes a creative breakthrough in terms of hydraulic structure reinforcement and takes great advantage over traditional technologies.The technology of applying sprayed pure polyurea in hydraulic dam's protection to ensure their long time safety has great practical significance. Key words:reservoirs;waterproofing;spray polyurea;anti-permeability;protection;construction 新形势下水利基础设施建设不仅关系到防洪、146.2m 坝址为石灰岩.大坝混凝土在服役40年...
[关键词】装饰装修;陶板幕墙;干挂;工艺原理;施工技术 [中图分类号]TU767.6 [文献标识码]A [文章编号]1002-8498(2015)09-0024-06 AdjustableShortCantileverBeam-freeDryHangingConstruction Technology of Ceramic Plate CurtainWall Lu Zhaogai (Shandong Ningjian Construction Group Co.,Lud.,Ji'ning,Shandong 272015,China) Abstract:The dry hanging arc ceramic plate curtain wall has large construction area,strict quality requirement and building requirements of radianand other unfavorable factors.This paperresearched and developed the arc adjustable short cantilever beam-free dry hanging construction technology of ceramic plate curtain wall.The features,construction principleand process of the curtain wallare introduced,as well as the operation keys.Practice proved that this technology successfully solved many quality problems in construction,and achieved good economic and social benefits. Key words;decoration; ceramic plate curtain wall;dry hanging;principle;construction 0引言 要求。
施工技术 2010年1月 108 CONSTRUCTION TECHNOLOGY 第39卷第1期 建设工程合同管理风险防范与控制 陈慧超 (中国建筑一局(集团)有限公司,北京100161) [摘要]实施合同管理风险防范与控制是降低经营风险、提高经济效益、增强竟争力的关键环节,需要在合同管理 的全过程进行风险防范与控制.分析了在市场经济条件下合同管理风险的主要表现形式、合同管理风险的成因和 实施合同管理风险防范与控制的措施.指出加强合同管理风险的分析预测和研究,建立健全合同管现风险防范与 控制体系,是降低风险、提高经济效益的有效途径. [关键词]建设工程;合同管理;风险防范;控制方法;体系建设 [中图分类号]TU-923 [文献标识码]A[文章编号]1002-8498(2010)01-0108-03 Prevention and Control of Contract Management Risks in Building Engineering Chen Huichao China Construction First Building Group)Co. Ld.Beijing 100161 China) Abstract:Contract management risks prevention and control are key links in reducing operation risk improving economy benefit and enhancing petitiveness so it is necessary in the whole contract management process.The author analyzes main manifestation causes and control measures of contract management risks.It is proposed that enhancing analysis forecasting and research of contract risks management and establishing prevention and control system are effective ways for reducing the risks and improving economy benefits. Key words:building engineering;contract management;risk prevention;control method;system establishment 在市场经济条件下,我国合同主体的综合竞争实分为可控风险和不可控风险.可控风险是在合同管理 力和管理水平与国际先进管理模式相比差距较大,特过程中,通过实施规范化的流程管理,进行信用风险评 别是在合同管理的风险防范与控制方面更有待进一步价、履约风险评估、合同争议解决、合同解除管理等,最 提高.外界客观环境因素、合同管理体系不健全、人员大限度地规避或降低风险.不可控风险是指由于受宏 素质较低、抗风险能力较差等诸多因素的影响都可能观经济环境、政治政策、法律以及自然灾害事故等因 导致合同管理的风险.因此,加强合同风险评估、研究 素影响,造成合同不能正常签订、履行. 防范控制措施、健全制度机制,切实提高抗风险能力,1.2内部管理风险和外部环境风险 以确保合同主体健康发展显得尤为重要. 按照风险防范控制的范围划分,合同管理...
施工技术2012年7月上 112CONSTRUCTIONTECHNOLOCY第41卷第368期
建立甲(A)类脚手架结构工程设计计算体系的 技术路线及有关问题初析(4)
杜荣军 (北京中建建筑科学技术研究院,北京100076) [中图分类号]TU731.2[文献标识码]A[文章编号]1002-8498(2012)13-0112-10 Establishment of Technical Routefor ClassAScaffoldDesign or Calculation System and the Analysis of CorrespondingQuestions(4) Du Rongjun (Beijing Building Research Institate Co. ,Lad. of CSCEC,Bejing 100076,China) 3甲(A)类架体节点半刚性调整系数的测定方法长度系数μ的取值时,对节点交汇横杆线刚度的调 与试验设计整系数。
[关键词]公路工程;废尼龙丝;沥青;性能;机理 [中图分类号】U416.217 【文献标识码]A [文章编号〕1002-8498(2015)24-0067-05 Improving the Performance of Asphalt Mixture by AdditionofWasteNylonFiber Yin Jiming,Lu Fanren,Wang Chao (School of Civil Engineering,Yangzhou Polytechnic College,Yangzhou,Jiangsu 225009,China) Abstract:Adding waste nylon fiber into asphalt mixture directly is an effective way for recycling of waste nylon fiber used as road construction materials.The testmethod was used to investigate the physical and mechanical properties of waste nylon fiber, the road performances and also the reinforcing mechanism of asphalt mixture reinforced by waste nylon fiber is studied. The test results indicate that waste nylon fiber can effctivelymprove thehightemperature stabilitylowtmperature crackresistanceandwater stability of asphalt mixture; the oil absorption,adhesion and the retarding effect of nylon fiber on the crack propagation of asphalt mixture are atributed to the reinforcing mechanism. Key words:road construction; waste nylon fiber; asphalt; properties; mechanisms 借鉴高抗拉强度、高模量增强纤维应用于水泥大关注。
施工技术 2012年9月下 78 CONSTRUCTION TECHNOLOGY 第41卷第373期 广州西塔四季酒店70层接待大堂三向弧形 切割地面异形石材铺贴技术 王波,郑春 (中建三局装饰有限公司,北京100070) [摘要]以广州西塔四季酒店精装饰工程项目为依托,详细介绍了层接待大堂三向弧形切割地面异形石材铺贴 的施工技术难点以及解决措施;通过计算机模拟排版和工厂实地预排版控制石材色差及对纹,通过计算机控制水 刀切割确保石材切割精度,合理设置控制线和控制点防止累积误差,严格铺贴顺序和方法控制石材的铺贴质量,取 得了良好的装饰效果. [关键词]高层建筑;装饰装修;石材铺贴;测量;色差控制 [中图分类号]TU767.4 [文献标识码]A [文章编号]1002-8498(2012)18-0078-03 Paving Technology of Cutting Three-direction Arc Shaped Ground Stone for Reception Hall of Four Seasons Hotel at Floor 70 of Guangzhou West Tower Wang Bo Zheng Chun Decoration Company of China Construction 3rd Engineering Bureau Beijing 100070 China) Abstract:Based on decorating project of four seasons hotel in Guangzhou west tower the construction difficulties and solution of cutting three-direction are shaped ground stone for reception hall at floor 70 are introduced.Good decoration effect is gained by a series of measures such as controlling stones color difference and pattern through simulation typesetting and pre-typesetting at factory ensuring cutting precision by puter-controlling water cutter avoiding cumulative errors by reasonably setting control lines and points as well as strictly controlling paving process and methods. Key words:tall buildings;decoration;stone paving;surveying;color difference controlling 1工程概况 地面已于前期铺贴完毕,因此与大堂中心区大面积 广州西塔四季酒店是国内目前最高的酒店,也 未铺贴部分石材间的色差平稳过渡控制和分缝平 是国内最著名的超五星级酒店.酒店位于广州西 顺连接变得更有难度. 塔70~101层,位于70层的酒店接待大堂选用进口 2)不规则图案导致分块不规则,石材切割及铺 的雪花白石材地面,铺贴面积约1300m2 该石材底 贴控制难度大 色白、防水及耐污性好(见图1). 大堂以楼层...
[关键词]广州花都体育馆:预应力钢结构;环向桁架;张拉;卸载;预应力补偿 [中图分类号】TU745.2;TU758.11 [文献标识码]A [文章编号]1002-8498(2011)15-0013-04 ConstructionTechnologyofSteelWireBundlePrestressedSteel StructureinRingTrussPipein GuangzhouHuaduStadium Liu Zhiqiang (Guangzhou 3rd Construction Engineering Co.,Ld.,Guangzhou,Guangdong 510050,China) Abstract:The roof of Guangzhou Huadu Stadium firstly adopts the new construction technology of steel s e u qsd s s s psd q detail the engineering characteristics and construction difficult problems and installation process of the roof. The author also shows the key construction points of prestressed tension cable including tension construction procedure,tension rules, determination of tension force and the attention items for tension. The monitoring for cable force and key joint's displacement during its construction is done.The prestress loss problem is solved by prestress pensation mechanism. Key words; Guangzhou Huadu Stadium; prestressed steel structure; ring truss; tension;unloading; prestress pensation 1工程概况 果如图1所示。
2010年11月 施工技术 第39卷第11期 CONSTRUCTION TECHNOLOGY 11 广州珠江新城西塔钢结构残余应力消除方法 汪永胜,顾国荣2,党保卫1 (1.中建钢构有限公司,广东深圳518100;2.中国建筑第三工程局有限公司,湖北武汉430070) [摘要]广州珠江新城西塔工程采用筒中筒结构,钢结构用钢量很大.钢管在卷制、压制和焊接过程中会产生残余 应力.消除残余应力对结构质量控制尤为重要,介绍了构件VR消应工艺和直管振动时效工艺,以及对被处理构 件提出的技术要求.叙述了钢管和节点采用VR时效振动法的技术参数以及局部控制加热法的具体实施过程及 其效果.提高了结构的整体承载力,增强了结构的安全性. [关键词]残余应力;消除方法;VSR;局部控制加热法 [中图分类号]TU392.3 [文献标识码]A [文章编号]1002-8498(2010)11-0011-03 Eliminating Residual Stress Method of Steel Structure in Guangzhou Pearl River New Town West-tower Wang Yongsheng' Gu Guorong Dang Baowei (1.China Construction Steel Structure Co.Ltd. Shenzhen Guangdong 518100 China; 2.China Construction Third Engineering Bureau Co.Ltd.Wuhan Hubei 430070 China) Abstract:Guangzhou Pear River New Town West-tower is a tube-in-tube structure whose steel structures need lots of steel.During the reeling pressing and welding of steel pipes residual stress is generated so eliminating residual stress is important for structure quality.The eliminating residual stress method of vibratory stress relief and straight pipe vibratory stress relief are introduced technology requirement of treated ponents is also described.The technical parameters of steel pipes and nodes vibratory stress relief the implementation process and effect of loeal control heat treatment method are put forward.The eliminationg method can imporve structures total bearing capacity and also enhance safety of the structure. Key words:residual stress;eliminating method;vibratory stress relief;local...
施工技术 2011年1月 64 CONSTRUCTION TECHNOLOGY 第40卷第1期 广州珠江新城西塔施工过程中外框筒 X节点应力分析 杨德龙,向小英,顾国荣2 (1.广州市建筑集团有限公司,广东广州510030;2.中国建筑第三工程局有限公司,期北武汉430070) [摘要]广州珠江新城西塔外框筒为巨型斜交网格体系,该结构体系中空间相贯节点的实际力学响应特征对整 个体系的承载能力尤为重要.为保证施工安全,从数值模拟及现场施工监测两方面对西塔结构施工过程中的节 点受力情况进行分析,结果表明,广州珠江新城西塔所采用的新型节点在施工时处于弹性阶段,节点构造合 理,应力空间较大. [关键词]钢管混凝土;斜交网格;节点;数值模拟;施工监测 [中图分类号]TU392.3 【文献标识码]A [文章编号]1002-8498(2011)01-0064-03 Stress Analysis on X Node of Outer Tube in Guangzhou Pearl River New Town West-tower Construction Process Yang Delong' Xiang Xiaoying' Gu Guorong? (1.Guangahou Municipal Construction Group Co.Ld.Guangzhou Guangdong 510030 Chinat 2.China Construction Third Engineering Bureau Co.Ld.Wuhan Hubei 430070 China) Abstract:Mega crossing lattice system posed of concrete filled steel tubes is used in outer tube of Guangzhou Pearl River New Town West-tower and the actual mechanical response characteristics of intersecting X node is very important to the capacity of this structural system.Numerical simulation and on-site construction of X node monitoring stress are analyzed.The results show that X node is in elastic stage during construction X node structure is reasonable and the stress space is enough. Key words:concrete filled steel tube;oblique crossing lattice;X node;numerical simulation; construction monitoring 1工程概况 广州珠江新城西塔总高432m 其外框筒采用钢 管混凝土巨型斜交网格体系,整个结构体系共有17 个斜交节点段,在结构设计过程中,节点段采用了一 种新型X节点形式,其构造特点为整体节点呈X 形,节点4个支管通过中间相贯节点椭圆拉板连接, 沿分支钢管轴心相交节点外侧分布3层带牛腿的加 强环板.具体外形如图1所示.为保证施工过程中 图1西塔X节点示意 的建造安全,拟从数值模拟及现场施工监测两...
[关键词】钢结构;水隐舞台;钢格栅;安装;施工技术 [中图分类号]TU758.11 [文献标识码】A [文章编号】1002-8498(2012)15-0032-03 HaixinshaStadium in Guangzhou Huang Dongyang',Ding Changyin',Cai Jian²,Li Ding' (1.Guangzhou Jishi Construction Group Co.,Lad.,Guangzhou,Guangdong 510115,China; 2.Department of Ciuil Engineering,South China Unicersityof Technology,Guangzhou,Guangdong 510640,China) Abstract;At the closing ceremony of the 16th Guangzhou Asian Game, the main stage was a large area immerged water stage. This stage is the largest in China, which imposes a high demand to its quality, technique and innovation.According to the design requirement and site condition,a water immerged steel grid was set in the Haixinsha stadium. Studies were performed on the key technologies for steel grid unit and large water control device and this paper presented the results. The research helped to overe the construction difficulties and achieved good result. Key words:steel structures; immerged water stage; steel grid unit; installation; construction 海心沙体育场作为广州亚运会开、闭幕式之骨、钢格栅板、大型机械放水装置、水下LED彩珠组 地,为实现表演艺术的需求,建造了一个总面积达成,总面积5600m²,舞台承载力设计值为30kN/m², 5600m²的水隐舞台。
施工技术 2010年2月 18 CONSTRUCTION TECHNOLOGY 第39卷第2期 广州歌剧院支撑胎架同步分级卸载技术 戴立先,邻国雄,陈龙章,孟祥冲 (中建钢构有限公司,广东深圳518040) 【摘要]广州歌剧院钢结构工程为空间组合折板式三向斜交网格结构.结构面主梁交接处果用铸钢节点,安装过 程中需搭设临时支撑胎架.通过ANSYS进行卸载工况分析,实施过程中严格布设传感器,进行同步监测,保证结 构安全.结果表明,为减少施工过程对网格整体结构变形的影响,待整体安装完毕后,对支撑胎架进行卸除.卸除 方法采用分区同步分级卸载的方法. [关键调]广州歌剧院:同步分级:支撑胎架;监测 [中图分类号]TU745.2[文献标识码]A[文章编号]1002-8498(2010)02-0018-03 Unloading Technology of Supporting Jig with Synchronous Division Classification in Guangzhou Opera House Dai Lixian Kuai Guoxiong Chen Longzhang Meng Xiangchong China Construction Steel Structure Corporation Shenzhen Guangdong 518040 China) Abstract:Space-plate bination of three-fold bias grids is adopted in Guangzhou Opera House.The cast steel joints are selected in structural surface junction with the main beam.Thus temporary supporting jigs are built during the process of installation.Unloading is analyzed by the means of ANSYS software.The sensors are strictly laid to monitor the structure which can ensure the safety.The results show that supporting jigs are unloaded after the whole installation as to decrease effects on the whole deformation during the process of construction by selecting the unloading method of synchronous division classification. Key words:Guangzhou Opera House;synchronous classification;supporting jig;monitoring 1工程概况 节点 广州歌剧院采用“圆润双砾”的设计理念,造型新 二墨 颖、结构独特,由大剧场和多功能厅组成.大剧场平面 投影尺寸127mx125m 高43m 多功能厅平面投影尺 寸87.6m×86.7m 高22m. 主体外围护钢结构采用空间组合折板式三向斜交 图1广州歌剧院钢结构 网格结构,由103个结构面组成.箱形主梁最大截面 Fig.I Guangzhou Opera House ...