[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 ...
施工技术 2010年9月 50 CONSTRUCTION TECHNOLOGY 第39卷第9期 广州某矩形隧道下穿既有隧道设计与施工 王世君,叶雅图 (广州地铁设计研究院有限公司,广东广州510010) [摘盈]广州市珠江新城核心区市政立通项目旅客自动输送系统中央广场站一市民广场站向隧道下穿既有金稳 路随道,下穿经采用矿山法施工.本道下穿既有陋送,高道之向竖向无土:卫有陋道设有抗浮程 杆,新建腿道也需考总本身抗浮.综合考总,创性采用短形直随.洱细介绍了矿山法矩形腿道下穿脱有市 政随道的设计参数及关键施工技术.实践证明,施工过程时既有随道就动较小,取得良好的社会和轻清故益. [关键词]腿道工程:矿山法:短形腿道:下穿:设计:施工技术 [中分类号]U455.41 [支献柱识码]A [支章编每]1002-8498(2010)09-0050-04 Design and Construction of Rectangular Tunnel Under-crossing Existing Tunnel in Guangzhou Wang Shijun Ye Yatu Guangzhou Metro Design Research Institute Co. Lid.Guangzhou Guangdong 510010 China) Abstract:Mining method is adopted in the under-crossing segment between Central Square Station and Civil Station in the automatic people moving system of municipal traffic project in core district of Zhujiang New Town in Guangzhou.And the tunnel under-crosses the existing Jinsui Road Tunnel without soil at vertical direction between the two tunnel lines.Furthermore anti-floating anchors are set under the existing tunnel and anti-floating problem should be considered during the new tunnel construetion.Thus the new tunnel is designed as rectangular section.Design parameters and key construction technologies are introduced.It proves that the construction process has allowable influence on the existing tunnel and good social and economical benefits can be gained. Key words:tunnel engineering:mining method:rectangular tunnel:under-crossing:design: construction technology 1工程概况 为中砂、粗砂、乐石,级配不均,分布不均匀,含轻多粉、 广州市珠江新城旅客自动输送系统中央广场...
施工技术 2010年8月 144 CONSTRUCTION TECHNOLOGY 第39卷第8期 广州天建花园空中连体结构整体提升技术 袁鹅程,蒋礼,邻国雄,王鹃,汪永胜,朱红兵 (中建钢构有限公司,广东深圳518040) 【摘要]广州天建花园B-1栋与B-2栋为双塔连体结构,包括钢桁架连体结构和空中游泳池结构两部分.根据结构 特点及施工场地情况,采用液压同步整体提升技术,选取主楼框架柱作为提升吊点.钢桁架连体结构提升就位后, 为避免其对钢绞线的影响,提升上吊点设计成双牛腿式,并在双牛腿上方设置短滑移梁.重点介绍了提升平台、支 架、错点设计、工艺原理以及施工工艺.并对提升支架进行验算,结果表明各构件强度、整体与局部稳定性均满足 要求. [关键词]连体结构;钢桁架;液压同步提升;施工工艺 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2010)08-0144-04 Integral Lifting Technology for Air Connection Structure of Guangzhou Tianjian Garden Yuan Pengcheng Jiang Li Kuai Guoxiong Wang Juan Wang Yongsheng Zhu Hongbing China Construction Steel Structure Co. Ltd.Shenzhen Guangdong 518040 China) Abstract:B-1 and B-2 buildings in Guangzhou Tianjian Garden are two-tower connection structure which include steel truss connection structure and air swimming structure.According to structural characteristics and condition on site integral hydraulic synchronous lifting technology is adopted and it chooses frame column of main building as lifting points.After location of steel truss connection structure in order to avoid influence on steel strand upper lifting point is designed as double bracket type on which short sliding beam is set.The design principle and construction technology of lifting platform stent and anchorage point are introduced in detail.And the lifting stent is checked the results show that the strength integral and local stability of ponents can meet requirements. Key words:connection structure;steel truss;hydraulic synchron...
施工技术 2011年4月下 42 CONSTRUCTION TECHNOLOGY 第40卷第339期 广州亚运舞美工程风帆项目设计与施工 张志强,刘小宝,周系华,姚群毛 (中十冶集团有限公司,陕西西安710043) [摘要]第16届亚运会开、闭幕式“亚运之舟”海心沙岛舞美工程风帆项目位于观礼台正前方.风帆装置主体结构 采用圆柱架及圆钢管空间析架体系,稳定性好、质量轻,可有效减轻风力影响.每组风帆的枪杆装置有升降机构, 升降机构中安装拉力传感器、转速传感器、风力传感器等设备,使用风帆自动控制系统进行控制,从而保证帆板平 稳、同步匀速和安全升降,同时实现各LED屏幕工作同步、连续. [关键词]亚运会;舞美工程;风帆项目;枪杆装置;升降机构 [中图分类号]TU318.2;TU758 1 [文献标识码]A [文章编号]1002-8498(2011)08-0042-03 Design and Construction of Sail Project in Dance Stage Design Engineering of Guangzhou Asian Games Zhang Zhiqiang Liu Xiaobao Zhou Xihua Yao Qunmao China Tenth Metallurgy Group Co.Ltd.Xi'an Shaanxi 710043 China) Abstract:The sail project of dance stage design engineering for Haixinsha Island is located at the front of reviewing stand for opening and closing ceremony of the 16th Asian Games.The main structure for sail project applies spatial truss system with circular column stent and circular steel tube which has excellent stability and light weight to reduce wind influence effectively.The mast device for every sail structure includes elevating system the tensioning sensor rotational sensor and wind sensor are installed in the project which are controlled by automatic control system.This system can assure sailboard smooth and assure elevation synchronous uniform and safe meanwhile it can make LED screen synchronous and continuous for working. Key words:Asian Games;dance stage design engineering;sail project;mast device;elevating structure 1工程概况 第16届亚运会开、闭幕式“亚运之舟”海心沙 岛舞美工程中的风帆项目总体由4组风帆装置组 成,位于观礼台正前...
[关键词】脚手架;扣件式脚手架;侧移;有限元分析;模板;模拟 [中图分类号]TU731.2[文献标识码】A[文章编号】1002-8498(2013)17-0026-04 Capacity Analysis of Lateral Displacement Resistance and Finite Element SimulationAboutFastenerScaffold inPZB1401Project Li Xuejin',Tong Huawei',Mi Xiang² (1.Schoolof Civil Engineering,Guangzhou University,Guangzhou,Guangdong510006,China; 2.China Ouerseas(Shenzhen)Construction Co.,Lad.,Shenzhen,Guangdong 518057,China) Abstract:The authors use finite element software MIDAS/Gen to establish overall calculation model on right angle fastener scaffold which is semi-rigid connected,calculate and analyze the lateral displacement under the horizontal force,use existing test results to validate the rationality of the calculation model.The related conclusion can be applied to the design of inclined column formwork which is supported by full hall scaffold, and can be used in subsequent study and application. Key words: scafolds; fastener scaffolds; lateral displacement; finite element analysis; formwork; simulation 随着高大异形外倾斜结构的增加,施工过程中向杆件由扣件连接起来的多层多跨空间结构体系, 的脚手架承载工况越来越复杂。
2013年9月上 施工技术 第42卷第17期 CONSTRUCTION TECHNOLOGY 11 D01:10.7672/sgjs2013170011 广州PZB1401项目大悬挑钢结构仿真分析与施工 卜晓侠,徐恺,王翔字 (深圳中海建筑有限公司,广东深圳518057) [摘要]广州PZB1401项目塔楼东、西两侧采用大悬挑钢结构实现整个建筑在空间上层次变幻的设计意图.采用 MIDAS/Gen软件按照拟定的安装方案及施工工艺对悬挑结构进行了施工模拟分析,根据分析结果最终确定了钢结 构安装顺序并对预高抛值提供了理论依据,有效保证了施工阶段的安全和施工质量. [关键词]钢结构;大悬挑;仿真;安装;施工技术 [中图分类号]TU391 [文献标识码]A [文章编号]1002-8498(2013)17-0011-03 Simulation Analysis and Construction of Large Cantilever Steel Structure in Guangzhou PZB1401 Project Bu Xiaoxia Xu Kai Wang Xiangyu (China Overseas(Shenzhen)Construction Co. Ld. Shenthen Guangdong 518057 China) Abstract:Large cantilever steel structure on both east and west sides is adopted in Guangzhou PZB1401 project which realizes the design intent upon the variety and gradation of architecture space.To ensure the feasibility of the construction method prior to the installation of the large steel structures puter simulation analysis using software MIDAS/Gen is adopted according to the construction method for the large cantilever steel structure which provides the theoretic basis and helps in determining the installation sequence of steel structure and pre-raising height for deflection ensures the safety and construction quality. Key words:steel structures;large cantilever;simulation;installation;construction 近年来我国建筑设计越来越新颖,其结构体系 荷载和结构迅速变化时则考虑结构本身重要参数 形式日趋复杂,以空间钢结构为主形成的大跨度、 对结构影响的理论,如航天器运动过程的研究. 大空间结构在工程结构设计中的应用越来越多. 2)慢速时变结构当结构随时间缓慢变化时, 随着电算化的不断发展和建筑科技水平的不 采用离散性的时间冻结的近似处理,把它当作一个 断提高,对于复杂结构采用仿真分析方法确保施工 不随时间变化的结构进行静力或...
2010年7月 施工技术 第39卷第7期 CONSTRUCTION TECHNOLOGY 51 广交会大厦钢结构高效加工技术 陈建航,李剑洺,张春辉 (广东省建筑工程集团有限公司,广东广州510635) [摘要]广交会大厦采用钢框架-钢筋混凝土筒体结构,其钢结构基本采用板厚大于36mm的高层建筑结构用钢组 焊而成,焊接时拘束度大,节点构造复杂,焊接残余应力大;焊接精度要求高,工期紧张.采用优化、整合工艺路线 和设备资源,对内节点式矩形钢管柱形成了高效、高精度流水线生产加工技术;通过优化坡口形式、振动时效 (VSR)消除残余应力等有效措施,实现了钢结构高效、高精度、高质量加工. [关键词]广交会大厦;钢板;加工;优化坡口;残余应力 [中图分类号]TU758.16 [文献标识码]A [文章编号]1002-8498(2010)07-0051-02 High-precision Prefabrication Technology of Steel Structure in the CIEF Building Chen Jianhang Li Jianming Zhang Chunhui Guangdong Construction Engineering Group Co. Lad.Guangzhou Guangdong 510635 China) Abstract:The CIEF building uses steel-framework and reinforced concrete cube structure.The steel structure is bound strongly by welding with steel plate of more than 36mm thickness.The node is very plex and the remaining welding stress is big.The steel structure has high welding precision and tight construction period.This project forms a highly efficient and high-precision production line for the nodes- in type rectangular steel tube column by the optimization of process route and equipment resources.The steel structure is prefabricated with high efficient high precision and high quality by optimizing bevel forms and eliminating remaining stress by VSR. Key words:the CIEF building;steel plate;prefabrication;optimizing bevel form;remaining stress 1工程概况 1)节点和外框柱采用板厚>36mm的高层建筑结 中国对外贸易中心投资兴建的琶州广交会大厦工构用钢组焊而成,本身厚板焊接时拘束度大;节点构造 程,总建筑面积87553m㎡,地下2层,塔楼41层,建筑复杂,内部隔板、劲板及牛腿对箱体的共同作用使拘束 总高度177.30m 钢框架-钢筋混凝土筒体结构.本工度更大,...
2010年9月 施工技术 第39卷第9期 CONSTRUCTION TECHNOLOGY 99 广交会大厦核心筒分片式爬模施工技术 耿凌鹏,陈建航,陈一乔 (广东省建筑工程集团有限公司,广东广州510635) [摘盈]广立会大厦为钢框架一混凝土核心简结构体系.工程创新采用分片式液压爬模和能模初始安装技术,印结 合核心简混凝土浇筑和上眉钢能绑加情况,分片爬升内外板,解决了外伸牛随对整体升的不利影响:施工中预 留安孔润,利用爬模的大铜棋板完成首层施工后模架体和棋板,进了典用善通模板工两层体作承 载体的方法,含整个爬模系灵活、适用性强、提高工板. [关键词]广交会大屋:核简:液压模:分片腿升:初蹈容装 [中分类导]TU755.2 [立献标识移]A[支章编]10028498(2010)09-0099-03 Construction Technology of Climbing Formwork by Pieces for Core-tube of CIEF Building Geng Lingpeng Chen Jianhang Chen Yiqiao Guangdong Construction Engineering Group Co.Lid.Guangzhou Guangdong 510635 China) Abstract:CIEF building is designed as steel frame and concrete core-tube structure.Multi-pieces hydraulic climbing formwork and initial installation technology is innovatively used in the project. Combining with concrete pouring and upper layer steel bars construction internal and external formworks are lifted by pieces and the extended bracket influence to integral lifting is avoided.Through presetting installation holes the first floor can be constructed using large steel formwork of the climbing formwork and then climbing formwork system can be installed therefore traditional method of constructing two storey structure as bearing body with mon formwork are improved.So the system is more flexible suitable and effective. Key words:CIEF building:core-tube:hydraulic climbing formwork:climbing by pieces:initial installation 1工程概况 广交会大厦工程为中国进出口商品交易会(即广 交会)琶洲展馆重要配设施项目,总建筑面积87553 m2 地下2层,地上41层,建总高度177.30m.采用 新型的钢框架一混凝土核心简结构体...
施工技术 2011年7月下 106 CONSTRUCTION TECHNOLOCY 第40卷第345期 广东科学中心隔震支座施工变形及健康监测 王可怡,姬蕾,范雁,陈大宾 (广州大学土木工程学院,广东广州510006) [摘要]广东科学中心首次在巨型钢框架结构中应用隔展技术,隔震支座在框架结构施工过程中产生复杂变形, 通过隔震支座竖向、水平、偏心变形监浏,分析了变形特点,探讨了隔震支座变形的影响因索.采用远程无线白动 化健康监测系统对隔展支座正常服役阶段进行健监测,通过对监测数据的处理与分析,证明隔支座性能状态 稳定. [关键词]隔震支座;施工变形;影响因素;健康监测 .[中图分类号]TU352.12 [文献标识码]A [文章编号]1002-8498(2011)04-0106-04 Construction Deformation and Health Monitoring for Isolation Bearings in Guangdong Science Center Wang Keyi Ji Lei Fan Yan Chen Dabin School of Ciuil Engineering Guangzhoa Uninersity Guangzhou Guangdong 510006 China) Abstract:It is the first time to adopt seismic isolation technology in giant steel frame structure in Guangdong Science Center.Complex deformation occured in isolation bearing in steel frame structure construetion process.According to the vertical horizontal and eccentric deformation curves of isolation bearings changing features of the eurves are analyzed and deformation influenee factors of isolation bearings are discussed.By using remote wireless automatic monitoring system authors have a health monitoring for isolation bearings in normal service stage.Through analyzing the monitoring data authors have a conclusion that the performance of the isolation bearings is stable. Key words:isolation bearing;construction deformation;influence faclor;health monitoring 1工程概况 广东科学中心是广东省标志性建筑,其建筑造 型独特、来用多种结构类型,包括混凝土框架结构、 剪力墙结构、预应力混凝土结构、大跨度钢网壳屋盖 结构、巨型钢框架结构、巨型钢管桁架悬挑结构等. 中心共分A B C D E F G7个区域,如图1所示, 其中E区为常设展厅,是7个区域中最大区.鉴 于广东科学中心建设意义重大,以...
施工技术 2011年2月 18 CONSTRUCTION TECHNOLOCY 第40卷第4期 广东科学中心大跨度悬挑钢结构安装技术 张季超,马旭,周观根2 (1.广州大学结构工程研究所,广东广州510006; 2.浙江东南网架股份有限公司,浙江杭州311209) [摘要]结合广东科学中心巨型复杂钢框架安装工程,针对大跨度悬挑制结构安装工程的特点和难点,重点闸述了 结构安装方案和安装技术,包括钢柱吊装技术,主、次桁架吊装技术和船头桁架吊装技术及其安装稳固措施,最后 得出实施效果良好.该技术的应用,有效保证了大跨度悬挑钢结构安装上程的施上进度、质量及安全. [关键词]大跨度挑钢结构;安装方案;安装技术 【中围分类号]TU758.15 [文献标识码]A[文章编号]1002-8498(2011)04-0018-03 Installation Technology of Large-span Cantilever Steel Structure in Guangdong Science Center Zhang Jichao' Ma Xu' Zhou Guan'gen2 (1.Construction Engineering Institute Guangzhou University Guangzhou Guangdong 510006 China: 2.Zhejiang Southeast Space Frame Company Hangzhou Zhejiang 311209.China) Abstract:Based on the installation of giant plex steel frame for Guangdong Science Center the characteristics and difficulties of the large-span cantilever steel structure are introduced.Then some installation schemes and technologies are described in detail including the hoisting of steel column main or second truss and the bow truss as well as the installation stability measures.The effect of the installation technology is very well.The result shows that the installation technology effectively ensures construction progress quality and safety of the large-span cantilever steel structure. Key words:large-span cantilever steel structure;installation plan;installation technology 1工程概况 装技术,确保了钢框架结构施工高质量、安全并高效 广东科学中心C~F区为全钢框架结构,结构顺利完成. 分区平面布置如图1所示,由巨型格构式钢柱和巨2工程特点和难点 型钢桁架组成巨型复杂钢框架结构体系,屋盖采用 1)主楼C~F区作为展厅区,其中的布展项目 管桁架结构.巨型格构式钢柱由箱形柱、“日”字形要...
2011年2月 施工技术 第40卷第4期 CONSTRUCTION TECHNOLOGY 15 广东科学中心复杂钢构件与节点成型技术研究 张季超1,刘晨,周观根2,陈原 (1.广州大学结构工程研究所,广东广州510006:2.浙江东南网架殷份有展公司,浙江杭州311209) [摘要]结合广东科学中心主工程楼的大跨度钢结构,重点介绍了厚钢板折弯成型技术难点与措施,折弯“日字 形、“目“字形钢柱的成型技术难点与措施,复杂节点成型技术难点与措施及厚窄坡口埋弧焊焊接技术的难点与 措施.有效地保证了工程的施工进度及质量,成功解决了广东科学中心巨型钢结构复杂构件与节点成型难题. [关键闻]大跨度钢结构;折弯成型;节点成型;厚板焊接 [中图分类号]TU758.16 [文献标识码]A [文章编号]1002-8498(2011)04-0015-03 Research on Complex Steel Components and Node Forming Technology in Guangdong Science Center Zhang Jichao' Liu Chen' Zhou Guan'gen2 Chen Yuan' (1.Construction Engineering Institute Guangzhou University Guangzhou Guangdong 510006 China; 2.Zhejiang Southeast Space Frame Company Hangzhou Zhejiang 311209 China) Abstract:Based on the large-span steel structure of the main building in Guangdong Science Center the technique difficulties and construction measures are researched including steel forming technology for thick plate bending plex node formation technology thick plate-narrow groove submerged are welding technology.All these techniques effectively accelerate construction progress and improve engineering quality.The plex ponents and node forming problems of large-span steel structure in Guangdong Science Center are solved successfully. Key words:large-span steel structure;bending formation;node formation;thick plate welding 广东科学中心主楼巨型复杂钢框架结构为大跨1.2技术措施 度悬挑钢结构,部分悬挑跨度达45m.巨型钢框架 1)成型工艺原理经对各种加工方法的加工 结构中含有大量带折线的“日”字形、“目”字形钢质量、工作效率,特别是加工过程对材料损伤以及加 柱.“日”字形、“目”字形钢柱与柱间支撑连接节工成本等各种因素综合分析,带折线钢柱上下翼板 点、H型桁架结构中腹杆与弦杆的连接...