2014年3月下 施工技术 第43卷第6期 CONSTRUCTION TECHNOLOGY 27 D0I:10.7672/5js2014060027 深基坑工程锚杆施工造成周边建筑物沉降的分析研究 郭金武,倪晓荣,白志华,王勇 (中国新兴建设开发总公司,北京100039) [摘要]根据人民日报社报刊综合业务楼工程地质及水文地质条件,最终确定采用桩锚支护结构进行深基坑施工. 根据施工要求对临近周边建筑物基坑进行了支护处理,介绍了错杆具体施工方法和工艺流程.并对基坑沉降进行 监测,确定沉降监测方法.对沉降监测数据进行分析,最终得出理论分析结果与实际监测数据较为吻合,满足施工 要求. [关键词]高层建筑;地基;深基坑;错杆;沉降 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2014)06-0027-03 Influence of Deep Foundation Excavation Anchor Construction on the Settlement of Surrounding Buildings Guo Jinwu Ni Xiaorong Bai Zhihua Wang Yong China Xinxing Construction Derelopment General Co. Beijing 100039 China) Abstract:According to the engineering geology and hydrogeology condition of the People's Daily Integrated Business Building the support bination method of piles and anchors is determined.For the construction requirement the support treatments are applied for surrounding buildings meanwhile the concrete construction method and process of the anchors are introduced.The monitoring method is obtained to control the foundation excavation settlement.The data by theoretical analysis are agreed with the actual monitoring data very well by the analysis of the settlement monitoring data and the construction requirement is guaranteed. Key words:tall buildings;foundations;deep foundation excavation;anchors;settlement 1工程概况 民20乙 老干部活动中心 ① 招 人民日报社报刊综合业务楼工程主要由报刊 民30 所 综合业务楼、图书馆及学术交流中心组成,报刊综 合业务楼地下3层,地上32层.拟建工程场区周边 情况简述如下. 多 人民日报社报刊综合 北区食堂 台西路 业务楼工程(一期) 周边墙 场地北侧东部为报社家属楼和老干部活动中 心,其中20号甲家属楼地上6层,基础埋深约 1.5m 距本工程地下室...
2015年4月上 施工技术 第44卷第7期 CONSTRUCTION TECHNOLOGY 83 D0I:10.7672/5j52015070083 深基坑围护结构变形监测与数值模拟分析 万志辉,刘红艳,步艳洁 (辽宁工业大学土木建筑工程学院,辽宁锦州121001) [摘要]以某深基坑工程为研究对象,采用有限差分软件FLAC3对该深基坑围护结构施工过程进行数值模拟,并 将计算结果与监测结果进行对比分析.采用建立的计算模型,按单因素分析方法对深基坑围护结构变形的影响因 素进行分析.结果表明,增加围护结构的入土深度可以有效减小其侧移值,但围护结构入土深度满足基坑变形稳 定性要求后,继续增加入土深度对控制其侧移的效果并不明显;随着土体的弹性模量和内摩擦角的增大,围护结构 的侧移明显减小. [关键词]地下工程;深基坑;围护结构;监测;变形;数值模拟 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2015)07-0083-04 Analysis of Deformation Monitoring and Numerical Simulation on Retaining Structure of Deep Foundation Excavation Wan Zhihui Liu Hongyan Bu Yanjie (School of Ciuvil and Architectural Engineering Liaoning University of Technology Jinzhou Liaoning 121001 China) Abstract:This paper used FLAC to simulate numerically retaining structure of deep foundation construction process by taking a deep foundation excavation engineering as object.Meanwhile analysis was made from its results pared with monitoring data.The influence factor of retaining structure of deep foundation excavation deformation was analyzed by single factor analysis using established calculation model.The results indicated that inereasing the embedded depth of retaining structure can effeetively reduce its lateral displacement.However when the embedded depth of retaining structure satisfied the requirement of deformation stability the effect was not obvious as continue to increase the embedded depth.As the elastic modulus increased and angel of internal friction of soil expanded the lateral disp...
[关键词]地下工程;基坑;支护;钻孔灌注桩;施工技术 [中图分类号】TU753 [文献标识码】A [文章编号】1002-8498(2013)17-0056-05 ApplicationofDeepFoundationExcavationDeepening Technology in Some Engineering Liang Jianming (Guangdong Construction Engineering Group Co.,Lad.,Guangzhou,Guangdong 510635,China) Abstract; New foundation excavation is designed based on old foundation excavation for some engineering,underground cables and water pipes are buried under sidewalk,which requires strict for deformation,bored pile is selected to support foundation excavation. The displacement and settlement for step-slope segment tends to be stable by observation with 3 years on the top of old foundation excavation, new foundation excavation support hold upper part,bored piles for support set from - 3.5m. Backfill is consolidated between new and old foundation excavation. Based on the engineering,the author introduces selection modes and design method of new foundation excavation support, and construction points, including construction of bored piles,construction points for sleeve valve pipe grouting. Key words:underground; foundation excavation; supports;bored piles; construction 城市土地资源宝贵,地下空间不断开发,而且62m,宽约50m,基坑开挖较深,大面积开挖深度为 越来越深。
2011年7月下 施工技术 第40卷第345期 CONSTRUCTION TECHNOLOGY 19 深圳证券交易所营运中心超长悬挑钢结构整体 卸载及同步监测技术 王朝阳,陈治,杨松,程鹏,程建勇 (中建钢构有限公司,广东深圳518040) [摘要]深圳证券交易所营运中心抬升裙楼采用超长巨型悬挑钢桁架结构体系,桁架下弦距地面36m 由6类14榴 巨型钢桁架构成,悬挑22m 是世界上最大的空中花园.施工过程中,钢结构卸载是关键.结合超长悬挑裙楼钢结 构卸载,详细介绍了卸载工艺,并总结卸载过程中结构的监测重点和监测方法.指出卸载过程中同步监测的必要 性和重要性. [关键词]钢结构;抬升裙楼;卸载;同步监测 [中图分类号]TU758.15 [文献标识码]A [文章编号]1002-8498(2011)14-0019-04 Integral Unloading and Synchronous Monitoring Technology of Super-long Cantilever Steel Structure in Trading Center of Shenzhen Stock Exchange Wang Chaoyang Chen Zhi Yang Song Cheng Peng Cheng Jianyong China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:The podium of Trading Center of Shenzhen Stock Exchange project is super-long cantilever steel truss structure.The bottom chord of the cantilever part is 36 meters from ground.The podium is posite of 6 categories 14 giant steel trusses the cantilever length is 22 meters which is the largest sky garden in the world.During construction the unloading process of the steel structure is the key.The authors introduce the unloading technology of the structure and the key monitoring method during the unloading.The authors point out the important and necessary of synchronous monitoring during the unloading process. Key words:steel structure;uplifted podium;unloading;synchronous monitoring 1工程概况 监测.裙楼钢结构安装完成如图1所示. 深圳证券交易所营运中心抬升裙楼,采用超长 巨型悬挑钢桁架结构体系,桁架下弦距地面约36m 由6类14福巨型钢桁架构成,平面尺寸东西长 162m 悬挑36m 南北宽98m 悬挑22m 是世界上最 大的空中花园.整个抬升裙楼用钢量约2.8万t 悬 挑部分重9400多t. 裙...
2012年2月上 施工技术 第41卷第358期 CONSTRUCTION TECHNOLOGY 55 深圳证券交易所营运中心管井立管倒装法施工技术 黄晨光,刘业炳,裴以军,晏新亮,黄立鹏 (中建三局第二建设工程有限公司安装公司,湖北武汉430074) [摘要]根据超高层建筑机电工程管井立管施工的特点,突破常规施工技术,结合工程实例阐述了超高层建筑机电 工程管井立管一种新的施工技术,即倒装法施工技术,并详细分析倒装法施工技术的工艺流程,施工方法及施工效 果.采用倒装法施工技术,可以提高管井立管的施工质量和施工进度,确保施工安全,节约施工成本. [关键词]高层建筑;机电;管井;施工技术;倒装法 [中图分类号]TU758.7 [文献标识码]A [文章编号]1002-8498(2012)03-0055-03 Construction Technology of the Reversal Installation Method for Standpipe of Pipeline Well in Shenzhen Stock Exchange Center Huang Chenguang Liu Yebing Pei Yijun Yan Xinliang Huang Lipeng Installation Company the Second Construction Co.Ltd.of China Construction Third Engineering Bureau Wuhan Hubei 430074 China) Abstract:Based on construction characteristics of standpipe of pipeline well of electromechanical engineering in tall building the authors introduce a new construction technology of reversal installation method for the standpipe which breaks through normal construction technologies.The authors analyze in detail construction process construction method and construction effect.The reversal installation method can improve construction quality and construction progress assure construction safety and save construction cost. Key words:tall buildings;electromechanical;pipe well;construction:reversal installation method 根据目前超高层建筑管井立管施工技术分析, 根据目前超高层管井立管施工现状,结合深圳 通常采用传统的“正装法”进行管井立管施工,其施证券交易所营运中心工程实际,提出了一种新的管 工顺序为由下向上逐根连接安装,每层均要放置管 井立管施工技术,即倒装法施工技术.现以深圳证 道,并水平运输至管井处,此种方法大大增加管道 券交易所营运中心工程为例进行详细阐述管井立 垂直及水平运输次数,降低施工效率,增大安全风 管倒装法施工技术....
2011年2月 施工技术 第40卷第3期 CONSTRUCTION TECHNOLOGY 63 深圳福田站超大超深地下建筑施工优化 郭献珍 (中铁十五局集团有限公司广深港客逸专线项目部,广东深518048) [摇要]广深港客运专线深列福为图内首座大型全地下新建联路客运专线手站.针对超大超深地下空尚建就 工程的设计施工方,施工工艺进行研究、评审、比、优化,童点采用全善挖作法施工,开展全程盐测监拉预馨 报莹,达到确施工安全、质量、工期要求,实环保、吊有读源、降低成本目标:提高施工企业的社全和经清故益. [关键词]铁路站:巷悦:建筑方:施工优化:盖挖逆作法 [中密分类号]TU744 [立献标识码]A [立章编号]10028498(2011)03-0063-04 SuperHarge and Super-depth Building Construction Optimization of Futian Railway Station in Shenzhen Guo Xianzhen (Guangzhou-Shenzhen-Hong Kong Passenger Dedicated Line Project Department China Railcay 15th Construction Bureau Co.Ltd.Shenzhen Guangdong 518048 China) Abstract:Futian railway station in Shenzhen in Guangzhou-Shenzhen-Hong Kong passenger dedicated line is the first large scale full underground station in China.Before engineering construction the design and construction scheme and construction technologies for the superHarge and super-depth underground station are researched evaluated pared and optimized and cover-and cut reverse construction method is used in station construction.During construction monitoring and warning alarm in whole process is done to assure construction safety construction quality and construction period.This construction method can achieve the goal of environmental protection save resouree and reduce cost. Key words:railway station:foundation excavation:building scheme:construction optimization:cover- and cut reverse construction method 1工程概况 站址位于深市福田中心深南大道与益田路交 广深港客运专残深州福田站,地下3层、4站汇处,沿益田路下星纺锤形从北向南布置,两端连接 台、8轨道、...
[关键词】深圳湾体育中心;钢结构;空间网格结构;合龙;卸载;位移监测 [中图分类号]TU758.11[文献标识码]A[文章编号]1002-8498(2011)14-0015-04 Closure and UnloadingTechnologies of Spatial ChangingSurface Grid StructureinShenzhenBaySports Center Xu Chongliang,Wen Xiaoyong,Pan Xiaofeng,Tang Qichao,Zhu Hongbing (China Construction Steel Structure Co.,Ld.,Shenzhen,Guangdong 518040,China)
grid structure with spatial changing surface. The ponents of the steel roof is designed as box section with different bending and torsion. Furthermore the structural span is 500m,so it is sensitive to temperature difference.Later constructed belt is designed at key positions to eliminate structural stress. There are 250 support points in I bid section for in-site installation with operation frame,so the closure and unloading is more difficult. The closure ponents are welded with temporary connections before construction of main welding at closure point. Then the temporary connections are cut off when the welding is pleted. The special unloading equipments is cut off after unloading finished,and the ponents can loading on bearings. Key words;Shenzhen Bay Sports Center;steel structure; spatial grid structure; closure; unloading; displacement monitoring 1工程概况运动员接待中心 深圳湾体育中心主场馆长约500m,宽约240m,副馆 由体育场、体育馆及游泳馆组成。
【关键词】大跨度钢结构;卸载;几何非线性;分步成型 [中图分类号】TU758.11 [文献标识码]A [文章编号】1002-8498(2011)14-0009-03 UnloadingAnalysisofLarge-spanSteelRoofStructure inShenzhenBaySportsCenter Zhou Ming,Gao Jie,You Shengzhi, Chen Huazhou (ChinaConstructionStelSructureCo.,Ld.,Shenzhen,Guangdong518040,China) Abstract;Division and multi-step unloading is adopted in large-span steel roof structure in Shenzhen Bay Sports Center.The structure is divided into 34 sections, the safety of unloading,selection of jack type and estimation of unloading displacement need pre-analysis.Because of geometrically nonlinear influence, there are must be the difference between multi-stage forming structure and design shape. Authors suggest that ifmaking the stressing state ofunloading structure asinitial statein structure design, with secondary checking calculation bined with other conditions, the construction degree of freedom should be improved. Key words :large-span steel structure; unloading; geometrically nonlinear;multi-stage forming 1工程概况 深圳湾体育中心位于深圳湾滨海休闲带中段、 后海填海区内,其主要建设有“一场两馆”,即体育 场、体育馆和游泳馆,总建筑面积25.6万㎡²(见图 1)。
[关键词]防水工程;屋面工程;MAC防水保温一体化板;标准化;施工 [中图分类号】TU761.1 [文献标识码]A [文章编号]1002-8498(2016)03-0085-03 DesignandConstructionofRoofWaterproofandInsulation EngineeringofaLogisticsWarehouseinShenzhen Wang Zhenwen,Chen Jin (Shenzhen Joaboa Technology Co.,Lad.,Shenzhen,Guangdong 518049,China) Abstract:MAC waterproof thermal insulation boards are used in a roof waterproof and insulation project of a logistics warehouse in Shenzhen.The process flow,construction method,attentions and treatments of relevant joints are introduced.The waterproof and thermal insulation integrated system made by integrated insulation boards and rubber asphalt waterproof coating overe the shortings of the mutual reduction of the waterproof and thermal insulation function of the traditional roof system, simplify the roof structure and reduce the load on the building roof, confirming the new system has good waterproof effects. Keywords:waterproofing;roofs;MACwaterproof thermalinsulationboard; standardization;construction 1工程概况 该项目屋面防水设计为I级,屋面板采取结构 深圳某物流仓库项目(见图1)位于深圳市前海找坡的方式,采用2mm厚橡胶沥青防水涂料+ 公楼组成,占地面积70045m²,总建筑面积约热系数为0.024W/(mK),热阻R为 120683m²,总的屋面防水保温面积30000m²。
2012年8月上 施工技术 第41卷第370期 CONSTRUCTION TECHNOLOGY 55 深圳机场能源中心水蓄冷布水系统安装技术 谢上冬,黄远强,陈立群 (中建工业设备安装有限公司,江苏南京210046) [摘要]深圳机场能源中心水蓄冷系统,蓄冷水罐设计有效总容积为55200m3 由4个13800m3的水罐组成.蓄冷 水罐性能指数要求高,如何选择布水方式、布水器的形式及布水系统的计算是本工程的难点.经过技术攻关,成功 解决了上述难题,获得了良好的经济效益.主要介绍蓄冷水罐水蓄冷布水系统的安装技术. [关键词]机场;能源中心;蓄冷水罐;布水系统;安装 [中图分类号]TU758.7 [文献标识码]A [文章编号]1002-8498(2012)15-0055-03 Installation Technique of Chilled Water Storage Distribution System in Shenzhen Airport Energy Center Xie Shangdong Huang Yuanqiang Chen Liqun China Construction Industrial Equipment Installation Co.Ltd.Nanjing Jiangsu 210046 China) Abstract:The Energy Center of Shenzhen Airport was designed to have an effective chilled water volume of 55 200m2 which was constituted of four water tanks of 13 800m.These chilled water storage tanks were subjected to high performance request.Technical difficulties included the selection of water distributor design of the distribution system and system calculations.These difficult problems were solved by concentrated study and good economic benefit was gained.This paper gives an introduction to the installation technique of the chilled water distribution system in Shenzhen Airport Energy Center. Key words:airports;energy center;chilled water storage tank;influent distribution system;installation 1工程概况 匀布置,水流分配口水流进口雷诺数Re=240~ 深圳机场能源中心冷源供冷形式采用电制冷850,流速均匀并<0.03m/s. 水蓄冷方式.水蓄冷系统中,蓄冷水罐设计有效 3)布水系统的水流分配口形式和数量通过计 总容积为55200m3 由4个13800m3的水罐组成. 算确定,但必须确保达到上述技术要求,最终效果 布水系统的设计就是通过精确的计算和布置,控制 确保达到单个水罐蓄冷量12.7万kWh的要求. 水流平稳地进入或引出...
2010年4月 施工技术 第39卷第4期 CONSTRUCTION TECHNOLOGY 109 深圳机场T3航站楼幕墙CAD系统设计 胡振中1,王重力2,李国星2 (1.清华大学深圳研究生院,广东深圳518055;2.珠海市晶艺玻璃工程有限公司,广末深圳518040) [摘要]深圳机场3航站楼的幕墙造型采用了自由曲面上参数化造型的设计,建筑设计方使用空间三维坐标点的 方式给出了航站楼外表皮的单层单线模型.在进行施工图深化设计时,需根据该模型以及施工图设计过程中所需 的各种指导生产/安装的信息,对原数据进行相应的预处理,从面建立符合施工图要求的多层构造的三维模型,并 实现图纸输出.笔者开发了集预处理、自动建模、后处理等功能于一体的聚圳机场T3航站楼幕墙CAD系统(T3- CW-CAD) 旨在提高幕墙施工图设计工作的效率.详细讨论了该系统的需求、数据结构和核心算法. [关键词]深圳机场T3航站楼;计算机辅助设计;幕墙;三维建模 [中图分类号]TU201.4;TU248.6 [文献标识码]A【文章编号]1002-8498(2010)04-0109-04 A Computer Aided Design System for Curtain Wall Engineering of Shenzhen Airport Terminal 3 Hu Zhenzhong' Wang Zhongli2 Li Guoxing2 (1.Graduate School at Shenthen Tsinghua University Shenthen Guangdong 518055 China; 2.Zhuhai King Glass Engineering Co.Lad.Shenthen Guangdong 518040 China) Abstract:The facade of Shenzhen Airport Terminal 3 (T3)is a parametric shaping design based on free- form surface.Architect provides a single layer wireframe model for facade outer skin by listing related spacial point coordinates.During design development it's required for facade consultant to pretreat the raw data from architect in order to develop information of guidance for fabrication and construction and then rebuild a multi-layer 3D model with post-treatment besides drawing output.Thus based on the raw model and data a CAD system integrated pretreatment/auto-modeling/post-treatment for curtain wall engineering of T3 (T3-CW-CAD)is developed to increase the efficiency of drawing designing.The authors discuss the requ...
[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:...