[关键词】厦门西站;钢结构:大跨度钢桁架;施工技术 [中图分类号】TU758.11 [文献标识码】A [文章编号]1002-8498(2010)08-0108-04 Key ConstructionTechnologyforRoofSteelStructure ofXiamenWestRailwayStation Zhou Guan’gen', Chen Zhixiang',Zhu Qian',Yu Shuiqi',Qiao Jufu²,Zhang Yan’ (1. Zhejiang Southeast Space Frame Co. , Lud. , Hangzhou, Zhejiang 311209, China; 2.Bejing Mechanized Construction Co.,Ld.,Bejing 100045,China) Abstract;The steel structure roof for Xiamen West Railway Station is the largest span railway station s s o p s s us structure, and its structure form is novel and plex. Authors study and discuss the key construction technologies of roof steel structure, and the strengthening measures for floor,integral hoisting technology for main trusses of ZHJ3 and ZHJ2, lifting technology for roof truss are introduced in detail. By finite element software, the lifting process for main truss and roof truss and hoisting of ponents are simulated to indicate that the whole structure is safe during hoisting. Key words:Xiamen West Railway Station; steel structure; large-span steel truss; construction technology 1工程概况 厦门西站是国家铁路网沿海大通道的重要客运 站,站房跨度达132m,是目前国内最大跨度的铁路站 房,建筑效果如图1所示。
站房建筑层数为3层,地下 1层,地上2层,建筑最高点53m,站房主体采用钢筋混 凝土结构,局部为型钢混凝土结构,楼面采用现浇钢筋 图1厦门西站建筑效果 Fig.1Architectural effeet of Xiamen 混凝土双向有黏结预应力框架结构,屋面钢结构采用 West Railway Station 大跨度空间钢析架和双向正交钢管桁架结构。
施工技术 2010年1月 36 CONSTRUCTION TECHNOLOGY 第39卷第1期 厦门翔安海底隧道开挖围岩应力与位移监测分析 余永强1,熊芳斌,李华茂2 (1.河南理工大学土木工程学院,河南熊作454000; 2.南水北调中线于线工程建设管理局河南直管建管都,河南集作454850) [摘要]针对海底隧道开挖后的复杂受力状况,采用围岩变形控制理论作为隧道施工工艺的安全控制标准.在厦 门翔安海底隧道的A1标段主隧道F4风化深槽施工现场,埋设应力盒与多点位移计,对隧道开挖后围岩应力与位 移进行测试,分析围岩应力与位移规律的非线性关系,在此基础上对围岩稳定状况做出初步评价,认为工程所采用 的先注浆、后爆破开挖的施工工艺切实可行. [关键词]海底隧道;应力;位移;监测 [中图分类号]U457.2 [文献标识码]A [文章编号]1002-8498(2010)01-0036-02 Monitoring Analysis of Surrounding Rock Stress and Displacement in Xiamen Xiang'an Seabed Tunnel Excavation Yu Yongqiang' Xiong Fangbin' Li Huamao2 (1.Department of Civil Engineering He'nan Polytechnie University Jiaosuo He'nan 454000 China; 2.Construction and Administration Bureau of South to North Water Ditversion Middle Route Projeet Jiaozuo He'nan 454850 China) Abstract:Surrounding rock deformation control theory is adopted as the safety control standard of tunnel construction against the plex stress conditions.In order to measure the surrounding rock stress and displacement after excavation pressure cell and multi-point extensometers are buried in Al section main tunnel F4 weathering deep groove of Xiamen Xiang'an seabed tunnel.The nonlinear relation between surrounding rock stress and displacement is analyzed according to the testing results.Thus stability situation of surrounding rock is initially evaluated.It proves that the construction technology of blasting excavating after pouring is feasible. Key words:seabed tunnel;stress;displacement;monitoring 1工程概况 厦门翔安海底隧道是连接厦门本岛和翔安...
[关键词]地下工程;钢结构;钢管柱;逆作法;施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2014)13-0133-04 Top-down Construction Technology of Basement Steel StructureinXiamenShiqiao Center TangXiangjun,ZhouZhongqiang,Shang Hongjun,Li Qingbin,QinYijun,XuLei (Jiangsu Huning Steel Mechanism Co.,Ld.,Yixing,Jiangsu 214231,China) Abstract:It's difficult to construct in Xiamen Shiqiao Center by conventional construction sequence because of the narrow field and plicated construction conditions.The top-down method ensures the schedule of construction.The bearing supporting frame must rely on the pre-embedded steel pipe columns in the hole-pile.The structural practice indicates that the main structure pleted by four months. This construction methodreduced the human input and the construction cost. Key words:underground; steel structures; steel tubular column;top-down method;construction 1工程概况 厦门世侨中心项目为高层办公楼,占地面积为 3648.71m²,总建筑面积为45552.6m²,其中地下4 层,面积为10077.6m²,地上共27层,面积为 35475m。
2014年5月上 施工技术 第43卷第9期 CONSTRUCTION TECHNOLOGY 123 D0I:10.7672/5j52014090123 卵石层大跨小间距渡线隧道暗挖施工技术* 李润军1 2,廖秋林2,李源潮3,田亮,赵丁鸿1 (1.中国矿业大学(北京),北京100083;2.北京城建设计发展集团股份有限公司,北京100088: 3.中铁第五勘察设计院集团有限公司,北京102600) [摘要]在卵石地层中施工跨度大、间距小、断面多的渡线段隧道,难度很大.通过数值模拟和工程类比,确定了从 大洞向小洞(纵向)、先小洞后大洞(横向)的施工顺序,解决了不同断面、工法的合理过渡及小间距隧道群洞效应; 采用径向注浆方案解决了小间距隧道间土体加固的难题;采取构造梁柱体系、错开破洞及分段拆除临时支撑的方 法,实现了受力合理转换.采取潜孔锤跟管钻进工艺,解决了砂卵石地层打设管棚的难度. [关键词]隧道工程:渡线隧道;卵石地层;暗挖:施工技术 [中图分类号]U231.3 [文献标识码]A [文章编号]1002-8498(2014)09-0123-04 Shallow Mining Method of Large-span Small Spacing Connecting Tunnel in Cobble Layer Li Runjun.2 Liao Qiulin2 Li Yuanchao Tian Liang' Zhao Dinghong (1.China University of Mining and Technology Beijing) Beijing 100083 China; 2.Beijing Urban Construction Design Development Group Co.Lsd.Beijing 100088 China: 3.China Railway Fifth Survey and Design Institute Group Co. Lid.Beijing 102600 China) Abstract:Connecting tunnel construction is quite difficult in cobble layer because it's large-span small spacing and fickle cross section.The construction sequence was finalized by numerical simulation and engineering analogy.It is from large section tunnel to small one longitudinally and from small section tunnel to large one transversally.In this way transitional construction with different sections and technology is suecessfully pleted and multi-cavity effect of small spacing construction is conquered. Radial grouting can solve the problem of soil reinforcement among small spacing tunnel.Reasonable force transforma...
[关键词]预制装配式;混凝土;剪力墙;吊装;绿色施工 [中图分类号]TU741 [文献标识码]A[文章编号]1002-8498(2017)03-0034-04 PrecastMonolithicStereoGarageConstructioninNantong GovernmentAffairsCenter Liu Jiahua',Gong Yonghui² (1.Schoolof CivilEngineering,Jiangsu College of Engineering and Technology,Nantong,Jiangsu 226007,China; 2.CollgefCiilEngineringandEarhScences,TUDefDefehrland 3.Longxin Construction Group Co.,Ltd.,Haimen,Jiangsu 226100,China) Abstract:Nantong Government Affairs Center stereo garage adopts precast monolithic frame shear wall structure system,whose overall prefabricated rate is 52.6%.It uses ‘litte specifications, much bination’design principle to reduce the construction cost,shorten the construetion period,and implement the green construction without outer formwork,outer scaffold,masonry and plastering,which solves the accuracy control technical difficulties of PC ponent assembly and saves operating costs at a later stage of project. Key words:precast; concrete; shear wall;hoists;green construction 装配式混凝土结构是近年来我国工业化发展结构适用于大跨度、大开间工业建筑、写字楼、住 的热点与焦点,随着各地方政府在保障房建设中积宅、停车库等,随着工业化技术日趋成熟,此类建筑 极推进和各项配套政策鼓励与支持,国内装配式混为解决这一难题提供了很好的途径[-]。
施工技术 2017年2月上 30 CONSTRUCTION TECHNOLOGY 第46卷第3期 D0I:10.7672/sgs2017030030 南通政务中心预制装配整体式框架结构体系 立体车库设计* 刘加华1 2,柳海3 (1 江苏工程职业技术学院建筑工程学院,江苏南通226007;2.代尔夫特理工大学土木工程和 地球科学学院,荷兰代尔夫特;3.龙信建设集团有限公司,江苏海门226100) [摘要]结合南通政务中心立体车库案例,对比分析原方案(现浇框架剪力墙结构体系),在原方案基础上进行合理 优化,东区采用预制装配整体式框架现浇剪力墙结构体系组合结构,西区采用预制装配整体式框架结构体系,满 足“少规格、多组合”的设计原则,对立体车库进行P深化设计,符合施工精度控制要求,采用绿色建筑技术,节能 环保,降低运营成本. [关键词]预制装配式;框架;剪力墙;组合结构;深化设计 [中图分类号]TU741 [文献标识码]A [文章编号]1002-8498(2017)03-0030-04 Stereo Garage Design with Precast Monolithic Frame Structure System in Nantong Government Affairs Center Liu Jiahua.2 Liu Hai (1.School of Civil Engineering Jiangsu College of Engineering and Technology Nantong Jiangsu 226007 China; 2.College of Civil Engineering and Earth Sciences TU Delft Delft Netherlands; 3.Longxin Construction Group Co.Lad.Haimen Jiangsu 226100 China) Abstract:Combined with Nantong Government Affairs Center stereo garage case the original scheme which is cast-in-situ frame shear wall structure system is deepened.East area adopts precast monolithic framework and cast-in-situ shear wall structure system posite structure west area adopts the precast monolithic frame structure system which meets the design principle.Green construction with detailed design is applied for energy saving and reducing operation cost. Key words:precast;frames;shear walls;posite structure;detailed design 0引言 排等优点.推广装配式混凝土结构,是实现建筑工 当前,随着建筑业转型升级步伐的加快,建筑 业化的重要途径之一,而工业化建筑又是推动建筑 工业化日益受到关注和重视,国家也大力支持其发 工业化的新动力,国家标准《工业化建筑评价标准》 展,积极出台相应政策扶持,今年国务...
[关键词】广州亚运会;南沙体育馆;钢屋架:预应力;双层轮辐式空间张弦结构;施工技术 [中图分类号]TU758.166 【文献标识码]A[文章编号]1002-8498(2010)08-0087-06 Construction TechnologyforSteel RoofPrestress ofNansha Gymnasium Wu Caiwu,Wen Miancong,Wang Wenling (Guangzhou Xiean Building Engineering Co. , Lad. , Guangzhou, Guangdong 510075 , China) Abstract;The construction technology for steel roof prestress of double-layer spoke-type spatial string structure in Nansha Gymnasium of Asian Games Guangzhou 2010 is indicated in detail. Through analysis on dificulties and keys, a series of technologies are applied, which include the choice of temporary support for steel structure installation,tensioning with level,grade andbatch,synchronous tensioning of steel wire rope with batch, analyzing and controlling the quality and safety of construction by monitoring data. And the application effets are summarized. It is pointed out that the support system using bailey truss is better than full hall support system, and the analysis results by finite element method play an important role in the whole tensioning process. Key words: Asian Games Guangzhou 2010; Nansha Gymnasium; steel roof; prestress; double-layer spoke-type spatial string structure; construction technology 1工程概况 内层每福张弦梁上弦为截面250mmx250mmx 双层轮辐式空间张弦结构钢屋架是近几年发展起10mm的径向钢箱梁,下弦为$5mmx127径向钢丝束 来的一种新型大跨度预应力钢屋架结构形式。
【关键词】隧道工程;干渠;盾构;开挖面;优化 [中图分类号]U455.43[文献标识码】A[文章编号]1002-8498(2015)23-0072-07 StudyonParameterOptimizationofEarthPressureBalance ShieldConstructioninaContractSectionoftheEastMainCanalof South-to-northWaterTransferProjectinBeijing YuanQingwei',Li Lingyi²,Liu Changjian²,Jiang Houting',Gong Qiuming' (1.KeyLaboratoryofUrbanSecurityandDisasterEngineeringofMinistryofEducation,BejingUniversityfTechnology, Beijing 100124,China;2.Beijing MunicipalRod&Bridge Group Co.,Ld.,Beijing 100068,China) Abstract;Based on shield construction of tunnel section of the east main canal of South-to-north Water Transfer project in mixed stratum with fine medium sand and silty clay in Beijing,the construction
conditioning tests of fine medium sand and silty clay are done respectively including additive performance test and indoor soil conditioning test),draws conclusion that the best foam injection ratio of fine medium sand is 8%,the best foam injection ratio of silty clay is 30%,and then the best foam injection ratio of mixed stratum is 30% which is determined based on the different volume of mixed stratum with fine medium sand and silty clay,the value range of excavation face pressure of the shield is 100 ~150kPa by puting optimization of theoretical methods. Key words:tunnels;main canal; shields;excavation face;optimization 1工程概况及地质条件鱼尾刀贝型刀仿形刀 土压平衡盾构区间为北京市南水北调东干渠切刀 配套工程某标段,掘进机机身全长14.085m,开挖直滚刀 径6.2m,盾构刀盘如图1所示,盾构设计参数如表 1所示。
施工技术 2011年2月 78 CONSTRUCTION TECHNOLOGY 第40卷第3期 南昌报业大厦高空钢结构施工技术 郑永康,邓小华2 (1.南品大学建就工程学,江西南品330031:2.南市建设工程质量督,江南330031) [委]南昌报业大屋钢传构“帆”形的装饰道型新颖验特,主委由4根立起的团弧铜箱柱组成,外形尺寸125m 宽21 4m 弧长为141.75m.为减少高空行业和供证容装定位确的盈米,采用“地面分轻、单片预拼、高空总拼 梨”的施工方宗.诚方亲在地面拉利了横向系杆的焊接变够和单拼装尺寸溪差,单片在高空的安装定性好,密 梨定位准确度高,施容金,王期短. [关键词]钢德构:施工:预拼装:高空拼聚 [中图分类暑TU758 [文献标识码]A[章编号]1002-8498(2011)03-0078-03 Construction Technology of Steel Structure of Nanchang Newspaper Building in High Altitude Zheng Yongkang' Deng Xiaohua (1.School of Architectural Engineering Nanchang University Nanchang Jiangxi 330031 China: 2.Projects Quality Superrision Office of Nanchang City Nanchang Jiangxi 330031 China) Abstract:Steel structure decoration of Nanchang newspaper building is novel and distinctive with the sail- shape which poses of four arc box-section columns with height 125m width 21.4m and arc length 141.75m.The method of segment assembly on ground pre-assembly with single truss and integrate assembly at high altitude is adopted for accurate spatial location and reducing high altitude installation working.The method can reduce welding deformation of horizontal rods and assembly dimension errors of single truss and assure good installation stability at high altitude high accuracy for location safe construction and short construction period. Key words:steel structure:construction:pre-assembly:high altitude assembly 1工程概况 141.75m 容装需在主体工程 南昌报业大屋地下2层,地上25层,钢筋混凝封项后进行.由于钢结构造 土框架-剪力墙结构,总建筑面积47935m2.钢结构型的特殊性,择施工方 的装饰遗型星“”形,寓意为“帆”.钢结...
施工技术 2010年8月 78 CONSTRUCTION TECHNOLOGY 第39卷第8期 南昌国际体育中心体育场大悬挑钢桁架施工关键技术 周观根,陈湘,王永梅,郑孝谨,刘小磨 (浙江东南网架股份有限公司,浙江杭州311209) [摘要]针对南昌国际体育中心体育场钢结构工程的大悬挑、大跨度、单向斜撑等结构特点和施工难度,详细介绍 了高空分块安装法、结构合龙、整体卸载等关键技术及难点,并通过对施工全过程有限元仿真分析证明,该技术高 效、合理,保证了工程质量和施工安全,并为此类体育场馆的施工提供了一定的参考. [关键词]南马国际体育中心;体育场;大甚挑;高空分块安装法;结构合龙;整体卸 [中图分类号]TU391.3[文献标识码]A[文章编号]1002-8498(2010)08-0078-04 Key Construction Technology for the Steel Truss with Large Cantilever on the Stadium of Nanchang International Sports Center Zhou Guan’gen Chen Xiang Wang Yongmei Zheng Xiaojin Liu Xiaomo (Zhejiang Southeast Space Frame Co.Lid.Hangzhou Zhejiang 311209 China) Abstract:Based on the structural characteristics and construction difficulties of the large eantilever large span and one-way diagonal brace on the stadium of Nanchang International Sports Center the key construction technology and difficulties for the high altitude block installation closure technology and whole unloading and so on are described in detail.At the same time FE 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 guaranteed furthermore the referenced conclusion is provided to the similar stadium. Key words:Nanchang International Sports Center;stadium;large-cantilever;high altitude block installation;closure technology;integral unloading 1工程概况 采用96榴径向主桁架、5福环桁架、部分收边桁架、 南昌国际体育中心体育场占地面积67248m2 总 “V”形支撑和单向斜撑、192只铸钢件节点等组成空间 建筑面积82742m2 体育场最多...
2016年9月上 施工技术 第45卷第17期 CONSTRUCTION TECHNOLOGY 29 D0I:10.7672/8gjs2016170029 南宁软岩地区桩锚支护深基坑工程实例研究 王刚1,熊宗海2 3,冯建东1,韩建川,尹凯丽3 (1.湖北中南勒察基础工程有限公司,湖北武汉430081;2.中国地质大学(武汉)工程学院, 湖北武汉430074;3.武汉丰达地质工程有限公司,湖北武汉430074) [摘要]介绍了预应力锚索支护体系在南宁软岩地区基坑项目应用中的基坑设计及施工注意事项,并进行了计算 成果分析及变形监测成果分析等工作.通过分析,得出工程软岩具有特殊的工程力学特性;工程软岩强度随深度 增加而衰减,基坑侧壁表现为“悬臂式”变形趋势以及明显的“坑角效应”;软岩基坑坑底岩体能提供较大抗力;“抱 柱”结合预应力桩锚的联合支护体系可有效控制支护结构变形等成果. [关键词]深基坑;软岩;桩错支护;设计;施工技术;变形;监测 [中图分类号]TU753;TU475.9 [文献标识码]A [文审编号]1002-8498(2016)17-0029-06 Case Study on Deep Foundation Excavation Engineering with Pile Anchor Supporting System in Soft Rock Area of Nanning Wang Gang' Xiong Zonghai. Feng Jiandong' Han Jianchuan' Yin Kaili' (1.Hubei Central South Exploration Foundation Engineering Co.Lad.Wuhan Hubei 430081.China: 2.Faculty of Engineering China University of Geosciences Wuhan Hubei 430074 China; 3.Wuhan Fengda Geological Engineering Co.Lad.Wuhan Hubei 430074 China) Abstract:In this paper important matters of design and construction of foundation excavation with prestressed anchor cable supporting system in soft rock area of Nanning were introduced.And analysis of the calculation results and the deformation monitoring was carried out.The results mainly show that:soft rock has special engineering mechanical properties;soft rock strength is weakened with the increase of depth;the lateral wall of the foundation excavation is shown as‘cantilever'deformation trend and apparent‘corner effect';the bottom rock of soft rock foundation excavation can ...
施工技术 2014年11月下 62 CONSTRUCTION TECHNOLOGY 第43卷第22期 D0I:10.7672/sjs2014220062 南宁吴圩国际机场新航站楼超大超厚分叉 铸钢件安装技术* 侯恩宏,罗丕均1,唐际宇2,邱森,颜佳星,唐志坚3 (1.中建安装工程有限公司,江苏南京210023;2.中国建筑第八工程局有限公司 广西分公司,广西南宁530022;3.南宁吴圩机场扩建指挥部,广西南宁530022) [摘要]针对设计较为罕见的超大超厚分叉铸钢件,通过吊装软件模拟三维吊装,确保安装的安全性和可靠性,采 取可靠的测量定位方法,严格按照对称焊接顺序保证铸钢件定位后的准确性和质量的保证性,解决了此超大超厚 分叉铸钢件的施工难题. [关键词]钢结构;铸钢件;吊装;数值模拟;测量 [中图分类号]TU758.11 [文献标识码]A[文章编号]1002-8498(2014)22-0062-03 Installation of Super-large and Super-thick Forked Steel Castings in Nanning Wuxu International Airport Terminal Building Hou Enhong' Luo Pijun' Tang Jiyu? Qiu Sen' Yan Jiaxing' Tang Zhijian (1.China Construction Installation Engineering Co.Lad.Nanjing Jiangsu 210023 China; 2.Guangxi Branch of China Construction Eighth Engineering Bureau Nanning Guangxi 530022 China; 3.Nanning Wuxu International Airport Construction Headquater Nanning Guangxi 530022 China) Abstract:Appointed to the super-large and super-thick forked steel castings by simulating 3-D hoisting procedure by hoisting software the safety and reliability of the steel castings installation are assured.By taking reliable measuring and position method according to welding sequence strictly the accuracy and welding quality after the steel casting position are assured.All these methods can solve the construction problems of the super-large and super-thick forked steel castings. Key words:steel structures;steel castings;hoisting;simulation;measure 1工程概况 CLM 南宁吴圩国际机场新航站楼中央大厅~ 4 轴由7根钢柱支撑,钢柱由铸钢件进行分叉,一 GI-I-IA ZG-12A .IA Z0-1...
2014年8月下 施工技术 第43卷第16期 CONSTRUCTION TECHNOLOGY D0I:10.7672/5js2014160005 南宁吴圩国际机场新航站楼树形钢管柱吊装技术* 梁秋莹,唐际宇,侯恩宏2,唐阁威1,莫凡 (1.中国建筑第八工程局有限公司广西分公司,广西南宁530022: 2.中建安装工程有限公司,江苏南京210046) [摘要]根据树形钢管柱结构形式和受力特点,进行合理分段.结合钢筋混凝土结构的施工顺序和临时道路的布 置,制定合理的吊装顺序,根据钢管柱的平面布置和土建各施工阶段的总平面布置,以“就近吊装”为原则,确定钢 管柱分段吊装工况,据此对钢管柱分阶段吊装设备的选择进行论证,确定最优方案.同时,结合混凝土框架结构, 合理设置分叉钢柱安装临时支撑措施,确保分叉钢柱安装的质量和安全. [关键词]机场:钢结构;树形;钢管柱;支撑;吊装 [中图分类号]TU758.15 [文献标识码]A [文章编号]1002-8498(2014)16-0005-05 Hoisting for Tree Steel-tube Column in Nanning Wuxu International Airport Terminal Building Liang Qiuying' Tang Jiyu' Hou Enhong? Tang Gewei' Mo Fan' (1.China Construction Eighth Engineering Division Co.Lid.Guangxi Branch Nanning Guangxi 530022 China; 2.China Construction Installation Engineering Co.Lid.Nanjing Jiangsu 210046 China) Abstract:Based on structure form and load characteristics the tree steel-tube column is divided into reasonable segments.Combining with construction sequence and layout of the temporary road during construction of RC structure the reasonable hoisting sequence of the columns is determined.Based on plan layout of the steel-tube columns and the total plan layout of the civil construction following the nearest hoisting principle the condition of segment hoisting of the steel columns is set.Based on hoisting condition of the steel-tube column the hoisting equipment is selected to determine the most optimized schemes.At the same time bining with concrete frame structure some temporary supports are adopted to ensure...
2015年5月上 施工技术 第44卷第9期 CONSTRUCTION TECHNOLOGY D0I:10.7672/8gis2015090001 南宁吴圩国际机场新航站楼曲面外倾斜拉索 幕墙玻璃安装施工技术* 唐际宇,黄业信2,王维3,胡启权3,曾宇博4 (1.广西大学土木建筑工程学院,广西南宁530001;2.温州市亚飞铝窗有限公司南宁分公司, 广西南宁530022;3.中国建筑第八工程局有限公司广西分公司,广西南宁530300; 4.广西建工集团第五建筑工程有限责任公司,广西柳州545001) [摘要]倾斜拉索幕墙玻璃安装的方法多样,如采用塔式起重机、汽车式起重机直接安装法,手动葫芦或卷扬机双 向牵引法以及导向索滑行吊装法等,各方法需根据工程实际情况因地制宜选择.结合南宁吴圩国际机场新航站楼 进港大厅外倾斜幕墙平行于同步施工的楼前高架桥,室内因拉索已完成安装及进行室内装修的特殊情况,创新采 用了在室内网架下安装桁车电动葫芦,结合电动吸盘进行玻璃幕墙安装的方法,可实现玻璃吊装的竖向与水平灵 活移动,很好地解决了此外倾拉索幕墙的玻璃安装难题. [关键词]装饰装修;机场工程;幕墙;外倾斜拉索幕墙;玻璃;安装 [中图分类号]TU767.6 [文献标识码]A [文章编号]1002-8498(2015)09-0001-03 Glass Installation Technology for Curved Outer-inclined Cable Curtain Wall in Nanning Wuxu International Airport New Terminal Tang Jiyu' Huang Yexin2 Wang Wei' Hu Qiquan' Zeng Yubo' (1.College of Civil Engineering and Architecture Guangxi University Nanning Guangxi 530001 China; 2.Nanning Branch of Wenzhou Yafei Windows Co.Ltd.Nanning Guangxi 530022 China; 3.China Construction Eighth Engineering Division Co. Lid.Guangxi Branch Nanning Guangxi 530300 China; 4.Guangxi Construction Engineering Group No.5 Construction Engineering Co.Lid.Liuzhou Guangxi 545001 China) Abstract:There are many methods for glass installation in inclined cable curtain wall such as direct installation with tower cranes and truck cranes directional traction with manual hoist or windlass and installation with guide sliding cable.The installation method should be selected according to actual conditions.Based on the typical conditions that outer-incli...
2016年10月下 施工技术 第45卷第20期 CONSTRUCTION TECHNOLOGY 9 D0I:10.7672/5js2016200009 南宁吴圩国际机场新航站楼大跨度预应力 鱼腹梁施工技术* 唐际宇,2,王维,梁秋莹,唐阁威 (1.中国建筑第八工程局有限公司广西分公司,广西南宁530028; 2.广西大学土木建筑工程学院,广西南宁530001) [摘要]根据大跨度预应力鱼腹梁的设计特点,针对梁底曲线变化情况,结合所选用的模板支撑体系的类型,通过 计算机放样和立杆的模数,分段匹配支撑立杆.采用调差工具,形成相匹配的鱼腹梁底曲线,并通过实物等效堆 载,检验支撑体系的承载力性能及模板曲线变化情况.同时合理安排模板安装与钢筋绑扎的穿插施工,确定主次 梁钢筋、构造筋的绑扎顺序.通过以上措施,安全、优质地完成了大跨度预应力鱼腹梁的施工. [关键词]安装工程;大跨度;预应力;鱼腹梁;施工技术 [中图分类号]TU758.11[文献标识码]A[文章编号]1002-8498(2016)20-0009-04 Construction Technology of Large Span Prestressed Fish-bellied Beam of Nanning Wuxu International Airport New Terminal Tang Jiyu.2 Wang Wei' Liang Qiuying' Tang Gewei (1.Guangxi Branch of China Construction Eighth Engineering Bureau Nanning Guangxi 530028 China; 2.College of Civil Engineering and Architecture Guangxi University Nanning Guangxi 530001 China) Abstract:According to the design features of large span prestressed fish-bellied beam for beam curve changes with the type of the selected template support system through the puter lofting and the pole of the modulus the support vertical bars are sectionally matched.The matching fish-bellied beam curves form by the adjustment tool and through the physical equivalent pile the bearing capacity performance of the support system and the change of the template curves are tested.At the same time the interpenetration construction of installation of formwork and steel bar binding are arranged the primary and secondary beam reinforced structural reinforcement binding sequence is ...
[关键词]钢结构;树形钢柱;支撑;网架;卸载;同步 [中图分类号]TU758.11[文献标识码】A[文章编号]1002-8498(2015)02-0058-02 SynchronousUnloadingConstruction ofLarge-spanDouble-curved Grid in Nanning Wuxu International Airport Terminal Building Tao Shusheng',,Hou Enhong²,Luo Pijun²,Wang Ping²,Zheng Bao²,Zhang Jing” (1.GuangxiBranchofChinaConstruction Eighth Engineering Bureau,Nanning,Guangxi530022,China; 2.China Construction Installation Enginering Co.,Ld.,Nanjing,Jiangsu210023,China; 3.Shanghai Project Management Co.,Ltd.,Shanghai 200080,China) Abstract:Based on synchronous and controllable unloadingof large-span double-curved grid inallowable scope,by detail analysis and research on support and unloading system, the sand of times support unloading methodisadopted to ensure thecontrollable andsynchronous ofunloading process.Theauthors introduced in detail the schemes selection and construction technology of tree-shape steel support of large- span double-curved grid in Nanning Wuxu International Airport terminal building. Key words:steel structures; tree-shaped steel columns; supports; grid;unloading;synchronous 1工程概况 南宁吴圩国际机场新航站楼主体工程中央大 厅标段的支撑系统采用的是树形钢柱支撑系统,整 个屋面网架9000t的质量全部落在树形钢柱上(见 图1,2)。
大跨度双曲面网架的卸载工艺在目前国内已 有的卸载工艺里面算是比较成熟的,但是当重达图1屋面结构效果 9000多t的网架全部落在25根树形钢柱上时,为达Fig.1Effect of roof structure 到树形钢柱的支撑受力均匀,卸载位移同步,就必 须保证安装的精度和卸载过程中的精确控制。
施工技术 2014年8月下 10 CONSTRUCTION TECHNOLOGY 第43卷第16期 D0I:10.7672/5js2014160010 南宁吴圩国际机场新航站楼大跨度倾斜 钢结构落地拱安装技术* 罗不均1,唐际宇2,侯恩宏1,陈德政 (1.中建安装工程有限公司,江苏南京210046: 2.中国建筑第八工程局有限公司广西分公司,广西南宁530022) [摘要]南宁吴圩国际机场航站楼中央大厅入口为跨度227m的倾斜钢结构桁架式落地拱,管径大,双曲面弧形结 构,安装定位难度高.在安装施工过程中,通过计算机模拟,分段安装,采用动态测控技术和有效的质量控制手段, 圆满完成结构吊装. [关键词]机场:钢结构;航站楼;拱;安装 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2014)16-0010-03 Installation of Large-span Inclined Steel Structure Arch in Nanning Wuxu International Airport Terminal Building Luo Pijun' Tang Jiyu? Hou Enhong' Chen Dezheng' (1.China Construction Installation Engineering Co.Ltd.Nanjing Jiangsu 210046 China; 2.China Construction Eighth Engineering Divison Co.Lud.Guangxi Branch Nanning Guangxi 530022 China) Abstract:The entrance of the central hall of the Nanning Wuxu International Airport Terminal Building is a 227m-span inclined steel truss arch with big diameter pipeline.Because the arch is hyperboloid arc- shape structure the installation and location are difficult.During installation of the arch by calculation simulation and installation by segment the arch is installed successfully by adopting dynamic measuring technology and effective quality controlling measures. Key words:airport;steel structures;terminal;arches;installation 1工程概况 合拢”的安装方法,从东西两端同时向中间方向逐 南宁吴圩国际机场新航站楼造型新颖,整体结 步逐段安装,最后在中间部位合拢. 构呈重叠的双凤灯造型.中央大厅入口采用大跨3施工工艺流程 度倾斜钢结构落地拱结构,整个落地拱为倒三角桁 施工工艺流程如图2所示.其中深化设计包 架式双曲面拱形结构,跨度227m 拱前倾28m 拱高括:①建立计算机三维实体模型;②确定分段点及 39m.全部采用钢管结构,包括2根上弦杆、1根下控制点坐标;③拼接接头设计;④地面组装胎架 弦杆、若干直腹杆和...
2016年10月下 施工技术 第45卷第20期 CONSTRUCTION TECHNOLOGY D0I:10.7672/5j52016200001 南宁吴圩国际机场新航站楼中央大厅屋盖多类 型钢结构施工技术* 唐际宇,戈祥林,侯恩宏2,罗不均2,王平2 (1.中国建筑第八工程局有限公司广西分公司,广西南宁530028; 2.中建安装工程有限公司,江苏南京210046) [摘要]针对南宁吴圩国际机场新航站楼中央大厅屋盖的特点,不同钢结构部位灵活采用不同的支撑及吊装方法. 根据设计图纸对屋盖结构进行深化设计,采用SAP2O00和Tekla软件进行受力分析和模拟吊装.以网架节点为中 心,加工上下弦杆,并以结构对称、受力均匀、合龙区后施工为原则,对桁架体系进行分区、分段,合理安排施工顺 序.根据屋面交叉桁架的组成及吊装工况,选择合理的吊装方法、吊装设备和支撑体系,完成交叉桁架钢结构的吊 装施工. [关键词]钢结构;屋盖;桁架;吊装;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(2016)20-0001-04 Construction Technology of Multitype Steel Structure of the Roof of the Central Hall of the New Terminal Building of Nanning Wuxu International Airport Tang Jiyu' Ge Xianglin' Hou Enhong? Luo Pijun2 Wang Ping? (1.Guangxi Branch of China Construction Eighth Engineering Bureau Nanning Guangxi 530028 China; 2.China Construction Installation Engineering Co.Ltd.Nanjing Jiangsu 210046 China) Abstract:According to the characteristics of the roof of the central hall of the new terminal building of Nanning Wuxu International Airport the different steel structure parts are flexible to adopt different supporting and lifting methods.According to the design drawings of the roof structure for deepening the design the hoisting is analyzed and simulated by using SAP2000 and Tekla software.Taking grid nodes as the center processing on the bottom chord with symmetrical structure uniform stress closure area construction as the principle to partition and segment the truss system the construction sequence is arranged reaso...
[关键词】钢结构;安装工程;网架;整体提升;预应力;索;施工技术 [中图分类号】TU758.11 【文献标识码】A [文章编号】1002-8498(2017)07-0036-03 KeyConstructionofIntegralLiftingofSteelRoofTrussof NanningEastRailwayStation XIAOZuowei (Shanghai Tongli Construction Robot Co.,Ltd.,Shanghai 200436,China) Abstract:The steel roof weight of Nanning East Railway Station is 5 900 tons,and its maximum plane size is 210m ×438m.Advanced construction technologies,such as member assembly,integral lifting and the construction of prestressed cables are adopted.The entire construction course was simulated in order to minimize the impact of construction on the structure. The best unloading plan is determined. Key words: steel structures; installation; space truss; integral hoisting; prestressing; cables;construction 1工程概况 南宁东站位于广西南宁市,为南广高铁、广西 沿海城际铁路与柳南城际铁路的交汇点,是广西建 设体量和旅客运输能力最大的大型高铁车站,总建 筑面积267471m²(见图1)。
东站钢结构工程由站 房钢结构和雨篷钢结构2部分组成,总用钢量约 20845t。
车站站房为钢筋混凝土框架结构,站房屋 图1南宁东站建筑效果 盖采用钢管网架结构。
网格单元主要为正交正放 Fig. 1 Nanning East Railway Station architecture effect 四角锥单元,整体钢结构屋面平面最大尺寸为 210m×438m,典型网格尺寸为4.8m×4.2m,高3.6 ~7m。
2017年8月上 施工技术 第46卷第15期 CONSTRUCTION TECHNOLOGY D0I:10.7672/8js2017150001 南宁万科大厦超高大悬臂空腹桁架施工技术 徐晗,韩超2,陆建飞2,王洪腾2,沈映2 (1.中天建设集团浙江钢构有限公司,浙江杭州310008; 2.中天建设集团有限公司,浙江杭州310020) [摘要]南宁万科大厦南楼高大悬臂空腹桁架结构施工采用钢管支撑立柱组合高大支模架,并结合千斤顶卸载的 施工方式.钢支撑支顶悬挑大梁、高大支模架支顶楼板、千斤顶同步分级卸载,取代传统的满堂支撑架施工方法. 施工过程中通过对大悬臂空腹桁架施工方案设计、施工模拟、施工工艺流程及操作要点等关键技术进行研究,很好 地解决了超高大悬臂空腹桁架结构施工中支撑承载力、整体稳定性不高、截面开裂等技术难题. [关键词]高层建筑;悬臂;空腹桁架;钢支撑;卸载:施工技术 [中图分类号]TU758 [文献标识码]A[文章编号]1002-8498(2017)15-0001-04 Construction Technology of Super-high Large Cantilevered Vierendeel Truss in Nanning Vanke Building XU Han' HAN Chao2 LU Jianfei2 WANG Hongteng? SHEN Ying2 (1.Zhejiang Steel Structure of Zhongtian Construction Group Co.Ltd.Hangzhou Zhejiang 310008 China; 2.Zhongtian Construction Group Co.Ltd.Hangzhou Zhejiang 310020 China) Abstract:The super-high large cantilevered vierendeel truss construction in the south block of Nanning Vanke Building applies posite frame of steel tube supports and formwork supports bined with the jack for unloading construction.The steel support bears cantilevered beam high support frame bears floor and jack is used for synchronous grading unloading to replace the traditional full support of the construction method.During the construction process the key technologies such as design construction simulation construction processing and operation points of the large cantilever fastening truss are studied which can solve the bearing capacity of the super-high cantilevered vierendeel truss structure as well as the ...