2010年1月 施工技术 第39卷第1期 CONSTRUCTION TECHNOLOGY 55 富水砂卵石地层土压平衡盾构带压换刀技术 章慧健,仇文革1,胡辉1,钟山2 (1.西南交通大学土木工程学院,四川成都610031;2.中国中铁二局集团有限公司,四川成都610031) [摘要]成都地铁1号线的盾构掘进表明,在砂卵石地层中开挖刀具的磨耗非常严重,平均120-150m需全面更换 一次刀具.结合成都地铁1号线盾构3标项目,对浅埋富水砂卵石地层条件下的土压平衡盾构带压换刀技术进行 了有益尝试并获得成功,从而形成了相关成套技术.主要包括带压换刀工作气压值的经验计算公式,影润土泥浆 的配合比和制备流程,以及按“到达预定换刀地点前”、“到达时”、“换刀结束后的恢复掘进”三阶段控制的施工工 艺. [关键词]隧道工程;富水砂卵石地层;土压平衡盾构;带压作业;膨润土泥浆 [中图分类号]U455.43 [文献标识码]A [文章编号]1002-8498(2010)01-0055-04 Changing Cutter Tools Technology of Earth Pressure Balance Shield in Water-rich Sandy Gravel Stratum Under Pressure Zhang Huijian' Qiu Wen'ge' Hu Hui' Zhong Shan2 (1.School of Civil Engineering Southwest Jiaotong University Chengdu Sichuan 610031 China; 2.China Railway No.2 Engineering Group Co. Lad.Chengdu Sichuan 610031 China) Abstract:In excavation of Chengdu Metro Line 1 the cutter tools of earth pressure balance shield are seriously worn in sandy gravel stratum.Generally the cutter tools should be changed after excavating less than 150 meters.Based on construction of bid 3 of Chengdu Metro Line 1 authors take tests to change cut tools of earth pressure balance shield in water-rich sandy gravel stratum under pressure which finally resulting in success.The related integrated techniques mainly include experience formula of working pressure value mixture ratio and preparing process of bentonite slurry and the operation techniques corresponding with different phases. Key words:tunnel engineering;water-rich sandy gravel stratum;earth pressure b...
[关键词]隧道工程;地铁;盾构;富水地层;防渗漏 [中图分类号】U455.43[文献标识码】A[文章编号】1002-8498(2015)13-0102-03 ResearchonProtectionTechnologyofShieldMachine's ArticulationSealinWater-richStrata
(1.School of Civil Engineering and Architecture,Nanchang University,Nanchang,Jiangxi 330031,China; 2.China Railway 18 Bureau Group Co.,Ltd.,Tianjin 300222,China; 3.Zhongmei Engineering Group Lud.,Nanchang,Jiangxi 330001,China) Abstract:In order to protect articulation seal of shield tunneling machine from leaking in water-rich strata
principle of articulation seal and the reason that articulation seal loses effectiveness, the key protection technology of articulation seal is formed by optimizing the original equipment system,which improves reliability and availability of articulation seal. Key words: tunnels; subways; shields;water-rich strata; anti-leakage
0引言同步注浆压力可能会击穿铰接密封,造成泥水侵人 城市地铁施工中使用的盾构机直径D多为隧道的事故,提高铰接装置的可靠性及耐久性对确 6.25m(6.39m),相对应的隧道管片外径为6m保盾构施工安全有重要意义。
施工技术 2015年5月上 102 CONSTRUCTION TECHNOLOGY 第44卷第9期 D0I:10.7672/sgjs2015090102 富含水土层中深嵌硬质岩咬合桩施工技术与研究 程月红,张厚斌 (中亿丰建设集团股份有限公司,江苏苏州215131) [摘要]随着城市的密集建设,基坑围护越来越复杂,嵌岩咬合桩现阶段应用越来越多.对于岩石强度>60MPa且 要求人岩深度3m以上的桩,传统的技术无法满足施工要求.采用“全套管全回旋钻机小型潜孔锤”这一新工 法,解决富含水土层中高强度、深嵌岩咬合桩难点.实践证明,采用该技术可以保证施工质量,成桩质量高,咬合厚 度能够得到保证,不漏水,保证了基坑的整体性,降低了风险,取得良好的社会效益. [关键词]桩基础;嵌岩桩;小型潜孔锤;全套管全回旋钻机;富水土层;施工技术 [中图分类号]TU753.1 [文献标识码]A [文章编号]1002-8498(2015)09-0102-03 Construction Technology and Research of Secant Pile in Deep and Hard Rock in Water Rich Soil Cheng Yuehong Zhang Houbin (Zhongyifeng Construction Group Co.Ld.Suzhou Jiangsu 215131 China) Abstract:With the intensive construction of city foundation excavation is more and more plex and the rock socketed pile is used more widely at present.For the piles with rock strength more than 60MPa and rock socketed depth more than 3m the traditional technology can not meet the requirements of construction.The new construction method of full casing drilling rig and small DTH hammer is used to solve the difficulties of high strength deep socketed secant pile in water rich soil.The practice proves that using this technology can ensure the quality of construction with high quality of pile forming the occlusal thickness can be guaranteed without water leakage ensure the integrity of the foundation reduce risk and achieve good social benefits. Key words:piles;rock socketed pile;small DTH hammer;full casing drilling rig;water rich soil:construction 1工程概况 2)岩石强度高,岩石为花岗岩斑岩,岩石基本 “苏州索山公园地下开发项目”基坑围护工程,质量等级为I-Ⅲ级,岩石强度>60MPa. 待开发场地占地面积约22000m2 基坑西北侧采用 3)咬合桩人岩深度较深,桩端嵌岩深度为 1000@1200钻孔灌注桩作为竖向围护结构,桩长3~10m. L=24m 插入比为1.05;采用850的三轴搅拌桩作3机械设备和工艺选择 为止水结构,桩长L=23m.基坑东南侧、东侧由于 3.1机械设备对比选择 临近索山区域,围护结构端部嵌人基岩3~10m 常 1)冲击钻机适用于高地下水位,低强度岩 规搅拌桩止水帷幕无法在基岩中作业,采用900 石,桩端入岩深度为1~2m的情况.优点为造价 咬合灌注桩,桩长16~21m 插人比0.36~0.79. 低,机械简单,场地要求低.缺点为施工效率低、产 2工程难点 生大量泥浆,垂直度不能保证,咬合厚度不能保证. 1)本工程潜水埋深较浅,主要存在上部填土层 2)GPS-20机适用于高地下水位,低强度岩 中,富水性差,上部覆土厚度较大,上部土层为杂填 石,桩端入岩深度为1~2m的情况.优点为造价 土、淤泥土、素填土. 低.缺点为遇岩石陡坡或相邻桩初凝后,钻杆不稳 定,垂直度不...
施工技术 2011年1月 56 CONSTRUCTION TECHNOLOCY 第40卷第1期 奥运工程钢结构技术科技创新工作综述 侯兆欣 (中冶建筑研究总院有限公司国家钢结构工程技术研究中心,北京100088) [摘要]对2008年北京奥运工程钢结构技术科技创新工作进行综述.介绍了奥运钢结构工程的特点及科技创新 实施途径.从钢结构设计、制作、安装和检测、监测等方面介绍奥运科技创新成果和新技术.从高性能建筑钢材新 技术、钢结构建筑体系推广应用、钢结构工程技术推广及标准化工作等方面介绍奥运工程技术成果的推广应用. 奥运工程钢结构技术科技创新的总结和推广,对弘扬奥运工程建设创新精神、推动行业技术进步有积极意义. [关键词]奥运工程;钢结构;科技创新;工程示范;科学启示 [中图分类号]TU758.11 [文献标识码]A[文章编号]1002-8498(2011)01-0056-04 Steel Structure Technology Innovation Work of Olympic Projects Hou Zhaoxin Central Research Institute of Building and Construction MCC Group Bejing 100088 China) Abstract:Steel structure technology innovation work of 2008 Beijing Olympic projects is summarized. Characteristics of steel structure technology and implementation ways are introduced.New achievement and new technologies are introduced from design manufacture installation detection and monitoring of steel structure.Based on high performance construction steel steel building systems steel construction technology and standardization work popularization and application of Olympic projects technical achievements are expounded.Meanwhile it has positive significance for carrying forward Olympic spirit and accelerating technical progress. Key words:Olympic project;steel structure;science and technology innovation;engineering demonstration:scientific inspiration 举世瞩目的2008年北京奥运工程建设项目中,创新工作提供了创新的思路和示范经验,整体上提 有一大批建筑造型独特、结构体系新颖的现代钢结高了我国钢结构企业自主创新能力和核心竞争力, 构建筑,从而使钢结构工程成为奥运工程建设中最推动了建筑行业、钢铁行业以及与钢结构相关行业 重要的环节之一.在工程建设实施过程中,参建单的技术进步,同时拉动了国民经济增长. 位以...
【关键词】施工技术;混凝土;模板;支撑体系;预压方案;监测 [中图分类号】TU755.222【文献标识码】A[文章编号】1002-8498(2011)16-0033-03 Forms Supporting Technology of Beams and Slabs with Super-large SectioninDalianNorthRailwayStation Yang Zhiyan (Bejing Branch of China Railway Construction Engineering Group Co.,Ltd.,Beijing100070,China) Abstract;For the section size and supporting height of beams and slabs are very large,which belongs to high formwork support system,construction of reinforced concrete structure is difficult at Dalian North Railway Station in Harbin-Dalian Passenger Dedicated Line.Through paring with several construction schemes,ADG 60 supporting system is chosen. Construction design of ponents for the railway station is introduced,especially for underground gallery,the slabs of south and north station building and elevated waiting hall. The construction process and preloading test are introduced.Settlement and deformation of the structure meet with engineering requirements by monitoring strictly for support system. The result shows that construction requirement of support system is ensured. Key words:construction; concrete;forms; supporting system; preloading method; monitoring 1工程概况 哈大客运专线大连北站站房东西向453.40m, 南北向310.6m,檐口高33m,总建筑面积15.6万 m²,其中站房面积6.85万m²,包括南、北站房综合 楼、高架候车厅及地下出站通廊。
无站台柱雨篷面图1大连北站建筑效果 积7.3万m²,落客平台建筑面积1.45万m²。
按竖Fig.1Architectural effect of Dalian 向划分,从下至上分别为地下出站层、出站夹层、站North Railway Station 台层、高架候车层及商业夹层(见图1)。
2011年5月上 施工技术 第40卷第340期 CONSTRUCTION TECHNOLOGY 101 编者按:预应力技术是建筑业一直致力于推广应用的新技术,预应力技术从混凝土结构推广应用到 大跨空间钢结构代表了工程建设技术进步的一个方面.东南大学与中建股份有限公司和上海宝冶 建设集团公司等合作完成的《大跨空问钢结构预应力施工技术研究与应用》项目获得了2010年国 家科技进步二等奖,《施工技术》杂志将以连载方式系统介绍该项目研究成果,以读者. 大跨空间钢结构预应力施工技术研究与应用 ——大跨空间钢结构预应力技术发展与应用综述 郭正兴,罗斌 (东南大学土木工程学院,江苏南京210096) [摘要]近1年来,我国预应力钢结构在拉索材料、结构形式和施工技术方面都有了快速的发展,取得了令人注目 的技术进步.其中,拉索材料从钢绞线组装索和钢丝绳组装索,向高强钢丝束和钢拉杆等成品索发展,钢丝表面防 腐从镀锌处理到环氧喷涂和镀锌铝处理.结构形式包括张弦梁/桁架/网格、斜拉结构、预应力桁架、索桁架、索拱、 弦支弯顶、索网、索弯顶及多次杂交结构和特殊结构等.预应力钢结构施工,不仅仅是纯粹的制作、安装和张拉工 艺,而是系统性和全过程性的施工技术.具体体现在:分析和工艺的结合,节点、索头和张拉机具的结合,刚构和拉 索施工的结合,及从分析到制作、安装和张拉的全过程施工控制. [关键词]大跨空间锅结构;预应力;拉索;施工技术 [中图分类号]TU758.166 [文献标识码]A [文章编号]1002-8498(2011)09-0101-08 Research and Application of Long-span Space Steel Structure Prestress Construction Technology —Review on Development and Application of Long-span Space Steel Structure Prestress Technology Guo Zhengxing Luo Bin School of Ciuil Engineering Southeast University Nanjing Jiangsu 210096 China) Abstract:At recent ten years the cable material structure style and construction technology of prestressed steel structure have rapid development in China.The cable materials have high-strength steel tendon and steel tie rod as well as steel strand assembly cable and steel wire rope assembly cable.Anti- corrosion method of steel strand develops from zinc plating towards epoxy spraying and zinc-aluminum plating.The structure style of prestressed steel structure includes beam string /truss/grid structure stayed structure prestressed trus...
[关键词]体育馆;钢管桁架;监测;应力;变形 [中图分类号】TU323.4 【文献标识码】A [文章编号〕1002-8498(2015)02-0054-04 TheWholeProcessHealthMonitoringResearch onSite of Large-span Steel Truss Structure Wang Xiuli²,Ma Runtian'.2 (1.School of Civil Engineering,Lanzhou University of Technology,Lanzhou,Gansu730050,China; 2.Westem Center of Disaster Mitigation in Civil Engineering of Ministry of Education,Lanzhou,Gansu730050,China) Abstract;Large-span steel pipe truss has plex spatial forms, whose members interact. Taking Xining Haihu Gymnasium for example,the application of healthy monitoring technology in gymnasium construction based onfiberBragg grating sensor and the vibrating wire sensor is introduced.It expounds the position,monitoring measure,monitoring points arrangement of healthy monitoring.The monitoring data show that during construction,key members’ stresses are stable,and the internal forces are less than steel yield strength,which can meet design requirements.Meanwhile,each ring displacement monitoring data are stable,which is key evaluation index for Xining Haihu Gymnasium. Key words:gymnasiums; steel pipe truss;monitoring; stresses; deformation 大跨度空间钢管桁架结构广泛应用在各种大若不及时关注和控制,将会带来一定的质量缺陷, 型体育场馆、剧院、会议展览中心、机场候机楼等重严重时甚至会影响到整体结构”。
2014年1月下 施工技术 第43卷第2期 CONSTRUCTION TECHNOLOGY 35 D0I:10.7672/sgjs2014020035 大跨度采光棚钢屋架凌空50m安装技术* 苏建华,王家通2,张磊2 (1.广州建筑股份有限公司,广东广州510030;2.中建钢构有限公司,广东深圳518040) [摘要]广州市电视台新址工程采光棚钢屋架距离楼面近50m 钢屋架的安装过程没有搭设满堂脚手架或立柱式 胎架,其安装完全是在塔楼楼顶通过分段吊装的方法凌空作业完成.提出了采用梁式胎架支撑和三角斜撑等提高 钢结构安装精度的施工措施,介绍了钢桁架的分段吊装方法,给出了钢屋架在高空临边作业时的安全技术措施,并 且对施工过程钢桁架的变形进行了监测.实践证明,该施工技术能够节省措施费用和工期. [关键词]钢结构;屋面;采光棚;梁式胎架;三角斜撑;监测 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2014)02-0035-03 Installation Technology of the Large-span and 50 Meters Suspended Steel Roof Su Jianhua' Wang Jiatong2 Zhang Lei2 (1.Guangzhou Construction Engineering Co.Ltd.Guangzhou Guangdong 510030 China; 2.China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:The steel roof in new Guangzhou TV Station is 50 meters high from the floor.During the roof construction neither scaffolding nor column brace is used.It just assembles suspended by lifting segments.Then construction measures such as beam's strut and triangle's strut are put forward to increase the steel structure's assemble accuracy.And lifting methods of the heavy trusses are introduced. And technical safety measure during the roof's construction towards border and the monitoring of the truss's position are also introduced.It proves that the technology can save fee and time. Key words:steel structures;roofs;skylight;beam-style jig;triangle support;monitoring 1工程概况 体系,施工精度不易控制.如图1所示. 广州市电视台新址工程总建筑面积约30万2施工部暑 m2 包括1栋22层东塔楼,1栋22层西塔楼,2层裙 总体施工流程为:先将50m高的幕墙钢柱分成 楼和2层地下室,建筑总高度为97.75...
[关键词]建筑机械;塔式起重机;吊装;施工技术 [中图分类号]TH213.3 [文献标识码】A [文章编号〕1002-8498(2015)11-0020-02 ApplicationofLarge-spanMovableTowerCraneinHangzhou InternationalExpoCenterEngineering Shi Yong,Xia Guowei,Bai Jing,Dong Cheng (Fushun Yongmao Construction Machinery Co.,Lad.,Fushun,Liaoning113126,China) Abstract:Based on Hangzhou International Expo Center engineering,this paper introduces the construction difficulties and hoisting scheme selection for the engineering,summarizes the properties of large-span movable tower crane,introduces the application condition and advantages of large-span movable tower crane in construction of large steel structural engineering,which provides a new hoisting method as well as traditional hoisting method. Key words:construction equipment;tower cranes;hoists;construction 1工程概况 屋顶花园 杭州国际博览中心工程位于鹏起路与奔竞二 业C IV.V区 路交汇处,南临七甲河,西临钱塘江800m。
[关键词】钢结构;网架;螺栓球;临时支撑;稳定性 [中图分类号】TU758.1[文献标识码]A[文章编号]1002-8498(2016)02-0068-03 TheSafetyAnalysisofHighAltitudeAssemblingConstructionfor Large-spanSpace Truss withBoltBall Zhu Fang',Zhu Sizhen² (1.ChinaConstruction SixthEngineering Division Co.,Ld.Tianjin300451,China; 2.Sanmen Nuclear Power Co.,Ltd.,Taizhou,Zhejiang 317112, China) Abstract:According to engineering practice,for the diffculties of high altitude assembling construction and installtion precision, the safety analysis for space truss structure and temporary supports of high altitude assembling construction for large-span space truss with bolt ball was introduced in detail. Meanwhile, the stability checking for cross bar and pole of temporary supports was done,whose results could meet code requirements. Key words;steel structures; space truss;bolt ball;temporary supports;stability 1工程概况 本工程为某遗址展示厅钢网架工程,位于河南 省,网架为双层螺栓球网架,网架平面尺寸为63m× 67.5m,覆盖面积为4253m²,网架柱顶标高为 10.650m,总质量约330t。
原遗址建筑位于展示厅图1网架整体结构布置 内,全部被钢网架所覆盖,平面尺寸为25.6m×Fig.1The integral space truss arrangement 34.1m,原建筑屋顶标高为9.350m。
施工技术 2016年6月上 108 CONSTRUCTION TECHNOLOGY 第45卷第11期 D0I:10.7672/8js2016110108 大跨度空间钢结构楼面行走式塔式起重机施工技术 韩凌,蒋晓洪,周骁雄,孙鹏 (浙江精工钢结构集团有限公司,浙江绍兴312030) [摘要]介绍了楼面行走式塔式起重机轨道铺设和加固措施等施工过程中的几个关键技术.该技术的优点是可解 决大跨度空间结构吊装设备无法辐射位置的结构安装难题.结合以往大跨度空间项目楼面行走式塔式起重机的 工程应用实例,并通过某项目施工方案的探讨,充分体现了行走式塔式起重机在大跨度空间钢结构施工过程中的 优势.轨道设计中合理利用结构自身的传力特点,有效解决了轨道的铺设问题,减少了加固措施费用. [关键词]钢结构;塔式起重机;轨道设计;施工技术 [中图分类号]TU758.11;TH213.3 [文献标识码]A [文章编号]1002-8498(2016)11-0108-03 Construction Technology of Walking-type Tower Crane for Long-span Spatial Steel Structure Han Ling Jiang Xiaohong Zhou Xiaoxiong Sun Peng (Zhejiang Jinggong Steel Building Group Co.Ld.Shaoxing Zhejiang 312030 China) Abstract:This paper puts forward key technologies such as the track construction and the reinforcement measures in the walking-type tower crane construction technology for long-span steel structure.The advantages of the technology are to solve some problems:normal crane can't cover all construction areas in the long-span structure erection scheme.Combined with previous example of walking-type tower crane using in long-span structure construction and through the discussion of the construction scheme the schemes fully embody the superiority of the walking-type tower crane construction technology for long-span steel structure.The reasonable application of the structure itself force transfer characteristics to design the crane track effectively solves the problem of the track construction reduces the reinforcement measure cost. Key words:steel struct...
施工技术 2014年5月上 74 CONSTRUCTION TECHNOLOGY 第43卷第9期 D0I:10.7672/sjs2014090074 大跨度环形空间索结构施工成型方法研究* 周丽君,梁存之,冯大斌 (中国建筑科学研究院建筑结构研究所,北京100013) [摘要]大跨度环形空间索结构是一种新型结构,具有轻质、高效、自平衡性等优点.对结构特点进行分析,根据结 构拓扑构成对结构进行分类;在此基础上,分析了不同结构拓扑形式下预应力的各种建立方式,并结合结构初始状 态下的索力分布、施工便捷性、经济性等指出各种成型方式的优缺点,提出了相应合理的结构成型方式.最后,给 出结构张拉成型方式的具体工程应用. [关键词]索结构;空间结构;自平衡性;拓扑;张拉 [中图分类号]TU399 [文献标识码]A [文章编号]1002-8498(2014)09-0074-07 Research on Construction Methods of Large-span Annular Cable Structures Zhou Lijun Liang Cunzhi Feng Dabin Institute of Building Structures of China Academy of Building Research Beijing 100013 China) Abstract:Large-span annular cable structure is a new type of structure which has advantages such as lightness effectiveness and self-equilibrium.The structure is analyzed by its features and classified by topology.Based on this a few methods on building prestressing forces under different structure topologies are analyzed.The merits and drawbacks of different methods are pointed out after considering the cable force distribution under the original statement of the structure construction convenience and economical efficiency.And the proper methods are put forward.Finally specific project applications of the methods on structure shape-forming are listed. Key words:cables;spatial structures;self-equilibrium;topology;tension 0引言 在国内体育场中也开始采用这种结构形式,如佛山 张拉结构因轻质、高效而在空间结构中备受青 世纪莲体育场2、深圳宝安体育场等.因该结构在 睐,但也存在着结构成型难度大、建筑平面适应性 国内应用时间较短,目前对其研究甚少尤其是对结 不强等问题.在体育场建筑中,因建筑需要,中间 构成型研究更少.本文对其结构特点、拓扑构成进 常为大开孔,且结构要求跨度很大,因此长期...
施工技术 2017年6月上 98 CONSTRUCTION TECHNOLOGY 第46卷第11期 D01:10.7672/sgjs2017110098 大跨度地下工程建设技术发展综述 卞少帅12,杜青3,谭跃虎,李二兵 (1.解放军理工大学国防工程学院,江苏南京210007;2.中国建筑第八工程局有限公司钢结构工程公司, 上海200125:3.中国人民解放军73670部队.江苏南京210042) [摘要]随着地下工程建设技术的迅猛发展,为了更好地满足逐日递增的空间条件和交通流量,大断面、大跨度形 式的地下工程逐日增多,对地下工程的设计、施工的要求逐渐增高.通过对国内外大跨度地下工程的设计和施工 方法的研究,总结现有工程在修建上的方法、经验和存在的问题,重点探讨大跨度地下工程未来的发展趋势. [关键词]地下工程;大跨度;工程设计;施工技术 [中图分类号]TU94 [文献标识码]A [文章编号]1002-8498(2017)11-0098-07 Construction Technology Development of Large-span Underground Engineering BIAN Shaoshuai.2 DU Qing TAN Yuehu' LI Erbing (1.College of Defense Engineering PLA Unirersity of Science and Technology Nanjing Jiangsu 210007 China; 2.Steel Structure Engineering Company of China Construction Eighth Engineering Dirision Co. Lid. Shanghai 200125 China;3.73670 Unit of PLA Nanjing Jiangsu 210042 China) Abstract:With the rapid development of the construction technology of underground engineering in order to meet the growing space conditions and traffic flow the number of large-section and large-span underground engineering is increasing higher requirements are put forward for design and construction of underground engineering.Through the research on the design and construction method of large-span underground engineering at home and abroad the experience and methods and the existing problems in the construction of these projects are summarized the development trend of large-span underground engineering in the future is focused. Key words:underground buildings;large sp...
[关键词]钢结构;网壳;螺栓球;节点;安装 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2014)20-0080-03 InstallationTechnologyofSpaceTrusswithLarge-span VariableCross-sectionBoltBallJoints Wang Changwei (China Shanxi Sijian Group Co.,Ltd.,Taiyuan,Shanxi 030024,China) Abstract:The traditional assembly at high altitude for bolt ball space truss should set many scaffolds, whichhashighcostandslowconstructionspeed.Andintegralhoistinghashighrequirementsforfieldand machines.So bining with engineering characteristics,the segment lifting bined with assembly at high altitude was applied for large-span bolt ball joint space truss. Meanwhile, simulation and stress monitoring technology were used to simulate and monitor the temporary supports,deflection monitoring points and unloading sequence etc. Key words;steel structures; shells;bolt balls; joints;installation 1工程概况 山西省武乡县马堡煤业储煤场项目位于武乡 县马堡煤业有限公司生产区,建筑面积 1区 Ⅱ区 川区 V区 31648.00m。
2016年7月上 施工技术 第45卷第13期 CONSTRUCTION TECHNOLOGY D0I:10.7672/5j52016130001 大跨度双曲面拉索式异形镂空天花铝板施工关键技术 孙晓阳 (中国建筑第八工程局有限公司总承包公司,上海200135) [摘要]南京牛首山佛顶宫屋面采用大跨度铝合金穹顶结构体系,穹顶下采用大跨度双曲面拉索式异形树影状镂 空天花铝板工艺技术,具有跨度大、超高、构件复杂、制作安装难等特点,详细介绍了施工过程中采用的关键技术, 不仅有效解决了大跨度双曲面拉索式镂空天花铝板安装的施工难题,在美观度、耗能节源、生产成本等方面也体现 了优异性能. [关键词]铝合金结构;钢结构;天花板;镂空铝板;桁架;施工技术 [中图分类号]TU745.2 [文献标识码]A [文章编号]1002-8498(2016)13-0001-05 Construction Technology of Large-span Hyperbolic Surface Cable-type Special Shaped Hollow Aluminum Plate Sun Xiaoyang General Contract Engineering Company China Construction Eighth Engineering Dirision Co.Lad.Shanghai 200135 China) Abstract:The Buddha Palace roof used large-span aluminum alloy dome structure large-span hyperbolic surface cable-type special shaped hollow aluminum plate was used.It has characteristics as large span high altitude plex ponent difficult in installation.This paper mainly introduced the key construction technologies which solved the installation problems and has good effect in artistic energy saving and construction cost. Key words:aluminum structure;steel structures;ceiling;hollow plate;truss;construction 1工程概况 光膜为9000m2 通过法向拉杆、斜拉索和铝板拼花 随着经济的快速发展,对建筑工程装饰装修的 单元之间形成稳定的体系,体现宗教娑罗树下树影 效果和要求越来越高,各种装修新型材料、新工艺 斑驳的元素和寓意,具有跨度大(130m)、超高(净高 也日趋增多.镂空作为一种雕刻艺术,越来越多的 44m)、构件复杂(尺寸和镂空花纹无重复)、制作安 建筑设计将其融入建筑装饰上,通过不同图案、大 装难(相交复杂、无规律)等特点,目前国内外未见 小疏密的孔型变化搭配使物面产生动感,结合不同 报道,施工中的难度相当大,如图1所示. 的构造及外形环境进行异形处理,使得线条更为明 快、飘逸,突破传统造型概念,产生无穷无尽的思维 空间.作为一种实用又美观的新型装饰形式,目前 已日趋成为异形空间的表现形式之一. 上原45厚S03031257150-...
[关键词]安装工程;单层菱形编织网格墙;H型钢转换梁;支撑 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2015)12-0126-04 Installation ofLarge-spanSingleDiamondWeave SteelGridWall Zhu Hongbing,Shentu Huihong,Liu Ben,Yi Yong,Zhong Guangjian (China Construetion Steel Structure Co.,Ld.,Shenzhen,Guangdong 518040,China) Abstract:The height of single diamond weave steel grid wall of Fuzhou Strait Olympic Sports Center Stadium is 39.7 m and the outer inclined angle is 60 degrees, with the largest span of 20 meter truss, the method of accumulation by layer is adopted in the installation. For the design of the temporary support, the structure system with horizontal pull method is applied,H-shaped steel transfer beam is set along with the periphery of full-length structure,and the force points of rods are mapped to the both sides of H- shaped steel flanges to solve the constrained problem of force origin.The construction is simple, safe and reliable, and has a little effect on the structure. Key words:installation;single diamond weave steel grid wall; H-shaped steel transfer beam; supports 0引言 整体钢结构每个“X”形重约20t,向外水平力约 福州海峡奥林匹克体育中心体育馆项目采取 120kN。
[关键词]钢结构;屋顶;采光屋顶;钢拱;安装;焊接 [中图分类号】TU745.2【文献标识码】A[文章编号]1002-8498(2014)13-0130-03 ConstructionTechnologyofLarge-spanPolyhedral LightingRoof SupportedwithSuperRigiditySteelArch Hu Longwei, Tian Li², Zhao Tiejun² (1.Schoolof Management,Qingdao TechnologicalUniversity,Qingdao,Shandong 266033,China; 2.Schoolof CivilEngineering,Qingdao TecnologicalUniversity,Qingdao,Shandong266033,China) Abstract:The lighting roof can connect the traffic and public space of underground and ground part together in large public buildings.However,the construction technology of such polyhedral thermo- Through the investigation on the construction technique of some project, difculties that often encountered during the erection were solved,, such as installation and uninstall quality of the irregular lighting roof based on this engineering. Key words:steel structures; roofs; lighting roof;steel arch;installation; welding 1工程概况长36.1m,东西长29.6m,立体是钻石型多面棱锥 某生态园位于青岛市西海岸经济新区,是山东体,如图1所示,钢结构的支撑点分别在不同标高的 半岛蓝色经济发展战略的重要组成部分,计划用10型钢混凝土柱上。
施工技术 2015年9月下 114 CONSTRUCTION TECHNOLOGY 第44卷第18期 D01:10.7672/sjs2015180114 大直径钢波纹管涵在多雨山区不均匀 沉降地基中的质量控制 郭志超,光明,李红 (中交一公局第一工程有限公司,北京102205) [摘要]结合湖北省麻武(穴)高速公路工程实例,通过对大直径钢波纹管涵的受力性能、地基明显不均匀沉降情况 下的钢波纹管涵受力性能、波纹管端头位置受力性能以及相应质量控制措施等问题进行研究,从地基处理、管道拼 接、材料质量、台背压实、帽梁浇筑、进洞口截水墙等方面做好各个关键细节施工工艺的控制,总结了钢波纹管涵在 多雨山区中不均匀沉降路基中应用的特点,为钢波纹设计规范提供建议,同时也为钢波纹管在类似地形条件下的 施工提供施工经验. [关键词]公路工程;钢波纹管;沉降;质量控制 [中图分类号]U412.36 [文献标识码]A [文章编号]1002-8498(2015)18-0114-03 Uneven Settlement Quality Control of Large-diameter Steel Bellows in the Rainy Mountainous Region Guo Zhichao Guang Ming Li Hong (No.1 Engineering Co.Ltd.of FHEC of CCCC Beijing 102205 China) Abstract:Based on the highway engineering from Macheng to Wuxue in Hubei province the steel bellows mechanical properties under the condition of foundation extremely uneven settlement was analyzed especially the force performance of the end of steel bellows and the quality control measures of those problem are also put forward.Keep eyes on the key details of construction technology from foundation treatment pipe splicing material quality paction of both side of the abutment abutment cap pouring the cutoff wall of entrance and so on which is directly connect with the quality of engineering.The characteristics of steel bellows applied in uneven settlement foundation in rainy area were summarized some improvement suggestions for design codes were taken out the construction experience can be used in other engineering with similar environment condition. Key words:...