[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。
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。
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:...
2012年9月下 施工技术 第41卷第373期 CONSTRUCTION TECHNOLOGY 109 大直径碎石桩软土成桩工艺研究 张蓓1,杨晓杰2,刘洋2,马骄2,田弋弘2,李少华2 (1.上海建峰取业技术学晓土木系,上海201900;2.中国矿业大学(北京)力学与建筑工程学院,北京100083) [摘要]采用振冲法和沉管法在低强度软土中施工大直径碎石桩,得到两种工法的施工控制参数,并对碎石桩桩身 进行超重型动力触探检测.结果表明,振冲法和沉管法均可在不固结不排水强度小于15kPa的软土中成桩,振冲 法施工碎石桩密实度高,均匀性较差,成桩长度不宜大于10,沉管法施工碎石桩密实度较高,均匀性较好,成桩长 度可达14~15m. [关键词]地下工程:柱基础:碎石柱;振冲法;沉管法;动力触探试验 [中图分类号]TU753.1;TU447 [文献标识码]A [文章编号]1002-8498(2012)18-0109-04 Construction Technology of Large-diameter Gravel Piles in Soft Soil Zhang Bei' Yang Xiaojie2 Liu Yang2 Ma Jiao2.Tian Yihong? Li Shaohua2 (1.Civil Engineering Department Shanghai Jianfeng College of Career Technology Shanghai 201900 China; 2.School of Mechanics Cisil Engineering China University of Mining Technology Beijing 100083 China) Abstract:Based on constructing gravel piles in soft soil the controlling parameters of vibroflotation piles and sinking pipe piles are obtained.The quality of piles are tested with dynamic penetration tests.The test results show that both the two kind piles can be formed in soft soil with less than 15kPa un- consolidation and undrained strength.Both of the two kinds of gravel plies have high density.The uniformity of vibroflotation gravel piles is poorer than piles constructed with sinking pipe method and the length of vibroflotation gravel plies should not be longer than 10m.However the length of vibroflotation gravel plies can reach 14-15m. Key words:underground;piles;gravel piles;vibroflotation method;sinking pipe method;dynamic penetr...
2013年7月上 施工技术 第42卷第13期 CONSTRUCTION TECHNOLOGY 33 D01:10.7672/sgjs2013130033 大直径圆形钢板桩围堰施工技术 李仁民,刘伟2,陈晓凤1 (1.东南大学岩土工程研究所,江苏南京210096;2.中交三公局第二工程有限公司,北京100006) [摘要]钢板桩围堰由于施工周期短、综合成本低等特点,越来越多的深水基础开始采用.徐明高速淮河特大桥2 号承台为直径26.0m的圆形承台,采用圆形钢板桩围堰.结合该工程实例介绍了钢板桩的打拔、腰梁安装、钢板桩 锁口漏水处理、硬黏土层湿挖、封底混凝土浇筑等大直径圆形钢板桩围堰施工成套技术. [关键词]桥梁工程;承台;钢板桩;围堰;施工技术 [中图分类号]U443.1 [文献标识码]A [文章编号]1002-8498(2013)13-0033-05 Construction Technology of Large-diameter Circular Steel Sheet Pile Cofferdam Li Renmin' Liu Wei Chen Xiaofeng' (1.Institute of Geotechnical Engineering of SEU Nanjing Jiangsu 210096 China: 2.The Second Engineering Co.Lad.of the CCCC Third Highway Engineering Co.Lid.Beijing 100006 China) Abstract:Because of short construction period and low cost steel sheet pile cofferdam are more and more applied in deep-water foundations.The round pile cap of Xuzhou-Mingguang Highway Huaihe River Bridge No.20 pile cap has diameter of 26.0m using a circular steel sheet pile cofferdam.Combined with the engineering practice this paper introduces the construction of the steel sheet pile installation of cofferdam leakage treatment of locking steel sheet pile pouring of the back cover of concrete and other plete sets of technology for large-diameter circular steel sheet pile cofferdam. Key words:bridges;pile cap;steel sheet pile;cofferdam;construction 目前水中承台施工可以采用双壁钢围堰、锁口度达16.9m(封底混凝土3.0m).经过方案比选确 钢套箱、双排钢板桩围堰和钢板桩围堰等方案.例定承台基坑开挖采用无内支撑的圆形钢板桩围堰, 如钱江四桥[11、七浦塘大桥2、襄樊汉江五桥[3等围堰直径为31.64m 钢板桩桩长为27m 坑内没有 围堰均采用双壁钢围堰方案;青岛海湾大桥、集设置水平内支...
施工技术 2011年1月 28 CONSTRUCTION TECHNOLOGY 第40卷第2期 大明宫丹凤门遗址保护展示工程钢结构施工技术 马哲刚,简文华,邵建明,周保平 (中建就股份有限公司,北京100037) []丹凤门遗丝保护展示工程主体采用大跨度门式刚架局部粮案夹层的结构形式,以实现利用大跨度展厅对 址皮文新进种原位展示的功能.对造址保护的需及仿古建筑的特点,介造址在施工期间的原保护方 法.对仿古建筑中斜设里的铜构件地脚栓的馆设方法、件的领团定施、超高瓶面大跨度铜构件的容 梨方法及钢构件吊装流水技术等进行阐. [关键词]钢构:份古建就:遗保护:大跨度 [中分类暑]TU754.2 [文献标识弱]A [交章编号]1002-8498(2011)02-0028-03 Construction Technology on Steel Project in Danfeng Gate Display of Daming Palace Ruins Park Ma Zhegang Jian Wenhua Shao Jianming Zhou Baoping (China State Construction Engineering Co.Lad.Beijing 100037 China) Abstract:The large-span portal steel framework with local frame of sandwich structure is adopted in main body of Danfeng Gate display project which can utilize large-span show room for acplishing the function of ruins returned normal position.It focuses on the requirement of ruins protection and characteristics.Besides the method of normal position protection embed method of anchor bolt for steel structure slope fixed measures of steel-member installation of large-span steel member with super high section and steel member hoisting flow eonstruetion technology are discussed. Key words:steel structure:archaized architecture:site protection:large span 1工程概况 2工程特点及雅点 丹凤门遗保护展示工程是在唐朝皇家客 1)丹凤门为大型仿古建筑,为满足仿古建筑造 殿—一大明富的正南门(即丹凤门)的原址上进行型要求,主体钢柱均采用倾斜设置,单根钢柱长约 复原建造的份古建筑,该工程由主城棒和位于城楼15.6m 重约191,倾角15°,在施工过程中空南定位 两侧的城墙组成,其主体为门式刚架结构.其中主 难度大(见图1). 城楼设计为3层,1层主要为对原遗检发屈后进行 原位展示,2展为参观通廊,3层为多功能大厅,建筑 总高33.440m工程东西长213m 南北宽39.4m 两侧城楼内部为管理用房.工程总建筑面积 11474.2m2. ...
2014年4月下 施工技术 第43卷第8期 CONSTRUCTION TECHNOLOGY 41 D0I:10.7672/5j52014080041 大截面穿结构梁多段钢拉杆施工与监测技术 梁恒越,梁红玉,邓飞,刘健博 (中建一局钢结构工程有限公司,北京100000) [摘要]南京苏宁易购总部基地项目A区悬挑结构采用3根UU650型d200mm钢拉杆进行拉接,结合以往钢拉杆 施工经验及钢拉杆的生产能力,确定钢拉杆加工形式、连接节点,采用“让钢拉杆提前参与受力,结构荷载逐级缓 慢加载”的施工方法,免除张拉步骤、过程监测,最终完成施工. [关键词]钢结构;钢拉杆;穿结构梁;加载;过程监测 [中图分类号]TU757.3 [文献标识码]A [文章编号]1002-8498(2014)08-0041-05 Construction and Monitoring Technology for Steel Tensioning Rod Through Large-section Structure Beam Liang Hengyue Liang Hongyu Deng Fei Liu Jianbo China Construction First Division Steel Structure Engineering Co.Ltd.Beijing 100000 China) Abstract:The area A cantilever structure in Nanjing Suning Yigou Headquarter project connects the main steel structure by three UU650-type 200mm steel tensioning rods.Combing with construction experience and production capacity of steel tensioning rods the production form and connection joint for steel tensioning rod are determined.Taking a construction method of steel tensioning rod loading in advance structure loading gradually and slowly with process monitoring can avoid tensioning steps to plete construction finally. Key words:steel structures;steel tensioning rod;through structure beam;loading;process monitoring 1工程概况 南京苏宁易购总部基地项目A区悬挑钢结构 钢拉杆穿 由劲性结构和大型多层悬挑钢结构共同组成,其中 结构梁 设置 悬挑结构范围内地下2层,地上6层,最大悬挑长度 为18.423m 底面距离地面10.65m 最大檐高 30.227m 最大悬挑层数为4层,悬挑结构建成后整 体荷载约24000kN 钢材型号为Q460GJ且最大板 厚100mm 整体采用3根UU650型d200mm的钢拉 杆拉接.此种型号钢拉杆为国内现有最大截面钢 拉杆,且首次在建筑中穿结构梁应用,钢结构的安 10.65m 装精度比同级钢结构要求高,且此施工为各大工程 局首例,施工难度大...
2010年6月 施工技术 第39卷第6期 CONSTRUCTION TECHNOLOGY 59 大型钢箱梁焊接工艺及变形控制 米凯华1,欧阳运华2 (1.武警水电第二总队八支队,福建厦门361009;2.武拳水电第二总队,江西南器330096) [摘要]基于潮州供水枢纽工程闸坝事故,分析焊接原理,介绍检修门箱形钢梁焊接工艺,包括下料、单件制作、拼 装等.并对方便快捷的新型焊接工艺优缺点进行分析,提出控制箱梁变形和变形矫正的措施,有效解决了箱梁焊 接变形控制问题.结果表明,该焊接工艺提高了箱梁制作速度,保证了箱梁制作质量和施工安全. [关键词]焊接工艺;变形控制;箱梁 [中图分类号]TV73 [文献标识码]A [文章编号]1002-8498(2010)06-0059-02 Welding Technology and Deformation Control of Large Steel Box Girder Mi Kaihua' Ouyang Yunhua2 (1.No.8 Detachment No.2 Hydropowver Force of Armed Police Xiamen Fujian 361009 China; 2.No.2 Hydropower Force of Armed Police Nanchang Jiangxi 330096 China) Abstract:Based on the accident of water-supply hub dam in Chaozhou the welding principles are analyzed.The welding technologies of steel box girder in maintenance gate are introduced such as cutting production of single member assembly and so on.Besides advantages and disadvantages of new convenient welding technology are analyzed.Measures are put forward to control and rectify the deformation of box girder which can effectively solve the control on welding deformation of box girder. The results show that the welding technology can speed up the production of box girder furthermore quality and construction safety of box girder are ensured. Key words:welding technology;deformation control;box girder 在水工钢结构及建筑钢结构中,箱梁是应用较为上,同时为避免构件因焊接收缩变形而影响最终外形 普遍的钢结构形式.大型箱梁往往设计为重型结构尺寸,下料时板料长度增加2mm余量. 件,其外形尺寸大,强度较高,稳定性好,是承担外部荷 箱梁焊缝坡口形式设计中,在保证焊接质量的前 载的主要部件,但同时箱梁尺寸精度要求高. 提下,选用焊缝填充金属少的坡口形式对减小焊接收 1工程概况 缩变形有利.此次选择翼板、腹...
2017年6月下 施工技术 第46卷第12期 CONSTRUCTION TECHNOLOGY 71 D0I:10.7672/8js2017120071 大型莲花旋转升降宗教剧场舞台施工关键技术 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]南京牛首山佛顶宫大型莲花全自动升降旋转舞台工艺设计和机械设备的配置满足了宗教剧场的演绎要 求,同时兼顾其他类型的演出.其舞台的成型工艺、空间定位及安装过程复杂.工程中所使用的钢丝绳传动升降 舞台、舞台环吊装置、舞台专用低噪声卷扬机、莲花瓣同步升降控制系统、水舞台不锈钢板无渗拼接技术、效果处理 等技术,提升了专业宗教剧场舞台设计和施工水平. [关键词]旋转提升:钢结构:安装:施工技术 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2017)12-0071-05 Construction Technology of Large Lotus Rotary Lifting Religious Theatre Stage SUN Xiaoyang General Contract Engineering Company China Construction Eighth Engineering Division Co.Ltd.Shanghai 200135 China) Abstract:Large lotus rotary lifting stage design and equipment configuring of Buddha Palace can meet the requirement of religious theatre and other shows.The molding technology location and installation process are plex.The key technologies such as wire rope transmission lifting stage stage ring hanging device low noise winch lotus synchronous lifting control system stainless steel plate seamless splicing technology effect treatment etc are applied in the engineering which improve the design and construction technology of religious theatre stage. Key words:rotary lifting;steel structures;installation;construction 1工程概况 械中无处不体现着佛教文化.莲花机械舞台直径 近年来,随着国家经济的持续发展、人们物质长达38,整个机械舞台可以升降、旋转、打开、合 生活水平的不断提高,旅游业发展迅速,以宗教文 拢,属于专业定制的宗教演艺舞台,舞台的成型工 化为主题的朝圣和旅游场所受到越来越多人的欢 艺、空间定位及安装过程复杂,是创新科技和艺术 迎,传统文化(儒、释、道、休闲文化)与旅游文化相 文化的智慧结晶.如图1所示. 结合的场所建设成为一种特色.作为宗教场所重 要功能设备的专业化剧场舞台,需要满足演出、会 议、展览等多种功能;不断复杂化、智能化、异形化、 大型化,也给施工技术的创新与...
[关键词]隧道工程;沉管法;连接段;端钢壳;混凝土支撑;防水 [中图分类号]TU7;U455 [文献标识码]A [文章编号〕1002-8498(2012)18-0113-04 KeyConstructionTechnologyofMainStructureforConnection SegmentinLargeImmersedTunnel (China Railway Eighteen Bureau Group Fise Company, Tianjin 300456, China) Abstract;Immersed method is adopted in construction of Haihe River Tunnel of Central Road in Binhai New Area, Tianjin.The connection section of the immersed tunnel is the main connection section for the immersed tube in the water and the land. Thus the foundation excavation is constructed in soft soil adjacent to river with large depth. Moreover the construction includes tube sections undocking, supports demolition and steel coffrdam construction, as well as the final joint construction and the supports re- installation. Key construction technology of main structure for connection segment in large immersed tunnel is researched to solve the dificulties of PC cables, end steel shell and end waterproof sealing doors in limit space of foundation excavation with several supports. The mentioned technology ensures construction quality and safety of the main structure. Key words:tunnels;immersed method;connection segments; end steel shells; concrete supports; waterproofing 天津市滨海新区中央大道海河隧道工程为天 3层结构,其中地下3层为行车通道,为“两孔三管 津市重点工程,属于城市主要干道,工程全长 廊”形式,地下2层主要为综合管廊、市政管线和设 4.2km,其中穿越海河255m,采用沉管工艺施工。
[关键词】隧道工程;沉管法;暗埋段;防水;施工缝;变形缝 【中图分类号】TU7:U455[文献标识码]A[文章编号】1002-8498(2012)18-0121-04 WaterproofingTechnologyofMainStructureforBuried Segment of LargeImmersed Tunnel Xiao Ganggang (ChinaRaiway EigheenBureu Group FieComany,Tianjin300456,China) Abstract: Waterproofing of underground engineering has been a topic of concern and it is the mon quality defects points in operation. Based on the construction of Haihe River Tunnel of Central Road in Binhai New Area, Tianjin, which is the first tunnel in high seismic intensity zone of China, the waterproofing design and construction for key joints are summed and researched including construction joints,deformation joints,surrounding structure crossing waterproofing layers and main structure wrapping waterproofing membrane. Key words:tunnels; immersed method; buried segment; waterproofing; construction joints; deformation joints
天津市中央大道海河隧道为天津市重点工程,2355m,施工规模大,防水施工意义重大,其暗埋段 属于城市主要干道,工程全长4.2km,其中穿越海河主体结构防水横断面如图1所示。