2017年7月下 施工技术 第46卷第14期 CONSTRUCTION TECHNOLOGY 83 D0I:10.7672/5js2017140083 某展览馆异形复杂管桁架钢结构施工关键技术 温纯厚 (甘肃省建设投资(控股)集团总公司,甘肃兰州730030) [摘要]某展览馆为大型异形管桁架结构.为达到屋面波浪建筑效果,屋面钢结构形式多样,起伏高差较大.采用 的满堂脚手架高空散拼焊接的安装施工为本工程的难点,尤其是相贯线切割面在高空散拼中易产生误差,需要现 场进行二次调整.通过强化管理,满足了业主及设计对异形管桁架钢结构的质量及工艺要求. [关键词]钢结构;桁架;变形:拼装;焊接;施工技术 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2017)14-0083-04 Key Technology of Steel Structure Construction of Special-shaped Complex Pipe Truss in an Exhibition Hall WEN Chunhou Gansu Construction Investment holding)Group General Corporation Lanzhou Gansu 730030 China) Abstract:An exhibition hall is a large special-shaped pipe truss structure.In order to achieve the effect of roofing wave construction the roof steel structure is varied and the fluctuation height difference is great. It is difficult to install and construct the full scale scaffold with high strength and loose welding especially the intersecting line cutting surface is prone to error in high altitude spelling the second adjustments are required on site.By strengthening the management the quality and process requirements of the steel structure of the special-shaped pipe truss are satisfied for the owner and the design. Key words:steel structures;trusses;deformation;assembly;welding;construction 1工程概况 2工程难点及特点 甘肃省庆阳市城市规划,科技展览馆位于世纪 2.1无法采用整体顶升和多点支撑高空拼装技术 大道西侧,民俗博物馆东侧,占地1.33hm2.工程整 本工程属于大跨度异形管桁架屋盖钢结构工 体设计为流线形长方体,由多条不同弧度不同高度 程,工程8条主轴线为8道主桁架,每道主桁架造型 的流线形长方体组成,寓意庆阳未来发展一浪高过 都不一致,形体变形幅度较大,空间形体复杂,各支 一浪,整体形状看似舞动的绸缎,层次丰富,新颖别 点标高不一致,故...
2015年2月上 施工技术 第44卷第3期 CONSTRUCTION TECHNOLOGY 107 D0I:10.7672/5j52015030107 某屋面渗漏维修技术 赵刚1,邓军生2 (1.重庆华姿建筑工程有限公司,重庆400030;2.中国航空港建设第二工程总队,江苏徐州221005) [摘要]结合某工程屋面渗漏处理的实际案例,从该屋面渗漏现象、工程原设计、实际施工状况人手,逐层查找屋面 渗漏的原因,然后分别确定处理办法,对工程原状存在的渗漏隐患和构造上的不足进行了改进处理,强调工程渗漏 问题要以预防为主,具体处理时要细致周到,尽量彻底解决问题,并为今后的维修创造条件. [关键词]防水工程:屋面;渗漏;维修 [中图分类号]TU765 [文献标识码]A [文章编号]1002-8498(2015)03-0107-03 Leakage Repairing Technology of a Roof Zhao Gang' Deng Junsheng (1.Chongqing Huazi Construction Engineering Co.Lad.Chongging 400030 China; 2.China No.2 Airport Construction Engineering Unit Xuzhou Jiangsu 221005 China) Abstract:Based on the actual case of leakage treatment of a roof this paper analyzes the reasons of roof leakage from the roof leakage phenomenon the original project design and actual construction condition. Then it determines the treatment measures and improves the defects in engineering structures.Moreover it emphasizes that the leakage problem of engineering should be mainly solved by prevention however dealing with practical problems should be carefully and solve the problem thoroughly to create the conditions for the future repairing. Key words:waterproofing;roofs;leakage;repair 2014年5 6月份重庆地区与往年同期相比降是建筑外墙,墙的另一侧是室外露台,在竣工档案 雨量较大,降雨天数也较多,对很多已经竣工投入 中查到另有变更,增加屋面梁板将室外露台变成了 使用的房屋抗渗能力提出了巨大考验.最近受委 一间储藏室.鉴于竣工档案的参考价值不大,确定 托,笔者对已经竣工交付使用的一栋建筑屋面渗漏 渗漏原因只能从渗漏现场入手. 问题做原因分析并提出维修建议. 刨开屋面种植土,发现渗漏部位实际是原设计 1工程概况 外墙与屋面的交接部位,后因设计变更扩大了该楼 该工程于2012年9月竣工,是一栋15层商业 层的平面范围,增加钢筋混凝土结构板作为屋面板 建筑,目前正在使用中,屋面渗漏水发生在工程质 与原屋面边梁相连,使得原来...
施工技术 2013年8月下 34 CONSTRUCTION TECHNOLOGY 第42卷第16期 D0I:10.7672/sgjs2013160034 某小学教学楼加固改造 卢明,商冬凡2,曾黄荣3 (1.河北建研科技有限公司,河北石家庄050021;2.河北省建筑科学研究院,河北石家庄050021; 3.河北建研工程技术有限公司,河北石家庄050021) [摘要]结合工程实例,阐述了对农村校舍建筑进行抗震鉴定的基本思路,在进行抗震鉴定的同时进行安全性鉴 定,对鉴定结果中不符合规范要求的部分进行针对性的加固设计.结合抗震鉴定结果和加固设计方案,详细介绍 了该教学楼的抗震加固和安全性加固措施及施工关键技术.该工程经加固施工后已使用两年,结构使用状况 良好. [关键词]加固;抗震;鉴定;安全性 [中图分类号]TU352 [文献标识码]A [文章编号]1002-8498(2013)16-0034-03 Strengthening Design of a Teaching Building in Primary School Lu Ming' Shang Dongfan? Zeng Huangrong' (1.Hebei Architectural Research Ltd.Shijiazhuang Hebei 050021 China; 2.Hebei Institute of Building Science Shijiazhuang Hebei 050021 China; 3.Hebei Architectural Research Engineering Technology Ltd.Shijiazhuang Hebei 050021 China) Abstract:Based on engineering projects the paper elaborated the basic ideas of seismic evaluation on the rural school buildings.Seismic evaluation and safety appraisal worked on simultaneously and the interrelated reinforcement design was proposed for the results which do not meet the specifications. Combined with the seismic evaluation and strengthening design the key technologies of seismic and safety strengthening measures are introduced in detail.The results show that the structure has been used in good condition for two years after reinforcement construction. Key words:strengthening;seismic;evaluation;safety 在“校安工程”实施过程中,通过对邯郸市各区 北 Q (县)的中小学校舍进行排查发现,其农村现有的中 360 800 9000×3 D 小学校舍多建于20世纪70一90年代,结构形式多 010000 采用多层砌体结构,且为了满足使用要求,多采用 大开间、大窗户、单跨且外跨走廊,这就造...
2014年11月下 施工技术 第43卷第22期 CONSTRUCTION TECHNOLOGY 91 D0I:10.7672/5j52014220091 某宿舍楼接建设计与施工 李志通,袁晓文,姜波 (石家庄铁路职业技术学院,河北石家庄050041) [摘要]某宿舍楼进行接建改造,将南面凹阳台改为卧室.设计中加强新旧结构之间的连接,由于紧邻其他建筑, 施工场地狭小等因素,要求接建工程基础埋深浅于原基础,落在素填土上,采用素混凝土桩进行地基处理.采用降 低基底附加应力、适当提高复合地基承载力等措施减小接建工程的沉降量、不均匀沉降,取得了良好的效果.接建 工程需要设计人员充分了解原建筑状况,同时考虑施工的可行性进行设计. [关键词]接建工程;设计;施工;刚性桩;地基处理;连接 [中图分类号]TU746.3 [文献标识码]A [文章编号]1002-8498(2014)22-0091-03 Design and Construction of the Additional Dormitory Building Li Zhitong Yuan Xiaowen Jiang Bo Shijiazhuang Institute of Railway Technology Shijiazhuang Hebei 050041 China) Abstract:A dormitory building was expanded with the south recessed balconies be transformed into bedroom.The connection between the existing and the new structure were strengthened in design. Because of locating adjacent to the other buildings so the construction site is narrow.Because of the narrow construction site and other factors the foundation of construction engineering was needed to be buried shallower than the original foundation which was sit in the plain fill.This needed to ground treatment with plain conerete pile.The authors reduced settlement and uneven settlement of extension engineering by reducing the base additional stress improving the ground bearing capacity of posite foundation and other measures which achieved good results.Construction engineering designers need to fully understand the original building conditions and consider the feasibility of design and construction. Key words:additional en...
[关键词】钢结构;连廊;提升;有限元分析 [中图分类号】TU785 【文献标识码】A [文章编号]1002-8498(2013)21-0096-04 Integral Lifting Technology of Some Large-span Steel Corridors Zhang Yupeng',Wang Tao²,LiaoWeizhang² (1.Bejing Construetion Engineering Research Institute Co.,Lad.,Beijing 100039,China; 2.College ofCiviland Transportation Engineering University,Beijing Construction EngineeringUniversity,Beijing100044,China) Abstract:There are five steel corridors in office and research building of State Grid Institutes Construction project. All the five corridors are spacial steel truss structure with large span, heavy weight and large hanging height. Based on site conditions, the steel corridors are integral lifted and positioned with quality and safety of the lifting can be realized through calculation construction conditions with the software Midas. Key words: steel structures; corridors; lifting; finite element analysis 大型结构整体提升施工技术是集机、电、液、计中部存在3处(1,4,5号连廊),科研楼与办公楼之 算机控制理论等于一体的现代化先进施工技术。
施工技术 2016年11月下 72 CONSTRUCTION TECHNOLOGY 第45卷第22期 D01:10.7672/gjs2016220072 某大跨度钢梁组合屋盖加固设计 王元新,李海旺,杜雷鸣,赵崇基,王威 (太原理工大学建筑与土木工程学院,山西太原030024) [摘要]针对某大跨度钢梁组合屋盖因设计漏算荷载及施工偏差较大导致结构实际工作状况与原设计不符的情 况,对该结构重新进行了验算及加固设计.综合考虑安全性、经济性及施工可行性,选择顶升钢梁组合混凝土梁的 加固方案进行加固设计,并具体完成了组合梁、节点加固的设计及施工顺序的合理安排,从而实现了“技术可靠、经 济适用、施工简便并确保质量”的加固目标. [关键词]钢结构;大跨度钢梁;加固;设计;钢混凝土组合梁 [中图分类号]TU391 [文献标识码]A [文章编号]1002-8498(2016)22-0072-05 Strengthening Design of Large-span Steel Beam Roof Wang Yuanxin Li Haiwang Du Leiming Zhao Chongji Wang Wei College of Architecture and Civil Engineering Taiyuan University of Technology Taiyuan Shanxi 030024 China) Abstract:Because of some problems such as neglecting some design loads and construction deviation the actual stress situation of the structure does not correspond with the original design so an overall analysis and strengthening design of the structure is carried out.Considering the security economy and construction feasibility of the program posite beam reinforcement method is selected.Detailed design of posite beam and joint strengthening is pleted and the construction sequence is arranged for the program.Strengthening targets of technology reliable affordable simple construction and to ensure quality'are realized. Key words:steel structures;large-span steel beam;strengthening;design;steel-concrete posite beam 近年来,钢结构因其轻质高强、施工简便、工期 本工程位于山西省,其主体结构为平面尺寸 短等优点在民用建筑及工业建筑中得到了广泛应36.3m×41.7m的7层框架结构,其中地下2层、地 用.然而由于日益激烈的市场竞争,相当一部分结 上5层,-2~3层为混凝土框架,4层无楼板仅周边 构为实现低用钢量采用满应力设...
施工技术 2017年2月上 48 CONSTRUCTION TECHNOLOGY 第46卷第3期 D0I:10.7672/sgjs2017030048 某大跨度缓粘结预应力空心楼盖施工关键技术 郝玉松1,张栩珲2,侯煦新一3,吴国辉4 (1.北京市建筑工程研究院有限贵任公司,北京100039;2.北京军区联勤部基建营房部,北京100041; 3.北京住总第四开发建设有限公司,北京100026;4.北京住总集团有限责任公司,北京100101) [摘要]缓粘结预应力技术继承了有粘结预应力和无粘结预应力的优点,同时弥补了各自的不足,以其简单的施工 工艺、优良的力学性能受到越来越多的认可.本缓粘结预应力技术在空心楼盖中的应用,将有效地提高结构的承 载力,增大结构的使用空间,同时也提高了结构的抗震性能和耐久性.结合工程实例,介绍了缓粘结预应力空心板 的应用与施工要点. [关键词]混凝土;楼盖;预应力;缓粘结预应力;大跨度;施工技术 [中图分类号]TU757 [文献标识码]A [文章编号]1002-8498(2017)03-0048-03 Key Construction Technology for Retard-bonded Prestressing Hollow Floor Structure Hao Yusong' Zhang Xuhui? Houxu Xinyi' Wu Guohui (1.Beijing Building Construction Research Institute Co.Ltd.Beijing 100039 China;2.Beijing Military Command Infrastructure Barracks Beijing 100041 China;3.Beijing Uni-Construction 4th Development and Construction Co.Ltd.Beijing 100026 China;4.Beijing Uni-Construction Group Co.Lad.Beijing 100101.China) Abstract:Retard-bonded prestressing steel strand technology inherits the advantages of bonded and unbonded prestressing and makes up for their deficiencies.Application of retard-bonded prestressing hollow floor structure will effectively improve the bearing capacity of the structure increase space of the structure also improve the seismic performance and durability of the structure.It introduces the application and construction points of retard-bonded prestressing hollow floor structure in this paper. Key words:concrete;floors;prestressing;retard-bonded prestressing;large span;construction ...
2010年12月 施工技术 第39卷第12期 CONSTRUCTION TECHNOLOGY 105 某大悬挑钢框架受力性能有限元分析 彭海雁,许宁2,陈富仲2,唐嵩2,李平2,陆通3 (1.长沙理工大学土木与建筑学院,湖南长沙410004;2.中国建筑第五工程局有限公司,湖南长沙410004; 3.武汉精工股份有限公司,湖北武汉430023) 【摘要]对某工程大悬挑钢框架进行有限元分析,利用Shell181和Solid92单元分别建模,一种设置横向加劲板,另 一种设置纵横向加劲和节点加腋.介绍了模型单元划分、荷载及边界条件等,描述框架在荷载作用下应力、应变及 变形的发展过程,并将试验结果与有限元分析结果进行比较.在此基础上,对大悬挑钢框架的设计、工厂加工、现 场吊装及施工监控提出一些建议.指出纵横向加劲肋以及节点处加腋对提高框架整体、局部稳定性有很大作用. [关键词]大悬挑钢框架;非线性有限元;模型试验;极限承载力 [中图分类号]TU311.41 [文献标识码]A [文章编号]1002-8498(2010)12-0105-03 Finite Element Analysis on Mechanical Performance of Some Large Cantilever Steel Frame Peng Haiyan' Xu Ning2 Chen Fuzhong? Tang Song? Li Ping? Lu Tong' (1.School of Cisil Engineering and Architecture Changsha University of Seience Technology Changsha Hu'nan 410004 China; 2.China Construction Fifth Engineering Dirision Co.Ld.Changsha Hu'nan 410004 China; 3.Wuhan Seiko Co.Ltd.Wuhan.Hubei 430023 China) Abstract:Some large cantilever steel frame is analyzed by FEM in which Shell181 and Solid92 units are applied for modeling.In this engineering analysis one is set transverse stiffened plates and one is set longitudinal and transverse stiffening and joint haunch.The element division for model loading and boundary conditions are introduced and the developments of stress strain and deformation for frame under loading are described.Moreover experimental and FEM results are pared.On the base of them some suggestions about design manufacturing hoisting and monitoring of large cantilever steel frame are proposed.It is poi...
2014年7月下 施工技术 第43卷第14期 CONSTRUCTION TECHNOLOGY 115 D0I:10.7672/sgjs2014140115 某大悬挑结构支撑胎架卸载过程分析 陈晓阳 (中铁第四勘察设计院集团有限公司,湖北武汉430063) [摘要]大悬挑结构因其独特的建筑表现形式而越来越广泛地被用于城市的地标性建筑.在其施工的过程中需布 置一定数目的临时支撑胎架以完成悬挑部分的施工,而胎架卸载的过程使整个结构由临时支撑体系和设计结构共 同受力转变为设计结构受力状态.为保证这一转变过程的安全,建立了某大悬挑结构的有限元模型,对胎架卸载 的全过程进行分析计算,最后得出优化的胎架卸载方案. [关键词]悬挑结构;胎架;卸载;有限元分析;优化 [中图分类号]TU311.41;TU758 [文献标识码]A [文章编号]1002-8498(2014)14-0115-05 Analysis on Support Frame Unloading Process of a Large Cantilever Structure Chen Xiaoyang China Railseay Siyuan Survey and Design Group Co.Ltd.Wuhan Hubei 430063 China) Abstract:Large cantilever structure was increasingly widely used in landmark buildings of a city as its unique architectural form.A certain number of temporary support frames were arranged to plete the construction of cantilever part of the structure.The integral working of temporary support frames and design structure was changed into condition of design structure working separately in the process of unloading support frame.To ensure the safety of this transformation process the finite element model of a large cantilever structure was established and the analysis on overall process of the support frame unloading was carried out subsequently and an optimized support frame unloading scheme was obtained finally. Key words:cantilever structure;jig;unloading;finite element analysis;optimization 随着社会财富的快速积累,人们对建筑结构的设置临时支撑胎架,待大悬挑结构整个空间受力体 审美和使用功能提出了更高要求.悬挑结构建筑系形成后对结构卸载.在胎架逐步卸载过程中,整 方案能够很好地将建筑艺术、结构艺术表现出来,个结构由临时支撑体系和设计结构共同受力转变 并能满...
施工技术 2012年8月下 98 CONSTRUCTION TECHNOLOGY 第41卷第371期 某大型设备基础环氧砂浆二次浇筑施工技术 张勇 (中原石油勒探局工程建设总公司陕西分公司,河南濮阳45700】) [摘要]大型设备基础找正、找平后采用环氧砂浆二次浇筑,解决了靠传统的微膨胀细石混凝土二次灌注从而导致 混凝土收缩产生裂缝和出现底座下灌浆不实的问题.介绍了设备基础的环氧砂浆施工关键技术及措施,提出原材 料质量、施工质量和环境温度控制措施,详细阐述了环氧砂浆二次浇筑施工过程及其施工中的注意事项. [关键词]砂浆;二次浇筑;设备基础;施工技术 [中图分类号]TU767.4 [文献标识码]A[文章编号]1002-8498(2012)16-0098-03 Secondary Casting of Epoxy Mortar for Some Large Equipment Foundation Zhang Yong (Shaanxi Branch of Zhongyuan Petroleum Exploration Bureau Engineering Construction Corporation Puyang He'nan 457001 China) Abstract:The problems of cracking by concrete shrinkage and pouring paction at equiprnent foundation with traditional slight expansion fine aggregate concrete are solved by two-time casting of epoxy mortar after the concrete leveling and aligning.The construction key techniques and measures of epoxy mortar are introduced.The control measures of material quality construction quality and environmental temperature are put forward.The attentions of secondary casting of epoxy mortar are described in detail. Key words:mortar;secondary casting;equipment foundation;construction 环氧砂浆具有硬度高、耐磨性能好、附着力强、75m厚的环氧树脂砂浆,以达到抗压、抗振、耐腐 耐化学侵蚀、极佳的吸振能力和抗冲击能力、固化蚀的效果.环氧砂浆采用4d连续浇筑,每天浇筑1 时间短等特点,广泛用于安装精度要求高的工业设台,在温度为21℃时快速固化,固化时间为24~ 备基础二次灌浆,且由于灌浆材料具有自流不需振36h 浇筑成型后的环氧砂浆压缩强度应大于 捣、施工无间隙,固化时间短等特点,施工工艺相对 60MPa 弯曲强度在13~32MPa 因此在施工中严格 简单.同时适合人工搅拌、浇筑的各类专用设备和 按施工工艺进行,是保证施工浇筑成功的关键. 工(机)具的研制保证了浇筑工作的连续,大大提高 2施工关键技术及措施 了浇筑效果和质量. 设备基础的环氧砂浆施工浇筑原理是通过一 1工程概况 定配合比的环氧树脂、聚酰胺、乙二胺、二丁酯搅拌 鄂东气田韩城区块...
【关键词]地下工程;设备基础:沉井;抽排泥砂法;沉降 【中图分类号】TU753[文献标识码】A[文章编号】1002-8498(2012)13-0032-04 Open Caisson Construction Technologyfor theFoundation Excavation ofLargeEquipment Xia Pei, He Yunfei, Zhang Qixin (Zhejiang Southeast Space Frame Company, Hangzhou, Zhejiang 311209 ,China) Abstraet;According to the site condition and soil characteristic, a special open caisson scheme was adopted, where sediment was drained by preformed holes at the bottom. During the construction, no soil deposit was observed and the construction period was shortened, which showed significant economic benefits.This paper described the design standard,pump layout principles for the sediment drainage method. Setlement observation results were also analyzed and solutions were proposed for mon problems. The practice shows that the expectled effect of uniform subsidence was achieved. Key words:underground; equipment; foundations; open caisson; drainage sediment method; setlement 1工程概况 组成,基坑底部持力层为砂质粉土夹粉砂,地基承 本工程位于杭州市萧山区,为一镀锌线设备基 载力为180kN。
2017年7月下 施工技术 第46卷第14期 CONSTRUCTION TECHNOLOGY 79 D0I:10.7672/5j52017140079 某大型美术馆钢结构施工关键技术 成继红,刘明路,何月峰,韩向科,张建生,王馥琴 (中国二十冶集团有限公司,上海201999) [摘要]大同市御东新区美术馆钢结构工程,为空间管桁架结构,形状复杂.主体由4个异形三角锥体相切而成, 高度、跨度大.施工时采用了“异地原位拼装、计算机控制一次整体同步滑移到位”的施工技术.通过施工过程仿 真分析验证了该施工技术的可行性,对钢结构进行了拼装过程状态、同步及不同步滑移状态、卸载等施工状态进行 了分析.同时在施工过程中进行了施工实时监测,为结构的安全施工提供了保障. [关键词]钢结构;桁架;滑移;仿真分析;监测;施工技术 [中图分类号]TU391 [文献标识码]A [文章编号]1002-8498(2017)14-0079-04 Key Technology of Steel Structure Construction of a Large Art Gallery CHENG Jihong LIU Minglu HE Yuefeng HAN Xiangke ZHANG Jiansheng WANG Fuqin China MCC20 Group Co.Ltd.Shanghai 201999 China) Abstract:Datong Yudong Art Gallery project is located in Datong city Shanxi province with the plexity of roof shape and space pipe truss structure.The main body consists of four irregular tangent triangle cones especially great height and big span.During the construction the technology of 'assembly in different place according to design coordinate then sliding to the design place synchronously through puter control'was used.The feasibility of construction technology was verified through the analysis of construction process simulation and the steel structure of the assembling process synchronous and asynchronous state sliding state the unloading construction state were analyzed.At the same time the construction of real-time monitoring was conducted in the construction process which provide the guarantee for the safety of construction structure. Key words:steel structures;trusses...
施工技术 2016年8月上 30 CONSTRUCTION TECHNOLOGY 第45卷第15期 D0I:10.7672/8js2016150030 某大型游乐项目楼承板施工技术 田俊年 (上海宝冶集团有限公司,上海200941) [摘要]对某大型主题乐明目世界园区多数单体楼承板施工进行深化设计,命绍组令楼屋面及柔性屋面楼承板 施工的安装要点.南了博承板密装时栓打焊接施工工艺.工程实践表明,施工前做好克分的技术准能够提高 棒承板施工放率、遵兔返工并有效提高楼承板的施工质量. [并键词]楼承板;组舍楼板:栓打;深化设计;施工技术 [中图分类号]TU758.11 [交献标识码]A[交章编号]1002-8498(2016)15-0030-04 Application of Floor Deck Construction on a Large Recreational Facility Project Tian Junnian (Shanghai Baoye Group Co.Ld.Shanghai 200941 China) Abstract:Floor deck construction detailed design is introduced for Tomorrowland park in a large theme park.The construction key points of posite floor roof and flexible roof floor are indicated as well as the stud welding technology.The practice shows that full technical preparation will be able to improve work efficiency avoid rework and effectively improve the quality of the construction of the floor deck. Key words:floor deck;posite slab;stud;detailed design;construction 1工程概况 桂承板深化图纸须表达以下要点:①须准确无 某大型主题乐明日世界国区32创极速光轮误地标注出详细的边界尺寸,消除错误的边界线; 摩托和303超级盒子单体(以下简称302及303单②明确楼承板的铺设方向及搭接方式;③确定洞口 体)项目组含楼面及屋面采用1.2mm厚3W型板,定位及加固方式;④满足栓打的间距及容装要求; 用直径19mm、长110mm、间距305mm的栓钉进行⑤细化收边板的安装及与钢柱的连接节点.其中 熔焊团定;除组合楼屋面外还有部分柔性屋面,柔楼承板边界线及预留洞口位置、大小的确定为最主 性屋面主要采用1.5mm厚B-36型楼承板,用射打要向题. 与钢梁进行连接,每肋1颗射打,间距152mm. 1)设计图纸中没有明确的边界线且边界线存 承板镀锌量均为275g/m2 基本屈服强度≥300MPa 在诸多错误,可通过三维模型进行综含建模,查找 最大施工活荷载为1.0kPa.楼承板具有以下优点:楼板与楼体及其他构件的关系,对有疑向的边界线 ①可代替模板,省去全部或部分模板支撑;②减少 与设计师进行协调,最终确定楼承板的边界线. 混凝土用量,减轻结构永久荷载;③克分发压型 2)然建筑图纸中已对楼、屋面上的预留洞口 钢板良好的抗拉强度和延伸性能,与混凝土的结合 明确...
施工技术 2016年8月上 34 CONSTRUCTION TECHNOLOGY 第45卷第15期 D0I:10.7672/8js2016150034 某大型游乐项目地下防水施工技术 周松 (上海宝冶集团有限公司,上海200941) [摘要]介绍某大型游乐项目地下结构采用预辅防水卷材及自粘防水卷材施工技木,包括基层处理、卷材辅贴、细 部处理技术等.在达到防水要求的同时,减少了施工流程,节省费用、缩短工期.实践表明,该技术取得了良好的 效果. [并键词]防水工程:防水卷材;预;奢鸳:施工技术 [中图分类号]TU761.11 [交献标识码]A[交章编号]1002-8498(2016)15-0034-04 Underground Waterproof Construction Technology of a Large Recreational Facility Zhou Song Shanghai Baoye Group Co.Lad.Shanghai 200941 China) Abstract:The underground structure of a large recreational facility constructed by pre-laying waterproofing coiled material and self-adhesive waterproof coil is introduced.In reaching the waterproof requirement at the same time the construction process is omitted the cost is saved and the the construction period is shorten.Practice shows that the technology reaches good effects. Key words:waterproofing;waterproof coiled material;pre-laying;casing pipe;construction 1工程概况 防水卷材上进行下一步工序施工,节省了成本和工 上海某大型主题乐因项目明日世界区工程总期;②与混凝土形成永久有机结合,防止水分海入 建筑面积23700m2 分为302创极速光轮摩托、303超防水卷材和结构之向的间障;③不叠基底展位移的 级盒子、301喷气背包飞行器、300A步行天桥、307舞影响.预铺防水卷材节点与常规防水卷材节点对 台、308天幕、354西区餐厅、355西区卫生尚皮室外场比如图1所示. 地9个单位工程,其中302 303 301 307 354 355下 1.5厚附加层 附加层 YILADI 部结构均为独立基础,防水等级为一级. 谢/基层处剂 砖胎膜 2防水材料 砖胎膜 防水卷林 水泥砂浆袜灰保护层一 基础结构承台采用砖胎膜,部分地梁采用木 S 模.经过防水深化设计,项目最终选用PV100预铺 1.2厚PVI00 预铺防水卷材 1.5厚附加 式高分子自粘胶膜防水卷材(砖胎膜部位)和 100厚C15基础垫层 YTL-A 防水卷材-一 素土实一 基层处理剂 100厚C15基础垫层一1附加层 YTLTM-VX交叉层压膜自粘防水卷材(木横部位). 素土有实一 2.1PV100预铺式高分子自粘胶膜防水卷材 a预铺防水卷材节点 b常规防水卷材节点 PV100预铺式高分子首粘胶膜防水卷材包括1 图1预铺防水卷材节点与常规防水卷材节点对地 层...
2016年8月上 施工技术 第45卷第15期 CONSTRUCTION TECHNOLOGY D0I:10.7672/8js2016150001 某大型游乐项目ETFE膜结构安装技术 潘润军 (上海宝冶集团有限公司,上海200941) [摘要]EFE作为一种新型建材料,具有轻展高强、耐久性好及良好的保温、隔热性能,是绿色环供材科.针对 上海某大型主题乐园明世界区308单体屋面ETFE膜结构施工,介了该膜结构施工难点及解决措施,重点南 述了天華ETFE膜结构施工流程及主施工工艺. [并键词]钢结构;传构;ETFE:枕;景性支其平台:容装 [中图分类号]TU353[交献识码]A[交章编]1002-8498(2016)15-0001-05 ETFE Membrane Structure Installation Technology in a Large Recreational Facility Pan Runjun Shanghai Baoye Group Co.Ld.Shanghai 200941 China Abstract:As a new type of building material ETFE has the characteristics of light weight high strength good durability good heat preservation and heat insulation and is a kind of green environmental protection material.In Shanghai a large theme park Tomorrowland No.308 Project roof ETFE membrane structure construction difficulty on the membrane structure and the measures to solve are introduced.The canopy ETFE membrane structure construction process and main construction process are explained. Key words:steel structures;membrane structures;ETFE;air pillow;flexible support platform;installation ETFE作为一种新型的建筑材料,具有轻质高着在上层圆钢管表面.天華膜结构曲72块ETFE 强、耐久性好、高透光性、高自洁性、高吸声性、难气枕组成,最大气枕长约70m 宽3m 面积约 燃、高耐腐性和良好的保温、隔热性能,且自身可200m2;最小气枕长约8m 面积约为20m2.附属构 回收再利用,是缘色环保材料,耐用年限达3年以件有柔性支撑平台、转接件,铝型材、铝芯、胶条、铝 上,透光率达95%,可在-100~180℃范围正常使压盖、充气管及充气设番等.天暴结构如图1所示. 用,且满足B1级防火标准.基于以上性能,ETFE 在出现后仅十几年时尚就在世界范围内得到了大 量应用,广泛用于展览建筑、大型商业设施、体育设 施、大型智能温室等工程. 1工程概况 a天幕钢结构 b天幕膜结构 上海菜大型主题乐园明日世界国延308单体天 图1天莱缘构示意 幕钢结构采用空间双层钢网壳膜结构体系,主要由 Fig.1 Canopy structure 圆管支搏斜柱、双层网壳屋面、网壳边...
2013年1月上 施工技术 第42卷第1期 CONSTRUCTION TECHNOLOGY 65 某大型深基坑逆作法施工技术 朱锦峰 (中冶天工上海十三冶建设有限公司,上海200941) [摘要]以上海市中山医院综合楼深基坑工程为例,介绍了逆作法施工技术在该工程中的应用.详细介绍了地下 连续墙的垂直度控制、防止槽壁坍塌和渗漏技术,一柱一桩的垂直度控制技术,基坑降水,土方开挖,相关节点构造 施工技术以及施工监测等关键技术.监测结果表明,基坑和周边建筑处于稳定状态,达到了预期效果. [关键词]地下工程;深基坑;逆作法;地下连续墙;垂直度;监测;施工技术 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2013)01-0065-06 Top-down Method in Large-scale Deep Foundation Excavation Zhu Jinfeng CMTCC Shanghai Shisanye Construction Co.Ltd.Shanghai 200941 China) Abstract:This paper introduces the top-down method in the deep foundation excavation of Shanghai Zhongshan Hospital Building.The key technologies are introduced in detail including verticality control of diaphragm walls prevention of slot wall collapse and leakage verticality control of one column with one pile foundation excavation dewatering earth excavation joints construction and monitoring.Monitoring results show that the foundation excavation and surrounding buildings were stable as expected. Key words:underground;deep foundation excavation;top-down method;diaphragm wall;verticality; monitoring;construction 1工程概况 P8 厚度分为1.0m和1.3m2种,属于大体积混凝 某工程位于上海市徐汇区斜土路1591号地块,土;地下2层设过街通廊,与枫林路对面已有建筑相 南邻斜土路,北靠清真路,东侧为小木桥路,西面为连,通廊使用顶管法施工. 枫林路.本工程项目占地面积40777m2 总建筑面2围护结构 积178028m2.其中,地下建筑面积66000m2 地下 本工程基坑规模巨大,整个基坑长约214m 宽 室局部设人防工程,其建筑面积为25888m2 本工约65m 占地面积22260m2 地下室3层,埋深最深 程长年的地下水位为室内地坪下1.200m. 为17.800m 属一级基坑.本工程自然地坪相对标 本工程地下3层,地下室为框架剪力墙结构和高为-0.650m 基坑普遍区域底板面标高为 框架结构,钻孔灌注桩基础,地下室开挖深度14.9 -14.300m. ~15.2m 局部落低1.5~2.6m.地下室采用逆作 整个基坑外...
2010年10月 施工技术 第39卷第10期 CONSTRUCTION TECHNOLOGY 27 某大型摩天轮施工模拟分析 贾宝荣 (上海市机械工有限公司,上海200072) [要]用ANSYS10.0对某大型摩天轮钢传梅施工全过程进膜拟分析,主要内容色括:A形支架及轮独系统提升 力的确定、提升塔容结柏设计和整体穆定分析、轮保梨过程计算、轮银装辅助柠折除皮轮释索张招过程 计算.施工全过程模拟计算按预定的祛工方分步实施,并在确保结构施王容全性的同时,对施工方意进行优 化,为施工助设施的设计摄供可靠的数据. [芙键词]摩天轮构:提升塔架:施工模拟:辅架拆除 [中分类号]TU394:TU745 [支献杭识]A [支章编每]1002-8498(2010)10-0027-04 Construction Simulation of a Great Ferris Wheel Jia Baorong Shanghai Mechanized Construction Co.Ltd.Shanghai 200072 China) Abstract:The eonstruetion simulation of a great ferris wheel is calculated by ANSYS 10.0.The simulation includes 5 parts:the calculation of lifting force of A-shape frame and spindle systems the lifting tower design and overall stabilization analysis the calculation of rim erection course the simulation of course about assistant truss dismantling and spoke cable stretching.The whole course simulations are carried through step by step according to the established construction plan.In this course the construction plan is optimized and eredible data is received for the design of assistant establishments. The ferris wheel will be the biggest one in the world when pleted.Technieal methods and detail numerical data are provided for the construction of the great wheel. Key words:great wheel system:lifting tower:construction simulation:assistant truss dismantling 1工程概况 208m 轿厢(48个) 禁大型摩天轮慧高度为208m 建成后将是世界上 轮缘 最大的摩天轮.摩天轮的转动轮盘采用柔性预应力钢 轮索(48个 轴心和轴套 10825m 体系,由隔射状布置的拉索和轮强组成,轮慈采用三 角形新面的管粉架,通过48根立替布里的轮辐索与轮 斜拉索(2X4) A架柱 毂上索盘相连,形成一个平衡...
施工技术 2014年4月下 46 CONSTRUCTION TECHNOLOGY 第43卷第8期 D0I:10.7672/5js2014080046 某大型工业厂房钢大门施工技术 刘建明1 2 (1.西安建筑科技大学土木工程学院,陕西西安710055;2.陕西建工集团第二建筑工程有限公司,陕西宝鸡721000) [摘要]西安飞机工业(集团)有限公司369号飞机总装厂房大门为长258.10m、高20m的通长钢大门,大门由8大 扇门板组成(每一大扇由2个小扇连接而成),每扇门重40,大门共重3201,采用地面组装成型后用起重机械提升 安装的方法,重点介绍了钢大门构造、钢大门制作安装工艺和钢大门制作安装的质量控制措施. [关键词]钢结构;钢大门;组装;吊装 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2014)08-0046-03 Construction Techniques for the Steel Gate of a Factory Building Liu Jianming.2 (1.School of Ciril Engineering Xi'an Unirersity of Architecture Technology Xi'an Shaanxi 710055 China; 2.Shaanxi Construction Group of the Second Engineering Lid.Baoji Shaanxi 721000 China) Abstract:In the No.369 airport assembly factory in AVIC Xi'an Aireraft Industry (Group)Company Ltd. the steel gate is 258.10m long and 20m tall which is made up of 8 big steel door panels two small door leaves consist of one big panel.Each panel is 40 ton weigh so the steel gate is total 320 ton weight. The 8 door panels of the steel gate are all lifted and installed after assembled on the ground.The gate's structure manufacture assembling and installation as well as the controlling methods are mainly introduced in the paper. Key words:steel structures;steel gates;assembly;hoists 1工程概况 西安飞机工业(集团)有限公司369号飞机总 装厂房工程为单层厂房,总建筑面积26966m2 横 向跨度77.8m 纵向长260m.立柱为矩形钢筋混凝 土柱,屋盖结构为3层斜放四角锥网架,厂房东、西 面外墙为外挂银灰色金属三明治板,北面外墙为外 挂中灰色平钢板.厂房南立面大门洞口尺寸为 图1厂房南立面钢大门 Fig.1 Big steel door in the south facade of the workshop 258.10m×20m(LxH) 大门由8大扇(16小扇,每 一大扇由2个小扇...
施工技术 2010年4月 74 CONSTRUCTION TECHNOLOGY 第39卷第4期 某大型工业厂房屋面PVC防水施工技术 刘建明 (陕西建工集团第二建筑工程有限公司,陕西宝鸡721000) [摘要]通过某飞机总装厂房工程20976m2屋面防水层施工实例,介绍了轻型屋面系统PVC卷材防水层的施工准 备、施工操作工艺流程、质量保证措施和施工注意事项,保证了屋面施工质量.指出PVC卷材铺贴前需进行预铺; 卷材铺贴好后,在长边一侧用塑料铺固件与保温层和结构层连接圆定;PVC卷材搭接缝采用热风焊接方式.同时 给出了女儿墙根部和落水口处防水节点做法. [关键词]屋面防水;PVC卷材;施工技术 [中图分类号]TU765 [文献标识码]A[文章编号]1002-8498(2010)04-0074-02 Construction Technology of PVC Waterproof for Roof in Some Large Industrial Building Liu Jianming The Second Engineering Co.Lad.of Shaansi Construction Engineering Group Co.Baoji Shaansi 721000 China) Abstract:Taking construction of waterproof for roof in some large industrial building with area 20 976m2 for example the construction preparation construction technology process quality assuring measures and attention points of construction for PVC coiled material waterproof layer are introduced which guarantee the construction quality of roof.It is indicated that pre-pavement should be done for PVC coiled material the coiled material should be fixed with insulation layer and structural layer after pavement and connection joint of PVC coiled material is treated by hot blast welding.Furthermore waterproof joints practices for parapet root and water dropping opening are put forward. Key words:roof waterproof;PVC coiled material;construction technology 1工程概况 焊接施工 一PVC卷材防水层 120厚岩棉保温板 西安飞机工业(集团)有限公司369号飞机总装厂前要对自动焊 0.3厚隔气层 0.8V125型压型钢板 房工程为单层厂房,总建筑面积26966m2 横向跨度接机和手持式 保通板垫片 件 热风焊 77.8m 纵向长度260m 屋面总面积20976m2.屋盖结焊枪进行检 构为三层斜放四角锥网架,屋面采用H型钢主榛...