[关键词]混凝土结构；装配式建筑；设计；施工技术；优势 [中图分类号]TU741[文献标识码】A[文章编号]1002-8498（2017）05-0141-03 Design and ConstructionTechnology of aPrefabricatedDwellingHouse Yang Cheng (ScholofArehictureandCiilEngineringNingboPolyechnicInsttue，NingboZhejang315100，Chna） Abstract:In current, Ministry of Housing and Urban-rural Development PRC actively promotes the development of building industralization， and the prefabricated building is an important performance of building industrialization. This paper introduces the design and construction of a prefabricated public rental housing， and expounds the key design technology of the variable chamber type building.At last, this paper concludes the advantages of the prefabricated building. Key words;concrete structures;precast; design;construction;advantage 0引言 建筑工业化的总体目标是提高劳动生产率，改 变落后生产方式，大大提高标准化、工厂化、机械化 和信息化水平，在技术和管理方面创新改革，达到 提高工程质量、加快施工速度、降低工程成本的目 的。
2011年3月下 施工技术 第40卷第337期 CONSTRUCTION TECHNOLOGY 49 某门式刚架库房预应力加固设计与施工 刘桐，刘友忠2，罗斌3 (1.盘城工学院土木工程学院，江苏盐城224051；2.江苏国丰建设集团有限公司，江苏盐城224000； 3.东南大学土木工程学院，江苏南京210096) [摘要]从解决门式刚架主体强度或刚度不足的问题出发，结合某汽车库房实际工程，采用在门式刚架梁下弦加设 预应力拉索的方法进行加固优化设计.通过加固前后对原门式刚架结构性能的影响分析研究表明，果用预应力拉 素的方法进行加固安全可靠.同时介绍了该预应力拉索加固的节点设计与施工技术. [关键词]门式刚架；预应力拉索；结构性能；加固 [中图分类号]TU746.3 [文献标识码】A[文章埔号]1002-8498(2011)06-0049-03 Design and Construction of Prestressed Reinforcement of a Portal Frame Storehouse Liu Tong' Liu Youzhong Luo Bin' (1.Civil Engineering College of Yancheng Institute of Technology.Yancheng Jiangsu 224051 China; 2.Jiangsu Guofeng Construction Group Co.Lad.Yancheng Jiangsu 224000 China; 3.Cisil Engineering College of Southeast University Nanjing Jiangsu 210096 China) Abstract:Combining with the actual automobile storehouse authors proposed an optimized reinforcement method of adding prestressed cable under the bottom chords of portal frame girder to solve the deficient of strength and stiffness of portal frame.Comparison of the structural performance before and after the reinforcement shows that the reinforcement method is safe and reliable.Moreover the node design and construction technology of the prestressed cable reinforcement are introduced. Key words:portal frame;prestressed cable;structural performance;reinforcement 1工程概况 12000 盐城市某二期汽车库房采用门式刚架结构体 系，库房内无起重机，屋面荷载较大（吊挂荷载大）. 21.000 H(800-950)×400×10×14 该库房长度78m 跨度24m 柱距6m 抗风柱柱距 H(1100-800)×400×10×14 5m 檐口柱高21m.刚架梁为变截面设计，实际采 用断面形式为：柱H1000×450×10×18;梁均分4 H1...
施工技术 2016年11月上 82 CONSTRUCTION TECHNOLOGY 第45卷第21期 D0I:10.7672/5gjs2016210082 某钢结构网架屋盖提升装置分析* 陈明，贺天翔 (内蒙古科技大学钢结构与空间结构研究所，内蒙古包头014010) [摘要]大型网架屋盖结构的安装提升受到多种因素的限制.需要进行提升过程的仿真分析.根据某实际网架屋 盖工程的情况，制定了“楼面拼装、累积提升、高空拼装”的施工方法.结合现场施工条件，为25个提升点设计了提 升架和提升平台等提升装置，针对不同的提升装置，给出了相应的吊点构造.利用有限元软件，对提升装置、吊点 构造进行了受力性能分析.结果表明：提升装置的应力比和位移结果都满足设计要求，风荷载对提升架的影响要 远大于提升平台，应该避免强风提升；吊具和临时吊杆的构造也满足受力要求，临时吊杆的设计还能避免提升中的 杆件碰撞. [关键词]钢结构；网架；提升；拼装；有限元分析 [中图分类号]TU392.5 [文献标识码]A [文章编号]1002-8498(2016)21-0082-03 Analysis on Hanging Device of the Steel Truss Roof Chen Ming He Tianxiang Institute of Steel and Spatial Structure Inner Mongolia University of Science and Technology Baotou Inner Mongolia 014010 China) Abstract:The hanging installation of large space truss roof structure is limited by a variety of factors. Simulation analysis of the hanging process is needed to be carried out.According to the engineering condition of a real roof truss the construction method of‘floor assembly cumulative lift and high altitude installation'was established.Combined with the construction site twenty-five lifting points were designed with lifting devices such as lifting frame and lifting platform.According to different lifting devices the corresponding lifting devices were given.By using finite element software the mechanical performance of the lifting devices and lifting points were analyzed.Results show that the lifting devices of the stress ratio and displacement results meet the design requirements.The effect of wind load on ...
施工技术 2012年5月上 32 CONSTRUCTION TECHNOLOGY 第41卷第364期 某钢结构巨型插入式柱脚施工技术 蒋礼，冯长胜，薛飞飞，胡小勇2，徐聪，周鹏1 (1.中建钢构有限公可，广东深圳518040；2.武汉铁路局，湖北武汉430071) [摘要]厦门海峡交流中心二期工程1号楼巨型插入式钢柱脚伸人混凝土底板内2m 并下设8根0.6m长的锚栓， 施工分螺栓预埋和柱脚安装两步，且与底板混凝土两次浇筑穿插施工，混凝土浇筑对柱脚安装精度影响最大，现场 制作限位板与错栓成组整体预埋并与底板钢筋刚接形成稳固结构削弱影响，还采取钢筋点焊加固及导链和钢筋拉 杆组合加固措施以削弱混凝土施工的不利影响，有效保证了埋入式巨型钢柱脚的安装精度. [关键词]钢结构；柱脚；错栓；安装；精度 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2012)09-0032-03 Construction Technology of Giant Embed Steel Column Foot Jiang Li' Feng Changsheng' Xue Feifei' Hu Xiaoyong? Xu Cong' Zhou Peng' (1.China Construction Steel Strueture Co.Lad.Shenzhen Guangdong 518040 China: 2.Wuhan Railway Station Wuhan Hubei 430071.China) Abstract:The giant embedded steel column foot of Xiamen Strait Exchange Center No.I Building sticks 2m in the concrete base and there are eight 0.6m-length anchors on the bottom of the steel column foot. There are two steps for the installation of steel column foot the first step is to embed the eight anchors the second step is to install the steel column foot.After each step the concrete pouring follows which made the greatest influence on installation accuracy.Before installation on-site made location-limited board is bined with the eight anchors into an anchor group to be pre-embedded.The anchor group is fixed with steel bars in the board by spot-welding to a solid structure to weaken the influence.Some reinforcement measures are taken to reduce adverse effect of concrete pouring such as leading chain and steel pull-ro...
[关键词】屋盖；钢结构；提升；一体化建模；数值模拟 [中图分类号】TU311[文献标识码]A[文章编号]1002-8498（2014)14-0001-05 Numerical Simulation and Analysis of the Whole Lifting TechnologyforaSteelRoofStructure GuoYanlin，Zhao Siyuan,Zhang Bohao （Department of Civil Engineering，TsinghuaUnitersity，Beijing100084，China） Abstract;Currently whole lifting technology has been used widely in the construction of huge steel roof structures. This paper is concerned with the numerical simulation and analysis of the whole lifting model has been used herein.An iterative calculation is established to find out the cable force and elevation of lifing points at any lifting configuration state.Besides，the effects of removing cable-force process on adjacent cable forces and support reaction forces have been studied.It is shown from this study that the full process simulation analysis by using the integrated structural model can be used to predict the deformation and cable force of steel roof structures exactly，and the results obtained will be helpful for similar project application. Key words:roofs; steel structures;lifting;integrated model;simulation 0引言虽然整体提升技术已在实际工程中逐渐得到 目前大跨度钢结构屋盖的应用日益增多，传统推广使用，但针对该技术的数值分析方法尚不完 的搭建脚手架、分块吊装的施工方案会因为费用善。
[关键词]加固；改造；托梁拔柱；监测 [中图分类号】TU391 [文献标识码]A [文章编号]1002-8498（2013）16-0016-03 DesignandWhole ConstructionProcessMonitoring ofa Steel-timber Composite Structure forRemoving Columns Li Mi,Jiang Hao,Zheng Hao （Shanghai Key Laboratory of New Technology for Engineering Structures，SRIBS，Shanghai 200032,China) Abstract:An old building with cast iron column and steel beams in the first and second floor, timber structure andwooden gridsfrom the third floor tofifthflooris designed by hinged joint detailsofbeams and columns.Themethod of integral pouring rigid joint is adopted to remove four columns in the first floor withwhole construction processmonitoring，which shows that the strain and deflectionof the new supporting beam is low and the inclination anduneven setlement of the steelcolumnsremainsalmostno changes before and after the construction of supporting beam and removing column，and it is reasonable and feasible for the design and construction monitoring. Key wordsstrengthening；reconstruction； supporting beam and removing column；monitoring 托梁拔柱是增大空间的常用改造方法，广泛适西方向单向布置的钢梁，3～5层为木结构，各层楼 用于工业和民用建筑，托梁拔柱需要考虑荷载传递面均为南北向布置的木格栅，且各层梁柱均为铰接 路线的转移、托梁支撑设计、周边柱及地基基础的 连接，底层层高为5.28m，因后期装修使用功能的改 加固设计以及施工阶段的承载力和稳定验算等。
[关键词]地下工程；桩基础；软土；水泥土搅拌桩 [中图分类号】TU753.1 [文献标识码]A [文章编号]1002-8498（2013)22-0119-03 AccidentAnalysisofaGravityCementMixingPileWall Liu Haixin (Shanghai Geotechnical Investigations &Design Institute Co.，Lid.，Shanghai 200070，China) Abstract;Cement mixing pile retaining wall is suitable for processing mud， silt soil， silt and cohesive soil, which has higher moisture content and the bearing capacity of the foundation is less than 120 kPa, et al. This containment excavation doesn’t need support digging,it can retain soil and stopped water. So, in recent years it has been used more and more in soft soil region,which can be used together with slope unloading soil.However,the quality of piles can not be controlled in soft soils，and the cement soil intensity grows slowin silt soil, the deformation is always large in practical application，and soil collapse and other phenomenon ofen occur. This paper takes an excavation accident in Suzhou as an example, and the analysis of the collapse accident are proposed. Key words:underground; piles; soft soil;cement-soil mixing pile 1工程概况 表1基坑各土层物理力学参数 某工程位于苏州市西南，拟建建筑为5栋11层 Table 1Physical and mechanical parameters of 住宅，整体下设地下1层地下车库，主楼工程桩采用 foundation excavation 预制PHC管桩，基坑开挖深4.7m，基坑周长约 土层名称 平均厚 重度/ 内摩擦角 黏聚力 度/m (kNm) p/（∞) c/kPa 570m，开挖面积约19000m²。
[关键词]地铁车站；深基坑；河道；隔水幢幕；高压旋喷桩；施工技术 [中图分类号]TU753[文献标识码】A[文章编号］1002-8498(2014)01-0067-04 Water-resistance Technology of SomeDeepFoundation ExcavationNear theRiver Li Jiatao,Hu Changming，Zhang Wencui,Zhao Nan,Mei Yuan (School of Civil Engineering，Xi'an Univesity of Architecture and Technology,Xi'an，Shaanxi710055,China) Abstract;The key of the deep foundation excavation construction near the river is the water-resistance treatment.Combined with a project in coastal areas, authors put forward the layout form and construction
analyzing the data of field test, it can be concluded that the effect of two water stop processes is obvious. The water-resistance curtain can on the one hand maintain the stability of the soil, on the other hand improve the construction quality of diaphragm wall near the river..They can enhance the bearing capacity of foundation better and ensure the security and stability in the process of deep foundation excavation construction. Key words:subway stations; deep foundation excavation; rivers; water-resistance curtain;high pressure jet grouting pile; construction
沿海地区地下水丰富且埋深浅，基坑支护工程坑，方法二不适用于河道和基坑距离较小的深基坑 往往因地下水问题而带来一定的施工难度。
【关键词】隧道工程；深基坑：管线保护；施工技术 [中图分类号】U455.45 [文献标识码]A [文章编号】1002-8498（2014)13-0089-05 Protective ConstructionTechnologyforImportantPipelines inDeep FoundationExcavationEngineeringofRiverbedTunnel Ding Haichao'，Yang Jun'，Wang Chengshan²，Luo Hanbin' (1.School of Civil Engineerng &Mechanics，Huazhong Unitersity of Science &Technology，Wuhan，Hubei430074,China; 2.China Railway Tunnel Stock Co.，Ld.，Zhengzhou,He'nan 450000,China) Abstract;Many existing pipeline may be encountered in cut-and-cover city tunnel constructions, temporary relocation method is usually adopted for foundation excavation construction.However, in a river-crossing tunnel project,the large open-cut excavation engineering encounteredalarge main power supply line，whichisalmost impossible toberelocated.In order to protect the city power supply pipeline and ensure the smooth construction of foundation excavation engineering，this paper introduces in detail the overall protection principle and method，and in situ conservation construction technical measures and matters of attention during the construction.The successful engineering practice indicates that the in-situ- protection foundation excavation technology is safe，economic and feasible. Key words:tunnels;deep foundation excavation;pipeline protection;construction 0引言 点非协调等参单元方法，研究了地下连续墙基坑开 加快，为城市道路交通设施建设的发展带来了良好了沉降传递系数的概念，根据地表沉降估算地下管 的机遇，也提出了更高的要求。
2011年3月下 施工技术 第40卷第337期 CONSTRUCTION TECHNOLOCY 103 某轻轨车站屋面网架破坏原因分析 常好诵，郭晔，杨建平 (中冶建筑研究总院有限公司，北京100088) [摘要]通过现场检查、计算分析、破坏试验对东北地区某轻轨车站屋面网架的破坏原因进行了鉴定分析.通过现 场检查对网架构件尺寸、节点连接等结构构造进行鉴定分析：通过对设计、日常、破坏3种荷载作用工况的结构计 算对网架杆件和节点承载力进行校核；通过破坏试验对结构计算分析进行结果验证.分析结果表明：网架存在设 计和施工方面的缺陷，在设计荷载作用下结构可靠度不足，虽然在日常荷载作用下结构尚可正常工作，但过大的冰 雪荷载作用会导致屋面网架的破坏. [关键词]轻轨车站：屋面网架：破坏原因 [中图分类号]TU746.1 [文献标识码]A[文章编号]1002-8498(2011)06-0103-04 Damage Causes Analysis of Grid Frame Roof of a Light Rail Station Chang Haosong Guo Ye Yang Jianping Central Research Institute of Building and Construction of MCC Bejing 100088 China) Abstract:Damage causes of grid frame roof of a light rail station is synthetically analyzed by site inspection structural calculation and experiment.Dimension and joint of member bars are inspected by site inspection.Bearing capacity of member bars and joints are checked by structural calculation respectively under design mon and damage load conditions.Structural calculation result is testified by destructive experiment.Damage mechanism analysis indicates that as both designed and constructed defects exist in grid frame roof insufficient reliability under designed load is the substantial cause. However overloaded caused by snow load is the directly results in damage of grid frame roof. Key words:light rail station;grid frame roof;damage cause 1工程概况 屋盖出现局部严重下挠（见图1b).本文通过现场 东北地区某轻轨车站建成于2006年.车站屋检查、计算分析和试验3部分工作对屋面网架的破 盖采用单向受力网架，由14福截面为倒三角形的空坏原因进行鉴定分析. 间桁架组成，每福空间桁架又由两福简支平面桁架2结构现场检查 组成，平面桁架采用单斜式腹杆体系.平面桁架跨2...
[关键词】地基；软土地基；堆载预压；强夯；有限元分析；监测 [中图分类号】TU753【文献标识码】A [文章编号]1002-8498(2013)19-0071-04 A SoftSoil Foundation TreatmentbyPre-loading andDynamic Compaction Yu Jingliang'，Yang Dong² （1.Guangzhou Maritime Institute， Guangzhou，Guangdong 510330，China; 2.Guangzhou Port Engineering Design Institute Co.，Ltd.，Guangzhou, Guangdong 510100, China) Abstract:Based on a soft soil foundation in Guangzhou, this paper introduced a new pre-pression method by pre-loading and dynamic paction including its construction process,drainage system and dynamic paction construction process. ADINA was used to analyze the construction process of this method in order to provide reference for choosing construction parameters.Through parative analyzing the post settlement of this project by FEM and the measured post settlement,it shows that the excellent engineering effect is achieved by the pre-pression with pre-loading and dynamic paction. Key words:foundations; soft soil foundations; pre-loading; dynamic paction; finite element analysis;monitoring 本文以广州某软土地基工程为例，介绍了塑料2.36m。
[关键词】钢结构；塔楼；安装；加固；起重机 [中图分类号】TU758.1 [文献标识码】A [文章编号】1002-8498(2014)02-0046-05 InstallationTechnologyofSteelStructuresofTower RenovationProjectof ConverterPlant Li Junlong (School of Management，Wuhan Unitersity of Science and Technology，Wuhan，Hubei 430081，China） Abstract;A converter steel mill need add a 120t converter in the case of not affecting the normal production of No.1 and No.2 original converters, which need to be turned into a tower building of the original steel structure plant. Based on engineering characteristics of no preserved site， by optimizing construction organization design and installation of steel structure of tower renovation project was implemented. The hoisting machinery choice, the installation techniques of box-shaped beam and column, drum and roofs were introduced in detail. This technology not only ensured the new converter schedule, high quality， safe production， and also ensured the normal production of No.1 and No.2 converters. Key words:steel structures; tower building;installation; strengthening; cranes 1工程概况 多次与设计单位、业主协商，最终确定塔楼改建工 某转炉炼钢厂1，2号转炉正在满负荷生产，市 程总体方案如下。
[关键词】地下工程；工业建筑；深基坑；支护 [中图分类号】TU753.1【文献标识码】A[文章编号]1002-8498(2011)18-0100-04 Integrated Support Technology for Some Ultra-deep and Complex Foundation Excavation in Industrial Buildings Fu Gaopeng,Zhang Jin,Lang Yiyong (He'nan the Sixth Construction Group Co.，Lad.，Luoyang，He'nan 471000, China) Abstract:The foundation excavation of a heavy heat treatment project is 87.5 meters from north to south and 36.5 meters from east to west. The maximum excavating depth is 28m and the dewatering depth is more than 13 meters. Based on the safe and economic principle，according to the project characteristics, the integrated support system is adopted including soil nailing wall and boling support,reinforced concrete slope protection piles and open caissons.Construction technology and attentions of every support mode are introduced. The construction practice shows that the application of integrated foundation Key words:underground; industrial buildings; deep foundation excavation; support 1工程概况本重型热处理工程根据设备的设计尺寸以及荷载大 新重机工程是中信重工“十一五”规划重点项小共有4个基底标高，分别为－13.4，-17.4， 目，是河南省首批14个重点联动推进项目之一。
施工技术 2012年4月上 60 CONSTRUCTION TECHNOLOGY 第41卷第362期 某超深基坑逆作法土方开挖技术 范厚春，卓世华2，黄超2 (1.徐州市建设局，江苏徐州221000；2，中建三局股份有限公可（沪），上海200129) [摘要]介绍了某超深基坑逆作法施工中基坑降水、土方开挖的施工工艺.施工中通过降水方案的有效实施，出土 口的合理布置及土方机械的合理安排，根据每层结构的标高，合理划分土方开挖的分层和分区，保证土方按预定目 标顺利进行，满足工程进度要求，较好的达到预期目标. [关键词]地下工程；深基坑；逆作法；土方开挖；降水；施工技术 [中图分类号]TU753.1 [文献标识码]A[文章编号]1002-8498(2012)07-0060-03 Construction Technology of Earth Excavation with Inverse Method in Some Ultra-deep Foundation Excavation Fan Houchun' Zhuo Shihua? Huang Chao2 (1.Xuzhou Construction Bereau Xuzhou Jiangsu 221000 China; 2.China Construction Third Engineering Bureau Co.Ltd.Shanghai) Shanghai 200129 China) Abstract:Authors introduce construction technologies of dewatering and earth excavation in construction of inverse method of ultra-deep foundation excavation.Based on effective implementation of dewatering plan reasonable arrangement of excavation and machine reasonable division of earth exeavation construction progress can meet the requirement and reach the target. Key words:underground;deep foundation excavation;inverse method;earth excavation; dewatering;construction 1工程概况 基坑穿越场地内①~⑤，层土，包括杂填土、粉 某市中央国际广场工程建筑面积为34772.95质黏土、老城土、黏土、含砂黏土，土质不均，基础 m2 地上部分为城市景观广场，地下1 2层为商铺，底板位于⑤，含砂疆黏土内. 地下3 4层为人防停车库及部分设备用房.工程采 场地杂填土与其下老城填土层之间的相对隔 用地下4层钢一混凝土结构，桩筏基础，围护形式为水层②粉质黏土局部缺失，上层滞水及潜水连通， 中1000@1400人工挖孔桩，外止水帷幕为850@ 未发现基岩的承压水，故观测到稳定水位为上层滞 550高压旋喷柱，整个施工采用逆作法.基坑面积水、潜水混合水位.基岩缝隙内存在承压水，承压 约为9400m2 开挖长约110m 宽约100m 基坑普遍 水水头标高17.0~25.0m. 开挖深度约19.5m 最大开挖深度为22.5m 总土方3基坑降水 量约为19万m3.基坑土方开挖分...
施工技术 2016年11月上 94 CONSTRUCTION TECHNOLOGY 第45卷第21期 D0I:10.7672/5gj52016210094 某超深基坑组合支护体系设计与施工监测 张国庆1，周予启，郑群1，王天峰1，吴晨浠2 (1.中建一局集团建设发展有限公司，北京100102；2.中国矿业大学（北京）力学与建筑工程学院，北京100083) [摘要]朝阳区霞光里5号、6号商业金融项目基坑开挖深度29.8m 是北京市乃至全国垂直支护深度最深的基坑 之一，结合此工程基坑开挖深度深、场地水文地质条件复杂、施工难度大的特点，介绍了此工程支护体系的设计方 案及施工要点，并通过实际监测表明该设计方案满足基坑支护规范及要求. [关键词]深基坑；支护；设计；施工；监测 [中图分类号]TU473.2 [文献标识码]A [文章编号]1002-8498(2016)21-0094-05 Design and Construction Monitoring with Composite Support System of a Deep Foundation Excavation Zhang Guoqing' Zhou Yuqi' Zheng Qun' Wang Tianfeng' Wu Chenxi2 (1.China Construction First Group Construction Development Co.Ltd.Beijing 100102 China;2.School of Mechanics and Architectural Engineering China University of Mining and Technology Beijing 100083 China) Abstract:The mercial and financial project in No.5 and 6 Xiaguangli Chaoyang District in Beijing is one of the deepest foundation excavation in China.This paper introduced the design of supports system and key points of construction bined with the deep depth of excavation engineering plicated site hydrogeological condition and difficult construction features and according to monitoring it indicated that the design could meet the specifications and requirements of excavation. Key words:deep foundation excavation;supports;design;construction;monitoring 1工程概况 朝阳区霞光里5号、6号商业金融项目位于北 5-16 京市朝阳区三元桥外霞光里，东南临霞光里北一 街，南接北京无线通信局用地，西邻机场高速路和 地铁10号线三元桥站，北邻中国华大集成电路设计 集坑挖深 H-29.80m 中心.项目总用地9579.25m2 总建筑面积为 68085m2 其中地上16层，面积40000m2 地下6 通阳大厦 层，...
施工技术 2010年6月 110 CONSTRUCTION TECHNOLOGY 第39卷第6期 .某超大型洁净化生产车间地面修补技术及应用 赵霄龙 (中国建筑科学研究院，北京100013) [摘要]针对小而散的坑槽型破损混凝土地面，采用环氧树脂聚合物修补黏结砂浆进行修补，与能补基层黏结强度 高，硬化时间短，施工进度快，而且修补面光洁平整，施工简单方便.在聚合物修补砂浆配制过程中，应充分考虑修 补砂浆操作时间和硬化速度的协调. [关键词]地面；修补；环氧树脂 [中图分类号]TU73 【文献标识码]A[文章编号]1002-8498(2010)06-0110-03 Repair Technology and Application for Floors in a Large Cleaning Workshop Zhao Xiaolong China Academy of Building Research Beijing 100013 China) Abstract:It demonstrates that higher bonding strength and shorter curing period are achieved by using epoxy mortar to repair concrete floors with many dispersing small holes.And also repaired floor surface is smooth and even construction is simple and convenient.Coordination between operation time and hardening rate of the epoxy mortar should be fully considered during its proportioning. Key words:floor;repair;epoxy 1工程概况 某精密电子产品的超大型洁净化生产车间工程 (共3层，见图1)，工期紧、任务重.大型车间地面施 工完成后未来得及进行成品保护，此时车间内交叉施 工的脚手架需要马上拆除.由于忽视了对车间地面的 保护，拆除抛落的脚手架将本来十分平整的车间地面 图1超大型洁净化生产车间竣工后外景 Fig.1 Outside view of a large cleaning 砸出了密密麻麻的坑槽（见图2），小的直径约10mm electronics production workshop 深不足5mm;大的直径有70mm以上，深达15mm以 上.整个车间1、2层受损地面面积总计约26000m2 (三层因未搭设脚手架而免于受损)，地面平均有超过 60个坑槽/m2. z10768499 由于该洁净化生产车间地面设计采用较为昂贵的 环氧树脂漆自流平罩面漆以形成洁净地面，所以必须 对大面积受损坑槽进行修补，否则在自流平罩面施工 图2车间地面受损 时将需要大量环氧树脂漆来填平坑槽，粗略估计将多 Fig.2 The damage of workshop floor 消耗近百万元的树脂漆.而且如果不进行修补，则由 于坑槽内外环氧树脂漆的收缩不一致，将导致罩面后 优点是施工性能好，价格低廉，适用范圈广；缺点是黏 外观坑坑注注，影响美观，其至业主拒绝验收. 结强度相对较低，硬化时间较长.②采用聚合物黏结砂 2修补方案选择 【收精日期]2010-04-20 对现场进行详细调查分析.对于此类破损，通常 [作者简介]...
施工技术 2010年4月 98 CONSTRUCTION TECHNOLOGY 第39卷第4期 某超大单跨钢屋盖液压同步整体提升施工技术 刘建飞，钟新国，周林，张洁，王虹权 (中建三局第一建设工程有限责任公司，上海201206) [摘要]上海浦东国际机场科技宇航A380大修机库钢屋盖为单跨结构，跨度156.8m 采用钢网架H型钢桁架结 构体系.结合工程安装条件及施工成本，采用液压同步整体提升安装工艺.对施工过程中液压同步整体提升工艺 的施工流程、提升系统的设计与选择、液压同步控制方法、提升工艺原理及整体提升工艺做了简要介绍.提升就位 后，各项指标均达到规范要求. [关键词]上海浦东国际机场；钢屋盖；液压同步整体提升；施工技术 [中图分类号]TU758.15 [文献标识码]A [文章编号]1002-8498(2010)04-0098-04 Construction Technology for Hydraulic Synchronous Integral Hoisting of Some Super-large Single-span Steel Roof Liu Jianfei Zhong Xinguo Zhou Lin Zhang Jie Wang Hongquan (The First Construction Engineering Limited Company of China Construction Third Engineering Bureau Shanghai 201206 China) Abstract:The steel roof structure for major overhaul hangar of Science and Technology Aerospace A380 in Shanghai Pudong International Airport is a single span structure with span of 156.8m which applies bined structure of steel grid frame and truss.Combining with installation condition and construction cost the technology of hydraulic synchronous integral hoisting is adopted.Authors briefly introduce the options of proposals during the construction hydraulic synchronous control method hoisting principle and integral hoisting technology.After hoisting and location all the indexes meet requirements of codes. Key words:Shanghai Pudong International Airport;steel roof;hydraulic synchronous integral hoisting; construction technology 1工程概况 上海浦东国际机场科技宇航A380大修机库工程 大厅屋盖钢结构跨度156.80m 进深79.7m.屋盖结 构采用3层斜放四角锥焊接钢网架H型钢桁架结构 体系（见图1）.网架网...
施工技术 2012年5月上 42 CONSTRUCTION TECHNOLOGY 第41卷第364期 某观光廊钢结构吊装技术 章新 (上海清东工程建设理有限公司，上海201210) [摘要]某观光廊钢结构由2H型钢架及上下弦杆组成，外形尺寸较大.通过对H型钢架观光廊的分析，提 供了工厂加工构件，现场拼装后分片吊装，再高空散装桁架间的连杆的施工技术，重点间述了双机拾吊技术，最大 程度地减少高空作业，降低成本，缩短工期，保障施工安全. [关键词]钢结构：H型钢桁架；吊装；双机抬吊；加工 [中图分类号]TU758.11 [文献标识码]A 文章编号]1002-8498(2012)09-0042-03 Steel Structure Hoisting Technology for Some Sightseeing Gallery Zhang Xin (Shanghai Pudong Engineering Construction Management Ltd.Shanghai 201210.China) Abstract:Some sightseeing gallery poses of two H-profiled-steel trusses and their connection rods. The steel trusses are very big.Through analysis of H-profiled-steel trusses'characteristics the author puts forward construction technology of making member in factory assembling on site and hoisting piece by piece and then installing connection rods in high-sky.The technology furthest reduces high-sky working lows cost shortens construction period and guarantees construction safety.The author mainly. shows hoisting technology by double cranes. Key words:steel structures:H-profiled-steel truss;hoisting:hoisting by double cranes;prefabrication 1工程概况 桥的2福桁架先在地面安装位置附近整体拼装好， 本观光天桥钢结构由2H型钢桁架及其上然后采用双机抬吊分别将其吊至安装位置，2福桁 下弦连杆组成，屋面系统为形擦条及单层彩钢 架就位后，在桁架下方搭设满堂脚手架操作平台， 板，设有内天沟.屋顶设有由角钢构成的角桁架 再在高空散装桁架间的连杆，最后安装屋面系统等. (装饰性构架).在钢结构下弦设有压型钢板及混3施工方法 凝土楼承板.H型钢桁架下弦两端通过球形支座与 本工程钢结构安装支座高度为18.950m 将钢 混凝土牛腿上的预埋件焊接连接，钢桁架上弦两端 桥架廊道的2福桁架先在地面安装位置附近整体拼 与混凝土柱上的预埋件采用高强螺栓连接.混凝 装好，然后采用双机抬吊分别将其吊至安装位置， 土牛腿标高为18.700m.钢结构桁架廊道长 先吊远离起重机站位处1福，后吊离起重机站位处 43.4m 高6.3m 其中钢桁架高为4.4...
施工技术 2017年9月下 8 CONSTRUCTION TECHNOLOGY 第46卷第18期 D0I:10.7672/sjs2017180008 某装配式钢结构住宅项目施工技术 曹启光，张永辉 (北京建谊建筑工程有限公司，北京100068) [摘要]通过丰台区成寿寺B5地块定向安置房项目对装配式建筑的钢结构体系、楼板体系、墙板体系及设备体系 进行介绍，并通过实践总结装配式建筑在技术专业，设计专业、经营模式及成本管理方面的注意事项及相关优缺 点、重难点等施工经验. [关键词]钢结构；装配式建筑；住宅；建筑信息模型：预制楼板 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2017)18-0008-03 Construction of Assembled Steel Structure Residence CAO Qiguang ZHANG Yonghui (Beijing Jianyi Construction Engineering Co.Lad.Beijing 100068 China) Abstract:Prefabricated construction of steel structure floor system wall system and equipment system are introduced based on Fengtai District Chengshousi Plots B5 purposive prearrangement housing project. Experience of notes and related advantages and disadvantages difficulties on design construction operation and management of assembling buildings are shared. Key words:steel structures;fabricated buildings;residence;building information modeling(BIM); prefabricated floor slab 装配式建筑是指把建筑需要的楼板、墙体、楼体化内装系统. 梯等预制构件在企业车间按标准批量生产，运至施 工现场装配的建筑.主要包括预制装配式混凝土 结构、钢结构、现代木结构建筑等，采用标准化设 计、工厂化生产、装配化施工、信息化管理、智能化 应用.装配式建筑可显著提高建筑综合品质和性 能、施工安全和质量，可有效减少用工、缩短工期、 提高生产效率，明显减少资源、能源消耗以及建筑 垃圾、噪声、粉尘等污染物排放，绿色环保，提高绿 图1钢结构住宅项目效果 色建筑和节能建筑建造水平，促进传统建造方式转 Fig.I Architecture effect of steel-structure 型升级. assembled residence 1工程概况 2钢结构住宅结构体系 北京丰台区成寿寺B5地块定向安置房项目是 本项目地下车库与主体结构、坡道、楼梯均为 北京市首个装配式钢结构住宅项目的示范工程. 钢框架结构. 项目总用地面积6691.2m2 4栋9~16层装配式钢 竖向构件地下部分为组立焊接钢柱，地上部分 结构住宅（见图1）总建筑面积31685.49m2 采用钢 为成品方管钢柱.与焊接钢柱相比，成品方管钢柱 管混凝土框架组合钢板剪力墙（阻尼器）结构形 加工工期大大缩短，保证现场安装进...
