[关键词]建筑;优质高效建造;施工技术;技术清单;信息化预警管理平台;工程管理 [中图分类号】TU74 [文献标识码]A [文章编号】1002-8498(2017)04-0095-05 Research ofExcellent-quality andHigh-efficiency Construction TechnologiesofBuildingEngineering Wang Bin'.²,Linghu Yan'Zhang Ming²,Luo Yingzhou² (1.China Construction Fourth Engineering Division Co.,Lad.,Guangzhou,Guangdong 510310,China; 2.The First Construction Co.,Ltd.of China Fourth Construction Bureau,Guangzhou,Guangdong 510300,China) Abstract:The schedule of construction is one of the decisive factors in success or failure of the project, and is received attention of all construction units. However,blindly speeding up the construction schedule without advanced techniques usually causes risks of quality and safety accidents,and increase of the engineering cost. Based on six performance indexes of construction safety, construction quality, construction schedule,construction cost,green construction,advanced technology,the concept and quantitative evaluation method of excellent-quality and high-efficiency construction are presented. Optimization design,construction technology,effcient construction management technology list of excellent-quality and high-efficiency construction is innovatively proposed.Information early warning and management platform of excellent-quality and high-efficiency construction is developed to realize dynamically real-time warning and optimizational or prehensive management. Excellent-quality and high-eficiency construction technologies successfully resolve the contradictions between ...
[关键词】设计;施工;地下结构;优化方案;超长结构;深化设计 [中图分类号】TU74[文献标识码]A[文章编号】1002-8498(2011)01-0041-06 TheStudy andConsideration onSomeDesignIssues Affecting the Construction Zhang Tongbo (Qingjian Group Co.,Lud.,Qingdao, Shandong 266071,China) Abstract;Based on the research about some construction-related design issues, bining with a large number of engineering experiences,the influence of different design schemes on the time limit, cost, and quality is analyzed in foundation ditch treating,excavation,underground structures, super long structure, steel structure, decoration, installation subentry engineering. Some problems which should be paid attention to in the deepened design of the construction enterprise are rised and it es the conclusion that the key measure of perfect construction is the bination of design,construetion and the leading technology. Key words: design; construction; underground structure; optimization program; super-long structure; detailed design 1地基处理与基坑工程过对北川体育中心强夯方案与分层碾压回填技术经 1.1北川体育中心地基处理方案分析济对比可知,强夯方案不仅能满足设计承载力的要 北川体育中心是援川的重点项目,包括体育场求,而且造价低、施工速度快。
2010年5月 施工技术 第39卷第5期 CONSTRUCTION TECHNOLOGY 93 建筑外墙外保温应用问题分析 吕大鹏 (中国矿业大学(北京)科技产业处,北京100083) [摘要]外墙外保温系统技术和工程应用在我国已取得很大进步,但是由于多种综合因素的影响,总体状况不容乐 观.外墙外保温系统应用原则是技术、工艺、材料越成熟,用户受益越大.指出外墙外保温系统设计、选型、招标、 材料采购、施工、成本控制、工程质量控制及材料实验室检测过程中的问题,并通过工程案例说明解决措施. [关键词]节能;外墙外保温;应用原则;材料控制;施工质量 [中图分类号]TU201 [文献标识码]A [文章编号]1002-8498(2010)05-0093-03 Analysis on Application Problems of Exterior Wall External Insulation Technology Lo Dapeng (Science High-technology Department China University of Mining and Technology Beiyjing 100083 China) Abstract:Exterior wall external insulation technology and its project application have gotten great progress in China but there are still many problems in application because of various plicated factors.The application principle of exterior wall external insulation system is that the maturer the technology and material are the more benefit will be gained.Problems in exterior wall extermal insulation system design model selection biding purchasing investment control quality control and material testing in laboratory are proposed.Then solving measures for the problems are suggested. Key words:energy saving;exterior wall external insulation;application principle;material control; construction quality 1外墙外保温技术应用原则 2.1设计 外墙外保温系统技术、工艺材料越成熟,用户的 热工计算基本可以达标,但在施工图设计时,设计 受益越大.这是因为选用技术工艺成熟的产品,可以 人员对外墙外保温技术、工艺、材料了解程度各有不同, 有效保证系统功能作用的发挥,同时可以减少后期使 总体上不够深人.反映在以下几方面:①选择设计标准 用过程中的维修工作和费用支出. 不合理;②对标准中的内容理解有偏差;③贵任心不强. 目前,应用于我国的外墙外保温系统主要有以下 2.2选型 几种形式:膨胀聚苯板(EPS)薄抹灰外墙外保温系统、 选型应尽量以技术、...
2013年2月上 施工技术 第42卷第3期 CONSTRUCTION TECHNOLOGY 19 D01:10.7672/sgjs2013030019 建筑外墙外保温厚度选择及其经济性分析* 熊欢,刘建军 (西南石油大学土木工程与建筑学院,四川成都610500) [摘要]选取合理的外墙保温层厚度不仅能有效地改善建筑室内热环境,还能降低建筑能耗,取得良好的经济效 果.通过对建筑外墙外保温材料的投资费用和采暖空调运行费用分析,选取净现值、动态投资回收期以及经济效 益等评价指标对建筑外墙外保温不同厚度进行经济评价,确定其经济厚度.以成都某住宅建筑为例,结合DeST-h 的能耗模拟以及Matlab的曲线拟合功能,计算分析了外墙外保温使用EPS板的经济厚度,为不同地方选取建筑保 温层厚度提供了一种经济性分析方法. [关键词]建筑节能;保温;聚苯乙烯板;经济性 [中图分类号]TU111 [文献标识码]A [文章编号]1002-8498(2013)03-0019-04 Thickness Choice and Economic Analysis on Exterior Wall External Insulation Xiong Huan Liu Jianjun (School of Civil Engineering and Architecture Southwest Petroleum University Chengdu Sichuan 610500 China) Abstract:Selection of suitable external wall thermal insulation thickness can not only improve the indoor thermal environment of the building but also reduce the energy consumption and get good economic effect.By analysis to the investment costs of building exterior insulation material and the operation cost of heating air conditioning the economic effects of buildings with different external wall insulation thicknesses were evaluated and the optimum insulation thickness determined using dynamic investment recovery period and net present value and economic benefit as indexes.Taking a residential building in Chengdu for example using the energy consumption simulation of DeST-h and the curve fitting function of Matlab the optimum external wall insulation thickness was calculated when using EPS boards.The work provided an economic analysis method for ...
施工技术 2011年12月上 100 CONSTRUCTION TECHNOLOGY 第40卷第354期 建筑垃圾综合利用研究 杨卫国,王京,暴雷,郭栋 (邯郸职业技术学院建筑工程系,河北邯郸056001) [摘要]建筑垃圾综合利用制砖、墙板,是邯郸市在河北省3年大变样的发展进程中的一项科技计划项目.详细介 绍了建筑垃圾回收再利用的国内外研究现状,以及邯郸市建筑垃圾回收再利用的研究情况.深入探讨了由建筑垃 圾制作的轻质混凝土浇筑保温墙体的施工流程及效果检验,并对研究成果进行了分析.将建筑垃圾通过技术处理 加工,直接用于施工现场建筑构件的施工制作,缩短了建筑垃圾回收利用的周期,并创造了良好的经济和社会 效益. [关键词]垃圾处理;建筑垃圾;回收;可重用性 [中图分类号]X799.1 [文献标识码]A [文章编号]1002-8498(2011)23-0100-03 Study on Comprehensive Utilization of Construction Waste Yang Weiguo Wang Jing Bao Lei Guo Dong (Department of Civil Engineering Handan Polytechnic College Handan Hebei 056001 China) Abstract:Making brick and wallboard by construction waste is a science and technology project in Handan about three-year-changes in Hebei province.Based on recovery and reuse of construction waste the authors introduce research status at home and abroad in detail and describe recovery and reuse of construction waste in Handan;deeply discuss the construction process of lightweight concrete by construction waste pouring insulation wall and effect test analyze research results.The technology shortens recycling period of construction waste good economic benefits and social benefits are obtained. Key words:waste treatment;construction waste;recovery;reusability 随着城市化进程的推进,基础设施建设、房地分为3个级别. 产开发、旧城区改造过程中大批旧有建筑的拆除产 1)“低级利用”,如分拣利用,一般性回填等,占 生许多建筑垃圾,所带来的环境问题亟待解决. 建筑垃圾总量的50%~60%,如我国香港地区、美 通过建筑垃圾的再利用,一方面可以解决建筑 国的多山地区对建筑垃圾的处理主要是采用垃圾 施工过程中建筑垃圾的堆放,减少对环境的污染; 井深埋和堆填(主要以填海、填山谷为主)的方式. 另一方面也最大限度地节约能源,降低再生产的成 2)“中级利用”,如用做建筑物或道路的基础材 本,利国利民....
施工技术 2014年12月下 54 CONSTRUCTION TECHNOLOGY 第43卷第24期 D01:10.7672/sgjs2014240054 建筑企业风险控制能力评价指标体系分析* 吕宁华,刘玉强2,王培见2 (1.哈尔滨理工大学荣成学院,山东荣成264300;2.荣成九州工程监理有限公司,山东荣成264300) [摘要]合理分担风险是保障工程施工顺利进行、实现合同目标的重要措施.针对理论研究和实践操作中缺乏实 现风险分担的方法,通过对建筑企业施工风险重新界定与归类,在分析可控风险成因与特征的基础上,利用系统功 能分析方法提炼建筑企业风险控制能力要素,根据评价指标体系建立的原理,结合工作分解结构方法,确定建筑企 业施工风险控制能力评价指标体系,用以评价建筑企业对施工风险的控制能力,进而以建筑企业对施工风险控制 能力作为项目开发商与建筑企业间确定风险分担的直接依据. [关键词]项目管理;施工风险;风险分担;可控风险;风险控制能力;评价指标体系 [中图分类号]TU71;F224.5 [文献标识码]A [文章编号]1002-8498(2014)24-0054-04 Analysis on Evaluation Index System of Risk Controllable Capability of Construction Enterprises LǚNinghua' Liu Yuqiang2 Wang Peijian2 (1.Harbin University of Science and Technology Rongcheng Campus Rongcheng Shandong 264300 China: 2.Rongcheng Jiuzhou Engineering Supervision Co.Ltd.Rongcheng Shandong 264300 China) Abstract:For the proper execution and pletion of the construction contracts the reasonable risk allocation is an essential issue.There are lacks of method to allocate the risk between owners and contractors in both theory and practice the thesis redefined and reclassified the risk of construction in the contracts on the basis of analyzing causes and characters of controllable risks then the risk control capability factors of construction enterprise were refined.Based on the principle of evaluation index system and the method of work breakdown structure the thesis designed the evaluation index system of construction enterprise risk control capability which can be used to evaluate ...
2013年5月下 施工技术 第42卷第10期 CONSTRUCTION TECHNOLOGY 97 D0I:10.7672/5gjs2013100097 建筑企业BT项目承包能力分析 许炳,郑可心 (北方工业大学经济管理学院,北京100144) [摘要]从工程总承包模式角度,对D-B EPC与BT模式在实践应用中参与方关系、适用范围以及承担工作进行了 对比分析;从项目运行角度,对各模式项目要求建筑企业承担工作内容以及参与程度进行了对比分析,提出建筑企 业承包BT项目所应具备的6项关键承包能力:决策分析能力、投标谈判能力、合同管理能力、融资能力、移交和回 购风险管控能力以及社会关系资源支持能力. [关键词]项目管理;建筑企业;BT项目;项目承包 [中图分类号]TU71 [文献标识码]A [文章编号]1002-8498(2013)10-0097-03 Analysis on the Abilities of Construction Enterprises to Contract BT Projects Xu Bing Zheng Kexin (School of Economics and Management North China University of Technology Beijing 100144 China) Abstract:From the aspect of engineering general contract mode the three modes D-B EPC and BT are pared in terms of the relationship of participants the scope of application and the work undertaken. From the aspect of project operation a parison is made among these modes regarding the work content and degree of participation of construction enterprises.It is proposed that construction enterprises should have six key abilities to contract BT projects including the decision analysis ability tender negotiation ability contract management ability financing ability the ability of risk management and control during transferring and repurchasing and the ability to obtain social relation and resource support. Key words:project management;construction enterprises;BT project;project contract BT模式是BOT模式在实践应用中形成的变换建BT项目公司进行投资、融资和建造,在工程竣工 形式,在BT项目的运行过程中承包商省去了企业 后按合同约定进行工程移交并从业主的支付中收 经营项目的过程,只承担投融资、建造和移交回购 回投资.可以看出,BT模式是一种包...
2012年8月下 施工技术 第41卷第371期 CONSTRUCTION TECHNOLOGY 61 建筑业行业竞争结构现状分析与优化建议 唐菁菁1,焦楠,胡曙海2,赵挺生1 (1.华中科技大学土木工程与力学学院,湖北武汉430074; 2.湖北省建设工程造价管理总站,湖北武汉430070) [摘要]围绕建筑业行业竞争结构,就行业集中度、企业结构、员工规模等三方面定量计算并与发达国家或地区相 比较,指出现阶段我国建筑业行业竞争结构不尽合理,存在行业集中度较低、建筑企业规模整体偏大等问题.“十 二五”期间是我国建筑业行业竞争结构进一步调整的关键时期,建议从培育金字塔形的企业结构、促进各类企业健 康发展、增强企业竞争力、适度提高行业进人壁垒、加强市场有效监管等方面优化行业竞争结构. [关键词]项目管理;建筑业;行业竞争结构;集中度;优化 [中图分类号]TU71 [文献标识码]A. [文章编号]1002-8498(2012)16-0061-05 Present Situation Analysis and Optimized Suggestions for ; Competition Structure in Construction Industry Tang Jingjing' Jiao Nan' Hu Shuhai2 Zhao Tingsheng' (1.School of Civil Engineering Mechanics Huazhong University of Science and Technology Wuhan Hubei 430074 China:2.General Department for Hubei Construction Engineering Cost Management Wuhan Hubei 430070 China) Abstract:To analyze the petition structure of construction industry the data of market concentration ratio enterprise structure and the size of work force were statistically evaluated and pared with developed countries.The parison shows that the domestic construction market suffers from vicious petition low industry concentration ratio and over-sized enterprise scale etc.In the Twelfth Five-Year Plan it is vital to fix such problems.They can be overe by optimizing enterprise structure to pyramid shape encouraging sustainable development of enterprises improving enterprise petitiveness rising industry barrier to avoid vicious petition and enhancing market supervision and regu...
[关键词】工程管理;建筑业;可持续发展;电子化服务 :[中图分类号】TU717[文献标识码】A[文章编号]1002-8498(2011)16-0004-03 ElectronicServicein ConstructionIndustryImproving theSpeed ofSustainableDevelopment Lin Linxiong (Guangdong Haohe Construction Co.,Lad.,Guangzhou,Guangdong 510663,China) Abstract: Under the condition of energy-saving and emission reduction all over the word, for the disadvantages of high energy consumption and pollution at construction field,electronic service of construction is put forward to improve the speed of sustainable development. The situation,trend of development and challenge of service industry forconstructionfieldareintroduced.Theaimof sustainable development in Taiwan of China is described from its surrounding circumstances, economy and society. The plan of electronic service organization is introduced,and the main fields of application and knowledge management of electronic service are introduced from the degree of construction corporation and industry. Key words:project management;construction industry;sustainable development;electronic service 笔者在建筑领域工作30余年,与中国台湾建筑1.1中国台湾建筑领域相关服务产业现状 业一起经历了从规范化发展、快速发展进人成熟发展据统计数据显示,在中国台湾提供建筑领域相 各阶段。
[关键词】3D打印:打印材料;抗拉强度;设计;应用 [中图分类号】TU741.3[文献标识码】A[文章编号】1002-8498(2015)17-0079-05 CurrentSituation andProspectof 3DPrinting Technology inBuildingField Tian Wei'²,XiaoXuwen?,Miao Dongmei (1.China Construction Eighth Engineering Division Co.,Lud.,Shanghai 200135,China; 2.CollegefCivilEngineering and Architeeture,ZhejiangUniersity,Hangzhou,Zhjiang310058,Chna; 3.China State Construction Engineering Co.,Lud.,Bejing 100037,China)
special printing material to construct houses through layer by layer printing. The efect of architecture 3D printing on our economy and society is firstly introduced,and development state of architecture 3D printing in construction field is then fully investigated. Subsequently, some thoughts on the development of architecture 3D printing are proposed after the analysis of current situation and potential issues which exist in the practice of 3D printing technology in construction area.Finally,a discussion of application and prospect of 3D printing technology in building area is presented. Key words:3D printing;printing materials; tensile strength; design; application 改革开放以来,建筑业已经发展成为我国国民打印技术将引发第三次工业革命2。
2014年6月下 施工技术 第43卷第12期 CONSTRUCTION TECHNOLOGY 35 D0I:10.7672/5js2014120035 平面弧形双开工作闸门安装及调试施工技术 陈新 (武警水电第二总队第四支队,江西南昌330096) [摘要]平面弧形双开工作闸门是水工钢闸门的一种,结构形式已越来越多地被应用于水利工程建设中.渠道的 节制闸利用闸门启闭,调节上游水位和下泄流量,以满足向下一级渠道分水或控制、截断水流的需要.现就南水北 调中线引江济汉干渠拾桥河左岸节制闸平面弧形双开工作闸门施工要点,对闸门安装及调试施工技术做详细 介绍. [关键词]节制闸;闸门;安装;焊接;调试 [中图分类号]TV663.2 [文献标识码]A [文章编号]1002-8498(2014)12-0035-05 Construction of the Sluice Planar and Curved Double Gate Installation and Commissioning Chen Xin No.4 Detachment of No.2 Hydropower of Armed Police Nanchang Jiangxi 330096 China) Abstract:The sluice planar and curved double gate is a kind of hydraulic steel gate structure which has been more and more widely used in the construction of water conservancy project.The sluice controlling gate regulates the upstream water level and discharge using the gate opening and closing to meet the needs of the next level of channel control and the water cutting.The construction key points of Shiqiao River sluice planar and curved double gate for The South-to-north Water Transfer Middle Route Water Diversion Canal is put forward and the installation and missioning for the gate is deseribed in detail. Key words:controlling sluice;gate;installation;welding;missioning 1工程概况 拾桥河左岸节制闸位于南水北调中线引江济 交分路 汉干渠桩号K28307一K28491段,全长184m 主要布有上游混凝土铺盖、闸室段、下游混凝土护 坦.闸孔及通航孔口净宽为60m 底槛高程 050排水孔 可虹 26.17m.节制闸采用1孔平面弧形双开工作闸门, 缩 如图1所示.对开弧形工作门由2扇弧形钢闸门组 成,沿闸纵轴线对称布置,2个支铰装置分别布置在 43 始 入护 左、右两岸,单扇弧门面板外缘半径为45m 弧门外 侧面板总弧长40m 门高7.9m 结构质量达545t 门 交会路 体主材为Q235B.支铰中心距闸孔边墙5m.通...
2011年12月下 施工技术 第40卷第355期 CONSTRUCTION TECHNOLOGY 21 平安国际金融中心深基坑支护技术 赵行立 (深圳市地质局,广东深圳518000) [摘要]平安国际金融中心设计为5层地下室,基坑深32m.基坑周边环境非常复杂,开挖支护难度极大.结合工 程地质条件及地下水情况,采用支护桩内支撑周边封闭式止水帷幕的支护方案.并对地表沉降及位移、建筑 物及地下管线变形、地下水位、桩顶位移、土体沉降、支撑轴力及立柱变形等进行监测.通过分析监测成果进一步 指导施工,以保证基坑及周边建筑安全. [关键词]地下工程;超深基坑;支护;监测 [中图分类号]TU473 [文献标识码]A[文章墙号]1002-8498(2011)24-0021-05 Supporting of Super-deep Foundation Excavation of Ping'an International Financial Center Zhao Xingli Geological Bureau of Shenzhen' Shenzhen Guangdong 518000 China) Abstract:Ping'an International Financial Center is designed with 5-floors basement and the depth of foundation excavation is 32m.The surrounding environment of the foundation excavation is very plicated.The retaining method of support piles and internal supporting with surrounding waterproof curtains is adopted.Moreover some parameters are monitored to provide guidance for construction and ensure safety of surrounding buildings such as the surface settlement and displacement deformation of buildings and underground pipelines underground water levels displacement of pile top soil settlement supports axial stress and vertical columns deformation. Key words:underground;super-deep foundation excavation;supporting;monitoring 1工程概况 表1场地主要岩土层参数 平安国际金融中心项目总投资90亿元,工程用 Table 1 Parameters of fleld soil 地面积18931m2 总建筑面积460665m2 为超高层 土层 层厚/重度/粘聚力/内摩擦摩阻力/ 办公楼,塔楼地面以上高588m 115层,目前为中国 名称 m(kNm-3)kPa 角/()kPa 第一高楼.设有5层地下室,基坑开挖深度32m. ①人工填土 4.76 17.0 10 8 40 该基坑周边环境相当复杂,位于深圳市福田中心区. ②粉质黏土 3.32 16.0 10...
2011年7月上 施工技术 第40卷第344期 CONSTRUCTION TECHNOLOGY 35 平姚某基坑土钉墙支护施工监测分析 张国超,侯智勇 (平煤建工集团有限公司土建处,河南平顶山467000) [摘要]对平姚某基坑土钉墙施工过程采取了有效的监测手段,通过对监测数据进行分析,及时发现了局部土体开 裂,对裂缝产生的原因进行了分析并及时采取了设置拉结筋、加大注浆压力等有效的加固措施阻止了裂缝的发展, 使位移收敛点在预期时间内.监测结果表明,基坑位移存在一定的滞后效应,监测工作应持续到结构稳定之后. [关键词]深基坑支护;土钉墙;施工监测;水平位移;沉降位移 [中图分类号]TU413.62 [文献标识码]A[文章编号]1002-8498(2011)13-0035-03 Construction Monitoring Analysis of Soil Nailing Wall Support of Some Engineering in Pingyao Zhang Guochao Hou Zhiyong Construction Department of Pingmei Construction Engineering Group Co.Ltd.Pingdingshan He'nan 467000 China) Abstract:Effective monitoring measures are adopted in some soil nailing wall support engineering in Pingyao.Based on analysis of monitoring data local soil crack is found in time and the reason is analyzed.Some measures as setting tie bars and increasing grouting pressure are taken to make displacement convergence point in expected time and prevent crack development.The monitoring results show that there is hysteresis effect in foundation excavation displacement and monitoring work should be kept on until the structure stable. Key words:deep foundation excavation support;soil nailing wall;construction monitoring;horizontal displacement;subsidence displacement 1工程概况 定性为前提,既考虑边坡整体稳定性,又考虑施工过 本工程为平姚输煤通道火车卸煤楼及1号转运 程中的稳定性.因此喷射混凝土面层均按构造要求 站联合建筑,基坑上口全长230m 两端的1号转运 设计,厚度100mm 平台以下喷射120mm厚混凝土, 站基坑和皮带张紧上口尺寸35.5m×35.5m 中间 混凝土强度等级为C25 内配1层钢筋网和12通 长170m的通道上口宽26m 设计开挖深度12.21m 长菱形加强筋.土钉采用25Ⅱ级螺纹钢,如图1 基坑两端的局部开挖深度19.50m 周围无重要的建 所示.土钉孔径1...
[关键词】钢管柱;节点;加工;轧制;拼装;焊接 [中图分类号]TU758.16【文献标识码]A[文章编号]1002-8498(2016)02-0048-05 ProcessingTechnologyResearchof GiantSteel Tube Column Round-square Joint Liu Jun,Liu Huan,Zhang Hao,Gao Yonggang,ChenZhi,MengXiangchong (China Construction Steel Structure Co.,Ld.,Shenzhen,Guangdong 518040,China) Abstract:In recent years, the tall and super-tall buildings have rapid worldwide development.Moderm artistic aesthetic appearance.The project of Chongqing Ruian‘Sail of Jialing River'has concluded a set joint through theoretical calculating and practical applying,whichissimple and practical and canbe used to direct the procedure of cutting,pressing,assembling and welding of joint-transition.By using this
appearance. Key words:steel tube column; joints;processing; suppressing; assembly;welding 1工程概况称圆方节点。
[关键词]钢结构;框架;焊接;残余应力;控制 【中图分类号】TU758.162【文献标识码】A[文章编号]1002-8498(2012)20-0093-03 Control Technology on Welding Residual Stress of MegaSteelFrame Structure
(1.School of Civil Engineering,Guangzhou University,Guangzhou,Guangdong 510006,China; 2.The Fijth Research and Design Institute of Nuclear Industry,Zhengzhou,He'nan 450052,China; 3.Zhejiang Southeast Space Frame Co.,Lad.,Hangzhou,Zhejang 311209,China) Abstract:The cause and main influence of welding residual stress are introduced, and the control technology and treatment measures after welding are also discussed. Combining with the welding project of huge plex steel frame structure in Guangdong Science Center, the applications of control technology on welding residual stress are emphatically introduced,which effectively ensure the quality of welding seam and well solve the problem of welding residual stress. Key words:steel structures;frame; welding;residual stress; control 随着我国国民经济的不断发展,各种大型空间1焊接残余应力产生的原因 结构建设规模越来越大。
[关键词】钢结构;框架;预应力;拉索;支撑;数值模拟 [中图分类号]TU758.11 [文献标识码】A [文章编号]1002-8498(2016)02-0075-04 StructuralAnalysisofConstructingProcessforMega Frame and Cable BracingStructure Guo Junyuan,Chen Song,Zhang Yong,Tang Baijian (SchoolofArchitecture and CivilEngineering,Jiangsu Universty ofScience and Technology,Zhenjang,Jiangsu 212003,China) Abstract;This papermainly presents structural deformation and internal force variation ofmega frame- cable bracing structure throughout the construction process under given construction scheme.Structural deformation,especially formega beam span deflection,hasmutation when prestressed cables are being stretched and substructures are being lifted during the construction process.Mega column axial force gradually increases and moment as well as shear force is greatly influenced by the process of stretching prestressed cable.Internalforceofmega beamislargelyinfluenced by stretching pre-stressed cableof the upper largelayerandlifting thesubstructure of the current largelayer.Theconclusionabove canprovide theoretic guidance for the design and optimum of the structural construction. Key words:steel structures;frame;prestressing;tensioning cables;supports;simulation 1模型及软件设置[16] 楼板,面层为80mm厚的C30混凝土。
[关键词]圆环结构;整体旋转起扳;起扳参数;变形预调;拆索顺序;节点构造 【中图分类号]TU391.9[文献标识码】A【文章编号】1002-8498(2010)08-0017-07
Guo Yanlin', Lan Tao²,Zhao Siyuan', Zhang Bohao' (1.School of Civil Enginering,Tsinghu University,Bejing100084,China; 2.School of Civil Engineering, Xian Univesity of Architecture and Technology,Xian,Shaanxi710055,China) Abstract:The study of construction scheme for a rigid mega ring-shaped steel structure is presented.A renovate installation method, namely rotating and pulling ring steel structure, is developed and introduced in this study.Firstly, the ring steel structure is assembled into the whole structure in horizontal in-plane state on the ground by welding and connecting substructure together, and further is strengthened temporarily by cables. Secondly, the whole structure is arranged to rotate by pulling it into a vertical plane state and to be fixed on the ground. A time-varying FE model reflecting a full construction process was utilized to analyze the ring steel structure construction, and the obtained results will be referenced directly in structural design and construction control. In addition, pre-set construction deformations of ring steel structure result from structural gravity in the vertical state were considered in the state of ponents manufacture. The design and construction details of key joints during the installation are also proposed. d e u uo ud e re ts s puso parameter; pre-set construction deformation; removing cable sequence; joint structure 1工程概况地震不起控制作用。
2016年8月上 施工技术 第45卷第15期 CONSTRUCTION TECHNOLOGY 45 D0I:10.7672/8js2016150045 巨型框架结构地脚锚栓群装配整体式安装技术 王宏1,马义俊1,翟海雁1 2 3,彭明祥4,邵新字1,刘海,赵思远1 (1.中建钢构有限公司,广东深例)518040;2.清华大学土木工程系,北京100084; 3 中国建就工程总公司技术中心,北京101399;4,中建三局集团有限公司,北京100097) [摘委]舒对压型框架建筑栓群的精度控制难和起吊任务繁重等安装向题,提出一种新型装配整体式栓安装 套架及其容装方法,诚方法的自造应拉术具有现操作性强、安全性高、构造简单、传构稳团、可实现高精度定位, 短时间内实现了密集高强锚栓群的容装行业,短工期同时严梅保证栓容装精度,取得了转好的实际应用效果. [关键询]高居建;安装;地脚栓;框架结构;装配整体式 [中图分类号]TU375.4 [献标识码]A[交章编号]1002-8498(2016)15-0045-05 An Assemble Monolithic Installation Technology of Anchor Bolts in Mega Frame Structures Wang Hong' Ma Yijun' Qu Haiyan.2.3 Peng Mingxiang Shao Xinyu' Liu Hai' Zhao Siyuan' (1.China Construction Steel Structure Co.Ld.Shenzhen Guangdong 518040 China;2.Department of Ciuil Engineering Tsinghua University Beijing 100084 China;3.China State Construction Engineering Corporation Technology Center Beijing 101399 China:4.China Construction Third Engineering Bureau Group Co.Lad.Beijing 100097 China) Abstract:For precision control of mega frame building anchor bolt group and lifting tasks such as heavy installation problems a new assembled integral type anchor bolt mounting bracket and installation method are put forward.The method of adaptive techniques with strong field operability high safety simple structure stability is introduced achieving high positioning accuracy and shortening period of time of the dense construction high strength bolt group installation which ensures anchor bolt installation accuracy and satisfactory results are a...
施工技术 2010年7月 32 CONSTRUCTION TECHNOLOGY 第39卷第7期 巨型桁架体系次结构施工过程力学分析 曾强1,黄川2,程睿,鲍广鉴 (1.重庆大学土木工程学院,重庆400045;2.中冶赛迪工程技术股份有限公司,重庆400013) [摘要]巨型桁架结构主要由巨型柱、巨型斜撑和巨型桁架构成.在巨型桁架结构的修建过程中,巨型斜撑发挥了 特殊的传力卸载作用,与常规竖向结构传力途径存在较大差别.研究钢结构巨型桁架体系次结构的预起拱问题, 以及安装过程中关键构件内力变化过程.利用通用有限元平台编制分析程序,对核心筒超前施工条件下巨型桁架 预起拱的间题进行仿真分析,将仿真计算结果、常规计算和实际测量数据进行比较分析,并对巨型桁架体系次结构 .施工过程的内力变化特点进行深人研究. [关键词]上海环球金融中心;次结构;巨型桁架体系;预拱值;有限元分析 [中图分类号]TU323.4 [文献标识码]A[文章编号]1002-8498(2010)07-0032-03 Substructure Mechanical Analysis of Mega-truss System During Construction Zeng Qiang' Huang Chuan2 Cheng Rui' Bao Guangjian' (1.Department of Civil Engineering Chongging Unisersity Chongging 400045 China; 2.MCC Cisdi Engineering Co.Ld.Chongging 400013 China) Abstract:Mega-truss system is posed of mega-column mega-truss and mega-brace.During the construction process of mega-truss system mega-brace plays a special role to deliver the force paring with general structure.Authors focuse on the substructure pre-arch of mega-truss system and the variation of key-member force during construction.Depending on piling special program on general finite element analysis program platform authors pare the calculation results between numerical analysis considering core building in first construction method and normal structure design analysis method. Furthermore the detail analysis on the member-fore character of the substructure during construction process is given. Key words:Shanghai World Financial Center;substructure;mega-truss system;pre-ar...
2011年4月上 施工技术 第40卷第338期 CONSTRUCTION TECHNOLOGY 工法的编写与应用 孙振声 (中国建筑业协会专家委员会,北京100081) [摘要]对工法的内涵和特点进行了介绍,指出了工法推广工作对提高工程质量、增加社会经济效益、提高企业自 身技术水平和推动设计施工一体化等方面所具有的重要意义.提出了工法开发和编写的方向,并对企业如何加强 工法工作提出了建议.从工法的选题分类、编写内容和注意事项3方面对工法的编写进行了详细的闹述. [关键词]工法;创新;设计施工一体化;节能减排;知识产权;编写 [中图分类号]TU711 [文献标识码]A[文章编号]1002-8498(2011)07-0001-04 Compilation and Application of Construction Method Sun Zhensheng Expert Committee China Construction Industry Association Beijing 100081.China) Abstract:Connotation and characteristics of construction method are introduced and significance such as improving engineering quality increasing social and economic benefit improving technical level of enterprise and promoting design-construction integration is pointed out.The author proposes the direction of development and pilation of construction method and gives advice for strengthening construction method.Compilation of construction method is expounded in detail from aspect of topic selection content and attentions. Key words:construction method;innovation;design-construction integration;energy saving and emission reduction:intellectual property;pilation 1国家级工法的发展状况 全国共申报840项工法,评审通过348项,升级版 住房与城乡建设部、中国建筑业协会已先后组20项;②2007一2008年全国共申报1694项工 织9次国家级工法评审工作,自国家级工法具体管法,评审通过360项,升级版57项. 理工作委托中国建筑业协会承担以来,已组织了62工法的内涵 次工法评审,施工企业的重视和认识程度逐年提高, 工法是以工程为对象,工艺为核心,运用系统工 许多企业还建立了工法管理制度,如中国建筑工程程的原理,把先进技术和科学管理结合起来,经过工 总公司等已形成了一整套工法开发、编写和应用的程实践形成的综合配套的施工方法. 产、学、研体系,为企业带来了明显的效益,有些工法 2.1针对性和实践性 已成为企业竞争的有力武器.近几年,全国各施工 一项工程,特别是科技含量较高的工程,由于...