施工技术 2012年9月下 46 CONSTRUCTION TECHNOLOGY 第41卷第373期 海控国际广场避难层结构综合施工技术 王冬冬,高振洲,李松,李湘黔 (中国建筑第六工程有限公司华东分公司,江苏南京210016) [摘要]海控国际广场A座总建筑高度249.7m 在6 17 32 51层分别设置了避难层和设备转换层,其中17 32 51 层为伸臂桁架结构避难层,层高5.5m 共设置8福外伸臂桁架和4福核心筒内置桁架,与外框钢结构环状桁架形成 加强层.合理的施工流程设计与精确的钢结构安装以及钢筋工程、混凝土工程、模板工程、钢结构工程的施工交叉 与配合是保证伸臂桁架避难层施工质量的关键.重点介绍伸臂桁架避难层各项工序的施工重点与交叉配合,保证 了工程质量和总体进度,取得了预期经济效益和社会效益. [关键词]高层建筑;钢结构;避难层;伸臂桁架;核心简 [中图分类号]TU71 [文献标识码]A [文章编号]1002-8498(2012)18-0046-04 The Comprehensive Construction Technology for the Refuge Floors of HNA International Mansion Wang Dongdong Gao Zhenzhou Li Song Li Xiangqian Huadong Branch of China Construction Sixth Engineering Bureau Co.Lid.Nanjing Jiangsu 210016 China) Abstract:Tower A of HNA International Mansion is 249.7m in building height and refuge and M&E transfer floors are located at floor 6 17 32 51.Moreover the floor 17 32 51 are overhanging truss structure for refuge purpose.Each of the three refuge floor height is 5.5m.Eight pieces of overhanging truss and 4 pieces of inner core wall truss are placed in each floor which forming strengthening floor with steel circle truss of outer frame.The key items to ensure the construction quality are reasonable work process accurate steel erection as well as crossing and bination of steel rebar installation concrete work formwork and steel structures.The paper introduces construction importance and crossing and bination construction to ensure the quality and schedule.Then good economical and social benefit is obtained. K...
施工技术 2013年8月上 40 CONSTRUCTION TECHNOLOGY 第42卷第15期 D0I:10.7672/sgjs2013150040 海控国际广场超高空屋顶空间网架施工技术* 吕运星,陈曾2,张磊1,王永年 (1.中建钢构有限公司,广东深圳518040;2.天津生态城公屋建设有限公司,天津300000) [摘要]海控国际广场项目建筑高度249.7m 其结构标高213.700~249.700m为拱形空间异形网架结构.该部分 结构体系复杂,单拱最大跨度36.2m 最大高度36m 且处于超高空施工,受环境条件影响大,决定采用无胎架支撑 安装方法.通过对施工过程的模拟分析,证明该方法可行,并将施工监测数据与施工模拟结构进行对比分析,及时 ,保证施工安全性.对比实施方案证明无胎架施工减少了施工措施投入,施工更加经济、快捷. [关键词]高层建筑;空间网架;有限元分析;施工技术 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2013)15-0040-04 Construction Technology of Spacial Grid Structure at High-altitude Roof in HNA International Plaza LǚYunxing' Chen Ceng2 Zhang Lei' Wang Yongnian' (1.China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China; 2.Tianjin Eco-city Housing Construction Co.Lid.Tianjin 300000 China) Abstract:The HNA International Plaza is 249.7m at height.The spacial arch-shaped grid structure locates at structural elevation of 213.700 ~249.700m.The grid structure is plex.The maxmum single-arch span is 36.2m and the maximum arch height is 36m.The grid structure is constructed at super-high altitude and influenced by enviromental conditions so the structure will be installed by method of no supporting frame.Finite element analysis is done to calculate the construction process.By paring calculating and monitoring results the method is feasible and the construction safety is ensured.The paring scheme shows that the construction methods without supporting forms reduce the construction measure investment and the construction is co...
施工技术 2012年8月下 44 CONSTRUCTION TECHNOLOGY 第41卷第371期 海外市政工程图纸设计与管理 宋志平,王力尚,董伟,刘丽州,刘永浩 (中建海外中东有限公司,阿联酋迪拜) [摘要]针对海外市政工程设计施工一体化施工特点,介绍了图纸开工初期的准备工作,在施工深化设计过程中道 路、管线、道路的标志和标识、交通信号灯系统设计以及结构工程施工图设计等分项工程的设计内容、技巧,以及图 纸的申报、发放管理方法.图纸设计与管理工作执行中必须保证准确性,这样才能保证项目按期完工. [关键词]项目管理;市政工程;工程图纸;设计 [中图分类号]TU721.2 [文献标识码]A[文章编号]1002-8498(2012)16-0044-05 Shop Drawing Design and Management of Municipal Project of Overseas Song Zhiping Wang Lishang Dong Wei Liu Lizhou Liu Yonghao China State Construction Engineering Corporation Middle East L.L.C. Dubai UAE) Abstract:With respect to the technical characteristics of design-build method applied in oversea civil and infrastructure project this paper introduced the preparation during the initial phase of shop drawing design and marking of roads pipelines landmarks and signal lamps etc.during the detailed design phase.The design and techniques for sub-system such as construction drawing is also introduced as well as the management of drawing declaration and issuing.Accuracies must be guaranteed during the design and management of shop drawings to insure that the project can be finished on schedule. Key words:project management;municipal project;engineering shop drawing;design 在海外从事市政工程施工技术管理工作,与国准备工作主要有以下几项. 内从事技术工作相比,最大的差别在于加入了设计 1)原地面标高图该图是在测量原始数据基 的职能.这就意味着承包商不仅需要承担施工责 础上形成的一张覆盖全部项目的原地表高程图,这 任,还要承担部分的设计责任.承包商从监理(设 是一张非常重要的施工原始记录图,与土方挖 计方)手里拿到的是合同图纸,用于指导施工还存 填有关的工程计量原始数据以此图为依据. 在一定的差距,需要承包商结合现场的实际情况进 此图的形成过程非常简单,将原始测量数据整 行深化设计,修改成施工图后,申报给监理工程师 理成Excel表格,保留...
2014年8月下 施工技术 第43卷第16期 CONSTRUCTION TECHNOLOGY 23 D0I:10.7672/5js2014160023 海军某工程硅藻装饰墙泥施工技术 王炎伟,陈赛菊,陆建飞 (中天建设集团有限公司,浙江杭州320000) [摘要]硅藻装饰墙泥与传统装饰壁材相比,具有净化空气、保温隔热、降低噪声等性能特点,其装饰表观效果可分 为平光面装饰面层、毛而喷涂和艺术面层3类,主要围绕该3类装饰效果介绍了相应的施工方法.硅藻装饰墙泥 为新型装饰材料经济效益较好,具有良好的推广价值. [关键词]装饰;硅藻;墙泥;平光面;毛面喷涂;艺术面层;施工技术 [中图分类号]TU532.64 [文献标识码]A [文章编号]1002-8498(2014)16-0023-03 Construction of Diatom Decoration Wall Mud in an Engineering Wang Yanwei Chen Saiju Lu Jianfei Zhongtian Construction Group Co.Lad.Hangzhou Zhejiang 320000 China) Abstract:Comparing with traditional decoration wall materials the diatom decoration wall mud has some advantages of air purification heat insulation and reducing noise.The decoration surface effects divide into three categories of smooth surface coarse surface and art surface.This paper mainly shows the corresponding construction method of three surfaces.The diatom decoration wall mud is a new kind of decoration material with good economic benefit and popularization value. Key words:decoration;diatom;wall mud;smooth surface;coarse surface spray;art surface;construction 海军9155工程总投资为2.57亿元,总建筑面耐老化、不褪色、粉化、掉渣、剥落等性能特点.施 积52908.4m2.其中地上建筑面积42355.5m2 地工前可以通过调整墙泥粉的颗粒大小、级配和颜色 下10552.9m2.地下2层、地上12层,总建筑高度 等,运用不同工具和施工表现手法,可以创造出各 为56.8m.本工程会议室及大堂顶棚采用装饰墙泥 具特色的装饰效果和多功能装饰界面.硅藻土装 施工工法施工,根据不同部位的设计要求,采用平 饰墙泥根据装饰表现效果可分为3类:①平光面装 面施工方法、喷涂施工方法、艺术纹理施工方法,达 饰面层表面平光并能展现不同颜色和纹理;②毛 到不同装饰效果,整个施工过程快捷、环保、无污染. 面喷涂可仿制石材粗犷质感,装饰面具有一定吸 硅藻装饰墙泥复合了硅藻矿物质的物理吸附 声降噪的声学效果;③艺术面层通过不同的工具 性能和离子交换性能,具有净化空气、保温隔热、降 可制作各类图案及造型.装饰...
施工技术 2015年9月上 120 CONSTRUCTION TECHNOLOGY 第44卷第17期 D0I:10.7672/sgjs2015170120 海上软土地基中大型钢板桩围堰加固技术 徐辉,梁治国 (上海建峰取业技术学院,上海201900) [摘要]三门核电一期排水口工程处于海滩软土地区,采取双排钢板桩围堰施工措施.施工过程中围堰产生了较 大变形,影响围护体系和坑内作业的安全.在分析变形产生原因的基础上,提出了围堰加固的措施并进行了加固, 取得了较好的效果. [关键词]地基;核电工程;围堰;钢板桩;加固 [中图分类号]U673.3[文献标识码]A[文章编号]1002-8498(2015)17-0120-04 Reinforcement Technology of Large-scale Steel Sheet Pile Cofferdam in Soft Foundation on the Sea Xu Hui Liang Zhiguo Shanghai Jianfeng Vocational College Shanghai 201900 China) Abstract:The outfall engineering in the first phase project of Sanmen Nuclear Power Station locates in soft soil area in a beach double-row steel sheet pile cofferdam is used.The cofferdam produces moderate finite deformation in construction which effects enclosure system and operation safety in foundation excavation.Based on the cause analysis of deformation this paper puts forward reinforcement measures good effect is obtained. Key words:foundations;nuclear power engineering;cofferdams;steel sheet piles;reinforcement 1工程概况 2地质情况(见图2) 三门核电一期工程是我国引进第三代压水堆 场地内地质情况如下:①4流泥浅灰黄色,土 核电技术自主化依托项目,采用国家全面技术引进 质较均匀,流动状.稍具腥臭味,含少量有机质,无 的第三代核电技术AP1000堆型,一期工程机组装 摇振反应,光滑,干强度高,韧性高.②淤泥灰 机容量为2台AP1000(1250MWe)核电机组,远期 色,质地均一、细腻,底部一般含有贝壳碎片及腐殖 规划容量为三期共6台AP1000核电机组. 质,无摇振反应,光滑,干强度高,韧性高,流塑.③ 一期工程排水口结构的干作业空间设计采用 黏土灰色青灰色,该层土质不均,局部为淤泥 双层钢板桩围堰形式,围堰形成后在内侧施工水泥 质黏土,夹薄层粉砂,含有少量贝壳碎片,局部见有 土搅拌桩,形成围堰基坑的围护体系,基坑开挖深 腐殖质,无摇振反应,稍有光滑,干强度高,韧性高, 度达9m.排水口呈喇叭口状,出口段宽67m 末端 流塑~软塑.①粉质黏土混角砾灰绿色,含5%~ 宽171m 整个围堰东西向长168m 中心线周长约 20%的角砾,砾径10~50mm 无摇振反应...
施工技术 2012年3月上 52 CONSTRUCTION TECHNOLOGY 第41卷第360期 海上超长超深嵌岩钻孔灌注桩施工技术 陈日胜1,周翰斌2 (1.中交四航局第一工程有限公司,广东广州510500; 2:中交第四航务工程局有限公司,广东广州510231) [摘要]以马来西亚槟城二桥工程为依托,研究了最大钻孔深度达133.15m、嵌入微风化硬岩的最大厚度达10m、覆 盖层以砂层与粉砂层为主的海上钻孔灌注桩的主要施工工艺和控制方法,包括施工平台布置、设备选型及改进、泥 浆控制、成孔参数调整、水下混凝土配制与灌注等.解决了该工程钻孔灌注桩施工中的重大技术难题. [关键词]桥梁工程;斜拉桥;钻孔灌注桩;嵌岩;施工技术 [中图分类号]U445.551[文献标识码]A[文章编号]1002-8498(2012)05-0052-05 Construction Technology of Super-deep Bored Pile with Built-in-super-thick-rock Offshore Chen Risheng' Zhou Hanbin2 (1.The First Engineering Company of CCCC Fourth Harbor Engineering Co. Lad.Guangzhou Guangdong 510500 China; 2.CCCC Fourth Harbor Engineering Co.Ltd.Guangahou Guangdong 510231 China) Abstract:Based on the Penang Second Bridge project in Malaysia at the conditions of the maximum boring depth reaches 133.15m and the maximum thickness built-in-slightly weathered hard-rock reaches 10m and the covered layers mostly are sand layers and mealy sand layers primary construction technologies and control methods for bored piles in sea are studied including the layout of construction platform equipment selection and its amelioration slurry control adjusting boring parameters concrete preparation and pouring under the water and so on.The difficulties are solved by primary construction technologies and control methods finally. Key words:bridges cable-stayed bridges;bored piles;rock-socketed;construction 1工程概况 长度范围内桩径为230cm 其他部分桩径为200cm. 马来西亚槟城二桥是目前中国企业在境外实灌注桩柱长为102.115~126.905m 从施工平台面 施的最长跨海桥梁项目,在中国海外建桥史上将具高程3....
施工技术 2014年7月下 96 CONSTRUCTION TECHNOLOGY 第43卷第14期 D0I:10.7672/sgj82014140096 济宁体育馆张弦屋盖施工张拉模拟分析与监测 张月强1,张峥1 2,丁洁民1 2 (1.同济大学土木工程学院,上海200092;2.同济大学建筑设计研究院,上海200092) [摘要]济宁体育馆根据各区域的功能不同分别采用弦支弯顶和张弦梁结构.弦支弯顶平面为矩形,施工张拉有 很大的难度.对弦支穹顶和张弦梁结构分别制定施工张拉方案,两部分独立进行张拉.通过对弦支穿顶和张弦梁 的施工张拉模拟,并与设计的初始预应力比较,说明施工张拉方案是可行的.同时对施工过程的监测方法和监测 内容进行研究,以对施工工程进行控制. [关键词]钢结构;弦支弯顶;张弦梁;张拉;监测;数值模拟 [中图分类号]TU311.41;TU758 [文献标识码]A [文章编号]1002-8498(2014)14-0096-07 Construction Tension Simulation Analysis and Monitoring of Ji'ning Gymnasium Roof Zhang Yueqiang' Zhang Zheng.2 Ding Jiemin1.2 (1.School of Civil Engineering Tongji University Shanghai 200092 China; 2.Architecture Design Research Institute of Tongji University Shanghai 200092 China) Abstract:According to the various regions of the different functions suspendome and beam string structure were used in Ji'ning Gymnasium respectively.Suspendome's plan is rectangular so tensioned construction have great difficulty.Suspendome and beam string structures were developed tensioning construction program respectively and two parts were tensioned independently.By construction tensioning simulation of suspendome and beam string and pared with the design initial prestress it is indicated that tensioning construction program is feasible.Meanwhile the monitoring methods and contents of construction process is studied to control the construction project. Key words:steel structures;suspendome;beam string;tensioning;monitoring;simulation 1工程概况 支穹顶结构体系.为了保证赛场上方电视屏幕的 济宁体育馆主体呈现连续...
施工技术 2013年8月上 100 CONSTRUCTION TECHNOLOGY 第42卷第15期 D0I:10.7672/8gjs2013150100 河道不断流工况条件下立体交叉结构施工 肖鹏 (上海市基础工程集团有限公司,上海200002) [摘要]上海外滩地区交通枢纽综合改造工程中,东西通道4标段洋泾港节点为4层交通体系交叉点,由上至下包 括新建洋泾港桥、洋泾港河道、东西通道地下部分、14号线盾构穿越.施工中采取断航限流的施工方案,即筑拦河 围堰,敷设导流管,筑临时道路,基坑全断面施工.指出了保障通航安全措施和防止污染措施等,保证了在洋泾港 不断流、主干道交通不中断前提下顺利完成东西通道和洋泾港桥结构施工. [关键词]港口工程;立体交叉结构;围堰;施工技术 [中图分类号]TU745.3 [文献标识码]A [文章编号]1002-8498(2013)15-0100-03 Construction of Cloverleaf Structure Under River Flows Constantly Working Xiao Peng Shanghai Foundation Engineering Group Co.Ltd. Shanghai 200002 China) Abstract:In prehensive renovation construction of bund transport hub Shanghai the Pidgin port node of No.4 tenders of east-west channel is four layers traffic system intersection.From top to bottom the cloverleaf structure includes new Pidgin port bridge the Pidgin port channel the underground part of east-west channel and shield crossing of subway line 14.Construction scheme of covering navigating and limiting flow during construction is adopted such as building river cofferdam laying pipe building temporary roads full-face excavation construction of foundation excavation.Moreover safety and anti- pollution measures are pointed out.The east-west channel and Pidgin port bridge structure is successfully pleted without interrupt the transporting of Pidgin port and main roads. Key words:ports and harbors;cloverleaf structures;cofferdams;construction 1工程概况 8m.老洋泾港桥跨度为22m.新建洋泾港桥宽度 上海外滩地区交通枢纽综合改造工程东西通为46.3m 分为3幅施工,中间幅与东西通道洋泾港 道西起延安东路隧道浦东出...
2016年1月下 施工技术 第45卷第2期 CONSTRUCTION TECHNOLOGY D0I:10.7672/sgjs2016020001 河北奥林匹克体育中心游泳馆钢结构 工程施工方案比选* 贾尚瑞,李娜,邢遵胜,郑波 (浙江精工钢结构集团有限公司,浙江绍兴312030) [摘要]通过河北奥林匹克体育中心游泳馆钢结构安装工程,系统介绍了4种可行的施工方案;并详细说明了滑移 施工和履带式起重机场外吊装2种施工方案细节;通过对2种方案在工期、施工便利性、经济性以及成型和附加内 力方面的分析比较,最终选择履带式起重机场外吊装施工方案作为钢结构安装方案. [关键词]体育馆;钢结构;施工方案;滑移;吊装 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2016)02-0001-04 Construction Scheme Comparison for the Steel Structure Project of Hebei Olympic Sports Center Natatorium Jia Shangrui Li Na Xing Zunsheng Zheng Bo Zhejiang Jinggong Steel Building Group Co.Ltd.Shaoxing Zhejiang 312030 China) Abstract:By the steel structure construction project of Hebei Olympic Sports Center Natatorium it systematically introduces four feasible construction schemes also detailedly explains the scheme details of sliding construction and hoisting construction of crawler crane outside structure.Through parison of two schemes in terms of time construction convenience economy the forming and additional internal force the hoisting construction of crawler crane outside structure was selected as the steel structure installation scheme. Key words:gymnasiums;steel structures;construction scheme;sliding;hoists 1工程概况 门拱桁架和14福大跨拱梁及梁间连系次构件组成. 河北奥林匹克体育中心位于河北省石家庄市拱梁采用规格为B1500×600×20×20焊接箱形截 正定新区,总建筑面积约12.5万m2 地下1层,地 面,拱脚与下部混凝土采用成品铰支座,如图2 上4层,由体育馆、游泳馆、综合馆及网球中心组成,所示. 如图1所示. 体育馆 游泳馆 1111 综合训练馆 及网球中心 880088 图1河北奥林匹克体育中心 Fig.1 Hebei Olympic Sports Center a轴视图 其中游泳馆屋盖为单层拱壳结构,平面尺寸 149m×122m 结构最大标高25.500m;由1福巨型 b侧视图 图2游泳馆屋盖钢结构...
2015年8月下 施工技术 第44卷第16期 CONSTRUCTION TECHNOLOGY 93 D0I:10.7672/sgj82015160093 汉江流域近堤浅滩深埋式承台支护体系 设计与受力性能研究 周鹏华 (中建三局集团有限公司工程总承包公司,湖北武汉430070) [摘要]以武汉江汉六桥工程防洪大堤内浅滩区域深埋式承台施工为背景,对承台开挖过程中深基坑稳定性与大 堤稳定性两者之间的相互关系进行分析,通过不同的支护方案进行对比分析,选择最合理的支护方案解除承台基 坑两侧不平衡土压力,保证承台施工安全及防护大堤稳定.结合实际工况,分析不平衡土压力对选定的承台深基 坑支护结构的影响,并在施工中对支护体系及防洪大堤进行位移监测,研究、验证了选定支护体系的安全性. [关键词]桥梁工程;深埋承台;支护结构;不平衡土压;稳定性;位移 [中图分类号]U443.2 [文献标识码]A[文章编号]1002-8498(2015)16-0093-05 Supporting System Design and Stress Performance Research of Deeply Buried Cap at Shoal Area Along Hanjiang River Zhou Penghua General Construction Company of CCTEB Group Co.Lad.Wuhan Hubei 430070 China) Abstract:Taking deeply buried cap construction at shoal area of flood control embankment in Wuhan Jianghan Sixth Bridge project as background the relationship of stability of deep foundation excavation and the embankment during the cap excavation is analyzed.By paring analysis of different retaining schemes the most rational retaining scheme is selected to eliminate unbalanced soil pressure both side of foundation which can assure the cap construction safety and embankment stability.Combining with practice conditions the influence of unbalance soil pressure to retaining structure of cap's deep foundation excavation was analyzed the displacement monitoring of retaining system and embankment was done the safety of retaining system was studied and verified. Key words:bridges;deeply buried cap;retaining structure;unbalance soil pressure; stability;displacement...
2014年9月上 施工技术 第43卷第17期 CONSTRUCTION TECHNOLOGY 73 D0I:10.7672/5js2014170073 桁架对顶推钢梁性能影响研究* 马重刚1,周鹏华1,朱海军12,谢小飞12,朱琳1,张利平 (1.中建三局集团有限公司工程总承包公司,湖北武汉430064: 2.湖北中建三局建筑工程技术有限责任公司,湖北武汉430070) [摘要]以武汉江汉六桥钢梁大跨顶推施工为背景,通过基本原理分析采用临时结构对钢梁刚度加强方式,并对不 同加强方案进行对比分析,选取合理覆盖范围的桁架结构,以减小顶推最大悬臂⑨0m时导梁前端挠度及钢梁应力; 通过对各个顶推施工阶段计算分析和实际施工监测表明,采用桁架结构能够很好地解决导梁挠度过大和钢梁应力 水平过高的问题. [关键词]桥梁工程:悬索桥;钢梁;顶推技术;桁架;施工技术 [中图分类号]U445.462 [文献标识码]A [文章编号]1002-8498(2014)17-0073-04 Study on the Effect of Truss on the Properties of Incremental Launching Construction for Steel Girder Ma Zhonggang' Zhou Penghua' Zhu Haijun.2 Xie Xiaofei.2 Zhu Lin' Zhang Liping' (1.General Construction Company of CCTEB Group Co.Ltd.Wuhan Hubei 430064 China; 2.Hubei Building Construction Technology Co.Lsd.of CCTEB Group Co.Ltd.Wuhan Hubei 430070 China) Abstract:Based on incremental launching construction of the steel girder for the Sixth Jianghan Bridge in Wuhan the effect of temporary structure on strengthening mode of steel girder stiffness is analyzed by basic principle strengthening schemes are pared truss structure with reasonable coverage area is chosen to reduce the steel girder stress and deflection in front of guide girder in incremental launching construction of the maximum cantilever with 90m.The calculation analysis and actual construction monitoring show that truss structure can solve the problems of too large deflection of guide girder and too large stress of steel girder. Key words:bridges;suspension bridges;steel girders;increme...
[关键词】高层建筑;核心筒井筒;液压爬升模板;二次水平结构;施工技术 [中图分类号】TU755.2 [文献标识码】A[文章编号]1002-8498(2016)02-0098-03 ConstructionofHydraulicSelfClimbingFormworkSystemfor SecondaryHorizontalStructureofCoreTubeShaft Liu Zhijian',Wu Renghui',Xue Gang²,Wang Hongyuan²,Xu Wei² (1.Beijing Zulin Formwork&Scaflding Co.,Ld.,Beijing101300,China; 2.China Construction First Building(Group)Co.,Ltd.,Bejing 100070, China) Abstract:At present, the hydraulic self climbing formwork has been widely used in the construction of tall building core tube.Combining with the construction scheme design of hydraulic self climbing formwork in tall building core tube,in an engineering construction of Shijiazhuang,the improved core tube shaft hydraulic self climbingformwork and supports was usedfirstly.This technology can save labor, improve effect,reduce risk in the aspects of formwork selection,corresponding supports design,scheme application and so on. Key words:tall buildings;core tube shaft;hydraulic climbing formwork;secondary horizontal structure; construction 1工程概况 核心筒第1施工面爬模施工至F10层后,第2 河北石家庄某工程主塔楼为型钢柱-外包混凝施工面施工至F2层。
[关键词】绿色施工;围墙;PVC;环保 【中图分类号】TU733 [文献标识码】A [文章编号】1002-8498(2014)10-0082-03 ConstructionofComponent-basedPvCGreenEnclosingWall (China Construction Seenth Engineering Division Co.,Ltd.,Zhengzhou,He'nan 450004,China) Abstract;Based on the disadvantages of traditional enclosing wall like slow construction speed, high construction cost and can not be recycled, the ponent-based PVC green enclosing wall is proposed. Authors introduce the material, structure, technical principle and construction process of ponent- based PVC green enclosing wall and also introduce the key control points on installation.Combined with the different construction environment and requirements,several types of enclosing wall are designed. The construction practice shows that application of ponent-based PVC green enclosing wallhas good social benefits and economic benefis. Key words:green construction; walls; PVC;environmental protection 目前,传统的建筑工地围墙多是固定式的砖混质PVC材料中加人偶联剂、稳定剂、抗老化剂、钙 结构,采用砖砌或与水泥柱混砌以及与铁艺构件混粉、颜料等材料,工业化生产,确保了材料的韧性、 砌的形式,这类围墙存在施工速度慢、消耗资源多、可塑性、高抗光性、耐火性以及抗老化性。
[关键词]体育场;钢结构;铸钢节点;质量控制;铸造;焊接 [中图分类号】TU758.16[文献标识码]A[文章编号]1002-8498(2015)08-0037-04 TheKey Technology of CastSteelJointofHangzhou OlympicandInternationalExpoCenter Lao Weizhong',Zhou Guan’gen²,You Guimo² (1.Hangzhou Hi-tech Industry Development Corporation,Hangzhou,Zhejiang 310053,China; 2.Zhejiang Southeast Space Frame Co.,Lid.,Hangzhou,Zhejiang 311209,China) Abstract;Steel structure of Hangzhou Olympic and International Expo Centermain stadium weremadeby spatial pipe truss chords and single-layer reticulated shell,and used a large amount of cast steel joint.In this paper,the design of cast steel joints,key technology such as assembly and welding control were manufacture casting techniques,the quality controllingwasresearched.In cast steeljoint installation, installation location,weldingprocess andqualityinspectionwere analyzed.Engineering practice shows that the study of the key technologies of cast steel joint control ensures the construction quality of cast steel joint. Key words:stadiums; steel structures; cast steel joint;quality control; casting;welding 1工程概况点形式以及加工的可行性,并通过大量的有限元分 杭州奥体博览中心主体育场总建筑面积为析,确保节点设计的安全性。
施工技术 2014年4月下 10 CONSTRUCTION TECHNOLOGY 第43卷第8期 D0I:10.7672/sgjs20140810 杭州奥体博览中心主体育场钢结构罩棚 铸钢节点设计与有限元分析* 虞崇钢,周观根,洪王东,何挺,周俊 (浙江东南网架股份有限公司,浙江杭州311209) [摘要]近几年不断出现的复杂造型的结构体系使结构中构件与构件的连接方式日趋复杂,而节点设计是结构是 否安全可靠的保障,但对于这种多样化与复杂性的节点,规范未能提出明确的计算公式.相比试验研究在具体工 作中受到的多方面限制(比如资金、工期),三维实体技术、有限元分析为这类问题提供了较为简便的解决办法.以 杭州奥体博览中心主体育场为背景介绍了工程中典型铸钢节点的优化设计与有限元分析. [关键词]钢结构;体育场;罩棚;节点;设计:有限元分析 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2014)08-0010-03 Design and Finite Element Analysis for Cast Steel Joints of Main Stadium of Hangzhou Olympic and International Expo Center Yu Chonggang Zhou Guan'gen Hong Wangdong He Ting Zhou Jun (Zhejiang Southeast Space Frame Co. Lud.Hangzhou Zhejiang 311209 China) Abstract:In recent years the emerging plex model structure system makes the connection model of members more and more plex.Joint design guarantees the structure safety and reliability security.But for such plex joints the codes have no explicit formulae.Test and research are limited by some conditions such as cost and construction period in practice engineering.So 3-D model and finite element analysis are effective to solve the problems.In this article the optimization design and finite element analysis for the cast steel joints are introduced based on Hangzhou Olympic Sports Center Stadium project. Key words:steel structures;stadiums;awning;joints;design;finite element analysis 1工程概况 杭州奥体博览中心主体育场为特级特大型体 育场,固定座位达80011席.整个钢罩棚由14组 (28片)主花瓣和13片次花瓣形成的花瓣组构成. 罩棚为空间管桁架与弦支单层网壳钢结构体系构 成的环状花瓣造型,罩棚外边缘南北向长333m 东 西向2...