施工技术 2012年11月上 90 CONSTRUCTION TECHNOLOGY 第41卷第376期 某双层独立砖柱砌体结构改造与加固 杨建江,冯天栋 (天津大学建筑工程学院,天津300072) [摘要]天津市某双层独立砖柱砌体房屋因使用功能改变需进行改造,同时对房屋进行抗震加固,使其具有天津地 区7度(0.15g)抗震设防能力.以该建筑为例,介绍砌体房屋加固中的一些结构设计方法,包括对墙体、预制混凝 土梁和独立砖柱的加固措施,以使其具有某些框架的性能.并详细介绍砌体结构加固改造中的施工技术要点和注 意事项. [关键词]加固;改造;抗震设计;砌体结构 [中图分类号]TU746.3 [文献标识码]A [文章编号]1002-8498(2012)21-0090-04 Strengthening and Renovation of a Double-storey Independent Brick-column Masonry Building Yang Jianjiang Feng Tiandong Department of Civil Engineering Tianjin University Tianjin 300072 China) Abstract:A double-storey independent brick-column masonry building in Tianjin needs renovation due to changes of application.At the same time it needs seismic strengthening against 7degree(0.15g) earthquake.Some strengthening methods are introduced with the example including strengthening of brick walls precast concrete beam and independent brick column.These strengthening measures make the structure more like a frame.Precautions of construction techniques are also emphasized in the paper. Key words:strengthening;reconstruction;seismic design;masonry construction 0前言 建筑外缘加建一楼梯间,顶层有出屋面楼梯间,建 20世纪六七十年代,我国经济技术发展水平筑外侧建有悬挑走廊,设计时未设置圈梁与构造 低,砌体结构因其就地取材容易、人工砌筑灵活、对柱.檐口标高8.8m 首层层高为4.8m 2层层高为 建筑机械设备水平要求不高等优点,成为当时建筑4.0m 顶层出屋面楼梯间高4.0m.楼(屋)面梁为 物的主流结构形式,尤其以砖混结构为主.到现在 预制混凝土梁,楼(屋)面板为预制混凝土四孔板; 这些建筑基本上已经达到或超过结构设计使用年 外墙厚370mm 内部有几道后加的轻质铝合金隔墙 限,同时随着使用功能的改变,业主也对这些建筑 及240mm厚砌体隔墙,砌体隔墙高2200mm.改造 的使用空间提出了新的要求.在这种情况下,对砌 前建筑平面如图1所示. 体结构加固改造的需求越来越大.本文以某独立 砖柱/ D 砖柱砌体房屋为例,介绍砌体房屋加固改造中的一 L1 1...
2013年4月下 施工技术 第42卷第8期 CONSTRUCTION TECHNOLOGY 107 D0I:10.7672/sgjs2013080107 某厂房高位钢梁高大模板支架方案选择与应用 杨谷波1,卢利利2 (1.上海沪闵建筑设计院有限公司,上海201199;2.江苏兴港建设集团有限公司,江苏苏州215004) [摘要]某厂房结构在标高32.80m和36.80m浇筑混凝土结构,用满堂高大模板支架方案施工费工费时,难度大. 经复核优选,充分利用厂房设计混凝土框架结构主梁和楼层双槽钢梁,在标高24.00m的高位上,搭设高8.80m的 高空钢梁模板支架,顺利完成混凝土工程施工,实现了安全施工、节省钢材、节省人工和提前完工的目标.重点介 绍了高位钢梁高大模板支架整体稳定措施,同时对钢梁强度进行验算,均满足使用要求. [关键词]厂房;脚手架;支承;方案选择;应用 [中图分类号]TU731.2 [文献标识码]A [文章编号]1002-8498(2013)08-0107-03 Scheme Selection and Application of the Steel Beam Support for the Formwork of a Factory at High Altitude Yang Gubo' Lu Lili? (1.Shanghai Humin Architecture Design Co. Ltd.Shanghai 201199 China; 2.Jiangsu Xinggang Construction Group Co. Lid.Suzhou Jiangsu 215004 China) Abstract:In a factory structure it was required to cast concrete at the altitude of 32.8m and 36.8m. Using full high formwork supports means both time and labor waste as well as construction difficulty.By selection of the construction schemes it was decided to make full use of the framed beams and double channel floor steel beams of the factory structure and set up a steel beam formwork support of 8.8m height at the altitude of 24.00m.The concrete construction was successfully finished with the objectives of safe construction material saving labor saving and reduced construction time achieved.The method to ensure the overall stability of the steel beam formwork support at high altitude is introduced in detail. Steel beam strength was also checked and found to meet the design re...
[关键词】模板;曲面模板;深化设计;加工;测量控制 [中图分类号】TU755.2 [文献标识码]A [文章编号]1002-8498(2013)14-0073-04 TheDesign and Construction of Formwork in Single-dualCurvedSurfaceofaMuseum Wei Chengzu',Lu Jianfei² (1.Zhejiang Guodu Real Estate Group Co.,Lad.,Hangzhou, Zhejiang 320000,China; 2.Zhongtian Construction Group Co.,Ltd.,Hangzhou,Zhejiang 320000, China) Abstract:The single-dual curved surface construction formwork is used to solve the construction quality control problems caused by intersection of single-dual surface and difference of elevation in unconventional parts.The design development,detailed fabrication and survey plan were used in this construction method. Therefore,the good effect of design and economic benefits were approached.The control for the section sizes,displacement deviation,verticality of single-dual curved surface concrete were more difficult than ordinary concrete. The measurement control technology and key formwork installation points were introduced in detail. Key words;formwork; curved surface formwork; detailed design; processing; measurement control 近年来,单、双曲面混凝土结构在文化艺术中土的效果。
[关键词]钢结构;网壳;梅花柱;制作;安装 [中图分类号】TU758.1[文献标识码]A[文章编号]1002-8498(2011)21-0044-03 FabricationandInstallationofaSingleLayerSpherical ReticulatedShellStructure Chen Jun,Wang Junmu,Zheng Wenming (Chaofeng Steel Structure Co.,Lad.,Hangzhou,Zhejiang311215,China) Abstract:The installation and positioning ofmembers for single layer spherical reticulated shell structure is dificult, the requirements for fabrication precision are very high,and the mechanical behaviors of latticed structure are introduced.Fabrication process of plum-shaped column and installation scheme of reticulated shell are mainly discussed.Field measurements show that the relevant norms requirements for fabrication of plum-shaped column and installation of reticulated shell are satisfied.And the method in Key words;steel structures; shells;plum-shaped columns;fabrication; installation
1工程概况 本工程位于苏州工业园区独墅湖高教区南侧 湖边,建筑外形为水滴形,如图1所示。
2014年4月下 施工技术 第43卷第8期 CONSTRUCTION TECHNOLOGY 87 D0I:10.7672/5js2014080087 某医学院透光型软膜天花施工技术 张文丽,陆建飞2,何玺创1 (1.陕西省建筑职工大学,陕西西安710068;2.中天建设集团有限公司,浙江杭州320026) [摘要]软膜天花具有抗菌、防水、防火、安全环保、声光效果好的优点,是一种新型装饰材料.相对传统有机玻璃 吊顶、板材吊顶等,其施工工艺操作简单、创造性强,可以体现良好的室内声光效果和艺术感染气息.全面介绍了 软膜材料的特点、施工技术及操作要点. [关键词]安装;软膜天花;装饰;材料;施工技术 [中图分类号]TU767 [文献标识码]A [文章编号]1002-8498(2014)08-0087-03 Construction for Transparent Membrane Ceiling in a Medical College Zhang Wenli' Lu Jianfei He Xichuang' (1.Architecture Worker's University of Shaanxi Prorince Xi'an Shaanxi 710068 China; 2.Zhongtian Construction Group Co.Ld.Hangzhou Zhejiang 320026 China Abstract:The transparent membrane ceiling has characteristics of antibacterial waterproofing fireproofing safety and environment protection and good sound and light effect which is a kind of new decoration material.Comparing with traditional PMMA ceiling and board ceiling the new ceiling with easy and creative construction can show the good indoor sound and light effect and rich artistic.Authors introduce in detail the characteristics of the transparent membrane construction technologies and the key operating points. Key words:installation;membrane ceiling;decoration;material;construction 1工程概况 3工艺要求及施工流程 某医学院第二附属医院改扩建工程主楼建筑3.1工程装饰要求 高74.45m 周边裙房6层,建筑面积181562.84m2. 本工程护士站需要达到清洁、环保、噪声低、艺 本工程采用了新型装饰材料一软膜天花,主要用 术性强等效果,利用透光型软膜天花不但可以与荧 于主楼大厅及护士站顶部.大厅顶部为方形平面, 光灯、LED灯营造梦幻、无影的室内灯光效果,而且 采用白天蓝天白云、夜间满天星的喷绘型软膜天 可以利用材料本身的防火、防水、抗菌、吸声等特 花;护士站顶部为异形平面,采用透光型软膜天花. 性,据弃板材吊顶或有机玻璃的笨重、多缝等缺点, 2软膜材料特点...
[关键词】地下工程;深基坑;支护;SMW工法;斜撑 [中图分类号]TU753.1[文献标识码】A[文章编号]1002-8498(2012)24-0030-03 DifficultiesandSolutionsintheDeepFoundation Excavation Retaining for a Heating Furnace Chimney Tang Chuan (Shanghai Baoye Group Co.,Ltd.,Shanghai 200941, China) Abstract:A chimney foundation consists of two heating furnace chimney foundations. The depth of soil excavation reaches about 9.9 meters. The foundation is adjacent to a road with dynamic load of 600kN. And the foundation construction was during the rainy season of Shanghai,which causes extra danger to the excavation. This paper analyzes the key technology and construction difficulties of the engineering. The SMW method was used in bination with bracings, which successfully ensures the excavation safety and avoided any influence to the road traffic. This paper also analyzes the construction difficulties and pares different solutions. Key words:underground;deep foundation excavation; retaining;SMW method;inclined support 特钢炉卷热轧工程加热炉初步设计时,加热炉加热炉烟肉基础的施工。
2011年3月下 施工技术 第40卷第337期 CONSTRUCTION TECHNOLOGY 47 某办公楼加固改造工程设计与施工 吴剑平 (天地金草田(北京)科技有限公司,北京100013) 【摘要]针对砖混结构的特点,通过建模对某办公楼进行了计算分析.提出了采用钢屋架代替混凝土梁板的做法 以减轻自重,同时增加构造柱及圈梁提高结构的抗震性能.介绍了植筋、灌浆料及钢结构的施工工艺,并重点对拆 除施工中的技术方法,预防措施进行了分析.技术方案及施工质量符合规范要求. 【关键词]加固改造:钢屋架:构造柱:圈梁;抗震 [中图分类号]TU746.3 【文献标识码]A【文章编号]1002-8498(2011)06-0047-02 Strengthening Design and Construction Technology of an Office Building Wu Jianping (Tiandi JCT Beijing)Science Technology Co.Lad.Beijing 100013 China) Abstract:Based on characteristics of masonry structure an office building was calculated and analyzed by establishing structure model.The method that replacing conerete beams and slabs with steel roof truss to reduce the structural weight and setting the structural columns and ring beam to improve the seismic performance were proposed.At the same time the construction technology of planting steel bars grouting materials and steel structure were introduced.The demolition technology and preventive measures were analyzed especially.The technology program and construction quality can meet the requirements of codes. Key words:reinforcement;steel roof truss;structural column;ring beam:seismic 1工程概况 某办公楼于20世纪50年代建成,为主体4层、 局部5层的砖混结构,层高3.8m 女儿墙高1.25m 主体结构总高16.35m(见图1),采用前苏联抗震设 计规范进行了7度抗震设防设计.由于受当时经 济、技术、施工条件的限制,建筑本身的使用功能不 正立面 b屋盖布置 能满足办公要求.为了保留其原有历史风貌,决定 图1办公楼示意 Fig.1 The office building 在不破坏建筑外观的情况下进行改造,使4层东西 震加固技术规程》JGJ116一2009和《钢结构设计规 两侧顶层办公室层高增加1m.4层东西两侧办公 范》GB50017一2003为主要依据,以保证原挑檐的 室尺寸为10.8m×11.8m 为井字屋盖,上部为 稳定性为原则进行改造设计...
施工技术 2016年11月上 74 CONSTRUCTION TECHNOLOGY 第45卷第21期 D0:10.7672/sgj52016210074 某办公教学综合楼屋面预应力钢结构设计及施工技术 贺锋1,刘峰1,王涛2,卓军 (1.工程兵第四设计研究院,北京100850;2.北京市建筑工程研究院有限责任公司,北京100039) [摘要]以某军事学院办公教学综合楼屋面预应力钢结构工程为背景,结合以往的张弦结构设计理论及实践经验, 系统闸述了在屋面结构体系选择和确定过程中应重点考虑的因素,详细描述了结构整体设计分析及局部节点设计 时计算参数选取、极端工况验算、后处理阶段设计指标控制等关键环节.最后根据预应力钢结构体系的特殊性,归 纳总结了施工过程中的一些关键技术,工程的顺利实施验证了本文观点的合理性与可行性. [关键词]钢结构;预应力;屋面;节点;设计;施工技术 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2016)21-0074-04 Design and Construction Technology of Prestressed Steel Structures for an Official Working and Teaching Complex Building Roof He Feng' Liu Feng' Wang Tao2 Zhuo Jun' (1.The 4th Engineering Design and Research Academy Beijing 100850 China; 2.Beijing Building Construction Research Institute Co.Lad.Beijing 100039 China) Abstract:Taking the project of prestressed steel structures for official working and teaching plex building roof of a military academy as a background bined with the previous design theory and practical experience it expounded the factors that should be considered during the seleetion and determination of the structure systematically and described the principle of designing and analyzing for overall and local joints of the structure calculation of extreme conditions control of design index at post- processing stage etc.Finally according to the particularity of the prestressed steel structure it summed up some key technologies in the construction process.Smooth implementation of the project verified the feasibility of the ide...
[关键词]钢结构;桁架;滑移;安装;施工技术 [中图分类号】TU758.11[文献标识码]A[文章编号]1002-8498(2014)14-0152-03 TheSteel TrussSlidingandInstallationTechnology ofaTheatre Xu Shanyuan (Ningbo Zhenhai Area Construction Safety and Quality Supervision Station,Ningbo,Zhejiang 315200,China) Abstract;There were eight steel trusses of the auditorium and stage roofs in the theatre of Ningbo Culture Plaza project.The ending of trusses was set on the steel reinforced concrete beams,which was connected with the embedded bolts, and secondary beams were used between the trusses. The trusses segmentation, assembly on site,lifting,sliding and installation,and the installation and welding of the ending were introduced in detail. This technology has the characteristics of reasonable, safe,short period and low cost. Key words:steel structures; trusses; sliding;installation;construction
1工程概况吊装停机位置,且桁架距地下室边缘的距离太远。
[关键词]体育场;斜拉结构;找力分析;倒拆分析法;张拉;数值模拟 [中图分类号】TU311;TU758[文献标识码]A[文章编号]1002-8498(2014)14-0083-07 ConstructionTensioningScheme andSimulation AnalysisofCable-stayedSteelStructure Zhu Boli',Ma Jianxun',Guo Yanlin²,Zhang Qiang” (1.SchoolofHumanSelements and CivilEngineering,Xi'anJiaotongUniversity,Xi'an,Shaanxi710049,China; 2.Department ofCivilEngineering,Tsinghua University,Bejing100084,China; 3.Hebei Jinhuan Steel Construction Engineering Co.,Lud.,Shijiazhuang,Hebei 050000,China) Abstract:As a structural bination of cables and steel roof,a cable-stayed structure is widely used to the stadium roof in the large span structure of the public buildings.For the cable-stayed structure consisted of rigid steel roof,flexible cables and masts,the cable tensioning has to be carried out during the construction process step by step.In the cable tensioning process, the control of both the cable forces and the structural displacements at key points should be satisfied according to the technical requirements specified by architectural and structural designers.Accordingly,thispaper presents thebasic principles for determining the optimal tensioning scheme and simulation tensioning analysis of cable-stayed structure. As a typical example, the two tensioning sequences and two prestressed grading tensioning schemes are carefully investigated respectively in a stadium.Comparisons between simulation tensioning analytical results for these tensioning schemes are made and the best tensioning scheme was found for this practical engineering construction. Key words:stadiums;cable-stayed structure;force-findin...
[关键词]体育场;屋盖;开合屋盖;钢结构;质量控制;施工技术 [中图分类号]TU712.5 【文献标识码]A [文章编号]1002-8498(2014)02-0007-03 ConstructionQualityPre-controllingTechnologyofthe OpeningandClosingRoofofaStadium Wang Jingbo,WangZhe,JingXiexie,GaoLiang (Inner Mongolia Xingtai Construction Co.,Ld.,Erdos,Inner Mongolia017000,China) Abstract: For large venues opening and closing events roof construction, rof installation and missioningofmachineryisaspecial linkand thehighlightofthewhole project,however,it keepsa variety of risks in the actual construction. The retractable roof of the stadium indicated in this paper not only can meet the requirements of all-weather use,still set electrically heated snowmelt system to meet opening and closing normally use in snow weather in the north. In this paper, appropriate treatments are put forward according to the hazards of the site. Key words:stadiums;roofs;retractable roofs; steel structures;quality control;construction 0引言 盖技术提高了体育场的使用效率和使用频率,并节 大型、超大型空间建筑正在凭借其建筑规模巨约了成本。
施工技术 2014年1月下 10 CONSTRUCTION TECHNOLOGY 第43卷第2期 D0I:10.7672/8gjs2014020010 某体育场巨拱结构高空倾斜偏转提升技术* 郅栓明,张永军,颜琳婷,杨凯 (内蒙古兴秦建筑有限责任公司,内蒙古鄂尔多斯017000) [摘要]鄂尔多斯市东胜全民健身活动中心体育场巨拱结构受力体系复杂,施工难度大.由于受运输和整体吊装 因素限制,重点介绍了巨拱的高空倾斜偏转提升施工工艺和安装方法,以及采取的质量控制措施以满足施工要求, 该技术节能、环保且能降低成本. [关键调]体育场;拱结构;高空倾斜;偏转;提升;施工技术 [中图分类号]TU758.1”[文献标识码]A [文章编号]1002-8498(2014)02-0010-04 Arch Structure Lifting Technology to Enhance the Aerial Oblique Deflection of a Stadium Zhi Shuanming Zhang Yongjun Yan Linting Yang Kai Inner Mongolia Xingtai Construction Co.Ltd.Erdos Inner Mongolia 017000 China) Abstract:For large stadium giant arch structure the stress system is extremely plex and it is difficult for construction.Due to transportation and the overall lifting constraints the arch structure lifting technology to enhance the aerial oblique deflection and installation methods were introduced in detail as well as the quality control measures.This technology was energy-saving environmental and could save cost. Key words:stadiums;arch structure;aerial oblique;deflection;lifting;construction 1工程概况 用起重机进行吊装高空焊接.中间3个单元采用地 鄂尔多斯市东胜全民健身活动中心体育场造面焊接拼装,组拼完成后用液压同步提升进行吊装 型新颖、气势宏大,其主要受力构件巨拱顶面标高提升(长180m 重1600t).将其提升到设计高度后 为129m 跨度330m 总质量2600t 拱与垂直面角进行倾斜偏转至设计要求的6.1°,再与两个边单元 度呈6.1°.本工程首次将桥梁工程中的索拱结构进行空中拼接合龙及预留后装杆件的安装.此种 巧妙地应用到建筑工程中,且拱与地面垂线倾斜方法将有效地降低安装施工难度,节约成本,且质 6.1°,受力体系极其复杂,施工难度较大.由于受运量、安全和工期均能有效保证.此方案经过多次组 输和整体吊装因素限制,只能采取工厂加工现场拼织专家论证,且实施后效果良好,通过认真总结,形 装.若采用常规的分件高空散装方案,需在现场搭成本施工技术. 设大量的高空脚手架,高空组装,焊接难度大,而且2工程特点与难点 存在较大的质量安全风险.大量脚手架的搭设...
[关键词】防水工程;住宅;渗漏;鉴定;内外墙;处理 [中图分类号]TU761.1°1 [文献标识码]A [文章编号]1002-8498(2016)03-0076-03 LeakageReasonsAnalysisoftheResidentialBuilding InteriorandExteriorWalls Li Shoucai,Mei Zuoyun,Song Xiaoguang,Pan Jingjing (Shandong Academy of Building Research,Ji'nan,Shandong 250031,China) Abstract:Through the analysis and appraisal of leakage in internal and exterior walls of a residential building, it is found that the main reason leading to the walls leakage is the wrong way to treat the seam between window frame and openings,and also the wrong way construction of gasket cement.The toilet waterproof layer at the door opening structure unreasonable is the main reason leading to the toilet near the inner wall of seeping water.Finally,a detailed repair method is presented to solve the leakage problem. Key words:waterproofing;residence;leakage;appraisal;interior and exterior walls; treatment 1工程概况 主要分布在窗洞口四周墙体处,内墙渗漏主要集中 某住宅楼为5层砌体结构,建于2011年;设计 在卫生间门洞口两侧墙体和卫生间门洞口南侧卧 使用年限50年,抗震设防烈度7度。
[关键词]加固;爆炸;砖混结构;置换;设计;施工 [中图分类号]TU746.3[文献标识码】A[文章编号]1002-8498(2013)03-0041-03 Replacement and Strengthening for Supporting Members in SomeResidentialBuildingAfterExplosion Yang Zhigang',Li Xiaoxia² (1.School of Architecture Engineering,Shandong Unirersty ofTecnology,Zibo,Shandong 255012,China; 2.ZiboVocational Institute,Zibo,Shandong 255012,China) Abstract:A five-storey brick-concrete residential building was subjected to local failure due to gas explosion.As a result of the explosion, the load bearing wall had bulged deflection and cracks, some precast slabs collapsed and load bearing beams deflected with cracks. Based on site investigation, the retrofitting design andreconstruction were performed. Specifically,the precast slabs were replaced by channel steel with cast-in-situ concrete slab.The original beam was removed and replaced by cast-in-situ concrete beam of the same cross-section.The retrofitting work eliminated the influence of gas explosion on the main structure and ensured the safety of the residential building. Key words:strengthening;explosion;brick-concrete structure;replacement; design;construction
1工程概况室内破坏情况如图1所示。
[关键词]模板;住宅;地下结构;墙;钢塑模板;螺栓;施工技术 [中图分类号】TU755.2[文献标识码】A[文章编号】1002-8498(2012)06-0055-03 Plastics-steelFormworkConstructionforSome UndergroundWall ofHousing Wang Weidong,Fan Ming,Wu Qinglai,ZuoKang (The Fifth Urban Consruction Engineering Company of Bejing,Beijing 100029,China) Abstract;Plastics-steel formwork is used instead of small steel formwork for some underground wall of housing. The plastics-steel formwork, GP70 posite steel formwork and bulk wood formwork are pared synthetically to assure the plastics-steel formwork. The formwork materials, design and construction process are introduced in detail,and the effect is excellent.The verticality, smoothness and section size can meet quality acceptance requirement. Key words: formwork; housing; underground structures; walls; plastics-steel formwork; bolts; construction 1工程概况组合钢模板水平拼缝多,易缺棱掉角,混凝土观 某住宅小区总建筑面积97818m²,为现浇剪力感质量一般。
[关键词]模板;支撑;逆作法;内衬墙;施工技术 [中图分类号】TU731.2 [文献标识码]A [文章编号]1002-8498(2014)02-0074-02 Tool Formwork Support Systemfor theInverseMethod LiningWall inaResidentialArea Wang Huiquan,Zhang Liqiang,Yu Chengjun,Jia Fangping (Shanxi Six Construction Group Co.,Ld.,Taiyuan,Shanxi 030024,China) Abstract;In recent years,inverse method has been widely used in the construction of deep foundation excavation.In order to make diaphragm wall as basement structure, lining wall is used inside the diaphragm wall,whose traditional construction is integral assembly and dismantling of the steel tube scaffold. In this paper,a construction technique which applies steel tube tripod to assemble into integral movable supports is put forward. This technique improves the construction of lining wall, and makes the construction easy,practical and stable. Key words:formwork;supports;inverse method;lining wall;construction 1工程概况 某住宅小区工程,地下4层车库,地上在南、西、 北周边凹字形布置了3栋33层高层住宅楼,分别为 A,B,C座,3栋高层住宅楼中央为地上3层商场(见 图1)。
地下4层车库占地面积21000m²,基坑开挖 深度15.35m。
该小区东西宽约123m,南北长约 185m,场地内地下均为车库,车库共有4层,采用逆 作法施工。
从2010年11月开始施工第1段内衬 图1某住宅小区效果 墙,至2012年8月全部内衬墙施工完毕,期间共加 Fig.1A residential area 工本模板支撑体系6套,周转使用13次左右后更换 3施工技术及操作要点 面板,再继续使用。
2016年9月上 施工技术 第45卷第17期 CONSTRUCTION TECHNOLOGY 127 D0I:10.7672/sgjs2016170127 某会展中心高大模板支撑体系设计与施工* 刘如兵,钱军,金浩2 (1.泰州职业技术学院建筑工程学院,江苏秦州225300;2.中国江苏国际经济技术合作 集团有限公司,江苏南京210008) [摘要]中国医药城会展交易中心二期工程有多处属于高大模板支撑.结合该工程实际情况,借鉴类似工程过往 模板坍塌事故的经验教训,设计出符合工程实际的受力方案,对主要受力构件进行全面验算,并采用有限元进行分 析,采取切实可行的技术措施,加强施工全过程的安全管理,确保了施工安全,并提高了工程质量. [关键词]模板;扣件式钢管支撑;设计;有限元分析;施工技术 [中图分类号]TU755.2 [文献标识码]A [文章编号]1002-8498(2016)17-0127-04 Design and Construction of High and Large Formwork Support System of Some Conference and Exhibition Center Liu Rubing' Qian Jun' Jin Hao2 (1.School of Architecture and Civil Engineering Taizhou Polytechnic College Taizhou Jiangsu 225300 China;2.China Jiangsu International Economic and Technical Cooperation Group Co.Ltd.Nanjing Jiangsu 210008 China) Abstract:High and large formwork support system is used in Phase II project of China Medical City Exhibition Trading Center in bination with the practical situation of the project based on the experience of similar project formworks collapse with the design in accordance with the engineering practice the prehensive calculation of main stress ponents the finite element analysis method is used the feasible technical measures strengthen the construction of the whole process of safety management ensure the construction safety improve engineering quality. Key words:formwork;fastener-style steel pipe supporting frame;design;finite element analysis;construction 随着建筑技术的不断发展,多功能、大空间、大1工程概况及施工特点分析 跨度的混凝土结构体系越来越多,其模板支撑体系 中国医药城(泰州)会展交易中心二...
施工技术 2012年5月上 60 CONSTRUCTION TECHNOLOGY 第41壮第364期 某仿古建筑病害原因分析及应对措施 欧阳甘霖 (青岛静力工程有限公司,山东青毒266071) [摘要]某居住性仿古建筑基础持力层为新近素填土,经机械分层碾压形成.因雨水侵人产生不均匀沉降和候斜. 条形基础断裂100多处,西院地下室南北向倾斜达7.06%,西配房东西向最大倾斜达16.2%,挡土墙候斜8- 10mm/2-3d 并在墙体中部、南部、北部分别出现1-2mm竖向通长裂缝:建筑处于危险状态中.通过坑式静压钢 管柱终止住房部分的沉降并实施纠偏,通过自进式错杆结合水平压力注浆实施松散素填土的固结增强及挡土墙加 固.对地下室采取从底板附带上部建筑整体顶升方式纠偏,达到了结构无损坏、底板防水层未破损的效果. [关键词】加固;仿古建筑;不均匀沉降;倾斜;顶升;纠倾 [中图分类号]TU746.1 [文献标识码]A [文章编号]1002-8498(2012)09-0060-03 Disease Analysis and Treatment Measures of a Antique Building Ouyang Ganlin The Qingdao Static Engineering Co. Lad.Qingdao Shandong 266071 China) Abstract:The foundation of some residence antique building sits on the newly plain fill soil formed by layered paction.Differential settlement and tilt of the building occur due to rainwater intrusion. Fracture in the foundation is more than 100 of strip north-south inclination of basement in the west yard is up to 7.06%% east-west inclination of the west auxiliary is up to 16.2%o tilt speed of retaining walls is about 8~10mm/2~3d and 1 ~2mm width vertieal cracks occur along the middle south and north wall.The building is dangerous.The building stops settlement and is deviation rectified by pit pressure steel pipe pile.The newly plain soil is consolidated and the retaining wall is enhanced by automatic anchor pole and horizontal pressure grouting.The basement and upper structure are rectified deviation by integral jack-up method from the bottom plate which make structure and waterproofing of boltom...
2011年4月下 施工技术 第40卷第339期 CONSTRUCTION TECHNOLOGY 93 某京沪高铁软土路基PHC管桩桩网结构施工技术 谢大伟,陈利民 (上海铁路局南京桥工段,江苏南京210015) [摘要]PHC管桩桩网结构由加筋土、复合操垫层和桩土加固区三部分组成,对其加固机理进行研究.通过PHC 管柱桩网结构在京沪高铁路基工程中的应用,对PHC管桩桩网结构处理软土地基的施工工艺、质量控制要点及注 意事项、加固处理效果进行了详细述.实践证明,PH管桩桩网加固的复合地基具有良好的承载能力,地基沉降 满足要求,取得良好效果. [关键词]京泸高铁:PHC管桩桩网;软基处理;加固效果 [中图分类号]TU755.3;U443.15 [文献标识码]A[文章编号]1002-8498(2010)11-0093-03 Construction Technology of PHC Tube Pile-net Structure in Soft Soil Foundation Treatment of Beijing-Shanghai High-speed Railway Xie Dawei Chen Limin Nanjing Bridge Section of Shanghai Railway Bureau Nanjing Jiangsu 210015 China) Abstract:PHC tube pile-net structure consists of reinforced earth posite cushion and pile-soil reinforcement area.The reinforcement mechanism of PHC tube pile-net structure is researched.Based on Beijing-Shanghai high-speed railway construction technology quality control points and attention factors of PHC tube pile-net structure are introduced as well as reinforcement effect.It proves that good bearing capacity of posite foundation is gained by reinforcing with PHC tube pile-net structure and the settlement of foundation is controlled in allowable range.Furthermore good reinforcement effect of the posite foundation in high-speed railway can be gained. Key words:Beijing-Shanghai high-speed railway:PHC tube pile-net;soft soil foundation treatment; reinforcement effect 软土、松软土在我国沿海、沿湖、沿河等地带有 外加装 广泛分布,而长三角、珠三角和环渤海地区普遍分布 受 有湖相、海相及近海冲洪积软弱土层,其面积广、厚 度大、工程性质差,给我国这些地区正如火如茶大规 土 模建设的高速铁路、客运专线带来了严重...
[关键词]主题乐园;信息化;建模;充分协调模型;实施 [中图分类号]TU17[文献标识码]A[文章编号]1002-8498(2016)06-0063-05 Implementing Process Design and Analysis of Informatization ModelinginaLargeThemeParkProject QiaoKun (Shanghai Pudong Architectural Design and Research Institute Co.,Lad.,Shanghai 201204,China) Abstract:In view of plexity of construction drawing detailed design for alarge theme park construction,multi-specialty fully coordinated models have been erected,which generates construction drawing of every specialty directly,and realizes the effcient and accurate way of detailed design.Based on analyzing to model requirement,level of detail and review in general contract, the implementing process of information modeling has been designed by three levels including model creating,coordination among main contractor team and owner design team.The crucial stage of every level process has been
quality,ensures design schedule and quality. Key words:theme park;information;modeling;fully coordinated model;implements
1合同要求模型者(施工总承包方)需内部复核3D模 上海某项目为大型国际化游乐演艺项目,其施型的准确性,确保模型无碰撞,且能够准确体现后 工总承包全过程必然面临众多挑战。