施工技术 2016年4月下 22 CONSTRUCTION TECHNOLOGY 第45卷第8期 D0I:10.7672/8js2016080022 天津周大福金融中心钢板剪力墙及 巨型柱模板设计 陈海涛1,柯子平2,裴鸿斌2,陈学光2,于海申2,刘鹏2,崔爱珍2 (1.天津滨海新区轨道交通投资发展有限公司,天津300457; 2.中国建筑第八工程局有限公司天津分公司,天津300452) [摘要]天津周大福金融中心工程塔楼地下室核心筒钢板剪力墙及巨型柱截面尺寸大,且受钢管柱、钢骨柱、钢板 等钢构件影响,模板加固难度大,节点处理复杂.从模板选型、对拉螺栓设计及布置等方面介绍了塔楼地下钢板剪 力墙、巨型柱等竖向大截面构件模板施工工艺,应用效果良好.重点介绍了结合对拉螺栓布置原则进行过灰孔深 化、对拉螺栓设计与螺杆类型的选择、模板螺杆接驳器设计、确定模板加固体系、模板加固体系节点设计等技术 措施. [关键词]高层建筑;钢板剪力墙:巨型柱;模板:设计 [中图分类号]TU755.2 [文献标识码]A [文章编号]1002-8498(2016)08-0022-04 The Steel Plate Shear Wall and Huge Pillar Formwork Design of CTF Tianjin Financial Center Chen Haitao' Ke Ziping2 Pei Hongbin2 Chen Xueguang2 Yu Haishen2 Liu Peng2 Cui Aizhen2 (1.Tianjin Binhai New Area Rail Transit Investment Development Co.Lad.Tianjin 300457 China; 2.Tianjin Branch of China Construction Eighth Engineering Division Co.Ld.Tianjin 300452 China) Abstract:The core tube steel plate shear walls and huge pillar of CTF Tianjin Financial Center tower building basement have large cross-sectional dimension which are affected by the steel ponents as steel tube columns steel reinforced columns and steel plates.So the formwork strengthening is difficult and joint processing is plex.The construction technologies for vertical large section structures formwork design are introduced from the selection of formwork and bolt reinforcement design with good results.The technique methods for the ash hole deepening bining with the principle of bolt arrangement the selection of bolts the formwork bo...
施工技术 2014年7月上 118 CONSTRUCTION TECHNOLOGY 第43卷第13期 D0I:10.7672/sgj82014130118 天津华侨城欢乐谷陆公园主体结构安装技术 兰小龙,郭俊梅 (中冶天工集团有限公司,天津300308) [摘要]以天津华侨城陆地馆工程为例,介绍了一种跨内不设临时支撑,利用变幅机构进行110m跨度拱形空间桁 架安装的原理和详细操作工序.实践证明,应用该技术不仅可以大大降低施工措施费,而且可以提高工效.本技 术适用于安装现场土质软弱、临时支撑基础投入大的情况. [关键词]钢结构;大跨度;拱结构;安装;施工技术 [中图分类号]TU745.2 [文献标识码]A [文章编号]1002-8498(2014)13-0118-02 Installation Technology of the Main Structure of Tianjin OCT Happy Valley Land Park Lan Xiaolong Guo Junmei (MCC Tiangong Group Co.Ltd. Tianjin 300308 China) Abstract:Based on museum of Tianjin OCT Happy Valley Land Park projects a technology for installing 110 meters span arch space truss which used luffing mechanism without temporary support is introduced.The practice has proved that this technology can not only greatly reduce the construction cost of measures but also improve efficiency.And this technology is also particularly suitable for the site which is weak and need big investment for temporary support. Key words:steel structures;large span;arch structure;installation;construction 空间拱桁架结构在大跨度场馆建筑中应用广 55 泛,尤以倒三角管桁架形式最具代表性.安装方法 大多为在跨中分段处设置几组临时支架,主桁架分 段吊装至高空拼装对接,安装次结构,3福以上主桁 架结构连成整体,结构稳定时,拆除支架并倒运至 后面的部分,如此循环.对于大跨度结构,由于桁 295 架跨度大、矢高高,虽然临时支架材料、支架基础、 缆风绳以及支架现场拆装倒运等成本较大,但该方 图1建筑平面示意(单位:m) Fig.1 Plan of the building(unit:m) 法应用较普遍.若场地土质软弱,支架基础地基处 理投人过大.在天津华侨城欢乐谷陆地馆主体结 本工程位于天津东丽湖,场地表层2m左右为 构安装过程中,采用无支撑安装法,成功解决了该 淤泥质土,承载力极差,安装施工正逢当地雨季,重 问题,可为类似工程安装提供参考. 载机械无法通行. 1工程概况 2应对措施及方法 天津华侨城欢乐谷陆地馆工程结构采用落地 为了避免吊装机械在场地内横向移动,方案拟 式倒三角管桁架式拱结构,跨度110m 矢高36m 单 定使...
2014年7月上 施工技术 第43卷第13期 CONSTRUCTION TECHNOLOGY 123 D0I:10.7672/sgjs2014130123 天津华侨城欢乐谷水公园钢结构非线性 空间扭曲桁架施工技术 张伟,兰小龙 (中冶天工集团有限公司,天津300308) [摘要]天津华侨城水公园大馆为蜂窝形焊接球双层钢网壳结构,由不规则三扁球相贯组合而成,网壳水平面投影 为3个相交的圆,而交线位置即为非线性空间扭曲桁架.在充分认识空间扭曲桁架结构形式的基础上,通过运用 三维建模、空间坐标转换、胎架制作、仿真分析、卸载、应力与应变监测等技术,来完成桁架的现场拼装、组对,高空 安装及卸载、监测工作,取得了较好的效果. [关键调]钢结构;桁架;空间扭曲桁架;模拟;监测;施工技术 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2014)13-0123-04 Construction Technology of Nonlinear Space Distortion Truss in Tianjin OCT Happy Valley Water Park Zhang Wei Lan Xiaolong (MCC Tiangong Group Co.Ltd.Tianjin 300308 China) Abstract:The honeyb-shaped steel of Tianjin OCT Water Park is welded steel mesh ball double-shell structure consisting of three flat balls intersection irregular bination.The horizontal projection of shell are three intersecting circles while the cross-line position is the nonlinear space distortion truss.Based on the understanding of space distortion truss structure the authors successfully plete truss site assembly fitting high-altitude installation and unloading monitoring with three-dimensional modeling spatial coordinate transformation assembly jig making simulation analysis unloading stress and strain monitoring technology.Engineering practice shows that good effect is obtained. Key words:steel structures;truss;space distortion truss;simulations;monitoring;construction 1工程概况 间结构形式如图2所示. 天津市东丽湖华侨城生态欢乐岛水公园大馆2施工部署及工艺流程 工程,外观呈3个半椭圆球相贯形体,如图1a所示,2.1施工整体思路 结构设计为落地式双层球形弯顶网壳结构.大球 为保证工期、减少高空作业量及构件运输成 跨度140m 两侧小球跨度8...
[关键词]钢结构;蜂窝网格;网壳;安装;施工技术;仿真模拟 [中图分类号】TU745.2【文献标识码】A[文章编号〕1002-8498(2014)13-0120-03 InstallationTechnologyoftheMainStructureof Tianjin OCTHappyValleyWaterPark Guo Junmei,Liu Faxin,Lan Xiaolong (MCC Tiangong Group Co.,Ltd.,Tianjin 300308,China)
structure,whose nodes distribution is irregularly with less steel.According to the engineering characteristics,the problem of nodal coordinate positioning is resolved by using different coordinate converse for different construction methods. Simulation is list out to ensure construction safety,and a number of technical measures to ensure structure safety, quality and progress are introduced. Practice shows that the technology can improve construction safety,quality and progress. Key words:steel structures;honeyb mesh;reticulated shell;installation; construction;simulations
1工程概况网壳厚度2.8m(见图1c)。
[关键词】体育馆;弦支弯顶;钢结构;施工;监测 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2015)08-0045-04 ConstructionMonitoringTechnologyfor Tianjin SportsCenterVelodrome Zhi Jiaqiang',Chen Zhihua²,Jin Hai',Li Jiaqing',Ma Qing²,Song Weiqian' (1.TianjinConstructionEngineringTechnologyResearchInstitute,Tianjin300204,China; 2.School of Civil Engineering,Tianjin University,Tianjin 300457,China) Abstract;During the large-span steel structure forming and the use process,the change of bearing force and safety performance of each ponent requires us to gather the relevant data in a timely manner,and corresponding corrective measures are presented.Tianjin Sports CenterVelodrome belongs to string dome structure,and its tensioning process is a plex dynamic process,including the ponents assembling,prestressed tensioning,lifting roof panel and equipment installation and other construction state.Through the stress and strain monitoring,cable force monitoring,environment temperature monitoring andponents,constructionmonitoring of shell joints displacementmonitoring,etc.,and using the software MIDAS/Gen, the monitoring data were analyzed to form graph, such as monitoring construction and usage. Key words:gymnasiums; string dome; steel structures; construction;monitoring 1工程概况 壳周圈悬挑。
[关键词】深基坑;支护;设计;施工工序 [中图分类号]TU753.6[文献标识码】A[文章编号]1002-8498(2015)21-0064-04 Design and Construction ofFoundationExcavationSupporting in FTRD Tianjin WuJinwei,Li Zuoliang,Pei Xiangchen (Sinohydro Foundation Engineering Co.,Lad.,Tianjin 301700,China) Abstract:This paper introduces a deep foundation excavation design scheme that the excavated depth is 5.1m.Some innovations in design and construction are put forward. The research shows that the time space effect of earth behind of wall is beneficial to the safety of the foundation excavation; the soil stress concentration should be avoided when the retaining structures and infrastructure are under construction; the calculation parameters of foundation excavationis conservative,so the construction sequence ensures the safety of construction. Key words:deep foundation excavation; supports;design; construction process 天津滨海新区位于环渤海经济圈的中心地带,上26700m²,地下9065m²,建筑基底面积7020m², 近年来的深大基坑和超高层建筑更是屡见不鲜。
本次基坑设计的行政设计楼临近的北侧是实图1行政设计楼基坑周边环境平面 验楼、东侧是造型楼,其建筑面积35765m²,其中地Fig.1The foundation excavation surrounding environment of the building 2工程地质条件 [作者筒介】吴金伟,副主任,高级工程师,E-mail:271361742@2.1地层分布及土质特征 [收稿日期]2015-01-07本场区地表以下50m范围内,地基土按成因及 万方数据
2015 No.21吴金伟等:天津一汽丰田基坑支护设计与施工65 时代可分为11层;按土的物理力学特征可分为233.2支护结构形式选择 个亚层,部分亚层呈透镜体状分布。
2011年5月下 施工技术 第40卷第341期 CONSTRUCTION TECHNOLOGY 23 天津117大厦高承载力超大长径比试验桩施工技术 王辉,余地华1,汪浩,郑利2 (1.中建三局工程总承包公司,北武汉430064:2.中建三局建设工程股份公司,湖北武汉430064) [摘要]基于天津117大厦试验桩工程,系统分析和研究了深厚砂土超深钻孔泥浆控制、超大长径比桩孔垂直度控 制、超长超重钢筋笼制作安装、超深水下浇注高性能自密实混凝土、可-硬塑土层竖向高密度点位环形注浆、超长 双护筒设计与施工等关键技术及成果.试柱超声波检测、静载试验和监测表明,主要质量控制指标满足设计要求. [关键词]钻孔灌注桩;长径比;自密实混凝土;超长双护 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2011)10-0023-03 Construction Technology of Test Piles with Super Large Length-diameter Ratio and High Bearing Capacity in Tianjin 117 Mansion Wang Hui' Yu Dihua' Wang Hao' Zheng LiP (1.General Construction Company of CCTEB Wuhan Hubei 430064 China: 2.China Construction Third Engineering Bureas Co.Lad.Wuhan Hubei 430064 China) Abstract:Combining with test piles of Tianjin 117 Mansion key construction technologies are analyzed and researched from ultra-deep drilling mud control at deep sand layers piles verticality control with super-large length-diameter ratio fabrication and installation of super large and heavy reinforcement cages high performance self-pacting concrete under the water to pour annular pouring at the vertical high density points as well was the design and construction of super-length double casing.The ultrasonic testing static load test and monitoring of the test piles show that the main quality control indexes meet design requirements. Key words:bored pile;length-diameter ratio;self-pacting concrete;super-length double casing 为提高单桩承载力、控制沉降变形,在超高层建采用静载试验检测.场地为海相与陆相交互沉积地 筑和大跨度桥梁结构中,经常采用超长、大直径钻孔层,120...
[关键词]钢结构;转换钢柱;圆管柱;十字柱;焊接;制作 [中图分类号]TU758 [文献标识码]A [文章编号〕1002-8498(2014)13-0127-03 ManufactureTechnologyofConversionSteelColumn YangFan,Chen Gang,Li Dazhuang,Fan Daohong,Zhou Maochen,Dong Shunzi (China Construction Steel Structure Jiangsu Co.,Lad.,Jingjiang,Jiangsu 214532,China) Abstract:Cross columns(H-type column) converted from pipe column is a very promising steel column structure,which bines the advantages of round column and cross column(H-type column), and has the flexibility and adaptability of changing steel column’s section in accordance with the actual needs of project.According to the characteristics of this kind of special columns,this paper described the manufacture technology from the material blanking,parts molding,assembly,welding and other processes in detail, summarized the production experience and key points of cross column(H-type column)converted from pipe column. Key words;steel structures; conversion steel column; tubular column; cross column; welding;manufacture 1工程概况 南京青奥中心双塔楼及裙房工程包括3栋建 筑。
A塔楼高为249.5m的会议型酒店及配套设 施,地上58层,地下3层。
B塔楼高为314.5m的五 星级酒店及商业办公建筑,地上68层、地下3层。
C 区高为46.9m的会议中心,地上6层、地下2层。
2 栋超高层双塔楼共用5层配套用房,与会议中心分 别在15m和21.12m通过空中走廊连通。
钢结构用 钢总量约为4万1。
项目建成后,将作为2014年第 2届世界青年奥林匹克运动会会议中心及接待酒店 图1南京青奥中心效果图 Fig.1The effect of Nanjing Youth Olympic 使用(见图1)。
Sports Centre Project 2结构体系 A,B双塔楼采用钢管混凝土框架-钢筋混凝土 3天方地圆转换钢柱制作重点、难点 核心筒结构体系,裙房采用钢筋混凝土框架-剪力墙 1)圆管和十字(或H型)通过半曲面、半平面的 结构体系。
[关键词]隧道工程;浅埋偏压;应力;监测 [中图分类号]U457.6[文献标识码】A[文章编号]1002-8498(2011)19-0082-04 StressMonitoringAnalysisinShallow-buriedBias Section of Tianpingling Tunnel Exit DaiYong,Zhou Jianchun (Schoolof Civil Engineering and Transportation,South ChinaUnivesity ofTechnology,Guangzhou,Guangdong 510640,China) Abstract:In order to solve the mechanical process of tunnel excavation,authors choose three items including bolt axial force,steel support intermal force and initial concrete stress to make stability analysis of shallow-buried bias in Tianpingling tunnel exit. Test results show that: ① In initial support, the anchor only piays a temporary support on rock deformation and the selfsupporting of rock and steel brace play a major supporting role. ② As the tunnel bias, the pressure is different in both sides of the same test construction reference for lining. ③ Monitoring result shows that the design parameters of Tianpingling tunnel exit of class V supporting lining structure is more safe and reasonable which can provides reference for the similar projects. Key words:tunnels;shallow-buried bias;stress;monitoring 1工程概况线隧道距原右线隧道中心线间距64.5~108.8m。
施工技术 2010年8月 158 CONSTRUCTION TECHNOLOGY 第39卷第8期 天人长安塔钢结构综合施工技术 丁亮进,董欢涛,李妍,刘灿卿 (中国建筑股份有限公司西北分公司,陕西西安710018) [摘要]仿古建筑天人长安塔因其结构组合形式变化大,构件形状复杂,使得钢结构中的仿古构件—斗拱、挑檐 和弧形天沟等构件深化、加工及安装难度较大.施工中采用先进的构件后置安装综合施工技术替代传统的施工工 艺,解决了工程题,取得了良好的效果.重点介绍了仿古构件安装、转折柱加工、钢屋架安装等施工工艺. [关键词]天人长安塔;钢结构;仿古建筑;后置安装;施工技术 [中图分类号]TU758.1[文献标识码]A【文章编号]1002-8498(2010)08-0158-02 Comprehensive Construction Technology of Steel Structures in Tianrenchang'an Pagoda Ding Liangjin Dong Huantao Li Yan Liu Canqing Northtoest Branch China State Construction Engineering Co.Lad.Xi'an Shaanxi 710018 China) Abstract:Varied binations and plex shapes for archaic ponents are used in steel structure such as arches cornices and roof grooves add difficulties for design development processing and installation of Tianrenchang'an Pagoda.An advanced construction technique of post processing for ponents is used instead of conventional construction methods which not only solves the difficulties in construction but also achieves good effects.The construction technologies of antique ponents installation processing of transition column and steel roof installation are introduced in detail. Key words:Tianrenchang'an Pagoda;steel structure;pseudo classical architecture;post processing; construction technology 1工程概况 柱为中心,向外以钢框架柱、钢梁拓展开来,并逐层缩 2011西安世界园艺博览会四大标志性建筑—一小、加高.细部构造中应用钢结构焊接的风节点,替代 天人长安塔(见图1),位于西安市产灞生态区广运潭古代木结构的铆接节点.无论在建筑空间、防蛀效果、 景区,由中国工程院院士张锦秋大师设计. 耐久性、抗震性能、施工便捷等方面都得到极大改善. 天人长安塔是仿隋唐时期方形古塔建筑,1层挑 塔顶屋面系统采用截面较大的钢框架斜梁构成架 糖上面设有1层环形走廊...
施工技术 2011年1月 31 CONSTRUCTION TECHNOLOGY 第40卷第2期 天人长安塔钢一混组合结构应用技术 王宏旭,周华新,董欢涛,龚光宁 (中国建就股份有限公司西北公司,陕西西安710018) [要]211年西容世界圆艺博览会标志性建就之一天人长容塔工程采用钢一混凝土组含结构形式,介绍建筑设计 特点,结构节点形式.对铜柱脚的地脚猫栓理设方法进行了视明,并重点南迷了钢一混组含结构的施工流程和高抛 免兼播自密实混凝土的施工工艺.施工传果表明,一混组含结构有利于提高超高构件的施工质量,并可缩短结柏 的施工周期. [关键词]钢一温含德构:份古建筑:钢柱 [中图分类号]TU745.2 [献标识码]A[交章编号]1002-8498(2011)02-0031-03 Application of Steel-concrete Composite Structure in Tianrenchang'an Pagoda Wang Hongxu Zhou Huaxin Dong Huantao Gong Guangning Northcest Branch of China State Construction Engineering Co. Ltd.Xi'an Shaanxi 710018 China) Abstract:The steel-concrete posite structure is adopted in Tianrenchang'an Pagoda of a landmark built in Xi'an World Gardening and Horticulture Expo 2011.The characterstics of architectural design and form of structure joints are introduced.Besides embed method of lean layout foot margin and anchor bolt is outlined the construction process of steel-concrete posite structure is explained.Construction technology of high-pouring self-pacting concrete is mainly discussed.The construction quality of the ponents is improved and the construction period is shorten by adopting steel -conerete posite structure. Key words:steel-concrete posite structure:archaized architecture:steel column 随着现代科技的发展以及人们对建筑安全性、担绸建筑设计,建筑外形保持了隋唐时期方形古塔 用性和耐久性的要求越亲越高,对结构设计理论的神韵. 不断提出新课题、新要求.现段,一种新型结构形 地下1层为地宫层,地上塔体设明层7层、暗层 式—钢一混凝土组合结构正被广泛推广应用.铜一6层,全塔采用“内筒外框”的钢结构形式.核心筒 混凝土组含结构的优势在于:提高了建筑空间的利内设置梯、电梯及必要的管道坚井,外框部分均作 用率,减轻了建筑物自重,提升了建就的抗震性为观众远跳、...
[关键词]地下工程;桩基础;预应力管桩;填石层;施工技术 【中图分类号】TU753.3 [文献标识码]A[文章编号】1002-8498(2015)13-0023-03 ComprehensiveConstructionTechnologyofUltra-deep PHCPileintheStoneFilledLayer Song Mingzhi,ShangZengdi,Yu Fang,Lei Bin,Ye Shen (1.Shenzhen Gongkan Geotechnical Engineering Co.,Lid.,Shenzhen,Guangdong518026,China; 2.Shenzhen Municipal Engineering Corporation,Shenzhen,Guangdong 518026,China) Abstract:PHC pile construction with 800mm diameter and over50 meters depth in more than 10 meters deep stone filled layer, it's usually using traditional construction technology of impact holing.Impact holing method is adopted to pass through the stone fill layer, then backfill sand and construct PHC pile. There are several disadvantages in the previously mentioned method such as spending much time in impact holing,easily causing hole collapse,a great quantity of mud for hole protecting and high cost. In this paper, the authors suggest a new construction technology that using the large diameter DTH hammer two-way drainage hole on the pile to overe the buoyancy of groundwater.This prehensive construction technologyhas the advantages of drilling hole faster,being good at penetrating the stone fill layer and lower cost. Key words:underground;piles;PHC piles; stone filled layer; construction 0引言 高桩管的穿透力和垂直度,在管桩端部设置专门的 在超过10m以上的深厚填石层(填石粒径双向泄水孔以克服桩侧应力,实际施工达到了引孔 300~2000mm)施工大直径(Φ800mm)、超深(50m速度快、管桩施工穿透能力强、施工费用低的综合 左右)预应力混凝土管桩,通常的施工工艺是先采效果。
施工技术 2016年10月上 42 CONSTRUCTION TECHNOLOGY 第45卷第19期 D01:10.7672/js2016190042 填海区淤泥层高水位大直径灌注桩接长施工技术 李凯,王敬,沈明真,陈勇 (中国建筑第八工程局有限公司广州分公司,广东广州510665) [摘要]因设计变更,地下室层数由4层改为3层,部分已施工的工程桩需进行接长处理.分析了工程桩接长处理 的重点和难点,提出了一种安全可靠的施工方法,包括桩心的定位,钢护筒就位、压人、接长,人工挖土、破桩头,钢 筋笼绑扎以及混凝土浇筑,并提出了施工过程中的安全保障措施. [关键词]填海区;淤泥层;钢护筒;桩;施工技术 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2016)19-0042-04 Construction Technology of Spreading Large Diameter Bored Caisson Pile with High Level Water in the Reclamation Area Li Kai Wang Jing Shen Mingzhen Chen Yong China Construction Eighth Engineering Dirision Co.Lad.Guangzhou Branch Guangzhou Guangdong 510665 China) Abstract:Due to the design alteration of the number of stories from four to three part of the piles which were finished need to be spreading for long.This paper analyzes the emphasis and difficulties of the pile spreading technology.And a safe and reliable method is proposed including how to find center point of each pile putting each steel casing in its right place and pressing down spreading the steel casing for long artificial digging getting rid of each pile head binding Reinforcement cages and concreting.This paper puts forward measures to ensure the safety of the construction process. Key words:reclamation area;silt stratification;steel casing;piles;construction 1工程概况 在坑中坑土方开挖前进行接长处理,实际挖孔深度 南方金融传媒大厦位于珠海市横琴岛北侧填 9.6 11.2m. 海区,本工程地下室原设计方案为4层,基础桩为混 表1需处理的工程桩 凝土灌注桩.在桩基础施工过程中,由于设计图纸 Table 1 Piles need to be dealt with 变更,4层地下室改为3层,导致在变更前施工的灌 序号 桩径/mm 数量/根 处理段长度/m 注桩桩...
2013年11月下 施工技术 第42卷第22期 CONSTRUCTION TECHNOLOGY 37 D0I:10.7672/sgjs2013220037 填充墙砌体砌筑及饰面施工质量控制 李长坤 (北京燕化天钰建筑工程有限责任公司,北京102502) [摘要]为保证填充墙砌体满足抗震、节能、装饰等要求,针对当前施工中存在的墙体开裂、饰面层脱落、外墙渗水 等问题,通过采取审图把关、砌筑流程及施工工艺优化等措施,有效释放或抵抗砌体涨缩变形,实现填充墙体的各 项功能,确保填充墙砌体砌筑和饰面施工质量. [关键词]砌体工程;填充墙;裂缝;质量控制 [中图分类号]TU552.3 [文献标识码]A [文章编号]1002-8498(2013)22-0037-05 Construction Quality Control of Block Filling Wall Bricklaying and Ornamental Surface Li Changkun (Beijing Yanhua Tianzheng Building Engineering Co.Ltd.Beijing 102502 China) Abstract:Based on the problems of wall cracks ornamental surface shedding and external wall seepage in order to ensure the block filling wall can meet the requirements of seismic energy-saving and decoration the quality control measures are introduced including drawing inspecting construction process optimization et al the deformation of masonry is controlled and the quality of block filling wall bricklaying and ornamental surface are ensured. Key words:masonry;filling wall;cracks;quality control 在房屋建筑工程中,填充墙砌体主要起围护和 从抗震、节能、抗裂、防潮、防水及装饰效果等方面 隔断作用,常用有烧结空心砖、蒸压加气混凝土砌综合考虑,把握好关键技术措施. 块、轻骨料混凝土小型空心砌块等轻质材料.其施 1.1抗震措施 工质量控制的重点一要满足抗震要求,二要落实节 1)与主体结构应有妥善拉接,针对砌块材料及 能措施,三要保证装饰效果.《建筑抗震设计规范》填充墙体尺寸大小,采用水平系梁、芯柱、构造柱组 GB50011一2010、《砌体结构工程施工质量验收规 成水平和竖向拉接带,以保证墙体整体性和抗震 范》GB50203一2011以及相关砌块应用技术规程等 性能. 标准,从不同角度做出规定,提供了施工质量控制 2)与主体结构连接有脱开与不脱开2种方法, 的依据.但在施工过程中,由于各方对填充墙的重 有抗震设防要求时宜采用脱开法.当采用脱开法 视程度不如主体结构,因而较多地存在墙体裂缝、 时,设计应对留缝宽度、卡口铁件、填充材料、密封 饰面层脱落、外墙渗水等质量问题,应从及时发现 材料等做出明确规定.北京市地方标准对轻骨料 设计疏漏、充分做好砌筑前的准备工作、严格按图混凝土砌块做出了竖向硬连接、水平点连接的可操 纸规范施工、认真落实施工工艺措施人手,加强过 作性要求. 程质量控制,才能够有效避免填充墙砌体质量缺陷.1.2节能措施 1关键技术措施 1)重点关注外墙钢筋混凝土圈梁、过梁、构造 通过图纸会审,深入理解设计意图,尽早发现 柱部位,尽可能避免热桥影响. 设计疏漏,对保证施工质量起到预控作用.审图应 2)外窗与墙体交接部位既容易传热,又时常渗 水.除在窗口四周墙体侧面设置保温措施外,要求 [作者简介]李长坤,总工程师,高级工程师,E-mal:lichangkun@ 126.c0m 填充在窗框与洞口之间的聚氨酯发泡胶必须做到 [收稿日期]2013-03-24 连续、均匀、密实. 万方数据 38 施工技术 第42卷 1.3抗裂措施 开裂,要求现浇混凝土结构的填充墙应在承重主体 1)顶层过梁上、底层窗台下填充墙水平灰缝内 结构浇筑完成28d后开始砌筑.高层房屋可以由下 应设置钢筋或焊接钢筋网片. 向上安排工序,单层及多层建筑尤其应注意这一点. 2)填充墙体与梁、柱或混凝土墙体的结合界面 2)墙下基层处理对于填充墙下部基础施工 处,宜在粉刷前设置钢丝网片...
施工技术 2014年1月上 124 CONSTRUCTION TECHNOLOGY 第43卷第1期 D0I:10.7672/sgjs2014010124 填充墙嵌入式箱体非预留洞先期直接安装施工技术* 刘刚1,张静2 (1.成都建筑工程集团成都市第二建筑工程公司,四川成都610081; 2 成都建筑工程集团总公司,四川成都610031) [摘要]通过对嵌入式箱体在填充墙体非预留洞先期直接安装施工技术的深入研究和大量工程实践,设计了用于 箱体先期直接安装的临时固定型钢支架和施工节点构造,制定了箱体先期直接安装的工艺方法和相关工序的配合 措施.该技术的应用大大提高了安装质量,显著提高了工效、节约了工期和成本,施工绿色环保,取得了良好的社 会经济效益. [关键词]安装工程;填充墙;嵌入式箱体;施工技术 [中图分类号]TU71 [文献标识码]A [文章编号]1002-8498(2014)01-0124-04 Construction Technology of Embedded Box Early Fixed in Filler Wall Without Reservation Hole Liu Gang' Zhang Jing? (1.Chengdu No.2Construction Engineering Company Chengdu Sichuan 610081 China; 2.Chengdu Construction Engineering Group Co.Chengdu Sichuan 610031 China) Abstract:Based on the research and engineering practice of embedded box early fixed technology in filler wall without reservation hole the authors designed temporary steel fixation apparatus and joints structure in early installation made construction technique and measures.Application of this technology improved installation quality and efficiency reduced the cost and obtained good effect. Key words:installation;filler wall;embedded box;construction 近年来,随着建筑的智能化、功能多样化发展,成工序混乱、成品保护难、等待工期、拖延工期等 建筑内配置的各种强弱电或多功能箱体越来越多.问题. 为保证建筑有效使用空间,箱体往往采用在墙体上 针对填充墙体的嵌入式箱体的安装特点,研制了 嵌入式安装.传统的嵌入式箱体安装是在填充墙砌筑墙体非预留洞利用临时型钢支架先期直接安装 砌筑时预留箱洞和箱体进出线管槽,或者在砌筑完箱体的施工工艺,经过大量工程实践,该工艺取得了 工的墙体上开洞开槽,再进行箱体和进出线管安 非常显著的综合效益,明显优于传统施工方式. 装,安装完成后进行洞槽修边补烂工序.砌筑墙体1填充墙体嵌入式箱体非预留洞先期直接安装施 预留洞槽或后期开洞开槽,容易破坏墙体结构,严 工工艺的优点 重影响墙体的稳定性,容易造成施工安全事故.预 1)施工操作简便易行、操作人员少、安装简捷. 留或开好...
2014年5月下 施工技术 第43卷第10期 CONSTRUCTION TECHNOLOGY 55 D0I:10.7672/sgj2014100055 体外预应力法在某框架承重墙拆除改造中的应用* 李果,刘斌,杨坤,姚峰 (中国矿业大学江苏省土木工程环境灾变与结构可靠性重点实验室,江苏徐州221116) [摘要]某多层混凝土框架结构由于使用用途的改变,需要对部分地下室混凝土承重墙拆除.为保证原结构的受 力安全,在综合考虑使用要求、变形性能以及抗震承载力安全的基础上,采用体外有黏结预应力和U形增大截面相 结合的方法进行了改造加固设计与施工.施工安全监测结果表明:在预应力筋张拉和承重墙拆除过程中,结构的 应变发展符合理论预期值,结构的整体挠度变形很小,且没有裂缝出现.结构的改造和加固是安全的,实现了预期 的改造目的. [关键词]改造;加固;框架结构;体外预应力法;拆除 [中图分类号]TU746.3 [文献标识码]A [文章编号]1002-8498(2014)10-0055-04 Application of External Prestressing Strengthening Method in a Bearing Walls Demolition and Reconstruction Project Li Guo Liu Bin Yang Kun Yao Feng Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering of China University of Mining Technology Xuzhou Jiangsu 221116 China Abstract:Due to changes of service purposes some basement bearing walls in a multilayer concrete frame structure need to be reconstructed.To ensure the safety of the original structure considering the service requirements deformation performances and anti-seismic capacity a reconstruction and strengthening design was made with external bonded prestressed strengthening and U-shaped cross section enlargement method together and a detailed construction scheme was also made.Results of construction safety monitoring show that during the pre-stressing tensioning and removing of the bearing walls the strain developments of the structure are consistent with analysis results by theory and the whole deflection deformation of the structure is very small an...
福建省工程建设地方标准 DB 工程建设地方标准编号:DBJ/T13-112-2023 住房和城乡建设部备案号:J11358-2023 福建省建筑节能工程施工文件 管理标准 Fujian province management standard of construction document for building energy saving projects 2023-09-21发布 2024-01-01实施 福建省住房和城乡建设厅 发布 福建省工程建设地方标准 福建省建筑节能工程施工文件 管理标准 Fujian province management standard of construction document for building energy saving projects 工程建设地方标准编号:DBJ/T13-112-2023 住房和城乡建设部备案号:J11358-2023 主编单位:福州市建设工程质量监督站 批准部门:福建省住房和城乡建设厅 实施日期:2024年1月1日 2023年福州 前言 根据福建省住房和城乡建设厅《关于公布全省工程建设地 方标准复审修编项目计划的通知》(闽建科(2020)13号)的要 求,标准编制组经广泛调查研究,认真总结实践经验,参考有关 国内外先进标准,并在广泛征求意见的基础上,修订本标准. 本标准的主要技术内容是:1.总则;2.术语;3.基本规定; 4.建筑节能工程质量控制资料;5.建筑节能工程现场检验. 本标准修订的主要技术内容是:1.对建筑幕墙整体“四性” 提出了要求;2.对部分具体引用的标准增加了特定年号;3.对标准 名称英文翻译进行修改;4.增加地源热泵系统节能工程、太阳能 光热系统节能工程、太阳能光伏节能工程章节及相应内容. 本标准由福建省住房和城乡建设厅负责管理,由福州市建筑 工程质量监督站负责具体技术内容的解释.执行过程中如有意见 和建议,请寄送福建省住房和城乡建设厅科技与设计处(地址: 福州市北大路242号,邮编:350001)和福州市建筑工程质量监 督站(地址:福州市仓山区南江滨西大道193号东部办公区,邮 编:350000),以供今后修订时参考. 本标准主编单位:福州市建设工程质量监督站 本标准参编单位:聚璜集团有限公司 恒超建工集团有限公司 永富建工集团有限公司 福建建工集团有限责任公司 福建六建集团有限公司 中建海峡建设发展有限公司 福清市城投建设投资集团有限公司 3 ...