2011年11月上 施工技术 第40卷第352期 CONSTRUCTION TECHNOLOGY 85 某建筑群基础注浆加固试验与实践 陈杏祥1，陈金祥2 (1.应天职业技米学院管理工程系，江苏南京210046；2.南通鑫金建筑安装有限公司，江苏南通226000) [摘要]南通市某4幢2层框架建筑群外立面增加了仿古木建筑屋顶，上部荷载的增加将导致结构承载力不足和 较大的沉降变形.为有效解决上述问题，对原结构的部分基础和屋面梁进行加固处理.对施工中提出的基础植筋 加固方法进行了分析；通过模拟试验验证基础注浆加固的可行性，总结了注浆加固在该建筑群实施的经验. [关键词]地下工程；基础；植筋；加固；试验；注浆加固 [中图分类号]TU753.8 [文献标识码]A [文章编号]1002-8498(2011)21-0085-03 Test and Implementation of Buildings Foundation Reinforced by Grouting Method Chen Xingxiang' Chen Jinxiang? (1.Department of Management and Engineering Yingtian College Nanjing Jiangsu 210046 China; 2.Nantong Xinjin Construction and Installation Co.Ltd.Nantong Jiangsu 226000 China) Abstract:The facades of four two-layer frame structures in Nantong add antique wood roofs.The adding of upper structure load will result in lack of load-capacity and larger settlement deformation of the foundation and the existed roof beams.To effectively solve the problem part of foundation and roof beams are strengthened.The authors analyze the construction method of foundation planting-bar reinforcement verify the feasibility of grouting foundation reinforcement by test and summarize the grouting reinforcement experiences of the building group. Key words:underground;foundation;planting bar;reinforcement;test;grouting reinforcement 由于视觉景观、空间环境等要求，为提高沿街6月陆续开工，于2010年9月按设计施工图纸和建 建筑立面的整体统一性，在规划允许的前提下，可 设方的要求施工基本完成. 采取在原有建筑立面上运用统一的建筑词汇，在重 为了更好地开发旅游资源，振兴当地经济，2010 点部位（檐口、窗口、入口）反复强化处理.改造后 年9月底，建设方提出本工程要在原有建筑群素朴 由于外部构件的增加，使用荷载超过原来的设计荷 的外立面上增加仿古木建筑...
施工技术 2012年5月上 54 CONSTRUCTION TECHNOLOGY 第41卷第364期 某建筑修缮改造工程抗拔桩设计及讨论 孙建，邱洪兴，胡涛 (东南大学土木工程学院，江苏南享210096) [摘要]南京某民国文物建筑原为2层砖混结构，无地下室，现因修改造需要，拟改为异形柱框架结构，且增设1 层地下室，基底埋深为5.2-6.8m.由于地下水位较高，需考虑地下室的抗浮问题.结合该工程讨论了抗拔桩数 量的确定、桩身配筋计算及裂缝宽度验算等需要注意的问题，建议果用单桩安全系数法分区抗浮以及利用预留腐 蚀余量（增加纵筋直径3mm)的方法代替裂缝宽度验算等. [关键词]文物建筑：改造；抗拔桩；承载力：裂缝 【中图分类号]TU746.3 [文献标识码]A 【文章编号]1002-8498(2012)09-0054-03 Design and Discussion of Uplift Piles in a Building's Retrofitting Sun Jian Qiu Hongxing Hu Tao (School of Civil Engineering.Southeast Universiry Nanjing Jiangsu 210096 China) Abstract:A historic building built during the Republic of China in Nanjing is a two-floor masonry structure residence without basement.Now for the sake of repairing and reconstructing it needs to be changed into frame structure with specially shaped cohumns and single floor basement whose foundation base is buried to the depth of 5.2-6.8m is to be added.For the water level underground is high the anti-floating design of the basement need to be considered.Combined with this project some problems about determination of the quantity of uplift pile calculation of the reinforcement and checking of crack width are discussed.It is advised that designer use factor of safety method of single pile and add 3mm to bar diameter to ignore the checking of crack width and so on. Key words:historic buildings;modification;uplift pile;bearing capacity;crack 1工程概况 表1各土层物理力学指标 南京某民国文物住宅建筑，1932年建于颐和路 Table 1 Physical and mechanical iadex of each soil layer 边，总建筑面积486...
2014年5月上 施工技术 第43卷第9期 CONSTRUCTION TECHNOLOGY 91 D0I:10.7672/5j52014090091 某幕墙工程异形棱状装饰架设计与施工 郑春，刘涛 (中建三局装饰有限公司，北京100070) [摘要]装饰线条以其形式多样性在建筑装饰工程室外装饰中的应用越来越广泛，但更多的应用局限在装饰效果 上.以大型异形棱状装饰线条在深圳软件产业基地第三标段工程中的应用为背景，从设计与施工的角度不断地对 幕墙系统构造进行优化，重点阐述异形棱状装饰构架的防水分析（弱化风雨）及受力分析等，使原本功能单一的装 饰条起到了多种作用，充分发挥了其功能. [关键词]幕墙；装饰线条；受力分析；防水；施工 [中图分类号]TU74 [文献标识码]A [文章编号]1002-8498(2014)09-0091-04 Design and Construction of Special-shaped Prismatic Decorative Frame for Some Curtain Wall Structure Zheng Chun Liu Tao Decoration Co.Lid.of China Construction 3rd Engineering Bureau Beijing 100070 China) Abstract:Decorative lines in its various forms are widely used in outdoor building decoration engineering but the application is more limited in decorative effect.This paper taking large shaped prismatic decorative lines in Shenzhen Software Industry Base Third Bids as engineering background the curtain wall system structure is optimized constantly from the angles of the design and the construction.Authors focus on the analysis of waterproof shaped prismatic decorative frame with weakening wind and rain and stress analysis and so on.The original function of a single decorative strip plays a variety of roles to realize its function. Key words:curtain walls;decorative lines;stress analysis;waterproofing;construction 1工程概况 深圳软件产业基地第三标段工程位于深圳市 高新区南部的填海六区，总建筑面积137108m2 由 3栋塔楼组成，裙楼通过钢结构连廊连成一体（见图 1) 1号塔楼地上27层，结构主体高度95.5m 计入 出屋面结构时，总高度103.7m;2号塔楼地上16 层，结构主体高度52.6m 计入出屋面结构时，总高 度60.1m;3号塔楼地上24层，结构主体高度 83.8m 计人入出屋面结构时，总高度9...
2017年4月上 施工技术 第46卷第7期 CONSTRUCTION TECHNOLOGY D01:10.7672/sgjs2017070007 某巨型厂房钢网壳结构施工过程分析 游桂模，周观根，孙佳佳 (浙江东南网架股份有限公司，浙江杭州311209) [摘要]以某巨型厂房钢网壳结构作为研究对象，采用MIDAS Gen8.26软件进行网壳安装全过程仿真分析，包括 提升过程受力分析、临时水平拉索索力分析、网壳结构施工过程抗风分析、提升架及拉索卸载分析等.分析结果对 施工方案优化与辅助设施的设计提供可靠依据. [关键词]钢结构；膜结构；拱形网壳；仿真分析；拉索；抗风分析 [中图分类号]TU392.5 [文献标识码]A [文章编号]1002-8498(2017)07-0007-04 Analysis of Construction Process for Latticed Shell Structure in a Huge Workshop YOU Guimo ZHOU Guan'gen SUN Jiajia (Zhejiang Southeast Space Frame Co.Ltd.Hangzhou Zhejiang 311209 China) Abstract:Taking the steel lattice shell structure of a huge workshop for the research object by using MIDAS/Gen8.26 software lattice shell installation process simulation analysis was studied.The research content included force analysis in lifting process temporary cable's force analysis wind resistance analysis support brace and cable's unloading analysis.Analysis results provide reliable basis for optimizing scheme and design of the auxiliary facilities. Key words:steel strctures;membrane structures;arch lattice shell;finite element analysis;cables;wind resistance analysis 1工程概况 某双层拱形网壳结构（见图1），总用钢量约 9300t.结构长280m 宽150m 高120m.标高 64.237m以上为弧形网壳结构，标高28.000m以下 150m 280m 部分为圆管桁架，采用插人式柱脚；标高28.000- a建筑效果 b结构示意 75.000m为平板网架，平板网架倾角为7°.门框结 构顶标高120.000m 85.000m标高以下为双层网 图1某巨型网壳厂房 壳，网壳厚度5.84m;85.000m标高处设置门顶桁架 Fig.1 Mega-lattice shell industry building 梁，外挑20.2m.门顶桁架梁至拱顶区域为门头网 和图3所示，通过逐步外扩拼装，提升点置换，逐步 架，门头网架厚5.4m.山墙为焊接球网架结构，范 提升.安装过程如下：①第1单元在拼装平台上拼 围从地面直至结构顶部. 装完成，水平临...
[关键词】钢结构：膜结构；网壳；屋盖；外扩累积提升；抗风措施 [中图分类号]TU94[文献标识码]A[文章编号]1002-8498（2017）07-0001-03 KeyTechnologyfor Construction ofLatticed Shell Structure in a Huge Workshop ZHOU Guan'gen,YOU Guimo,HUANG Yong (Zhejiang Southeast Space Frame Co.，Ld.,Hangzhou,Zhejiang 311209,China) Abstract;A workshop has a large span, height and area. Combination with these characteristics and field condition，external cumulative lifting of latticed shell structure is used. A series of construction techniques are introduced such as external cumulative hydraulic lifting， lifting points arrangement and form，wind resistance design，horizontal forceoffsetmeasurement，supporting system design and closure and unloading. The techniques application makes the construction safe and efficient and reduces cost in measure fee. Key words: steel structures;membrane structures; shells; roofs; extermal cumulative lifting; wind resistance 1工程概况 某厂房位于我国西北某地，建筑面积约3.2万 m²，厂房大门高85m，宽105m。
厂房结构如图1所 示，网壳结构，外围为彩钢板。
钢结构网壳长280m， 宽150m，高120m。
标高28.000m以下部分为圆管 桁架结构，采用插人式柱脚；标高28.000m以上， 75.000m以下为平板网架结构，平板网架倾角为图1厂房钢结构示意 7°；标高64.237m以上为弧形网壳，正放四角锥焊Fig.1Steel structure of the workshop 接球形节点，网格基本尺寸为6mx6m。
[关键词]钢结构；膜结构：厂房：控制系统；折叠；施工技术 [中图分类号】TU392.6 [文献标识码]A [文章编号]1002-8498(2017）07-0011-04 Construction ofFolded-openMembraneStructure Gate of a Huge Workshop YAN Yongzhong',ZHOU Guan’gen²,JIN Hui',YU Chunje²,XU Zhong (1.Zhejiang Southeast Steel Structure Co.，Lid.，Hangzhou,Zhejiang 311209,China; 2.Zhejiang Southeast Space Frame Co.，Lid.,Hangzhou,Zhejiang 311209, China; 3.Shenyang Treasure Door Industry Co..Lid. Shengyang，Liaoning 110179,China) Abstract;A workshop with a super large area gate is 85 meters high.The manufaction and construction is difficult.The gate’s cloth ismembrane material and supporting is cable structure.The gate’s open and closed is controlled by electric control system.The connection between membrane and cable and electric control system are analyzed. Component deformation accuracy control，membrane laying， cable fastener Key words:steel structures；membrane structures;workshop;control system；folding;construction 1工程概况 某巨型厂房工程长280m，宽150m，高120m，建 筑面积37240m²。
[关键词］钢结构；膜结构；控制系统；质量控制；提升 [中图分类号]TU392.6 [文献标识码】A [文章编号】1002-8498（2017)07-0004-03 InstallationofFolding-openMembraneStructureGateofaHugeWorkshop ZHOU Guan'gen,HUANG Yong,WAN Jingxin,ZHU Chaowei (Zhejiang Southeast Space Frame Co.，Lud.、Hangzhou,Zhejiang 311209, China) Abstract:A folding-open membrane structure gate of a huge workshop is difficult to construct because its high accuracy of installation,hard quality control and transportation and lifting. A series of techniques are introduced including running track design，membrane material fusion，transportation and lifting technique and electronic control system.These techniques are proved to be efficient and can guarantee the construction quality and scheme. Key words;steel structures;membrane structures; control system;quality control;lifting 1工程概况 风速为25.3m/s。
某厂房为跨度150m，最高点标高120.000m，长 280m的超高网壳建筑（见图1）。
该建筑一端为封 闭山墙，另一端为柔性推拉式大门。
门洞净开尺寸 为宽105m，高85m。
大门由电动实现推拉，北侧固 定，向南侧开启与闭合（见图2）。
大门抗风骨架由间距2.0m的67根Φ30mm钢 图1厂房结构尺寸 索构成，钢索上部通过滑块与大门上导轨连接，钢 Fig.1 Steel structure size of the workshop 索下部通过滑块与下导轨连接。
钢索表面覆盖膜 布，膜布材质为聚酯乙烯，基布厚度0.8mm。
膜布 和钢索重合部分均有加强带和耐磨带。
大门上部采用一种补偿装置，其原理为在大门 承受大的风荷载和阵风时，可适当伸长，减少大门 图2大门开启 钢索的拉力，减少钢索对上部网架和下部基础的拉 Fig.2 Cable membrane door opening 力。
[关键词]预应力；预应力混凝土；管桩；抗拔桩；静载试验；承载力 [中图分类号]TU757.4[文献标识码]A[文章编号]1002-8498（2016）09-0074-03 AnalysisandTreatmentsoftheDamagesofPrecastTubularPilesDuring UpliftingStaticLoadingTestinanEngineeringProject Wang Hui，Yue Jinchao （School of Environment and Water Resources，Zhengzhou University，Zhengzhou，He'nan 450001,China) Abstract;Forinvestigating the reasons of precast tubular pile damage during uplifing static loading test in an engineering project， the geological engineering conditions of experimental field， test methodology and procedure were deeply analyzed. Finally， the main reason for this damage was obtained and the corresponding treatments were also put forward.The results show that the measures are appropriate and the cost and construction period are saved. Key words: prestresing; prestressed concrete; piles; anti-lifting piles;static loading test; bearing capacity 预应力管桩具有构件质量可靠、桩身强度高、砂土液化的现象，使预应力管桩抗拔承载力大大减 作为抗拔桩在工程中应用日益增多2。
2010年9月 施工技术 第39卷第9期 CONSTRUCTION TECHNOLOGY 75 某工程预应力抗浮锚杆施工工艺改进 李启东，郑委，姜孝芳，姚永权 (威海建设集团股份有限公司，山东威海264200) [要]威海市民支化中心工程采用筏够基础，工程性海，地下水位较高，设计有预应力抗浮器料.为解决提高 杆抗拔我力、偶证节点防水施工展量而个和五美联的施工难题，队施工工艺进、多专业施工配含、全过程 术控制角度，介了预应力抗浮科成套施王新技术，保证了抗浮猫杆抗拔柔我力和节点防水故果. [关键询]预应力抗浮锚杆：抗拔承载力：防水：施工工艺 [中分类]TU753.1 [献标识弱]A [章编]10028498(2010)09-0075-03 Improved Construction Technology of Prestressed Anti-floating Anchor in Some Project Li Qidong Zheng Wei Jiang Xiaofang Yao Yongquan Weihai Construction Group Co.Lad.Weihai Shandong 264200 China) Abstract:Raft foundation is designed in Weihai Public Cultural Center.The project locates in coastal area therefore prestressed anti-floating anchors are designed to prevent too large buoyancy caused by underground water.A new set of construction technology for prestressed anti-floating anchors is introduced from construction process improving multi profession cooperation and whole process control in order to solve associated difficulties of improving bearing capacity of prestressed anti-floating anchors and ensuring waterproof quality of joints.It proves that the new construction technology ean ensure anti- pulling capacity of prestressed anti-floating anchors and waterproofing effects of joints. Key words:prestressed anti-floating anchor:anti-pulling capacity:waterproof:construction process 目前工程中广泛应用的抗浮技术有抗拔裤和抗拔钢网架结梅，外墙多为破端暴墙，局部为干挂石材，为威 摇杆两种，其中抗拔的抗拔承载力较高，但成本也较海市标志性建筑.地下宣设有交物含等重要场所，防 高：抗拔错杆承载力相对低一些，成本也低得多，但其 水等级为I级，采用4mm厚聚氨酯防水涂料.由于工程 施工技术并不是很成熟.本交研究在不大幅度增加成 邻近海边，地下水位...
施工技术 2017年8月上 46 CONSTRUCTION TECHNOLOGY 第46卷第15期 D0I:10.7672/8js2017150046 某工程预应力悬挑梁施工难点及控制要点* 张伟，周支军，李阳，张中善，包正 (中国建筑第七工程局有限公司，河南郑州450004) [摘要]介绍某工程大跨度悬挑预应力混凝土梁施工概况，针对梁柱节点预应力束准确定位难、局部受压面积不足 易出现裂缝，模板支撑体系拆除产生下挠3个间题，分析3个难点出现的根本原因并提出了解决方案，同时述了 后张法有粘结预应力混凝土梁施工控制要点. [关键词]混凝土；预应力；悬挑梁；裂缝；施工技术 [中图分类号]TU745.2 [文献标识码]A [文章编号]1002-8498(2017)15-0046-03 Construction Difficulties and Control Keypoints of an Engineering Prestressed Cantilever Beam ZHANG Wei ZHOU Zhijun LI Yang ZHANG Zhongshan BAO Zheng (China Construction Serenth Engineering Dirision Co.Ltd.Zhengzhou He'nan 450004 China) Abstract:This paper introduces a project of large span cross cantilever construction of prestressed concrete beam.According to the problems of pinpoint difficulty of beam and column joint prestressed tendon that local pression area is not enough it is easy to crack and that the formwork support system is dismantled to produce deflection the reasons for difficulties and corresponding solving schemes are analyzed and the construction control keypoints for post tensioned bonded prestressed concrete beam are described. Key words:concrete;prestressing;cantilever beam;cracks;construction 1工程概况 平面布置如图1所示.预应力混凝土梁所采用的波 某商业工程位于郑州市区，总建筑面积约51万 纹管直径为70mm 2根预应力混凝土梁和1根普通 m2.由A B C.D座组成，地上18层，建筑高度为框架梁其上部纵筋均为2排o25 则节点处有2条 79.9m 整个工程2~18层的各层外围均为大跨度 波纹管、6排25上部纵向钢筋穿过，且框架柱主筋 预应力混凝土悬挑梁，悬挑跨度平均为15m 2根预 直径较大、箍筋密集，导致波纹管无法穿过且预应 应力混凝土梁与1根普通框架梁在梁柱节点交叉，力束曲线节点处竖向位置偏差过大，严重影响工程 预应力混凝土梁的张拉端均为双孔形式，截面尺寸 结构质量，如何保证预应力束曲线依照深化设计施 多为450mm×1400m...
施工技术 2013年10月上 22 CONSTRUCTION TECHNOLOGY 第42卷第19期 D0I:10.7672/sgjs2013190022 某工程软土基坑支护设计及钢斜撑的应用 郭学伟，庞爱红，徐明 (中国建筑第八工程局有限公司，北京100097) [摘要]天津奕聪花园工程地下室平面设计与基坑支护相结合，软土基坑采用灌注桩分级支护.钢斜撑在两级灌 注桩间增加侧向刚度，明确钢斜撑处结构施工与土方开挖之间的顺序.采用三轴搅拌桩进行止水帷幕和基坑内设 大口井降水的方法进行基坑降水.通过重点监控地下室水平和竖向后浇带节点防水施工质量，满足地下室无渗漏 要求.工程实践表明，采用此技术降低了施工成本，提高了施工效益. [关键词]地下工程；深基坑；支护；钢斜撑；设计；施工 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2013)19-0022-04 Design of Soft Soil Foundation Excavation Support in Some Project and Application of Steel Brace Guo Xuewei Pang Aihong Xu Ming China Construction Eighth Engineering Division Co.Lid.Beijing 100097 China) Abstract:Design of basement bined with foundation excavation supports is adopted in some project in Tianjin and the soft soil foundation excavation adopts classified support with bored piles.Steel brace was used among bored piles to improve the lateral stiffness and the construction process of steel brace and earth excavation were determined.Three axes agitating pile was used for waterproof curtain and big well was used for dewatering.Waterproofing construction quality was ensured by monitoring.Engineering practice shows that application of the technology reduces the cost and improves construction benefit. Key words:underground;deep foundation excavation;supports;steel brace;design;construction 1工程概况 2.2水文地质条件 天津奕聪花园工程位于天津市南开区，北至奥 场区水文地质条件（渗透性指标）如表2所示. 城住宅和奥城商业广场、东至奥维拉住宅区、南至 场区地下潜水埋深1.33-1.75m 年变幅0.5~ 红旗南路、西至彩虹花园居住区.其中，酒店式公 1.0m.微承压水含水层为⑤，层粉砂层，其上④层 寓2栋，为5 6号楼，分别为32 38层，带2层地下 粉质黏土为隔水顶板...
[关键词】钢筋混凝土；框架；转换梁；脚手架；传力柱；设计；施工 [中图分类号】TU756.41[文献标识码】A[文章编号】1002-8498（2014)02-0101-03 Designand Construction of theTemporaryTransmission Column of TransferBeamofaEngineering Lin Shouzhong,Li Jianhong （The Fifh Construction Co.of Zhongtian Construction Group Co.，Ltd.，Xi'an,Shanxi710065，China) Abstract;Fastener-style steel pipe is widely used because of faster and easier control for construction. When the beam and slab was intercepted by post-cast strip, supporting column was cancelled, construction loading was extremely disadvantage to structure supporting capacity，temporary column was set up to transfer construction loading.It is more convenient,faster and efficient. The design and construction for supporting and transmission support of transfer beam， every layer floor and roofs were introduced in detail. Key words:reinforced concrete；frame;transfer beam;scaffolds;transmission column; design;construction 随着建筑功能要求的复杂化，出现越来越多各 类超重结构，给施工设计带来难度。
由于底层图12层和屋面超重梁部位结构平面示意 大堂空间的需要，1层在轴交，轴处的框架柱Fig.1 Layout plan of overweight beam 取消；2层转换梁尺寸700mm×1600mm，跨度location on floor 2 and roof 16.2m，5轴2层以上的框架柱生根于转换梁；4层转换梁被后浇带切分为净长10.05m和4.35m 功能为大宴会厅，5轴框架柱全部取消；屋面梁尺的两段悬挑结构，3，4层结构由于转换梁上框架柱 寸600mm×1300mm，跨度16.2m。
施工技术 2010年4月 46 CONSTRUCTION TECHNOLOGY 第39卷第4期 某工程转换层支模体系施工与安全控制 何盛熙 (广厦建设集团安徽创业建设工程有限公司，安微合肥230011) [摘要]通过合肥某工程，分析了转换层高大截面粱结构支模体系的施工技术，系统地述了施工过程中支模体系 的安全措施与控制，指出转换层高大截面梁结构施工过程中安全的重要性和必要性.并对超高、超重满堂支模架 的钢管材质、设计和施工要点，以及针对支模体系在施工中的安全控制，作出了一系列分析与论述，经过设计计算， 选用钢管与扣件等合格的材质，同时在施工中加大管理力度，强化过程控制，达到了预期的施工、质量安全效果. [关键词]转换层；支模体系：设计；施工管理；质量安全指施 [中图分类号]TU755.22 [文献标识码]A [文章编号]1002-8498(2010)04-0046-03 Construction and Safety Control of Some Formwork Support System of Transfer Layer He Shengxi Guangsha Construction Group Anhui Venture Construction Engineering Co.Lad.Hefei Anhui 230011 China) Abstract:Through some engineering in Hefei construction technology for formwork support system of high sectional beam of transfer layer is analyzed and the security measures and control are described systematically which indicate the importance and necessity of safe construction.Furthermore the steel tubular quality design and key points of construction to super-high and overweight formwork support are analyzed and described.By calculation choosing qualified steel tubular and fastener intensifying management effort strengthening control the engineering has gained excellent effect. Key words:transfer layer;formwork support system;design;construction management;security measure for quality 高层结构往往采用高大截面梁来转换楼层平面布构缩进1000mm(见图2)，支模体系施工难度较大. 置，给施工安全带来了极大难度.当前，对于超高、超重 的满堂支模体系，由于施工疏于管理，施工方案未经仔 细设计计算，选用钢管与扣件材质不合格、搭设构造不 符合施工规范和设计要求，从而造成整体期墙的重大伤 亡事故.为了确保施工安全，支模体系设计除满足施工 荷载和施工工艺要求外，还必须充分利用建筑物本身的 有利条件，努力适应工期要求，达到安全省料...
[关键词］地下工程；深基坑；基础；内支撑；降水；施工技术 【中图分类号】TU753：【文献标识码】A[文章编号】1002-8498(2014)01-0053-04 Construction Technology of Ground and Foundation for Super-large Deep Foundation Excavation of Some Engineering Mei Xiaoli, Chen Jie,Liu Wei (The Third Construction Co.，Lad.of China Construction First Group， Beijing 100161) Abstract:Based on engineering practice,this paper introduced thekey points and dificulties in ground and foundation construction.In excavation and inner support construction,tower crane engineering was reasonably arranged to improve construction efficiency. Construction technologies were introduced from dewatering,excavation and inner support construction, support exchange and demolition, pits in foundation excavation.Monitoring results showed that it can meet the standard requirement. Key words:underground;deep foundation excavation;foundations;inner supports; dewatering; construction 1工程概况和机械设备需求。
2014年10月下 施工技术 第43卷第20期 CONSTRUCTION TECHNOLOGY 111 D0I:10.7672/sgjs2014200111 某工程莫比乌斯环状幕墙脚手架搭设技术* 徐琳 (江苏工程职业技术学院建筑工程学院，江苏南通226007) [摘要]某工程采用莫比乌斯环造型设计，建筑外壳由多块不同尺寸的单元式幕墙组成，为一个自由连续的曲面， 为解决各区幕墙脚手架分区搭设高度、细部参数设置、节点处理等技术难题.针对工程难点，设计了脚手架参数， 经实践应用，该方法可提高幕墙安装的精度，缩短工期，增加经济效益. [关键词]幕墙；莫比乌斯环；脚手架；搭设；施工技术 [中图分类号]TU731.2 [文献标识码]A [文章编号]1002-8498(2014)20-0111-03 Mobius Ring Wall Scaffolding Technology Xu Lin (School of Civil Engineering Jiangsu College of Engineering and Technology Nantong Jiangsu 226007 China) Abstract:An especial engineering is designed in mobius ring shape whose building shell is posed of unit-type curtain wall with different sizes which is a free curved surface.In order to solve the curtain wall scaffolding erection height of partition detailed parameter settings the joint processing technology according to the engineering difficulties the scaffold parameters is designed.Through practical application this method can improve the accuracy of the curtain wall installation shorten the construction period and increase the economic benefit. Key words:curtain wall;mobius ring;scaffolds;erection;construction 1工程概况 2脚手架施工 该工程总建筑面积为64973m2 建筑最大高度 根据本工程主体钢结构的特点、内外幕墙的分 54m 地上10层，地下3层，采用框架剪力墙及钢结 布情况和工期要求，同时结合现场施工条件，为 构形式，工程结构层高：底层6.3m 2~10层4.2m 保证工期、保证施工质量和施工安全，采取“分区施 顶层6.75m 楼板厚度180mm.建筑外壳采用单元 工，齐头并进，流水作业，分段移交”的施工步骤，将 式幕墙，为一个自由连续的曲面.单元板块随主体 幕墙施工分为4个施工区.经过比较、筛选，最终确 钢结构光滑过渡，各连接点变形角度、尺寸均不相定脚手架、排架搭设施工方法如图2所示. 同，因而幕墙施工脚手架的搭设难度大（见图1）. 1)施工1区北侧立面采用双排钢管落地脚手 架，搭设高度23~27m 立杆间距1200mm× 150...
施工技术 2010年1月 78 CONSTRUCTION TECHNOLOGY 第39卷第1期 某工程灌注桩复式注浆施工技术 闫永茂，庞军辉 (山西建筑工程（集团）总公司，山西太原030002) [摘要]后压浆灌注桩在普通成孔灌注桩基础上，增加了放置压浆管、注浆准备及压浆3个步骤，并于桩成孔后在 孔底投放直径1~3cm的碎石.某通信生产基地采用薄注桩复式注浆工艺进行地基处理，介绍了注浆工艺、施工设 备、注浆管制作及高压注浆等技术措施，并提出施工质量保证措施.实践证明，复合注浆技术不仅能显著提高桩的 承载力、有效减少柱基沉降，且质量稳定可靠、无噪声、无振动、无污染. [关键词]地基处理；灌注柱；后压浆；复式注浆；承载力；施工技术 [中图分类号]TU753.3 [文献标识码]A[文章编号]1002-8498(2010)01-0078-03 Construction Technology of Double Grouting for Bored Piles in Some Project Yan Yongmao Pang Junhui Shanxi Construction Engineering Group Co.Lad.Taiyuan Shansi 030002 China) Abstract:Based on traditional bored piles technology three construction steps are added in construction of post-grouting bored piles including laying grouting pipes preparation and grouting.Then gravel with 1 ~3mm in diameter is put in bottom of formed holes.Foundation treatment of a munication production base adopts double grouting technology for bored piles.Technologies such as grouting process construction equipment grouting pipes preparation and high-pressure grouting are introduced as well as quality ensuring measures.It proves that double grouting technology can improve bearing capacity and reduce settlement of bored piles.Moreover it has advantages of stable and reliable quality quietness no vibration and no pollution. Key words:foundation treatment;bored pile:post grouting;double grouting;bearing capacity; construction technology 1工程概况 注桩增加了放置压浆管、注浆准备及压浆3个步骤，并 某中国移动通信生产基地工程位于太原市经济技于桩成孔后在孔底投放0.5m厚1~3cm的碎石.目 术开发区，总建筑面积63300m2.包括通...
施工技术 2012年12月下 36 CONSTRUCTION TECHNOLOGY 第41卷第379期 某工程深基坑内支撑方案优化 闫新郑 (郑州大学第一附属医院，河南郑州450052) [摘要]某医院病房综合楼工程，基坑尺寸为120m×80m×22.67m 基坑四周布置钢筋混凝土灌注桩挡土，挡土桩 内壁设计了4道钢筋混凝土内支撑，-14.600m钢筋混凝土内支撑阻断了自卸汽车运土路线，项目部对深基坑内 支撑进行了方案优化，部分内支撑改为锚索，解决了挖土作业空间小导致的施工效率低的问题，加快了工程进度. [关键词]地下工程；深基坑；支撑；错索；施工技术 [中图分类号]TU753.1 [文献标识码]A [文章编号]1002-8498(2012)24-0036-02 Scheme Optimization on Inner Support of Deep Foundation Excavation in Some Engineering Yan Xinzheng The First Affiliated Hospital of Zhengzhou University Zhengzhou He'nan 450052 China) Abstract:The foundation excavation is about 120 meters in length 80 meters in width and 22.67 meters in depth in some multifunctional ward building.The surrounding of foundation set out reinforced concrete bored piles as retaining piles.In the inner wall of the retaining piles has four rows of reinforced concrete inner support.Because the inner supports at elevation -14.600 meters block out the soil transport route so the scheme optimization on inner support is done part of inner supports are replaced by anchors which can solve the problem of low construction effect induced by small soil-digging space. Key words:underground;deep foundation excavation;support;anchor;construction 随着我国城市化建设步伐的加快，城市人口越闭合低松弛预应力钢绞线铺索（以下简称错索），预 来越多，造成停车难、附属设施建设用地难.拟建应力钢筋采用强度等级标准值f=1860MPa的高 工程设置多层地下停车库、人防工程、附属设施用强低松驰钢绞线，公称直径15.2mm 每道锚索由4 房等，已经成为缓解或解决用地难的重要措施，因 束钢绞线组成，错索长度21.5 21.0 20.0m 错固段 此，建筑基坑越来越深是发展趋势.但由于建设行 入强风化以上岩层>10m.基坑支护如图1所示， 政主管部门要求或周边建筑的限制，采用内支撑的 基坑支护支撑梁内力情况如表1所示. 越来越多，也由此带...
施工技术 2012年8月上 52 CONSTRUCTION TECHNOLOGY 第41卷第370期 某工程洁净手术室墙面及顶棚施工技术 李太权，王利生 (中国新兴建设开发总公司，北京100039) [摘要]以中国人民解放军总医院第一附属医院烧创伤大楼工程为例，主要介绍100级洁净手术室内墙面和顶棚 无缝洁净面板施工技术，结合现阶段材料、工艺而选择的最佳设计、施工方案，实现了工厂化、流水线化作业，取得 了很好的实施效果. [关键词]特种工程；墙面；顶棚；洁净手术室；施工技术 [中图分类号]TU761 [文献标识码]A[文章编号]1002-8498(2012)15-0052-03 Construction Technology for Walls and Ceiling of a Clean Operating Room Li Taiquan Wang Lisheng China Xinxing Construction and Development Corporation Beijing 100039 China) Abstract:Taking the Burn and Trauma Building of 304 Hospital as an example this paper mainly introduces the construction technology of seamless clean panel for the walls and ceiling in grade-100 clean operating rooms.With existing material and construction technique the design and construction scheme were optimized so that the main construction procedure can be finished in the factory with streamline manufacturing.The engineering practice shows a good effect. Key words:special engineering;walls;ceilings;clean operating room;construction 1工程概况 的装修，主要着眼点是面层材料易于安装，便于清 中国人民解放军总医院第一附属医院烧创伤 洁，容易达到洁净要求，有利于保持室内温湿度，减 大楼工程，总建筑面积44423.01m2 框架剪力墙结轻空调系统负担.要避免由静电引起的挥发性麻 构，地下2层，地上16层.第10层洁净手术部由10 醉药品或各种气体爆炸、着火等危险.要防止对医 间手术室和1间无菌物品库房、洁净走廊以及配套 护人员产生视觉干扰，并要考虑材料在施工中的适 功能用房等组成，其中100级净化手术室2间，用性和可行性. 1000级净化手术室6间，10000级净化手术室2间. 常用于洁净手术室装修的材料有以下几种类 本文讲述了第四代洁净手术室施工技术. 型：不锈钢、铝合金、塑料、卫生陶瓷类、水磨石、稳 2手术室等洁净房间对装饰材料的性能要求 定漆料等. 高洁净度手术室对于室内面层装修材料有特 3手术室等洁净房间墙面、顶棚做法 殊的要求，主要有以下几方面：①表面平滑，不易开 1)手术室墙面组成墙体型钢骨架包括C形 裂，没有会使尘粒渗入的裂缝、凹陷、孔隙和气孔； 地槽龙骨、竖向主龙骨、水平龙骨、竖向辅助龙...
[关键词】施工升降机；基础；加强支撑技术；安全；监测 [中图分类号]TU8[文献标识码]A[文章编号】1002-8498(2017）04-0090-02 StrengtheningSupportTechnologyfortheStructureUnder the BasementofConstructionElevatorinSomeEngineering Su Yunhui'，Wang Yongming'，GaoXiang'，Ma Xinzheng² (1.Xinjiang Research Institute of Building Sciences LLC,Urumqi,Xinjiang830054,China; 2.Xinjang Construction EngineeringGroupFirstConstructionCo.，Ld.，Urumqi，Xinjiang30000,China) Abstract;In some engineering，the basement of construction elevator set on the floor of underground garage.To assure structure safety， the floor under the basement of construction elevator needs to be strengthened by setting support.The authors show in detail the strengthen support technology and safety monitoring measures of all-round scaffold.By the engineering application，the safety and economic of the strengthen support system are verified. Key words:elevators;basement； strengthen support system； safety；monitoring 目前高层及超高层建筑越来越多，为节约土地地上主楼范围 和提高建筑空间使用率，将地下车库连成整体作为层建筑外转线 高层及超高层建筑的基础，这样安装的施工升降机 基础就会坐落在地下车库顶板上部。
为传递施工③ 升降机荷载，确保建筑结构安全，需对施工升降机[4.526 基础下部结构做加强支撑。
下面对某工程施工升9 4006 026 降机基础下部结构加强支撑技术做总结介绍。
图1施工升降机（施工电梯）安装平面位置 1工程情况Fig.1Installation plan layout of construction elevator 某建筑工程地上25层，建筑高度99m，地上部 分坐落于地下车库之上，地下车库2层，拟安装中联度等级为C60、挡土墙混凝土强度等级设计为C40， 重科的SC200/200施工升降机（施工电梯）1台，施安装施工升降机前均已达到设计要求强度。
