施工技术 2013年2月下 64 CONSTRUCTIONTECHNOLOGY 第42卷第4期 DOI:10. 7672/ sgjs2013040064 底座板涂层对消除水泥乳化沥青 砂浆垫层贯穿孔效果的试验研究 薛志杰 （京福铁路客运专线安徽有限责任公司，安徽合肥230011） [摘要]为消除CRTSⅡI型板式无轨道水泥乳化沥青砂浆在施工过程中易产生的贯穿孔，采用涂层材料对底座板 混凝土表面进行适当的封闭处理，通过涂层后的防水效果、贯穿孔分布情况、砂浆凿除的难易程度以及与混凝土间 的界面黏结强度等研究了A，B两种涂层材料的应用效果。

结果表明，两种涂层均能有效封闭混凝土的渗水通道， 避免贯穿孔的形成；涂层后的底座板与水泥沥青砂浆均具有较高的黏结力，砂浆较难凿除，砂浆与混凝土间的界面 黏结强度明显提高。

由于乳液B的颗粒粒径更小，其有效成分更容易渗透到混凝土的毛细孔隙，其提高界面黏结 强度的作用较乳液A明显。

【关键词]水泥；砂浆；涂层；底座板；贯穿孔；黏结力 【中图分类号]TU578.1 [文献标识码】A [文章编号】1002-8498(2013)04-0064-04 ExperimentalStudyonEffectofBasePlateCoatingto EliminatethePenetratingHolesinCementEmulsifiedAsphaltMortar Xue Zhijie （Bejing-Fuzhou Railway Passenger Dedicated Line Anhui Co.，Ltd.，Hefei，Anhui 23001l,China) Abstract:In order to eliminate the penetrating holes of cement emulsified asphalt mortar generated during the construction of CRTS II slab track， coating materials are applied to appropriately seal the concrete surface of the base plate. The application effect of two coating materials A and B was studied with respect to their waterproof performance， the distribution of penetrating holes，the difficulty of mortar chiseling as well as the interfacial bond strength with concrele. The result shows that both coating materials can seal the seepage channel of concrete efectively to avoid the formation of penetrating holes.With the coating, higher bonding strength was developed between the base plate and cement emulsified asphalt mortar. The mortar was difficult to be chiseled and the interfacial bond strength between mortar and concrete was improved significantly. Since the particle size of emulsion B was smaller and its active ingredient can easily penetrate into the capillary porosity of concrete，improvement of the interfacial bonding strength is more significant with emulsion B than with emulsion A. Key words:cement;mortar;coatings; base plate; penetrating hole; bonding strength 0引言 贯穿孔。

这种类型空隙的显著特点是其对应于砂 CRTSⅡ型纵连板式无轨道的底座板（或浆靠近底座板的一面有较大的孔洞，即水与空气的 其孔隙率较大，极易吸水。

当具有高流动性的水泥时，势必会对垫层的性...

2015年1月上 施工技术 第44卷第1期 CONSTRUCTIONTECHNOLOGY 99 DOI:10. 7672/sgjs2015010099 层间错动带对导流隧洞围岩稳定性影响研究* 刘强'²,吴文兵²，段隆臣²,符文"2 (1.中国地质大学岩土钻据与防护教育部工程研究中心，湖北武汉430074； 2.中国地质大学（武汉）工程学院，湖北武汉430074） [摘要]层间错动带是影响导流隧洞围岩稳定性的主要地质构造之一，研究层间错动带在导流隧洞不同部位出露 时对导流隧洞开挖后的稳定性及支护参数选取的影响具有相当重要的工程意义。

基于FLAC3D软件，采用数值分 析方法模拟了层间错动带分别在导流隧洞不同部位出露时，导流隧洞围岩稳定性的情况。

结果表明，当层间错动 带在起拱线以上到拱顶之间出露时，对导流隧洞围岩稳定性影响最大。

随后，针对层间错动带给出的支护方式及 支护参数进行数值分析，论证其支护方案的可行性。

[关键词】隧道工程；导流隧洞；错动带；围岩稳定性；数值模拟 [中图分类号】TV551.12 [文献标识码]A [文章编号】1002-8498(2015)01-0099-04 StudyonInfluence ofInterlayerShearBeltonStabilityofSurrounding RockofDiversion Tunnel Liu Qiang'.2， Wu Wenbing²，Duan Longchen²，Fu Wen'.2 (1.Enginering Research Center of Rock-soil&Excavation and Protection Ministry of Education,China University of Geosciences, Wuhan,Hubi430074,China;2.FacultyfEnginering,ChinaUniterstyfGeosciencesWuhan,Hubei430074,China) Abstract:The interlayer shear belt is one of the main factors which affect the stability of surrounding rock of diversion tunnel. Study on the interlayer shear belt exposed in the different parts of the diversion tunnel isvery significant forthe stabilityof thediversion tunnelafterexcavating and the selection of supporting parameters.Based on software FLAC3D, this paper analyzes the stability of surrounding rock of diversion tunnel when interlayer shear belt is exposed in the different parts of the diversion tunnel by means of numerical technique.It is shown that when the interlayer shear belt is exposed between the springing line and bow of head,it may have very great influence on the stability of surounding rock of diversiontunnel. Finally，it isdemonstrated that the supportingmethod and supportparameters forthe interlayer shearblt are feasible and efective by using numerical method. Key words:tunnels;diversion tunnels; shear belt; stability of surrounding rock; simulation 0引言 有限元强度折减法在导流隧洞稳定性分析中的可 在深山高峡谷地区修建水利枢纽时，采用隧洞 周能性；进一步，刘波等对导流隧洞钢拱架与喷锚 导流是常用的导流方式。

由于导流隧洞通常断面支护体系的围岩位移和塑性区范围及支护应力进 尺寸大，常需要采用钢筋混凝土衬砌，修建隧洞的行了深人分析；周家文等"基...

施T技术 2012年4月上 98 CONSTRUCTION TECHNOLOGY 第41卷第362期 安装工程预算定额编制与管理工作优化探讨 蔡临申 (浙江省建设工程造价管理总站，渐江杭州310005) [摘要]随着工程计价依据改革进程的进一步推进，传统的安装工程预算定额编制思路逐渐显示出一定的局限性， 研究和探讨新形势下的安装工程预算定额编制与管理思路具有积极的现实意义.通过定额编制工作局限性分析， 提出了以“加强行业沟通，正视地区差异，注重实地调研，实施动态管理，培养复合人才”的优化建议. [关键词]项目管理；安装工程；预算；定额；优化 [中图分类号]U723.3 [文献标识码]A[文章编号]1002-8498(2012)07-0098-03 Optimization of Budget Quota Compilation and Management in Installation Engineering Cai Linshen Zhejiang Provincial General Station for Management of Cost of Construction Hangzhou Zhejiang 310005 China) Abstract:With the reformation of project pricing basis there are limitations in traditional budget quota pilation of installation engineering.It is significance to research and discuss the thoughts of budget quota pilation and management in installation engineering.According to the analysis of quota pilation limitation the author proposes optimization advices such as strengthening industry munication envisaging regional difference paying attention to spot investigation implementing dynamic management and training pound talents. Key words:project management;installation engineering;budget;quota;optimization 我国安装工程预算定额种类繁多，为了统一和定的状态.但是随着社会经济的快速发展和现代 加强管理，国家于1986年、2000年先后发布了《全 科学技术的进步，稳定期内，施工机械化程度不断 国统一安装工程预算定额》.在这个统一消耗量定 得到提高，新材料、新工艺日新月异，定额中标准模 额的基础上，各省（市）结合当地人工、材料、机械的 式的施工工艺被其他更先进、简捷的工艺所取代， 基期价格编制地区预算定额或地区单位估价表. 总体“更新换代”频率加快.因此，定额中单位产品 多年来，传统定额编制方式为合理确定和有效控 固定的人工、材料、机械消耗量指标与实际施工中 制安装工程造价发挥了较大作用.随着建设市场的 单位产品的消耗量指标差异就会逐渐加大.例如 快速发展和工程计价依据改革进程的进...

施工技术 2011年3月下 94 CONSTRUCTION TECHNOLOGY 第40卷第337期 安徽省中小学校舍抗震鉴定与加固若干问题探讨 柳炳康，郝星 (合肥工业大学土木与水利工程学院，安徽合肥230009) [摘要]根据汶川地震震害调结果和对抗震规范的理解，指出结构选型和结构布置不合理是校舍建筑倒塌的直 接原因.结合安徽省中小学校舍现状，提出单跨框架结构、嵌砌窗台墙形成短柱、类混凝土结构及霸体结构校舍 建筑鉴定及加固措施，并指出值得探讨的问题. [关键词]校舍；单跨框架；C类建筑；抗震鉴定；加固 [中图分类号]TU375;TU745.3 [文献标识码]A[文章编号】1002-8498(2011)060094-04 Discussion on Seismic Appraisal and Strengthening Problems of Primary and Secondary School Buildings in Anhui Liu Bingkang Hao Xing (School of Civil Engineering Hefei University of Technology Hefei Anhui 230009 China) Abstract:According to the seismic appraisal results and understanding of seismic standards it is concluded that unreasonable structural forms and arrangement are direct causes for the damage of school buildings.Based on actuality of primary and secondary school buildings in Anhui seismic appraisal and strengthening methods are put forward for the single-span frame buildings short column with inlay masoned window wall C class concrete buildings and masonry buildings.Moreover problems to be researched are suggested. Key words:school building;single-span frame;C class building:seismic appraisal;strengthening 《建筑工程抗震设防分类标准》GB50223一是房屋倒塌的直接原因. 2008!1要求教育建筑中幼儿园、小学、中学的教学 四川地区中小学教学楼多为砌体结构，平面采 用房以及学生宿舍和食堂，抗震设防类别应不低于用单面外廊形式，只有两道承重纵墙，外走廊多为悬 重点设防类.重点设防类应按高于本地区抗震设防 挑结构或由独立砖柱支撑.学校教室为满足使用， 烈度1度的要求加强其抗震措施.从抗震鉴定角抗震横墙设置间距较大；为满足采光要求需要大开 度，设防标准提高1度后，现有校舍在不同程度上不窗，可用于抗震的纵墙面积大为缩减，纵横向墙体抗 能满足《建筑抗震鉴定标准》GB50023一200921要 侧能力严重不足.教学楼多采用砌体承重，属于脆 求，严格意义上均需要进行抗震加固.若中小学校 性材料，楼面多采用空心楼板，...

施工技术 2012年5月上 38 CONSTRUCTION TECHNOLOGY 第41卷第364期 大跨重型钢结构工业厂房安装技术 邓迎芳，徐晓博 (广州市恒盛建设工程有限公司，广东广州510030) [摘要】某大跨重型钢结构工业厂房“两联六口“箱形柱结构复杂，体型大，质量达60.6621，焊接变形控制困难；屋 面梁安装高度大，悬空高强螺栓连接，安装难度大.通过对大跨度重型铜结构工业厂房的关键技术难点分析，从主 要钢构件制作和安装两个方面着手，采取有效的施工措施和方法，解决了箱形柱加工制作和异形钢柱安装的技术 难题，保证了工程质量. [关键词]钢结构；箱形柱；安装；焊接 [中图分类号]TU758.11 [文献标识码]A[文章编号]1002-8498(2012)09-0038-04 Construction Technology of Long-span Heavy Steel Structure Industrial Workshop Deng Yingfang Xu Xiaobo Guangzhou Hengsheng Construction Engineering Co.Ld.Guangahou Guangdong 510030 China) Abstract:Two-line-six-opening box-type column in long-span heavy steel structure industrial workshop has plex structure and heavy body of 60.662 tons.It is difficult for controlling welding deformation. At the same time the roof beams with large installation height are connected by high-strength bolts in high-sky which is difficult for installation.Through analysis of key technology difficulties of the industrial workshop effective construction measures and methods are taken from two aspects of steel member's prefabrication and installation to solve these difficulties and guarante engineering quality. Key words:steel structures;box-type column;installation;welding 1工程概况 六口”箱形结构柱，截面尺寸b×h=1200mmx 东方电气出海口基地三期联合厂房（二）工程，5525mm;上柱为实腹式组合工字形结构，截面尺寸 为5跨重型钢结构单层框架工业厂房，长346.65m b×k=650mm×1200mm 钢柱最大重91.5t 钢柱 宽163.05m 高35.73m 跨度依次为24 36 36 30， 形状有T形、L形等异形.柱脚连接为杯口承插式 30m 柱距18m 各跨中均设有桥式起重机，总共26 刚性固接.屋面梁为焊接组合工字形变截面，尺寸 台，最大起重量600t 总用钢量15416t 建筑面积 bxh=1200mm×2500mm.屋...

施工技术 2011年6月上 102 CONSTRUCTION TECHNOLOCY 第40卷第342期 大跨空间钢结构预应力施工技术研究与应用 —大跨空间钢结构预应力施工方法和张拉装备 郭正兴，罗斌 (东南大学土木工程学院，江苏南京210096) [摘要]拉索施工是个系统工程，从分析、制作、安装到张拉必须保持一致性，其中以张拉为核心，分析、制作、安装 和误差调整及相关索节点构造、索头形式、张拉装备等都必须服务于张拉.根据大量工程研究和实践，提出了拉索 制作、安装和张拉的基本技术要求及相关施工工艺和张拉装备的创新，包括：拉索制作长度和调节量的确定，索体、 锚具、调节装置和连接件的选配：安装和张拉对拉索制作的基本要求；平索和斜索的安装工艺；被动张拉技术的关 键控制；主动索和被动索的确定原则等. [关键词]大跨空间钢结构；预应力；拉索；制作；安装；张拉装备 [中图分类号]TU758.166 [文献标识码]A [文章编号]1002-8498(2011)11-0102-07 Research and Application of Long-span Space Steel Structure Prestress Construction Technology —Construction Method and Tensioning Equipment of Long-span Space Steel Structure Prestress Technology Guo Zhengxing Luo Bin (School of Ciuil Engineering Southeast Unisersity Nanjing Jiangsu 210096 China) Abstract:Cable construction is a system engineering which demands the analysis fabrication installation and tensioning to be consistent.In this system tensioning is core analysis fabrication installation error adjustment and corresponding structure of cable joint cable ending style tensioning equipment are auxiliary for tensioning.According to many practice research the basic technology requirements for cable fabrication installation and tensioning and corresponding construction technology and innovation of tensioning equipment are put forward including the assurance of fabrication length and adjustment quantity of cable the choosing and setting of cable anchor adjustment equipment the basic requirement of installation and tensioning on fabrication of...

2011年4月上 施工技术 第40卷第338期 CONSTRUCTION TECHNOLOGY 61 大跨径隧道双上侧壁导坑法施工技术 肖营，胡伦炜 (深圳市建设（集团）有限公司.广东深圳518001) [摘要]大跨径隧道双上侧壁导坑法是根据隧道软硬围岩相间的情况，将双侧壁导坑法与上下台阶法相结合的一 种技术.以开挖断面的起拱线为界，将隧道横断面分为上下两部分，上部采取双侧壁导坑法施工，下部分左右幅先 后开挖，适用于上部围岩较差、下部围岩较好的单向三车道及三车道以上隧道.详细介绍了润身超前支护、漏身开 挖、洞身初期支护与临时支护的施工方法与注意事项.工程应用结果表明，与传统的双侧壁导坑法相比，该方法安 全可靠、灵活多变、经济社会效益明显. [关键词]大跨径隧道；双上侧壁导坑；软硬围岩；起拱线 [中图分类号]U459.2 [文献标识码]A [文章编号]1002-8498(2011)07-0061-03 Construction Technology of Two Upper Side-wall Pilot Tunnel Method for Large-span Tunnels Xiao Ying Hu Lunwei Shenzhen Construction Group)Co.Led.Shenzhen Guangdong 518001 China) Abstract:Based on the condition of weak and hard surrounding rock interphase construction technology of two upper side-wall pilot tunnel is a new technology bined with both side heading method and benching tunneling construction method.The tunnel is divided into a upper part and a lower part with the springing line of excavation cross-section.The upper part is constructed with both side heading method and the lower part is excavated in succession from left to right.This technology is suitable for one-way tunnel with three lanes or more in which the upper surrounding rock is poor and the lower is good.The engineering result shows that pared with traditional two side heading method this construction technology is safe and flexible and makes a fine social and economic benefits. Key words:large-span tunnel;two upper side-wall pilot tunnel;weak and hard surrounding rock; springing line 1技术原理及适用范围 界线将隧...

施工技术 2011年8月上 30 CONSTRUCTION TECHNOLOGY 第40卷第346期 大跨度转换钢桁架预压施工与监测技术 罗逸清，曾强2，姚刚1，钟鸣2，邓祖祥2，程翼2 (1.重庆大学土木工程学院，重庆400045；2.重庆建工集团股份有限公司，重庆401122) [摘要]现代大型公共建筑为了实现使用功能的转换，常通过设计转换层来达到这一目的，钢桁架转换就是其一， 而在上部结构荷载作用下，如何保持转换钢桁架处于水平，以达到与其连接的楼板水平，柱垂直，是解决这一难题 的关键.通过深人研究和多方案的比较，提出了预压施工法.工程实例证明，预压施工法具有降低工程成本、施工 简便、加卸载过程易于控制等优点，具有较好的经济效益和社会效益. [关键词]钢结构；转换桁架；预压施工；变形监测 [中图分类号]TU745.2;TU758.11 [文献标识码]A [文章编号]1002-8498(2011)15-0030-04 Monitoring Technique and Preloading Construction of Large-span Steel Transfer Truss Luo Yiqing' Zeng Qiang2 Yao Gang' Zhong Ming? Deng Zuxiang2 Cheng Yi2 (1.School of Civil Engineering Chongging University Chongging 400045 China; 2.Chongqing Construction Engineering Group Co.Ltd.Chongqing 401122 China) Abstract:To achieve the translation of working function in modern large public building transfer layer is used usually and steel transfer truss is one.Under the upper structure's loading it is the key problem that how to keep the steel transfer truss balance to keep the connecting floor in level and the column in vertical.By paring with some construction schemes the preloading method is put forward.The practice engineering shows that the method has some advantages of lowering engineering cost simple construction and easy controlling loading and unloading process and has good economical and social benefit. Key words:steel structure;transfer truss;preloading construction;deformation monitoring 1工程概况 柱，上弦与组合楼板相连，下弦刚接于钢次梁，形成 重庆国泰艺术中心工程总建筑面积约稳定的空间受力体系. 30000m2 建筑功能分为大戏院和美...

2015年4月下施工技术 第44卷第8期CONSTRUCTIONTECHNOLOGY9 DOI:10. 7672/sgjs2015080063 大跨度穹顶式弧形桁架胎架卸载应力变化分析研究*
马泉1²，郭钧健'，鲍光卿'，陈国庆” （1.中建三局集团有限公司西北分公司，陕西西安710065；2.武汉大学土木建筑工程学院， 湖北武汉430072；3.新疆大学建筑工程学院，新疆乌鲁木齐830046) [摘要】大跨度空间钢结构的兴起，给结构的施工安装工程带来了巨大挑战，应用有限元软件进行力学计算和模拟 分析，并根据分析结果指导现场施工，不可避免地会与结构实际应力状态产生差异。

以新疆大剧院项目为背景，通 过MIDAS软件对外壳钢结构卸载过程的应力变化进行了分析，并选取分析结果中应力较大部位，对其在卸载过程 中的应变响应进行了实时监测，并对数据进行对比分析，验证了软件分析与实测值较吻合。

【关键词】钢结构；桁架；胎架；卸载；应力；监测；有限元法 [中图分类号】TU311.41【文献标识码】A[文章编号〕1002-8498（2015）08-0063-04 StressAnalysisofLarge-spanDome-styleCurved Trusses During theUnloadingProcess Ma Quan'²,Guo Junjian',Bao Guangqing',Chen Guoqing （1.Construction of Three Construction Projects in the Northwest Branch Co.，Lud.，Xi'an，Shaanxi， 710065，China;2.School of Civil Engineering，Wuhan University，Wuhan,Hubei 430072， China;3.ArchiteturalandCivilEngineeringCollegeofXinjiangUniesity，Urumqi,Xinjiang830046,China) Abstract:Withthe development oflarge-span steel structure，constructionandinstallationof structures bees much more challenging，and using the results of FEM calculation and simulation software for mechanical analysis as the guidance of construction is acceptable，but the results is different from the actual stress state of the structure. In this paper, MIDAS software was used to analyze the change of stress in the structure during the unloading process in Xinjiang Grand Theatre Project.According to the results of MIDAS,some key sites in the structure with high-level stress was chosen to be monitored. Finally， it is found that the analysis results are very close to the measured values by parison. Key words;steel structures; trusses; jig;unloading; stresses；monitoring;finite element method 利用通用有限元软件可以很好地模拟结构在 拆除临时支撑前后的应力场分布状况，但几乎不能 做到对拆除临时支撑过程的“路径效应”（加载历 史）的动态反映。

对结构卸载进行全程应变监测， 既可以全面了解应力的变化趋势，也可与数值分析 结果进行对比分析，找出对卸载过程最敏感的部 位，为类似工程的卸载施工提供参考。

1工程概况图1新疆大剧院整体效果 新疆大剧院的外侧是大跨度复杂钢结构，分为Fig.1Integral effect of Xinjiang Grand Theatre 南北两侧，如图1所示。

北侧壳体由26福弧形桁架 和14环形桁架形成空间受力体系。

外壳高度达78.3m，首段单重达35t，弧长达到35m，跨度最大 ...

2013年1月下施工技术 第42卷第2期CONSTRUCTION TECHNOLOGY31
大跨度大吨位型钢转换桁架高空滑移提升技术 孙兴春'，苏源'，卢庆'，杜凯² （1.南通海洲建设集团有限公司，江苏海安226600；2.新疆中秦化学股份有限公司，新疆乌鲁木齐830009） 【摘要】结合新疆某工程介绍了大跨度、大吨位型钢转换桁架在普通大型机械无法作业情况下，高空利用桁架对称 特性，自承载式分块滑移和提升完成桁架吊装。

即横向桁架作为滑移支架，纵向桁架分块在横向桁架上滑移，然后 利用就位的纵向桁架柱作为支撑点，在柱顶设置钢绞线千斤顶，利用固定在纵向桁架两侧柱顶的钢绞线千斤顶将 纵向桁架提升至设计高度，完成析架吊装。

[关键词］钢结构；转换桁架；滑移；提升；千斤顶 【中图分类号】TU758.1【文献标识码】A[文章编号]1002-8498(2013）02-0031-04 Sliding and Lifting of the Large-span and Large-tonnage Steel Transfer Truss at High Altitude Sun Xingchun', Su Yuan', Lu Qing', Du Kai² (1.Nantong Haizhou Construction Group Co.，Ld.，Haian,Jiangsu 226600,China; 2.Xinjiang Zhongtai Chemical Co.，Lid.，Urumgi，Xinjiang 830009,China) Abstract;The entry hall of Hefei Lakeshore International Convention and Exhibition Center is a space structure with large-span special-shaped steel pipe arch trusses.According to the characteristics of this project and the key points of construction technology， it was decided that the structural ponents were fabricated in the factory in bination with site assembly.On site，the structural ponents were lifted by support jig to the air and assembled in the air. The roof was installed using synchronously and symmetrically unloading method.The installtion procedure was determined through the working condition analysis. The key points for the hoisting of the truss beam and closure were studied. The unloading numerical modeling and construction monitoring were performed to the entire construction procedure.The numerical modeling results showed agreement with the monitoring values. Key words:steel structures; transfer truss; sliding; lifting; jack 1工程概况H1200×500×30×50焊接H型钢及截面为450mm 新疆中泰化学科技研发中心，建在乌鲁木齐市x450mm×30mm箱形腹杆组合而成的焊接结构， 开发区，为型钢混凝土结构，地下3层，地上16层。

跨度为18m和16m两种，腹高均为5.2m。

转换桁 建筑物中部1~5层为中空回廊，跨度18m×16m，架本体由工厂完成制作，由于转换桁架与钢柱的连 该部位6层以上为钢筋混凝土梁板。

在A～E轴，接采用焊接接头，其接头形式均为T形接头且板厚 ④~轴标高-12.15～25.12m为型钢混凝土柱，度大，如果采用现场手工焊接，受焊接方法及空间 其中③，轴型钢柱截面为700mm×700mm中字位置的制约，无法满足焊接线能量的输人而导致冷 柱；④，②轴型钢柱截面为600mm×600mm中字柱，裂纹的产生，因此必须由埋...

施工技术 2014年7月下 128 CONSTRUCTION TECHNOLOGY 第43卷第14期 D0I:10.7672/8gis2014140128 大跨度双向张弦梁结构预应力施工技术 许曙东，贺春林2，张岭，王菲 (1.北京银泰建预应力工程有限公司，北京100085； 2.中建八局（北京）有限公司，北京100044) [摘要]以中关村航空科技园项目双向张弦梁预应力施工为例，介绍了双向张弦梁预应力施工方法及控制要点. 本工程张弦梁双向跨度较大，受力形式复杂，索力控制难度大.基于此，对预应力施工过程进行了施工模拟仿真分 析，同时对施工过程的索力、结构变形等进行监测，并对实测数据与计算结果进行对比，结果表明实测数据和理论 计算结果吻合较好. [关键词]钢结构；张弦梁；预应力；数值模拟；监测 [中图分类号]TU394;TU758 [文献标识码]A [文章编号]1002-8498(2014)14-0128-03 Prestressed Construction of Bidirectional Beam String Structure Xu Shudong' He Chunlin㎡，Zhang Ling' Wang Fei' (1.Beijing Yintaijian Prestressed Engineering Co.Ltd.Beijing 100085 China;2.China Construction Eighth Engineering Division.Co.Ltd.Beijing Branch Beijing 100044 China) Abstract:Combined with the construction of prestressed bidirectional beam string structure in Aerospace Science and Technology Park of Zhongguancun the prestress construction procedure and control points of bidirectional beam string structure are introduced.The project has a large bidirectional span the force in the cross of bidirectional string is plicated and difficult to control so simulation of the construction procedure was done at the same time the monitoring of cable stress and deformation of the structure were done.The measured data and theoretical calculation results were in good agreement. Key words:steel structures;beam string structure;prestressing;simulation;monitoring 1工程概况 中关村航空科技园项目位于北京市海淀区北 三环，一期工程分为1号科研创新楼、2号航空科研 中心.其中2号楼采光顶由双向张弦梁、钢结构屋 盖、玻璃屋面组成.张弦梁长向跨度为47.55m 短 向跨度为44.1m 跨中点矢高4.2m...

2010年2月 施工技术 第39卷第2期 CONSTRUCTION TECHNOLOGY 27 大跨度体育馆索托结构施工技术 吴伟杰，陆关林 (新江精工钢结构有限公司，浙江绍兴312030) [摘要]北京芦城体校曲棍球训练馆钢结构工程果用空间大跨度索托结构体系.介绍建筑形式，结构设计体系和 主要节点形式.同时研究钢结构安装方案及预应力张拉方案，包括安装胎架的设置、张拉控制原则和分级张拉过 程的有限元仿真分析.结果表明，索托结构体系受力合理，可节约50%的锚头，取得良好的经济效益和社会效益. [关键词]大跨度结构；索托结构；预应力张拉 [中图分类号]TU745.2 [文献标识码]A[文章编号]1002-8498(2010)02-0027-03 Construction Technology of Cable-supported Structure in Large-span Stadium Wu Weijie Lu Guanlin (Zhejiang Jinggong Steel Building Co.Ltd.Shaoxing Zhejiang 312030 China) Abstract:The space large-span cable-supported structure is adopted in Beijing Lucheng Physical Education School Hockey Training Building.The architectural shape structure design and main joints are introduced.Then installation schemes of steel structure and tension schemes are studied including layout of assembly jig tension control principles and finite element analysis of tension process by steps. The results show that cable-supported structure has advantages of reasonable force which can save 50% of anchor head amount.Thus good economic and social benefits are gained. Key words:large-span structure;cable-supported structure;prestressed tension 目前国内外超大跨度结构一般采用斜拉结构和悬 索结构，有一定的局限性.而索托结构凭借改善斜索 效率和受力合理的特点，较斜拉结构节省50%以上的 臂架 索铺头，提高了索的可靠性，索对结构梁的支承不是采 用“拉”、“吊”的连接方式，而是采用“托”的方法，使连 格柱 风柱 接的可靠性增加.索托结构中的塔高较斜拉结构要低 我细连接桁架 得多，索托结构的塔高仅为跨长的1/12~1/8，降低塔 结构示意 索支座 高近3倍.增加结构侧向刚度近27倍.索托结构采 骨 主柠架 用多根托索，超静定次数多，即使某1~2根受力索失 效，结构也不会坍塌，可靠性高. 抗风柱 抗风柱 抗风柱 抗风柱 1工程概况 000 135001150001150001500015001500013590 北京芦城体校曲棍球训练馆工程位于...

施工技术 2016年7月上 6 CONSTRUCTION TECHNOLOGY 第45卷第13期 D01:10.7672/js2016130006 大跨度仿古钢结构与斗棋木结构组合屋檐体系 施工关键技术* 孙晓阳 (中国建筑第八工程局有限公司总承包公司，上海200135) [摘要]南京牛首山文化旅游区大佛顶塔屋檐构造采用大跨度钢结构与斗棋木结构组合体系，屋檐结构上为冲压 筒瓦屋面，其造型工艺复杂，异形构件多、悬挑长度大、斗棋木结构与屋檐钢结构组合安装难度大，冲压筒瓦安装连 接困难.详细介绍了施工过程中采取的技术措施及质量控制要点.施工过程简便、无污染、大大降低了消耗，提高 了安装效率和社会效益. [关键词]仿古建筑：塔；钢结构；木结构；屋檐；斗棋：施工技术 [中图分类号]TU745.2 [文献标识码]A [文章编号]1002-8498(2016)13-0006-05 Construction Technology of Composite Roof System of Large-span Antique Steel Structure and Brackets Wooden Structures Sun Xiaoyang General Contract Engineering Company China Construction Eighth Engineering Division Co.Lad.Shanghai 200135 China) Abstract:The Buddha Tower eaves uses large-span steel structure and brackets wooden structures and stamping tile roof.It has characteristics as plex modeling many special shaped ponents large cantilever length and it is difficult for large-span steel structure and brackets wooden structures installation and stamping tile connection.This paper mainly introduced the technique measures and quality control measures.The construction process was efficient and pollution-free and reduced the consumption. Key words:antique buildings;towers;steel structures;wooden structures;eaves; brackets;construction 1工程概况 的组合屋檐体系，屋檐结构上为筒瓦屋面，主要构 唐代建筑体系是我国古代建筑文化的集大成 件为筒瓦、勾头、板瓦、滴水、戗脊、围脊等，表面采 时期，在全世界范围内产生了巨大的影响；随着当 用喷涂着色，整体造型舒展自然，外檐起翘平缓，出 前建筑形式的多元化发展，越来越多的仿唐古建筑 檐深远.具有屋檐造型工艺复杂、异形构件多、悬 呈现在人们面前，以其坚固、精美、灵巧实现了完美 挑长度大、斗棋木结构与屋檐钢结构组合安装施工 的建筑造型艺术. 难度大、屋面冲压筒瓦、板瓦安装连接困难等难点； 南京牛首山文化旅游区佛顶...

施工技术 "2013年1月下 54 CONSTRUCTION TECHNOLOGY 第42卷第2期 大直径预应力筒仓滑模施工技术 倪时华，胡庆刚，王振辉，康西伟 (中煤建安公司第七十三工程处，河北邯郸056106) [摘要]随着我国煤炭工业的飞速发展，大直径筒仓设计不断更新，在高、大、难、险上给施工单位提出了新的挑战， 需要攻克众多施工难题.重介绍了大直径预应力筒仓滑模施工技术的改进和创新，该技术针对仓顶锥壳施工荷 载重、平台跨度大、支撑系统挠度不宜控制的特点，为安全、有效地利用滑模平台作为仓顶锥壳施工的支撑系统，对 原有滑模工艺进行了改进、优化、提高.通过相关力学计算，结合取得的经济效益和社会效益，按照此方案施工能 有效降低成本、缩短工期. [关键词]筒仓；滑模；锥壳；脚手架；预应力；钢绞线 [中图分类号]TU755.2 [文献标识码]A [文章编号]1002-8498(2013)02-0054-04 Construction of Large-diameter Prestressed Silos Using Sliding Formwork Ni Shihua Hu Qinggang Wang Zhenhui Kang Xiwei China Coal Jian'an Co.73th Engineering Department Handan Hebei 056106 China) Abstract:With the rapid development of the coal industry design of large-diameter silo keeps being updated which imposes many challenges for the construction panies.This paper introduced advancements and innovations to traditional sliding formwork construction technology to suit the requirement of large-diameter pre-stressed silos.Large diameter silos are featured with heavy loads on the conical roof of the silos large platform span and difficulty to control support system deflection.The new technology was developed with respect to these features and made revisions or optimizations to the original sliding construction technology so that the sliding platform can be safely and effectively used as the support system for the construction of the conical roof of the silo.The proposed design passed mechanical calculation.It is shown that this technology can gain good social and economic b...

2012年6月上 篦工技术 第41卷第366期 CONSTRUCTION TECHNOLOGY 69 大直径筒仓滑模与仓顶钢结构整体抬升施工技术 周占学，麻建锁，陈建兵2 (1.河北建筑工程学院土术系，河北张家口075024；2.河北省第四建筑工程公间，河北石家庄050051) [摘要】针对大点径筒仓工程施工问题，将仓顶钢结构与仓壁滑升模板系统进行整体施工设计，先在地面通过统一 的承载和变形协调控制措施，在仓壁滑升模板上设置抬升支座，布置抗水平推力拉杆系统，形成一个大直径简仓主 体施工稳定承载体系，滑升施工过程中严格控制滑升偏差精度，监测空间钢结构整体提升的支座反力和与提升装 置的变形，一次性完成大型简仓的仓壁施工和仓顶钢结构整体安装，并运用循环降落法有效地解决了仓顶钢结钩 整体屋差的就位间题. 【关键词]简仓：钢结构：横板：抬升：施工技术 【中图分类号]TU745.7[文献标识得]A[文章编号]1002-8498(2012)11-0069-03 Entirety Lifting Construction of Sliding Formwork and Steel Structure for Major Diameter Silo Zhou Zhanxue'.Ma Jiansuo' Chen Jianbing2 (1.Civil Engineering Department.Hebei Institate of Architeeture and Civil Engineering Zhangjiakou Hebei 075024.China: 2.Hebei No.4 Construction Engineering Campany Shijiazhuang.Hebei 050051.China) Abstract:Some construction technology of major diameter silo is presented in this paper.Firstly steel structure of silo top and sliding formwork of silo wall are assembled integrally on ground for the sake of integrate load and deformation patibility condition lifting supports and horizontal pull rods need be installed for the entirety structure.Then the construction of the silo wall and steel structure of silo top are acplished onetime along with strict control of sliding deviation and the monitoring of reaction at steel structure support and deformation of lifting appliance.Finally steel structure of silo top are take its place effectively with the method of cycling landing. Key words:silos;steel structures;formwork upli...

2012年4月上 施工技术 第41卷第362期 CONSTRUCTION TECHNOLOGY 55 大直径三岔双向挤扩灌注桩及其应用 王雷，韩丰2 (1.北京东方华脉工程设计有限公司，北京100036；2.中国农业大学后勤恭建处，北京100083) [摘要】对三岔双向挤扩灌注柱在衡水某工程中的应用进行了总结，并与普通灌注桩施工方案进行了经济效益比 较.分析了三岔双向挤扩灌注柱的优势，其应用提高了单桩承载力，减少了柱数，使桩位布置更合理.通过分析沉 降观测数值，证明三岔双向挤扩灌注桩应用的合理性.对《三岔双向挤扩灌注桩设计规程》JGJ171一2009中关于大 直径单桩竖向极限承载力标准值的计算提出了建议. [关键词]地下工程：桩基础；三岔双向挤扩灌注桩；承载力；沉降；经济效益 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2012)07-0055-03 Application of Large Diameter Cast-in-place Piles with Expanded Branches and Bells By 3-way Extruding Arms Wang Lei' Han Feng2 (1.China Humax Engineering Design Co.Lad.Beijing 100036 China:. 2.Logistics Construction Department China Agricultural University Beijing 100083 China) Abstract:The authors summarize application of cast-in-place piles with expanded branches and bells by 3-way extruding arms of some project in Hengshui make parison with mon piles and analyze the advantages of cast-in-place piles with expanded branches and bells by 3-way extruding arms.Application of cast-in-place piles with expanded branches and bells by 3-way extruding arms can improve bearing capacity of single pile reduce the number of piles and make the pile arrangement more reasonable. According to the analysis of the settlement observation value the rationality of the application of cast-in- place piles with expanded branches and bells by 3-way extruding arms can be proved.The authors give advice on calculation of ultimate bearing capacity of the large diameter single pile in Design specification fo...

施工技术 2010年8月 154 CONSTRUCTION TECHNOLOGY 第39卷第8期 大明宫国家遗址公园丹凤门工程设计与施工 彭明祥，丁亮进，王宏旭 (中国建筑股份有限公司，北京100037) [摘要]丹凤门是唐大明宫国家遗址公园的正南门，工程采用钢架结构对“盛唐第一门”一丹风门进行复原展示， 外部再现唐朝皇家建筑的恢弘气势，内部空间则修建成遗址博物馆，对原建筑遗址进行原位发掘展示.本工程施 工中，通过采用一系列技术措施和新型材料，使得本工程在有效保护遗址未受任何破坏的情况下，顺利地完成了大 跨度空间结构的施工，并完美地再现了大唐宫廷建筑的古典特色. [关键词]钢结构；仿古建筑；仿古构件；铝镁锰；合金板 [中田分类号]TU318.89;TU758 [文献标识码]A [文章编号]1002-8498(2010)08-0154-04 Design and Construction of Danfeng Men Engineering in Daming Palace Ruins Park Peng Mingxiang Ding Liangjin Wang Hongxu China'State Construction Engineering Co. Ltd.Beijing 100037 China) Abstract:Danfeng Men is the main south entrance of Daming Palace Ruins Park of Tang Dynasty and it has been celebrated as No.I Gate of Tang.The project is restored for exhibition and reasonable to use steel structure.From the view of surface it shows the majestic royal building of Tang Dynasty and inside it must be built into site museum.On the basis of protection of well-preserved ruins the successful pletion of the large span space structure represents the classical accent of palace building of Tang Dynasty with a series of measures and new materials. Key words:steel structure;pseudo classical architecture;pseudo classical ponent;aluminum- magnesium-manganese alloy plate 1工程概况 2技术难点 丹凤门遗址保护展示工程主要由城楼和城墙两部 1)设计难点古建筑仿真设计难度大，时间紧. 分组成，其主要功能为遗址的保护及展示（见图1）.丹凤门工程为仿古建筑，要求既能复原唐朝大明宫正 其中主城楼内部为3层，1 2层主要设计为展厅及参观南门的规模、体形，保留部分原建筑的功能，包括建筑 通廊，顶层为多功能大厅，其它区域房间均为功能辅助的细节处理；又要对挖掘的遗址进行保护性开发展示， 用房.主楼设有5个门道，东侧城门可开启，其它均为还要求本工程的设计与周边的城市总体规划相协调....

施工技术 2016年4月下 72 CONSTRUCTION TECHNOLOGY 第45卷第8期 D0I:10.7672/8js2016080072 大悬挑曲面空间网格结构液压同步提升施工技术 马张永，徐子涵2，吴小燕 (1.甘肃建投钢结构有限公司，甘肃兰州730060；2.兰州新区城市发展投资有限公司，甘肃兰州730060) [摘要]兰州中川机场二期航站楼钢结构屋盖为曲面空间网格结构，采用分块液压同步提升技术.结构提升分块、 临时提升点的设计、原结构复核、提升支架的设计、楼面加固措施和大悬挑曲面网格结构的提升等是研究的主要内 容.结合工程实际，利用MIDAS/Gen7.8O有限元分析软件，首次采用部分条随结构提升以平衡悬挑端变形，利 用实用新型专利——钢绞线限位装置保证提升过程的安全，提升过程中设置导链防止结构倾覆等一系列的措施， 成功实现了大悬挑曲面空间网格结构的液压同步提升. [关键词]钢结构；曲面；空间网格；液压同步提升；施工技术 [中图分类号]TU758 [文献标识码]A[文章编号]1002-8498(2016)08-0072-04 Hydraulic Synchronous Lifting Technology of the Large Cantilever Curved Space Lattice Structure Ma Zhangyong' Xu Zihan2 Wu Xiaoyan' (1.Gansu Building Inrestment Steel Structure Co.Ltd.Lanzhou Gansu 730060 China; 2.Lanzhou New District City Derelopment Inrestment Co.Ld.Lanzhou Gansu 730060 China) Abstract:The steel roof of Lanzhou Zhongchuan Airport second period terminal project is curved space lattice structure which applies partitioned hydraulic synchronous lifting technology.This paper mainly focuses on partition of lifting structure design of the temporary lifting points recheck of primary structure design of lifting support frame strengthening measures of the floor and lifting of the large cantilever curved space lattice structure.Based on practical engineering using FEM software MIDAS/ Gen7.80 a series of measures were taken as follows:purline was used to balance the deformation of cantilever terminal a utility model patent was adopted to ensure the safety of lifting procedure the reversible chain wa...

2014年4月上 施工技术 第43卷第7期 CONSTRUCTION TECHNOLOGY 59 D0I:10.7672/sgjs2014070059 大型沉井施工技术研究 李新明 (北京首矿工程技术有限公司，河北迁安064404) [摘要]通过方案比选，在某翻车机基坑工程中采用大型沉井施工方案.通过大型沉井工艺在该基坑工程中的实 践应用，从理论上论证了大型沉井在深基坑工程中施工的可行性，介绍了沉井结构的设计及校核，闸述了沉井工艺 的施工技术难点、关键工序的施工措施和控制方法. [关键词]基坑；沉井；设计；施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2014)07-0059-04 Research on the Large Caisson Construction Technology Li Xinming (Beijing Shougang Mining Engineering Technology Co.Ltd.Qian'an Hebei 064404 China) Abstract:Based on the scheme parison large caisson was adopted in dumper foundation excavation construction.According to the engineering practice this paper proved feasibility of the method used in deep foundation excavation.It also introduced the design and verification of caisson structure expounded difficulties construction measures and control method of this technology. Key words:foundation excavation;caisson;design;construction 0引言 下水位线在-5.700m处.由于土建工期紧迫，正 中小型沉井施工在我国应用广泛，成功案例较 值冬季施工，且场地狭窄，如施工方法选择不当， 多.但大型沉井施工由于平面尺寸及深度大，沉井 既满足不了总体工期要求，又将增加施工难度和 主体结构重，沉降结果很难精准达到设计工艺要 施工费用.因此，确定科学、合理、切实可行的施 求，一旦超出标准，前功尽弃，将造成不可挽回的经 工方案尤为重要. 济损失.因此，大型沉井施工组织困难较多，风险 1.1新建翻车机与周围原有建筑的关系 极大，可借鉴的成功案例少，尤其在北方地质条件 新建翻车机室西侧毗邻原有原料场围墙，与翻 较复杂的情况下应用很少.某烧结厂为解决烧结 车机距离仅4m 围墙外侧为地方公路和雨季排洪 矿原料不足的问题，扩建现有存储料场和配套新建 沟；南侧为原有红泥料场大棚，距离为35m;东侧距 1座单翻C型翻车机设施，由于场地狭窄，无法采用 离原料场临时铁路卸车线不足30m 并且需预留出 传统的大开挖和土钉墙方案，经多个施工方案综合 进出原料场地的卸、运机械设备通道；北侧场地开 对比分析，最后确定-5.500m以下结构采用沉井工 阔.翻车机相对位置如图1所示. 艺施工方法，既克服了施工场地狭小的难题，又缩 红泥料棚 短了工期.实施后，取得了较好的效果，为以后类 农民住宅 已有围墙 似大型沉井工程积累了可借鉴的施工经验. 存储料场 ...