[关键词]钢结构；施工监测；应力；应变；变形 [中图分类号】TU758：TU394[文献标识码]A[文章编号］1002-8498（2015)08-0067-04 MonitoringTechnologyofSteelStructureConstruction inDatongArt Gallery YinYongyi,Wang Jun,Si Kun （CMTCC Shanghai Shisanye Construction Co.，Lad.，Shanghai 201999，China) Abstract:By simulation analysis for the whole slide construction process in Datong Art Gallery, monitoring scheme was made for stress-strain and displacement of key parts in steel structure construction process and operation stages. The monitoring points seting，position and operation of the monitoring system are described in detail.Furthermore，a reasonable early warning system was proposed, which provided reference for similar steel structure monitoring. Key words:steel structures;monitoring;stresses;strain;deformation 1工程概况间主桁架组成，主桁架之间设置次桁架，形成空间 大同美术馆位于大同市新城区，建筑占地面积桁架结构体系。
[关键词】隧道工程；基坑；小间距；监测；施工技术 [中图分类号】TU753[文献标识码]A[文章编号】1002-8498(2016)01-0103-06
FoundationExcavationof TunnelsinCity Liang Shijun', Zhu Haidong', Zhao Bo² （1.Zhejang College ofConstruction，Hangzhou,Zhejang 311231,China; 2.Shanghai Huatie Engineering Consuling Co.，Ltd.，Shanghai200071,China) Abstract;Based on the field data of two small spacing adjacent deep foundation excavation, the mutual impact of excavation of small spacingadjacent deepfoundation excavation，such as surface subsidence， settlementfpillars，groundwaterlevels，theaxialforcesofstrutsandsoileephorizontaldisplacement were analyzed.The results show that the former foundation excavation has less influence by the subsequent excavation，while the subsequent foundation excavation has great influence by the former excavation.Bothofverticaldisplacements andhorizontaldisplacements of the soil intheadjacentcentral position of foundation excavation are less than those in the sides.The axial forces of struts of the former foundation excavation will be significantly reduced as the subsequent excavating.Themaximum values of deep horizontal displacement of the former foundation excavation near the finally excavation surface， and those of the subsequent foundation excavation sits beneath the finally excavation surface. Key words:tunnels; foundation excavation; small spacing; monitoring; construction 0引言据分析了基坑开挖对围护结构、周围环境的影响；
设往往涉及基坑工程。
施工技术 2013年2月上 16 CONSTRUCTION TECHNOLOGY 第42卷第3期 D0I:10.7672/sgjs2013030016 城市既有住宅节能改造成本与 能效优化价值评价研究* 井汇 (山东英才学院，山东济南250104) [摘要]以济南市某既有住宅为例，对城市既有住宅节能改造成本与能效优化价值进行评价.首先提出节能改造 设计方案，计算节能改造成本，然后借助DeST-h软件模拟改造前后的总能耗及分项能耗，标识改造后住宅的能效 等级，最后构建经济效益评价模型，通过计算节能改造的投资回收期进行经济性分析. [关键词]既有居住建筑；建筑能耗；改造；经济分析 [中图分类号]TU111 [文献标识码]A[文章编号]1002-8498(2013)03-0016-03 Research of Energy-saving Reconstruction Cost and Energy Efficiency Optimization Value of Existing City Residential Building Jing Hui (Shandong Yingcai University Ji'nan Shandong 250104 China) Abstract:Using an existing residential building in Ji’nan as an example this paper performed as assessment to the reconstruction cost and energy efficiency optimization value of existing city residential building.The reconstruction design was firstly proposed and renovation cost calculated.Then with the aid of DeST-h software the total power consumption and individual consumptions before and after the reconstruction were simulated.The energy efficiency grades of the building before and after the energy- saving reconstruction were identified respectively.Finally the economic benefit evaluation model was established which gave a clear indication of the economic benefit of the energy saving reconstruction by calculating the recovery period of the reconstruction investment. Key words:existing residential buildings;power consumption;reconstruction;economic analysis 0引言 总能耗及分项能耗，并进行经济性分析，从而对节 目前，不符合节能标准要求的既有建筑在中国能改造成本与能效优化价值进行评价. 建筑总存量中占绝大多数，在全社会实际发生的建 1...
施工技术 2011年6月上 90 CONSTRUCTION TECHNOLOGY 第40卷第342期 城市投资建设的新模式——城市投资社会化 刘锦章 (中国科学院研究生院，北京100080) [摘要]当前地方政府城市投资（简称城投）公司的过度负债等问题已经引起了国家的高度关注，其发展的可持续 性受到了广泛的质疑.社会化城投可以提供公共物品、准公共物品和私人物品，从业务上讲可以替代政府城投，从 经济学和管理学理论上讲符合城市公共事业市场化、社会化的规律，从政策上讲符合国家的投资体制改革决定. 城投社会化是我国城市基础设施投资建设市场化改革的最终目标. [关键词]城市投资；融资平台；城投公司；城市运营；公共管理 [中图分类号]TU932 [文献标识码]A [文章编号]1002-8498(2011)11-0090-03 The New Model of Urban Investment and Development: Socialization of Urban Investment Liu Jinzhang (Graduate University of Chinese Academy of Sciences Beijing 100080 China) Abstract:The problem of over-debt of local governmental urban investment corporations(GUIC)has been paid much attention by central government and the continuity of development of GUIC has been queried extensively.Socialized urban investment corporation (SUIC)can provide public goods quasi-public goods and private goods and can replace GUIC from the point of business.In addition SUIC conforms to the principles of socialization and market of urban public utilities in economics and management and conforms to state's reforming policy in investment system.Socialization of urban investment is the destination of market of urban infrastructure investment and development. Key words:urban investment;financing platform;urban investment corporation;urban operation; public management 由于政府城市投资（以下简称城投）公司的融临的一系列现实问题. 资平台的根本特征，其在发展中逐渐暴露出种种问1地方政府融资平台（城投）的发展和问题 题，最突出就是其高额的资产负债比率和经营效率 随着我国城市化进程不断加快，城市基础设施 的相对低下.国家有关部门已经高度关注政府融资和公共设施需求增长迅速，地方政府作为主要投资 平台的信用风险问题，政府融资平台遇到了前所未...
施工技术 2012年4月上 14 CONSTRUCTION TECHNOLOGY 第41卷第362期 埃及塞得东港地下连续墙结构码头现浇 纵横梁模板设计与施工 江和明，荣劲松，曾华彬 (中交四航局第一工程有限公司，广东广州510500) [摘要]埃及塞得东港集装箱码头二期工程，码头下部结构为地下连续墙结构形式，柱顶用纵、横梁相连，梁顶搁置 预制板现浇面层形成码头面.针对上部结构现浇纵、横梁整体浇筑的施工工艺以及工期要求，设计整体式的钢模 板，从模板的整体性、装拆的便利性、线条的平顺性、模板的坚固耐用性、经济性等方面进行设计.工程实践表明， 所设计的模板既满足施工需要，提高生产效率，又有较好的经济性. [关键词]港口工程；地下工程；地下连续墙；模板；设计；施工技术 [中图分类号]TU755.2[文献标识码]A[文章编号]1002-8498(2012)07-0014-03 Design and Construction Technology of Cast-in-place Crossbeam Formwork of Diaphragm Wall Wharf in Port Said East of Egypt Jiang Heming Rong Jinsong Zeng Huabin (The First Engineering Company of CCCC Fourth Harbor Engineering Co. Ltd. Guangzhou Guangdong510500 China) Abstract:The substructure of wharf is diaphragm wall in Port Said East container terminal-phase 2 marine works in Egypt.Top of pile is connected with crossbeam wharf surface is formed by precast slab poured. According to the pouring construction technology and period the authors make the formwork design from integrity convenience durability and economic.Engineering practice shows that the formwork can meet de construction requirement improve efficiency and reduce the cost. Key words:port engineering;underground;diaphragm wall;formworks;design;construction 1工程概况 埃及塞得东港集装箱码头二期位于埃及苏伊 横 士运河的北端，北临地中海.本工程主要是建设1 伸缩缝 制 伸缩缝 个中间为方桩、周边为T形桩加围帘墙式钢筋混凝 伸缩缝 东制 伸缩缝 土结构的码头，能停靠4艘新一代超级后巴拿马型 横梁 冠架 集装箱船（见图1）.工程内容主要包括长1200m的 a平面 码头结构，包括系船柱、护弦、楼梯、装卸用的设施， 前冠梁中间纵梁后冠梁 横梁 开挖码头延长段形成深槽，临近码头后方回填处理 以及码头南边的护岸等.其中，工程共有横梁172 根（每根长35m) 前、中、后纵梁3根（每根长 地下连续墙 地下连续墙 地下连续...
施工技术 2014年9月下 124 CONSTRUCTION TECHNOLOGY 第43卷第18期 D01:10.7672/gjs2014180124 型钢斜向内支撑在复杂环境深基坑支护中的应用 李继军 (山西四建集团有限公司，山西太原030012) [摘要]特殊土质下，基坑较深且施工场地狭小时，建筑工程施工难度较大.主要结合某商业酒店深基坑工程案 例，详细介绍了基坑支护技术要点、型钢斜支撑施工技术、结构与支护监测、质量控制措施等具体内容.经济效益 和社会效益显著. [关键词]地下工程：深基坑；支护结构；应用 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2014)18-0124-03 Application of Steel Diagonal Support in Deep Foundation Excavation at Complex Environment Li Jijun China Shanxi Sijian Group Co.Lad.Taiyuan Shanxi 030012 China) Abstract:At the special soil the building engineering construction is difficult when the foundation excavation is deep with narrow construction site.Combining with some deep foundation excavation engineering cases the support technology points steel diagonal support construction structure and support monitoring quality control measures are described in detail.The economic benefit and social benefit is notable. Key words:underground;deep foundation excavation;supports;application 1工程概况 2基坑支护概况 某酒店项目地下3层，地上23层，周边环境复 基坑安全等级为一级，根据现场实际情况，本 杂、施工现场狭窄，基坑总周长390m 基坑深约 工程基坑东、北两侧冠梁上部按1：0.3放坡，坡高 15m 基坑侧壁安全等级为一级，地下水位较高，场 3.29m 坡面采用土钉墙进行支护，冠梁下采用预应 地首见水为上层滞水，稳定水位埋深为自然地面下 力锚索钢筋混凝土灌注桩进行支护，灌注桩外侧 1.0~2.1m. 采用水泥土搅拌桩作为止水帷幕，在基础底部增加 场地内土质属高灵敏性粉土、粉质黏土.基坑 1排型钢斜支撑，如图1所示. 侧壁范围内第1层为粉土，c=18kPa =18°，层厚 自然地坪标高 施工围挡 1.3~4.3m 平均层厚2m 地基承载力85kPa:第2 土钉支护，面层6.5200 层为粉质黏土，c=15kPa =18°，平均层厚4m 地 第1排错索标高钢筋网片100厚细石混凝土 基承载力100kPa;第3层为粉土，c=15kPa =18°， 第2排错索标高 平均层厚6m左右，地基承载力130kPa:第4层为粉 斜撑撑点标高 双排单轴水 质黏土，c=15kPa =20°，平均层厚5m 地基承载 反力墩一 泥土搅拌桩 灌注桩底标高预留干混凝土灌注...
2016年10月上 施工技术 第45卷第19期 CONSTRUCTION TECHNOLOGY 99 D0I:10.7672/5j52016190099 地面敏感区域盾构施工控制技术研究 温法庆1，贾璐2，翁振华1，皮摩海2，柴庆水2 (1.中铁十八局集团有限公司，天津300222；2.南昌大学建筑工程学院，江西南昌330031) [摘要]南昌轨道交通1号线某区间盾构在上软（砂砾）下硬（泥岩）的富水地层中下穿位于八一广场上的国旗基 础，为保证旗杆的垂直度，需要严格控制旗杆基础的不均匀沉降量.在实际施工中，根据八一广场地质条件（泥岩 厚度)的不断变化及其特定敏感的地面环境，通过数值计算进行沉降预判，及时调整优化掘进参数，强化掘进参数 控制及加强施工管理，并通过地面预注浆及洞内及时二次注浆的辅助控制措施，盾构顺利穿越国旗基础，有效控制 了旗台的沉降，规避了因盾构施工对国旗造成的影响. [关键词]地铁；盾构；富水地层；沉降；施工技术 [中图分类号]U455.43 [文献标识码]A [文章编号]1002-8498(2016)19-0099-06 Study of Shield Construction Control Technology in Sensitive Ground Environment Wen Faqing' Jia Lu2 Weng Zhenhua' Pi Yinghai' Chai Qingshui' (1.China Railcay 18 Bureau Group Co.Ltd.Tianjin 300222 China;2.School of Civil Engineering and Architecture Nanchang Unirersity Nanchang Jiangxi 330031 China Abstract:During the shield construction project from Bayi Square Station to Dinggong Road Station of Nanchang Metro Line 1 for the purpose of guaranteeing the perpendicularity of the national flagpole the differential settlement should be strictly controlled which could be caused by the construction between the upper-soft lower-hard water-rich sandy gravel stratum under the foundation of the national flag.Based on the geological conditions and the sensitive ground environment and settlement anticipation by numerical calculation the heading parameters are optimized and the construction management is reinforced.A series of measures including pre-injecting technique and second grouting-reinforcement are conducted which...
2017年1月上 施工技术 第46卷第1期 CONSTRUCTION TECHNOLOGY 127 D0I;10.7672/8gj2017010127 编者按：本刊从本期起，分期发表中国建筑科学研究院刘金波研究员的“地基基础工程事故预防与处 理”的系列文章，刘金波研究员结合自己多年地基基础工程事故处理的经验，介绍如何预防和处理地基基础 工程事故，有助于读者了解地基基础工程事故的危害、事故的原因分析、处理方法及需注意的问题，目的是 避免或减少地基基础工程事故的发生，减少由此带来的失. 地基基础工程事故概述 刘金波，张雪婵，张松，林黎，万征 (中国建筑科学研究院，北京100013) [摘要]地基基础工程事故具有发生概率高、发生时间不确定、领域广、危害大、处理难度高的特点.引起地基基础 工程事故的原因很多，一些事故的发生和地基基础施工有关，如基坑开挖、降水、施工振动、施工顺序、施工质量等. 事故原因的正确分析对于事故的处理及防止类似事故发生都是非常必要的. 【关键词]地基基础；工程事故；原因；处理原则 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2017)01-0127-06 Summary of Foundation Engineering Accident Liu Jinbo Zhang Xuechan Zhang Song Lin Li Wan Zheng (China Academy of Building Research Bejing 100013.China) Abstract:The foundation engineering accidents have the characteristics of high occurrence probability time uncertainty wide field great harmfulness and difficult to deal with.There are many causes of foundation engineering accidents some accidents are related to foundation construction such as foundation excavation dewatering construction vibration construction sequence and construction quality.The correct analysis of the cause of the accident is very necessary for the treatment of accidents and for preventing similar accidents. Key words:foundations engineering accident;reasons;treatment principle 0引言 1地基事故发生概率高 地基基础工程包括地基和基础两部分，地基是 相比较于工程其他部位，如上部结构，地基事 整个建筑物的载体，属于岩土工程范畴；基础是上故发生概率高，特别是施工、验收阶段，以桩基为 部结构荷载的传递体，属于结构范畴.地基基础 例，可能存在桩身混凝土强度等级不满足要求、桩 工程事故是指由于勘察、设计、施工、监理、监测或 身存在缺陷如颈缩、断桩、承载力不满足设计要求、 检测等原因造成的地基基础工程质量问题或对周 桩长达不到设计要求、桩偏位、桩倾...
2015年1月上 施工技术 第44卷第1期 CONSTRUCTION TECHNOLOGY 43 D0I:10.7672/sgj82015010043 地下连续墙入岩成槽施工工艺改进* 党亚杰，肖昭然1，聂彬2 (1.河南工业大学土木建筑学院，河南郑州450000；2.中铁隧道集团二处有限公司，河北燕郊101601) [摘要]基于南昌轨道交通1号线秋水广场站探索出的中风化岩层地下连续墙入岩成槽施工工艺，通过在2号线 地铁大厦站地下连续墙施工中的探索和实践，对该施工工艺进行了改进，在不增加机械设备的情况下极大地改善 了入岩段连续墙偏孔的问题，且缩短了成槽时间，效果显著.主要对相同地质条件下两种施工工艺进行了数据上 的比对分析，以证明改进后施工工艺确有推广应用价值. [关键词]地下工程；地下连续墙；地铁；施工工艺；优化 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2015)01-0043-03 Improvement of Injection Construction Technique of Diaphragm Wall Dang Yajie' Xiao Zhaoran' Nie Bin2 (1.College of Civil Engineering He'nan University of Technology Zhengzhou He'nan 450000 China; 2.ERCHU Co.Ltd.of China Railway Tunnel Group Yanjiao Hebei 101601 China) Abstract:Based on the injection construction technique of diaphragm wall in the weathering rock and the construction technology is explored in the Qiushui square station the injection construction technique of diaphragm wall is improved by exploring and using in the subway station of Line 2.The problem of hole misregistration in the diaphragm wall is improved greatly without any increase in mechanical equipment and the time of grooving is reduced effectually.According to the parison and analysis of the two construction technologies under the same geological conditions it is proved that the improved construction technology has the popularization and application value. Key words:underground;diaphragm wall;subways;construction;optimization 随着我国城市建设的快速发展，地下空间的不 南昌市地铁大厦站位于红谷滩世贸路与赣江 断开发利用，以地下连续墙作为深基坑围护结构的...
土-结构有限元模型附加自由场模型 3.3土-结构相互作用系数法
图7带有附加自由场的土-结构有限元模型 1)该方法在计算土-结构相互作用系数时只考虑
Fig. 7Finite element model of soil-strueture 结构-土柔度比，而忽略了结构埋深、结构尺寸以及地
system with additional free fleld 震波类型等的影响。
施工技术 2013年6月下 28 CONSTRUCTION TECHNOLOGY 第42卷第12期 D0I:10.7672/sgjs2013120028 响水涧抽水蓄能电站下水库大型土方工程施工技术* 占小星，邹颖，刘海涛 (武警水电第二总队第五支队，江苏常州213135) [摘要]安徽响水涧抽水蓄能电站下水库土方开挖工程量约916万m3 其中Q4土656万m3 通过“外防、内排、分 区、修路、防护、跟进”施工技术策略，克服了Q4土开挖和弃渣机械设备沉陷、石渣料源紧缺道路修筑难、天气影响 施工组织难、有效施工天数有限、施工强度大等难题，按期完成了库盆开挖、围堤填筑施工任务. [关键词]水库；土方工程；开挖；施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2013)12-0028-04 Construction Technology for Large Earthworks of Lower Reservoir in Xiangshuijian Pumped Storage Power Station Zhan Xiaoxing Zou Ying Liu Haitao No.5 Detachment No.2 Hydropower Force of Armed Police Changzhou Jiangsu 213135 China) Abstract:Engineering quantities for ground excavation of lower reservoir in Xiangshuijian Pumped Storage Power Station in Anhui is about 9.16 million cubic meters in which the engineering quantities of Q ground is about 6.56 million cubic meters.By adopting a series of construction technologies of outer of prevention inner of drainage etc.some problems of subsidence of machine for excavation of Q.soil difficult building road because of shortage materials difficult construction organization because of weather and short construction period are solved to done the construction of ground excavation and fulfill of dyke on schedule. Key words:reservoirs earthworks;excavation;construction 1工程概况 3.7MPa 属高压缩性土；Q4地层强度均较低，承载 响水涧抽水蓄能电站位于安徽省芜湖市三山力仅为45~60kPa. 区峨桥镇境内，电站装机容量1000MW(4x2施工特点 250MW) 采用“一洞一机”布置形式，为日调节纯抽 1)Q4土主要为淤泥质黏土夹泥炭层，其承载力 水蓄能电站.电站属大(2)型二等工程，主要建筑 较低且分布范围广，厚度变化较大，开挖施工机械 物按2级建筑物设计.工程所在地处于亚热带湿润 ...
施工技术 2010年9月 114 CONSTRUCTION TECHNOLOGY 第39卷第9期 单层柱面网壳铸钢节点承载力试验研究 丁娟 (银川市规划建筑设计研究院有限公司，宁夏银川750001) [描要]对单展柱面网壳样形面精钢节点进行承载力试验研究，考察次梁是加对精钢节点强度和刚度的 影响.采用ANSYS程序中Solid45单元进行有限元分析，在破怀膜式、变形边程及节点承我力方面与试传果进行 对比分析.试验结果与数值传果喻合转好，说明了有限元分析的可行性.试验表明，未经加圈的节点在1.0倍设 计荷载作用下开屈服，2.0倍设计载作用下节点域大面积居服，不适宜健承荷我：加圈的节点在2.0倍设 计荷载作用下基本处子弹性状态，并且加固后节点刚度有大提高. [关键词]精钢节点：加劲肠：强度：刚度：试验研究 [中图分类号]TU758.1 [文献标识]A[文章编号]1002-8498(2010)09-0114-04 Experimental Study on Bearing Capacity of Cast Steel Joints in a Single-Hayer Cylindrical Reticulated Shell Ding Juan (Yinchuan Architecture Plan Design Institute Co.Lad.Yinchuan Ningxia 750001 China) Abstract:Experimental study has been carried out on cast steel joints with trapezoidal cross-section of a singleHlayer cylindrical reticulated shell.Different joints of secondary beams with or without stiffener have been studied as influence factors.The author employs nonlinear finite element method with eight nodes solid element in ANSYS program to examine the mechanical behavior of joints.Solid FEM is validated as an efficient method of predicting ultimate bearing capacity of the joints through paring failure modes deformation process and the ultimate bearing capacity with test results.The results show that the joints without stiffener begin to yield at the main beam web under 1.0 time of the design load.A large area of joint region is found yielding under 2.0 times of design load and the joint is not appropriate to continue to bear the load.The joint with stiffener is i...
施工技术 2011年1月 56 CONSTRUCTION TECHNOLOGY 第40卷第2期 单壁钢吊箱围堰在毛竹港深水承台基坑支护中的应用 了学正，沙友德，廖满平 (中建二局土木工程有限公司，北京101101) [摇要]在沙杭路客过专线前工程毛竹港连谈梁3 4导水中承台施工中，对工程的难点和特点，介单壁 钢吊箱围的结构设升、加工利作、整体吊装下沉、岳吊系统、支撑、到底神水、折除等施工工艺，南迷施工量证 用施和全生产证施.结果表明，采用单壁铜吊箱围，结梅舍理，工艺简单，防水止水数果好，施工容全，有 转好的经清、环境、技术政益. [关键词]基抗工程：单壁钢吊箱国：工技术 [中图分类号]U443.2 [献积码]A [文章编号]10028498(2011)02-0056-04 Application of Single-wall Steel Boxed Cofferdam on Deep Water Caps Foundation Excavation in Maozhu Harbour Ding Xuezheng Sha Youde Liao Manping Civil Engineering Company of China Second Engineering Bureau Beijing 101101 China) Abstract:During the No.3 and No.4 continuous beams construction of Maozhu Harbour in Shanghai- Hangzhou railway passenger dedicated line construction technologies are introduced according to difficulties and characteristics of engineering including structural design manufacture whole hoisting and subsidence suspended system supporting pumping and demolition.Besides measures of construction quality and safety production are outlined.The results show that the structure is reasonable and technology is easy and waterproof effect is good by adopting single-wall steel boxed cofferdam. Therefore construction is safe and good benefit of economies environment and technology are gained. Key words:foundation excavation:single-wall steel boxed cofferdam:construction technology 1工程概况 厚，拉森钢板裤长度太长，设置内支撑时间长，混凝 新建上海一杭州铁路运专线工程HHZQ2标土封底层较厚，封底质量难以按制，且插打钢板桩容 疆毛竹港连续梁段为20m3×24m20m斜交刚易产生渗水及漏水现象，同时增加了模板安装工序， 构连续梁结构，与线路法向夹角为25°，起止号为影响工期进度.于...
2010年8月 施工技术 第39卷第8期 CONSTRUCTION TECHNOLOGY 93 单双层混合型网壳安装技术研究 李淮'，林剑锋2 (1.广州市重点公共建设项目管理办公室，广东广州510665；2.上海宝冶集团有限公司，上海200941) [摘要]广州某体育馆钢屋盖分为主体结构和次结构.通过对高空散装法、分块分条安装法以及滑移法等安装方 法的对比，决定采用分块分条安装法施工.考虑结构刚度和强度需求，确定最终吊装顺序：环形约束桁架→径向桁 架单层网壳→加劲架→装饰桁架.为使结构焊接应力顺利释放，合龙口处采用门形板的连接工艺；主结构顶 部飘带采用旋转就位法施工；为节约措施费用，采用立柱和横梁相结合的支撑体系. [关键词]钢屋盖：网壳；吊装；安装技术 [中图分类号]TU337 [文献标识码]A[文章编号]1002-8498(2010)08-0093-03 Installation Technology Study on Single or Double Layer Mixer Reticulated Shell Li Huai' Lin Jianfeng2 (1.Guangzhou Administration Office of Major Public Construction Projects Guangzhou Guangdong 510665 China; 2.Shanghai Baoye Group Co.Ltd.Shanghai 200941 China) Abstract:Steel roof structure for some stadium in Guangzhou is divided into main and secondary structures.By parison of installation methods of part assembly at high altitude installation by block and striping and sliding installation by block and striping method is applied for construction. Considering the requirements of stiffness and strength of structure the final hosting sequence is assured which is ring constraint truss→radial truss-→single-layer reticulated shell-→stiffened truss-→decorative truss.In order to release the welding stress successfully the door-shape plate connection technique for closure is applied and rotation location construction is adopted for ribbon structure in the top of main structure besides support system with the bination of column and beam is used to save cost. Key words:steel roof;reticulated shel...
[关键词］装饰装修；单元式玻璃幕墙；性能；试验；施工技术 [中图分类号]TU767.6[文献标识码]A[文章编号]1002-8498（2015）09-0013-04 ConstructionTechnologyofPerformanceTestModelon Unitized Glass CurtainWall ZhaoYanmin （Department of Construction Engineering，NorthernBeijing VocationalEducation Institute,Beijing101400,China） AbstractInordertoensure the safetyand applicabilityofcurtainwallinmegaprojcttheperformance for the test model is important to realize the performance of curtain wall as a part of the test,and it is also the main basis for the actual project.In this paper,the curtain wallconstruction methods of start units, typical unitized glass wall and closer are introduced together with the design principle and test results based on the performance test model of one airport terminal.Finally，the general construction technologies of actual project are also proposed. Key words:decoration;unitized glass curtain wall;performance; testing;construction 单元式玻璃幕墙在超高层建筑及大型工程中原理及试验结果对其性能试验模型施工技术进行 得到广泛应用，为保证其适用性和安全性，一般均介绍分析，并对实际幕墙工程施工提出合理化建议。
2017年6月上 施工技术 第46卷第11期 CONSTRUCTION TECHNOLOGY 47 D0I:10.7672/5j52017110047 半刚性钢渣基层抗裂性能试验研究* 李伟，郎雷，王志浩，陈俊 (沈阳建筑大学土木工程学院，辽宁沈阳110168) [摘要]半刚性基层具有整体强度高、稳定性好且造价低等优点，被广泛应用于高等级公路的基层，但其随着温度 和湿度的变化容易产生开裂问题.用钢渣代替水泥稳定基层中的碎石，对不同级配的钢渣和砂砾混合料进行了室 内干缩和温缩试验研究，分析其干缩系数、温缩应变等参数随时间、失水率以及温度的变化规律.试验结果表明， 在合理选用配合比及水泥剂量的条件下，采用半刚性钢渣基层材料作为道路基层材料具有较好的抗裂性能，并提 高废钢渣的利用率. [关键词]公路工程：半刚性钢渣基层：干缩：温缩；钢渣混合料；抗裂性能 [中图分类号]U414 [文献标识码]A [文章编号]1002-8498(2017)11-0047-06 Experimental Research on Cracking Performance of Semi-rigid Steel Slag Base LI Wei LANG Lei WANG Zhihao CHEN Jun (School of Civil Engineering Shenyang Jianzhu University Shenyang Liaoning 110168 China) Abstract:With advantages of high strength good stability and economy semi-rigid base is widely used in base course of high grade highway but it is easy to produce the crack problems with the change of temperature and humidity.Using steel slag to replace the gravel in cement stabilized base and the laboratory tests of dry shrinkage and temperature shrinkage were carried out for different gradations of steel slag and gravel mixture in order to analyze the change rules of parameters such as dry shrinkage coefficient and temperature shrinkage strain with time water loss ratio and temperature.The test results show that:with reasonable mixing ratio and cement content semi-rigid steel slag base materials used as road materials has better cracking performance and will improve the utilization of waste steel slag. Key words:road construction;semi-rigid steel slag ...
2014年8月上 施工技术 第43卷第15期 CONSTRUCTION TECHNOLOGY 83 D0I:10.7672/5js2014150083 半刚性节点对插盘式脚手架自振周期的影响 吴福宝，殷晨波，戈文思 (南京工业大学机械与动力工程学院，江苏南京211816) [摘要]为研究插盘式脚手架的固有特性，运用ANSYS软件建立有限元模型，有效模拟了节点连接处的半刚性特 性.通过改变节点连接处刚度系数，分析不同连接刚度对脚手架自振周期的影响规律.结果表明，节点连接处刚 度变化对脚手架的低阶周期影响较大，对高阶自振周期的影响并不显著；并在此基础上拟合出低阶周期随刚度系 数变化的曲线图.指出对于插盘式脚手架的标准单跨单元，结构的步距和层高都已确定，节点连接处的刚度是影 响自振周期的主要因素. [关键词]脚手架；插盘式；半刚性；节点；自振周期 [中图分类号]TU731.2 [文献标识码]A [文章编号]1002-8498(2014)15-0083-03 Effects of Semi-rigid Joints on Natural Vibration Period of Disk Lock Steel Tubular Scaffold Wu Fubao Yin Chenbo Ge Wensi College of Mechanical and Power Engineering Nanjing University of Technology Nanjing Jiangsu 211816 China) Abstract:To investigate the inherent characteristics of the disk lock steel tubular scaffold the finite element model was built by ANSYS.This model effectively simulated the semi-rigid trait of joints.Then the effeets of various stiffness coefficients on natural vibration period of the scaffold were analyzed.The simulation results indicated that different stiffness coefficients had a great influence on the low-order period while the effect on the high-order period was little.On the basis of such analysis the fitted curves for the basic natural vibration period of the scaffold to the stiffness coefficient were plotted.It is pointed out that for standard single-span unit of disk lock steel tubular scaffold when the step distance and storey is assured the connection stiffness is the main influence factor on natural vibration per...
2016年7月下 施工技术 第45卷第14期 CONSTRUCTION TECHNOLOGY 105 D0I:10.7672/8js2016140105 半刚性满堂支撑架可靠性分析及优化设计* 曾亚平，孙新建1，朱云龙2 (1.青海大学水利电力学院，青海西宁810016；2.株洲市水利水电勘测设计院，湖南株洲412000) [摘要]建立半刚性满堂支撑架三维有限元模型，基于ANSYS-PDS采用蒙特卡罗法，考虑随机输人变量对满堂支 撑架灵敏度的影响，提出在现行规范经验公式中采用修正参数的方法，以改进规范计算精度.在此基础上，指定步 距、纵距、横距为设计变量，支撑架复合应力、纵横向水平杆的挠度为状态变量，钢管用量为目标函数进行优化分 析.通过对比得出考虑稳定性系数对纵距的影响比较大，其优化方案更具有安全性. [关键词]钢结构；支撑架；半刚性：有限元分析：优化：设计 [中图分类号]TU755.23 [文献标识码]A [文章编号]1002-8498(2016)14-0105-04 Study on Optimal Design and Reliable Analysis of Semi-rigid Full Hall Support Frame Zeng Yaping' Sun Xinjian' Zhu Yunlong (1.Water Conservancy and Electric Power Institute Qinghai University Xining Qinghai 810016 China; 2.Zhuzhou City Water Conserrancy and Hydropower Survey and Design Institute Zhuzhou Hu'nan 412000 China) Abstract:The 3D finite element model of semi-rigid full hall formwork support was established Monte Carlo method is adopted based on ANSYS-PDS and considering the influence of the random input variables on full hall formwork support frame sensitivity the parameter correction method adopted in current code empirical formula is put forward in order to improve the standard of accuracy.On this basis the specified step distance and the the vertical distance horizontal distance were appointed as design variables the deflection of the support frame posite stress horizontal and vertical horizontal bars were regarded as state variables and the amount of steel tube was the objective function on which optimization analysis was don...
[关键词】绿色建造；北欧四国；考察见闻；借鉴意义 [中图分类号】TU201.6【文献标识码】A [文章编号】1002-8498(2015)10-0001-05 InvestigationReportandReferenceSignificance of theGreen ConstructionDevelopmentinNordicCountries Xiao Xuwen'.2,Feng Dakuo'.3 （1.China State Construction Engineering Co.，Lid.，Beijing 100037,China;2.China Construction Industry Association Green Construction Committe，Beijing100037,China;3.State Key Laboratory of Hydroscience and Enginering，Tsinghua University，Bejing100084,China） a trend，which,however, is presently in its infancy in China.We should therefore learm advanced concepts,experience and technology from developed countries.The investigation in Nordic countries is firstly reported in detail.On this basis，several suggestions are then proposed in bination with actual situation in order to prehensively promote green construction in China. Key words:green construction;Nordic countries;investigation report;reference significance 2014年8月，作者赴芬兰、瑞典、挪威、丹麦等 北欧虽然所处的自然环境较为恶劣，却没有视 北欧四国进行了绿色建造、绿色建筑、生态城市的自然为生存对手的观念，建筑设计强调融人自然、 考察，所见所闻令人耳目一新，感触良多，颇受启模仿自然，尊重自然，在人性与自然的共同发展中 发。