[关键词]加固;砖混结构;抗震;构造柱;钢筋网水泥砂浆;设计 [中图分类号】TU746.3[文献标识码】A【文章编号】1002-8498(2015)16-0023-04 StrengtheningDesignofaBrickStructureofExisting Primary School Building JiaWenfeng,ZhangChunsheng,FanJixi,DingYahong (CollegeofCivil Engineering,He'nanPolytechnicUnitersity,Jiaozuo,He'nan454000,China) Abstract:Based on characteristics of destruction,according to relevant seismic design of building,a brick structure of existing primary school building has been carried on the ways of adding bundled structural column,the mortar surface layer of steel mesh,angle steel on the end of the floor to conduct strengthening design. Through calculation and analysis of the strengthening scheme,the ways can service life of the structure. Key words:strengthening;brick buildings;aseismic; structural column;mesh reinforcement cement mortar; design 20世纪七八十年代,砖混结构因其构造简单、构进行抗震鉴定与加固(。
2013年8月下 施工技术 第42卷第16期 CONSTRUCTION TECHNOLOGY 19 D0I:10.7672/sgjs2013160019 某图书馆加固设计与施工 张向东 (河南省建设集团有限公司,河南郑州450002) [摘要]某新建图书馆为5层框架结构,建筑面积13334.85m2 混凝土为现场搅拌,其强度等级达不到设计要求, 为保证使用安全,采取局部拆除返工加大截面法加固和调整使用功能等综合加固方案,对混凝土框架柱、梁、板和 楼梯等构件进行了加固,工程完成后进行了静载实荷试验,并使用探地雷达检测地基缺陷.重点介绍了结构检测、 实荷试验、加固设计和施工等. [关键词]加固;结构试验;设计;施工 [中图分类号]TU746.3 [文献标识码]A [文章编号]1002-8498(2013)16-0019-04 Reinforcement Design and Construction of a Library Zhang Xiangdong He'nan Province Construction Group Co.Lad.Zhengzhou He'nan 450002 China) Abstract:The gross area of a new library with five-layer frame structure is 13 334.85m2.Its concrete is mixed on the construction site and the strength grade can not meet the design requirement.In order to ensure safety parts of structure are dismantled and reworked.Besides that lots of prehensive reinforcement plans like section increasing method are used to reinforce ponent such as concrete frame column plate stair and so on.The static load test is done in site and ground-penetrating radar is also used to detect the flaws in the foundation after the project is pleted.Structure detection paction test reinforcement design and construction etc.are mainly analyzed in this article which would accumulate experience for the detection and reinforcement of the concrete frame structure and loading test. Key words:strengthening;testing;design;construction 1工程概况 梯等受力构件混凝土强度等级达不到设计要求 某图书馆为新建工程,建筑面积13334.85m2 (C30) 为提高结构承载力,保证使用安全,对混凝土 混凝土框架结构,独立基础,地上5层,标准层层高 框架柱、梁、板和楼梯板等构件进行了加...
2011年2月 施工技术 第40卷第4期 CONSTRUCTION TECHNOLOCY 67 某国际承包工程汇率风险分析及应对措施 江永建 (中冶集团武汉察研究院有限公司,湖北武汉430080) [摘要]越南某国际承包工程,由于遭受汇率风险,经济损失较大,得出在国际承包工程中,规避汇率风险的重要 性.从项目合问和所处背景,企业自身情况和企业所处外部环境等方面分析了汇率风险发生的原因,及在复杂环 境条件下,企业应该采取的汇率风险应对措施,从而有利地减少或避免汇率浮动给工程带来的损失. [关键词]国际承包工程;汇书风险;应对指施 [中图分类号]TU-920.5;TU-923.48 【文献标识码]A[文章编号]1002-8498(2011)04-0067-02 Analysis of Exchange Rate Risk and Countermeasures for an International Contract Project Jiang Yongjian Wuhan Surveying-geotechnical Research Institute of China Metallurgical Seience and Industry Group Co.Lid.Wuhan Hubei 430080 China) Abstract:Because of the risk of exchange rate the international contract project in Vietnam suffers a great finacial loss so it is important to avoid exchange rate risk in the international contract project.The causes for exchange rate risk are analyzed on the project contract and its background corporation conditions and its external environment.In the plicated circumstances the corporation should make corresponding measures to avoid the exchange rate risk and reduce the loss to a certain degree. Key words:international contract project;exchange rate risk;countermeasure 1工程概况 慢,2008年5月10日,才完成全部工作量的50%, 某工程位于越南人民共和国海防市境内,合同2008年12月9日全部工程完工,2009年1月12日 于2007年6月签订,合同约定主要条款为:①工程进行竣工验收,随后于2009年5月18日完成工程 内容为电厂主厂房施工工程;②承包方式为包工包结算审计,工程结算总价为人民币5280万元. 料,工期6个月,合同总造价为人民币5050万元;③ 工程总收款中,人民币所占部分为25080000 工程款支付比例为:人员、设备进场后10d内支付合元,越南货币所占部分为49286891330越南盾.按 同价10%的备料款,完成全部工作量的50%时,再合同结算汇率,越南货币部分可折算为人民币 支付合同价款的30%,全部工程完工时,支付至合250799...
施工技术 2013年7月下 18 CONSTRUCTION TECHNOLOGY 第42卷第14期 D0I:10.7672/sgjs2013140018 某商业综合体大跨度钢结构连廊吊装技术 寿建军,汪洋2,孙占利1,沈伟星1 (1.浙江八达建设集团有限公司,浙江杭州310002; 2.杭州市余杭区土木建筑学会,浙江杭州311100) [摘要]浙江省杭州市某商业综合体结构形式为钢筋混凝土框架结构,2幢综合体之间采用钢桁架连廊连接.该钢 结构连廊具有构件跨度大、桁架高度高、吊装高度高、单福桁架重等特点.通过对比分析分段自承式和高空悬挂式 散装吊装方案的施工流程和力学性能,同时采用有限元软件分析主要受力构件安装应力分布和关键节点处弯矩值 变化情况,最终选用高空悬挂式散装施工方案. [关键词]钢结构;连廊;桁架;吊装 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2013)14-0018-04 Large-span Steel Gallery Hoisting Technology for a Business Building Shou Jianjun' Wang Yang? Sun Zhanli' Shen Weixing' (1.Zhejiang Bada Construction Group Co.Ltd.Hangzhou Zhejiang 310002 China; 2.Yuhang District Hangzhou Institute of Civil Engineering and Architecture Hangzhou Zhejiang 311100 China) Abstract:A business building in Hangzhou Zhejiang has two reinforced concrete frame structures which is connected with steel truss gallery.This steel gallery has characteristics of large span high altitude of truss and hoists large weight of single truss and so on.By parison of the construction processing and mechanical performance of segmental self-bearing and suspended assembly at high altitude meanwhile finite element analysis was used on installation stresses of the main ponents and the moments of the key joints and suspended assembly at high altitude was selected. Key words:steel structures;gallery;trusses;hoists 1工程概况 车道路的中间.本商业综合体建筑整体如图1 本工程位于浙江省杭州市余杭区乔司镇,总建 所示. 筑面积181922m2 地上建筑面积136024m2 地下 建筑面积45898m2.本工程由2幢6层的商业综合 体组成,地下2层,分别位于01省道及地铁1号线 两侧.综合体结构形式为钢筋混凝土...
2016年7月上 施工技术 第45卷第13期 CONSTRUCTION TECHNOLOGY 59 D0I:10.7672/5js2016130059 某商业楼深基坑工程监测与数据分析 杜娅妮 (上海建峰职业技术学院,上海201900) [摘要]探讨监测技术在某商业楼深基坑施工安全性分析中的应用.介绍了基坑监测方案,结合监测结果分析桩 身水平位移及内力、错索轴力、四周建筑物沉降的数据,总结一般变形规律.结果显示,基坑施工的各项指标皆符 合相关规范要求. [关键词]深基坑;支护;位移:沉降;监测 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2016)13-0059-05 Deep Foundation Excavation Monitoring and Data Analysis on a Commercial Building Du Yani Shanghai Jianfeng Vocational and Technical College Shanghai 201900 China) Abstract:This paper discussed on monitoring technology in deep foundation excavation construction of a mercial building in safety analysis applications.Foundation excavation monitoring scheme was introduced based on monitoring and analysis of pile horizontal displacement and internal forces anchor axial force surround building settlement corresponding deformation law were summarized.The results show that the indicators of foundation excavation construction are in pliance with the relevant regulatory requirements. Key words:deep foundation excavation;supports;displacement;settlement;monitoring 1工程概况 2工程地质条件 某工程为改建的商业楼,位于城市核心区,将 基坑包含人工堆积层、新近沉积层、第四纪沉积 原有建筑拆除重建.在保留原有基坑基础上,扩大 层3类岩层,细分为12层.浅层土主要为细砂与粉 基坑面积,开挖面积6010m2 开挖深度27.8m.工 质黏土:10~20m范围分布中砂、卵石及黏质粉土等: 程环境条件复杂,周边管线密集,有排水、排污及供 20~30m范围内分布有细砂、中砂及粉质黏土等. 电、供热等系统.基坑周边实际状况如图1所示. 基坑场地存在3层地下水,如表1所示.基坑 场地上层积水分布不均,水位动态变化复杂,水量 北 商业大厦 西—东 变化大.此层水靠地面降水补给,经蒸发进行耗 南 散,补给动态为渗入-蒸发型.层间水年水位变化范 建筑红线 围1~2m 水位较稳定.此层水经大气降水渗人或 友谊大街 服装城 径流等补给,经径流排出,补给动态属渗入径流型. 基坑 承压水年水位变化范围2~3m 冬季水位相对较高, 过街 ...
【关键词】高层建筑;安装工程;支撑;胎架;有限元分析;施工技术 [中图分类号】TU758.11 【文献标识码】A [文章编号]1002-8498(2017)08-0083-05 Construction Technology of Large SpanHeavy Steel Truss of a CommercialCenterHighRoof SU Kai,ZHANG Yimin,ZHANG Erlong,LEI Zhiqiang (Shenzhen Branch of China Construction Second Engineering Bureau Co.,Iud.,Shenzhen,Guangdong518048,China) Abstract;The 45m span heavy steel truss was set up in the 329.4m roof of the Hanguo City Commercial Center.The stel truss structure is irregular,the quality is large,and the span is big,so the construction is difficult.In the process of construction, the construction technology of standard lattice type support frame, aerial bottom part beam, BIM simulation preassembly, stress and strain monitoring, and finite element analysis and so on were adopted, the installation of heavy steel truss was pleted with high efficiency and high quality. Key words:tall buildings;installation; supports;frames; finite element analysis; construction 1工程概况 329.400 -塔楼屋盖 1.1建筑概况 汉国城市商业中心大厦位于深圳市福田区,大 60F 厦主要为酒店、商业、写字楼、文体活动设施,建成 后将成为华强北新地标,项目总建筑面积为 45F 163745m²,地上共78层,地下5层,建筑总高度为 避难层和设备间 30F 329.4m,钢结构用量2万t。
[关键词]深基坑;监测;位移;沉降 [中图分类号】TU433 【文献标识码】A 【文章编号】1002-8498(2014)04-0101-04 Monitoring and Analysis of a Deep Foundation Excavation Sha Aimin',LuFanren',Shao Hongcai',Wang Xiaodong” (1.Department of Civil Engineering,Yangzhou Polyechnic College,Yangzhou,Jiangsu 225009,China; 2.Transportation Bureau of Yizheng,Yizheng,Jiangsu 211400,China ) Abstract;Technology of deep foundation excavation in soft soil area is the one of the key research contents in project fields. In order to insure the safety of the deep foundation excavation, deformation monitoring on deep foundation excavation is an important content of information construction. Taking a deep foundation excavation project in Ningbo as an example,according to the analysis of certain monitoring scheme and the obtained data, the change rules of horizontal displacement,deep horizontal displacement, sedimentation and horizontal displacement of each monitoring point on the surrounding ground surface are analyzed in the excavating process. The monitoring results confirm the deformation control design of the supporting structure is reasonable. Key words;deep foundation excavation; monitoring; displacement; settlement 在软土地区进行深基坑开挖,变形问题受到了细分析,研究了施工过程中基坑的水平变形、周围 越来越多的重视。
施工技术 2014年11月上 96 CONSTRUCTION TECHNOLOGY 第43卷第21期 D01:10.7672/sgjs2014210096 某叶式旋转楼梯施工技术 张明禄1,董毅,张峰2,王力尚3 (1.青建集团股份公司,山东青岛266071;2.青岛品城设计装饰工程有限公司,山东青岛266000; 3.中建中东有限责任公司) [摘要]由于涉及造型及功能的需要,旋转楼梯的设计样式多种多样,给施工带来许多不便,如果支模方法不当,有 时构件的误差不符合规范的规定,而且也不符合设计造型等的要求.结合阿尔及利亚某旋转楼梯工程,采用现浇 式整体浇筑旋转楼梯及其固定轴,改变以往旋转楼梯先浇筑固定中轴柱,后将预制楼梯踏步固定在中轴柱的方法, 既能保证旋转楼梯的整体性,又能使旋转楼梯的外观达到预制的效果,经济、美观,符合业主的要求. [关键词]混凝土;旋转楼梯;叶式;周定轴;施工技术 [中图分类号]TU755.2 [文献标识码]A[文章编号]1002-8498(2014)21-0096-03 Construction Technology of Some Leaf Spiral Staircase Zhang Minglu' Dong Yi' Zhang Feng2 Wang Lishang (1.Qingjian Group Co.Lid.Qingdao Shandong 266071 China;2.Qingdao Jingcheng Design and Decoration Co. Ld.Qingdao Shandong 266000 China;3.China State Construction Engineering Corporation Middle East L.L.C.) Abstract:The spiral staircase has many modes because of the need of shape and function so it brings difficulties to construction.If the formwork is supported with improper method the spiral staircase would not meet the requirements of codes and design.Based on some spiral staircase project in Algeria the method pouring the integral spiral stairease and axis is adopted instead of traditional method that pouring the axis column firstly and then fixing the prefabricated stairease.The new method ensures the integrity of spiral staircase and the prefabrication appearance effect with good economic benefits. Key words:concrete;spiral staircase;leaf;axis;construction 1工程概况 行政楼B5段处,共计2个,旋转楼梯从第1层到第 奥兰工学院3000座工程位于阿尔及利亚奥兰2层旋转270°,从第2层到第3层旋转36...
施工技术 2015年2月上 96 CONSTRUCTION TECHNOLOGY 第44卷第3期 D0I:10.7672/5js2015030096 某发射工位导流槽绳锯切割拆除技术 刘世斌,杜峰峰,张笈玮 (中国人民解放军63926部队,北京100192) [摘要]某发射工位导流槽为地下大体积钢筋混凝土异形结构,拆除时对邻近建筑物的保护要求严格、同步交叉作 业多,拆除难度大,常规的爆破、机械拆除方法难以满足要求.通过试验、分析,对绳锯切割机械进行了改进,研发 了双发动机同步双轴双轮驱动技术、新型平稳高强螺纹收线装置等多项关键技术和装置,成功解决了该技术难题. [关键词]混凝土;导流槽;大体积混凝土;拆除:绳锯 [中图分类号]TU745.4 [文献标识码]A [文章编号]1002-8498(2015)03-0096-04 Wire-saw Dismantlement Technology on a Gasflow-guided Channel of Launching Station Liu Shibin Du Fengfeng Zhang Jiwei The 63926 Troop of Chinese People's Liberation Army Beijing 100192 China) Abstract:Gasflow-guided channel of launching station is an underground special-shaped structure of mass concrete and it is very hard to dismantle because of strict requirement on protection for the nearby buildings and a lot of cross-operation at the same time.Dismantled by regular demolition or machinery is unrealistic.Through experiment and analysis the wire-saw machine is improved.This difficult problem is solved by the research and development of multi key technology and device such as synchronous biaxial wheel drive technology new smoothly high-strength thread taking-up device and so on. Key words:concrete;gasflow-guided channel;mass concrete;demolition;wire-saw 1工程概况 在某航天发射场改造工程中,需要在不完全拆 1800 除发射塔的情况下,对发射塔邻近的导流槽构筑物 12140 台阶 30. 进行拆除.导流槽长45.62m 宽10m 深10.87m 1035010870 为大体积钢筋混凝土结构.导流槽主体结构配筋 260016000 18830 790 25 密度大、强度高,钢筋型号大部分为d25和22,混 a导流槽剂面 凝土强度等级为C35:槽内壁、发射台面均为耐火混 凝土,厚度分别为150 300mm:槽底板、槽壁和顶板 厚度均在2m左右.导流槽边缘距离发射塔(塔体 质量约1...
施工技术 2012年11月上 90 CONSTRUCTION TECHNOLOGY 第41卷第376期 某双层独立砖柱砌体结构改造与加固 杨建江,冯天栋 (天津大学建筑工程学院,天津300072) [摘要]天津市某双层独立砖柱砌体房屋因使用功能改变需进行改造,同时对房屋进行抗震加固,使其具有天津地 区7度(0.15g)抗震设防能力.以该建筑为例,介绍砌体房屋加固中的一些结构设计方法,包括对墙体、预制混凝 土梁和独立砖柱的加固措施,以使其具有某些框架的性能.并详细介绍砌体结构加固改造中的施工技术要点和注 意事项. [关键词]加固;改造;抗震设计;砌体结构 [中图分类号]TU746.3 [文献标识码]A [文章编号]1002-8498(2012)21-0090-04 Strengthening and Renovation of a Double-storey Independent Brick-column Masonry Building Yang Jianjiang Feng Tiandong Department of Civil Engineering Tianjin University Tianjin 300072 China) Abstract:A double-storey independent brick-column masonry building in Tianjin needs renovation due to changes of application.At the same time it needs seismic strengthening against 7degree(0.15g) earthquake.Some strengthening methods are introduced with the example including strengthening of brick walls precast concrete beam and independent brick column.These strengthening measures make the structure more like a frame.Precautions of construction techniques are also emphasized in the paper. Key words:strengthening;reconstruction;seismic design;masonry construction 0前言 建筑外缘加建一楼梯间,顶层有出屋面楼梯间,建 20世纪六七十年代,我国经济技术发展水平筑外侧建有悬挑走廊,设计时未设置圈梁与构造 低,砌体结构因其就地取材容易、人工砌筑灵活、对柱.檐口标高8.8m 首层层高为4.8m 2层层高为 建筑机械设备水平要求不高等优点,成为当时建筑4.0m 顶层出屋面楼梯间高4.0m.楼(屋)面梁为 物的主流结构形式,尤其以砖混结构为主.到现在 预制混凝土梁,楼(屋)面板为预制混凝土四孔板; 这些建筑基本上已经达到或超过结构设计使用年 外墙厚370mm 内部有几道后加的轻质铝合金隔墙 限,同时随着使用功能的改变,业主也对这些建筑 及240mm厚砌体隔墙,砌体隔墙高2200mm.改造 的使用空间提出了新的要求.在这种情况下,对砌 前建筑平面如图1所示. 体结构加固改造的需求越来越大.本文以某独立 砖柱/ D 砖柱砌体房屋为例,介绍砌体房屋加固改造中的一 L1 1...
2013年4月下 施工技术 第42卷第8期 CONSTRUCTION TECHNOLOGY 107 D0I:10.7672/sgjs2013080107 某厂房高位钢梁高大模板支架方案选择与应用 杨谷波1,卢利利2 (1.上海沪闵建筑设计院有限公司,上海201199;2.江苏兴港建设集团有限公司,江苏苏州215004) [摘要]某厂房结构在标高32.80m和36.80m浇筑混凝土结构,用满堂高大模板支架方案施工费工费时,难度大. 经复核优选,充分利用厂房设计混凝土框架结构主梁和楼层双槽钢梁,在标高24.00m的高位上,搭设高8.80m的 高空钢梁模板支架,顺利完成混凝土工程施工,实现了安全施工、节省钢材、节省人工和提前完工的目标.重点介 绍了高位钢梁高大模板支架整体稳定措施,同时对钢梁强度进行验算,均满足使用要求. [关键词]厂房;脚手架;支承;方案选择;应用 [中图分类号]TU731.2 [文献标识码]A [文章编号]1002-8498(2013)08-0107-03 Scheme Selection and Application of the Steel Beam Support for the Formwork of a Factory at High Altitude Yang Gubo' Lu Lili? (1.Shanghai Humin Architecture Design Co. Ltd.Shanghai 201199 China; 2.Jiangsu Xinggang Construction Group Co. Lid.Suzhou Jiangsu 215004 China) Abstract:In a factory structure it was required to cast concrete at the altitude of 32.8m and 36.8m. Using full high formwork supports means both time and labor waste as well as construction difficulty.By selection of the construction schemes it was decided to make full use of the framed beams and double channel floor steel beams of the factory structure and set up a steel beam formwork support of 8.8m height at the altitude of 24.00m.The concrete construction was successfully finished with the objectives of safe construction material saving labor saving and reduced construction time achieved.The method to ensure the overall stability of the steel beam formwork support at high altitude is introduced in detail. Steel beam strength was also checked and found to meet the design re...
[关键词】模板;曲面模板;深化设计;加工;测量控制 [中图分类号】TU755.2 [文献标识码]A [文章编号]1002-8498(2013)14-0073-04 TheDesign and Construction of Formwork in Single-dualCurvedSurfaceofaMuseum Wei Chengzu',Lu Jianfei² (1.Zhejiang Guodu Real Estate Group Co.,Lad.,Hangzhou, Zhejiang 320000,China; 2.Zhongtian Construction Group Co.,Ltd.,Hangzhou,Zhejiang 320000, China) Abstract:The single-dual curved surface construction formwork is used to solve the construction quality control problems caused by intersection of single-dual surface and difference of elevation in unconventional parts.The design development,detailed fabrication and survey plan were used in this construction method. Therefore,the good effect of design and economic benefits were approached.The control for the section sizes,displacement deviation,verticality of single-dual curved surface concrete were more difficult than ordinary concrete. The measurement control technology and key formwork installation points were introduced in detail. Key words;formwork; curved surface formwork; detailed design; processing; measurement control 近年来,单、双曲面混凝土结构在文化艺术中土的效果。
[关键词]钢结构;网壳;梅花柱;制作;安装 [中图分类号】TU758.1[文献标识码]A[文章编号]1002-8498(2011)21-0044-03 FabricationandInstallationofaSingleLayerSpherical ReticulatedShellStructure Chen Jun,Wang Junmu,Zheng Wenming (Chaofeng Steel Structure Co.,Lad.,Hangzhou,Zhejiang311215,China) Abstract:The installation and positioning ofmembers for single layer spherical reticulated shell structure is dificult, the requirements for fabrication precision are very high,and the mechanical behaviors of latticed structure are introduced.Fabrication process of plum-shaped column and installation scheme of reticulated shell are mainly discussed.Field measurements show that the relevant norms requirements for fabrication of plum-shaped column and installation of reticulated shell are satisfied.And the method in Key words;steel structures; shells;plum-shaped columns;fabrication; installation
1工程概况 本工程位于苏州工业园区独墅湖高教区南侧 湖边,建筑外形为水滴形,如图1所示。
2014年4月下 施工技术 第43卷第8期 CONSTRUCTION TECHNOLOGY 87 D0I:10.7672/5js2014080087 某医学院透光型软膜天花施工技术 张文丽,陆建飞2,何玺创1 (1.陕西省建筑职工大学,陕西西安710068;2.中天建设集团有限公司,浙江杭州320026) [摘要]软膜天花具有抗菌、防水、防火、安全环保、声光效果好的优点,是一种新型装饰材料.相对传统有机玻璃 吊顶、板材吊顶等,其施工工艺操作简单、创造性强,可以体现良好的室内声光效果和艺术感染气息.全面介绍了 软膜材料的特点、施工技术及操作要点. [关键词]安装;软膜天花;装饰;材料;施工技术 [中图分类号]TU767 [文献标识码]A [文章编号]1002-8498(2014)08-0087-03 Construction for Transparent Membrane Ceiling in a Medical College Zhang Wenli' Lu Jianfei He Xichuang' (1.Architecture Worker's University of Shaanxi Prorince Xi'an Shaanxi 710068 China; 2.Zhongtian Construction Group Co.Ld.Hangzhou Zhejiang 320026 China Abstract:The transparent membrane ceiling has characteristics of antibacterial waterproofing fireproofing safety and environment protection and good sound and light effect which is a kind of new decoration material.Comparing with traditional PMMA ceiling and board ceiling the new ceiling with easy and creative construction can show the good indoor sound and light effect and rich artistic.Authors introduce in detail the characteristics of the transparent membrane construction technologies and the key operating points. Key words:installation;membrane ceiling;decoration;material;construction 1工程概况 3工艺要求及施工流程 某医学院第二附属医院改扩建工程主楼建筑3.1工程装饰要求 高74.45m 周边裙房6层,建筑面积181562.84m2. 本工程护士站需要达到清洁、环保、噪声低、艺 本工程采用了新型装饰材料一软膜天花,主要用 术性强等效果,利用透光型软膜天花不但可以与荧 于主楼大厅及护士站顶部.大厅顶部为方形平面, 光灯、LED灯营造梦幻、无影的室内灯光效果,而且 采用白天蓝天白云、夜间满天星的喷绘型软膜天 可以利用材料本身的防火、防水、抗菌、吸声等特 花;护士站顶部为异形平面,采用透光型软膜天花. 性,据弃板材吊顶或有机玻璃的笨重、多缝等缺点, 2软膜材料特点...
[关键词】地下工程;深基坑;支护;SMW工法;斜撑 [中图分类号]TU753.1[文献标识码】A[文章编号]1002-8498(2012)24-0030-03 DifficultiesandSolutionsintheDeepFoundation Excavation Retaining for a Heating Furnace Chimney Tang Chuan (Shanghai Baoye Group Co.,Ltd.,Shanghai 200941, China) Abstract:A chimney foundation consists of two heating furnace chimney foundations. The depth of soil excavation reaches about 9.9 meters. The foundation is adjacent to a road with dynamic load of 600kN. And the foundation construction was during the rainy season of Shanghai,which causes extra danger to the excavation. This paper analyzes the key technology and construction difficulties of the engineering. The SMW method was used in bination with bracings, which successfully ensures the excavation safety and avoided any influence to the road traffic. This paper also analyzes the construction difficulties and pares different solutions. Key words:underground;deep foundation excavation; retaining;SMW method;inclined support 特钢炉卷热轧工程加热炉初步设计时,加热炉加热炉烟肉基础的施工。
2011年3月下 施工技术 第40卷第337期 CONSTRUCTION TECHNOLOGY 47 某办公楼加固改造工程设计与施工 吴剑平 (天地金草田(北京)科技有限公司,北京100013) 【摘要]针对砖混结构的特点,通过建模对某办公楼进行了计算分析.提出了采用钢屋架代替混凝土梁板的做法 以减轻自重,同时增加构造柱及圈梁提高结构的抗震性能.介绍了植筋、灌浆料及钢结构的施工工艺,并重点对拆 除施工中的技术方法,预防措施进行了分析.技术方案及施工质量符合规范要求. 【关键词]加固改造:钢屋架:构造柱:圈梁;抗震 [中图分类号]TU746.3 【文献标识码]A【文章编号]1002-8498(2011)06-0047-02 Strengthening Design and Construction Technology of an Office Building Wu Jianping (Tiandi JCT Beijing)Science Technology Co.Lad.Beijing 100013 China) Abstract:Based on characteristics of masonry structure an office building was calculated and analyzed by establishing structure model.The method that replacing conerete beams and slabs with steel roof truss to reduce the structural weight and setting the structural columns and ring beam to improve the seismic performance were proposed.At the same time the construction technology of planting steel bars grouting materials and steel structure were introduced.The demolition technology and preventive measures were analyzed especially.The technology program and construction quality can meet the requirements of codes. Key words:reinforcement;steel roof truss;structural column;ring beam:seismic 1工程概况 某办公楼于20世纪50年代建成,为主体4层、 局部5层的砖混结构,层高3.8m 女儿墙高1.25m 主体结构总高16.35m(见图1),采用前苏联抗震设 计规范进行了7度抗震设防设计.由于受当时经 济、技术、施工条件的限制,建筑本身的使用功能不 正立面 b屋盖布置 能满足办公要求.为了保留其原有历史风貌,决定 图1办公楼示意 Fig.1 The office building 在不破坏建筑外观的情况下进行改造,使4层东西 震加固技术规程》JGJ116一2009和《钢结构设计规 两侧顶层办公室层高增加1m.4层东西两侧办公 范》GB50017一2003为主要依据,以保证原挑檐的 室尺寸为10.8m×11.8m 为井字屋盖,上部为 稳定性为原则进行改造设计...
施工技术 2016年11月上 74 CONSTRUCTION TECHNOLOGY 第45卷第21期 D0:10.7672/sgj52016210074 某办公教学综合楼屋面预应力钢结构设计及施工技术 贺锋1,刘峰1,王涛2,卓军 (1.工程兵第四设计研究院,北京100850;2.北京市建筑工程研究院有限责任公司,北京100039) [摘要]以某军事学院办公教学综合楼屋面预应力钢结构工程为背景,结合以往的张弦结构设计理论及实践经验, 系统闸述了在屋面结构体系选择和确定过程中应重点考虑的因素,详细描述了结构整体设计分析及局部节点设计 时计算参数选取、极端工况验算、后处理阶段设计指标控制等关键环节.最后根据预应力钢结构体系的特殊性,归 纳总结了施工过程中的一些关键技术,工程的顺利实施验证了本文观点的合理性与可行性. [关键词]钢结构;预应力;屋面;节点;设计;施工技术 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2016)21-0074-04 Design and Construction Technology of Prestressed Steel Structures for an Official Working and Teaching Complex Building Roof He Feng' Liu Feng' Wang Tao2 Zhuo Jun' (1.The 4th Engineering Design and Research Academy Beijing 100850 China; 2.Beijing Building Construction Research Institute Co.Lad.Beijing 100039 China) Abstract:Taking the project of prestressed steel structures for official working and teaching plex building roof of a military academy as a background bined with the previous design theory and practical experience it expounded the factors that should be considered during the seleetion and determination of the structure systematically and described the principle of designing and analyzing for overall and local joints of the structure calculation of extreme conditions control of design index at post- processing stage etc.Finally according to the particularity of the prestressed steel structure it summed up some key technologies in the construction process.Smooth implementation of the project verified the feasibility of the ide...
[关键词]钢结构;桁架;滑移;安装;施工技术 [中图分类号】TU758.11[文献标识码]A[文章编号]1002-8498(2014)14-0152-03 TheSteel TrussSlidingandInstallationTechnology ofaTheatre Xu Shanyuan (Ningbo Zhenhai Area Construction Safety and Quality Supervision Station,Ningbo,Zhejiang 315200,China) Abstract;There were eight steel trusses of the auditorium and stage roofs in the theatre of Ningbo Culture Plaza project.The ending of trusses was set on the steel reinforced concrete beams,which was connected with the embedded bolts, and secondary beams were used between the trusses. The trusses segmentation, assembly on site,lifting,sliding and installation,and the installation and welding of the ending were introduced in detail. This technology has the characteristics of reasonable, safe,short period and low cost. Key words:steel structures; trusses; sliding;installation;construction
1工程概况吊装停机位置,且桁架距地下室边缘的距离太远。
[关键词]体育场;斜拉结构;找力分析;倒拆分析法;张拉;数值模拟 [中图分类号】TU311;TU758[文献标识码]A[文章编号]1002-8498(2014)14-0083-07 ConstructionTensioningScheme andSimulation AnalysisofCable-stayedSteelStructure Zhu Boli',Ma Jianxun',Guo Yanlin²,Zhang Qiang” (1.SchoolofHumanSelements and CivilEngineering,Xi'anJiaotongUniversity,Xi'an,Shaanxi710049,China; 2.Department ofCivilEngineering,Tsinghua University,Bejing100084,China; 3.Hebei Jinhuan Steel Construction Engineering Co.,Lud.,Shijiazhuang,Hebei 050000,China) Abstract:As a structural bination of cables and steel roof,a cable-stayed structure is widely used to the stadium roof in the large span structure of the public buildings.For the cable-stayed structure consisted of rigid steel roof,flexible cables and masts,the cable tensioning has to be carried out during the construction process step by step.In the cable tensioning process, the control of both the cable forces and the structural displacements at key points should be satisfied according to the technical requirements specified by architectural and structural designers.Accordingly,thispaper presents thebasic principles for determining the optimal tensioning scheme and simulation tensioning analysis of cable-stayed structure. As a typical example, the two tensioning sequences and two prestressed grading tensioning schemes are carefully investigated respectively in a stadium.Comparisons between simulation tensioning analytical results for these tensioning schemes are made and the best tensioning scheme was found for this practical engineering construction. Key words:stadiums;cable-stayed structure;force-findin...
[关键词]体育场;屋盖;开合屋盖;钢结构;质量控制;施工技术 [中图分类号]TU712.5 【文献标识码]A [文章编号]1002-8498(2014)02-0007-03 ConstructionQualityPre-controllingTechnologyofthe OpeningandClosingRoofofaStadium Wang Jingbo,WangZhe,JingXiexie,GaoLiang (Inner Mongolia Xingtai Construction Co.,Ld.,Erdos,Inner Mongolia017000,China) Abstract: For large venues opening and closing events roof construction, rof installation and missioningofmachineryisaspecial linkand thehighlightofthewhole project,however,it keepsa variety of risks in the actual construction. The retractable roof of the stadium indicated in this paper not only can meet the requirements of all-weather use,still set electrically heated snowmelt system to meet opening and closing normally use in snow weather in the north. In this paper, appropriate treatments are put forward according to the hazards of the site. Key words:stadiums;roofs;retractable roofs; steel structures;quality control;construction 0引言 盖技术提高了体育场的使用效率和使用频率,并节 大型、超大型空间建筑正在凭借其建筑规模巨约了成本。