[关键词】隧道工程;沉降;非线性;神经网络;预测 [中图分类号]U456.3[文献标识码】A[文章编号]1002-8498(2013)23-0085-03
Settlement Measurement of City Tunnel Wang Ronglin',Wang Bing² (1.Jiangxi Radio & TV Univesity,Nanchang,Jiangxi 330046,China; 2.Shichang Construction Group Co.,Ltd.,Nanchang,Jiangxi 330046,China) Abstract;Inorder toimprove prediction accuracy of the surface settement for city tunnel the authors put forward a kind of gray space model, which can optimize traditional prediction method of surface settlement.Firstly,the method is to build the model by random process of surface settlement of rock and soil mass,the neural network has nonlinear data approximation ability in surface settlement prediction by building the nonlinear mapping relationship between surface settlement and random variables. The test shows that binationmodel improves prediction accuracy of surface setlement for city tunnel. Key words:tunnels;settlement;nonlinear;neural network;prediction 在城市建设过程中,经常会进行隧道施工,由特殊表示一般,从而导致研究成果难以推广应用。
施工技术 2017年6月上 86 CONSTRUCTION TECHNOLOGY 第46卷第11期 D01:10.7672/gjs2017110086 城市复杂环境超大直径钢顶管施工技术 李洪运 (上海市政工程设计研究总院(集团)有限公司,上海200092) [摘要]项目采用国内最大直径D4200的钢顶管施工,目前国内应用较少,缺乏比较成熟的施工经验,尤其在城市 复杂区域,施工工况复杂,通过严格的施工工艺策划,并大胆采用新工艺技术,制订完善合理的施工技术方案并采 取必要的保障措施,确保了钢顶管工艺的顺利顶进. [关键词]钢顶管;泥水平衡顶管机;复杂环境;施工技术 [中图分类号]TU745.3 [文献标识码]A [文章编号]1002-8498(2017)11-0086-04 Construction Technology of Large Diameter Steel Pipe Jacking in City at the Complex Environment LI Hongyun (Shanghai Municipal Engineering Design Institute(Group)Co.Lid.Shanghai 200092 China) Abstract:It's the maximum diameter DN4200)steel pipe jacking currently in China the application is less in domestic at present and for lacking mature experience the construction condition is also very plex especially in urban with plex environment.By using strict plan new technology perfect scheme and necessary measures the steel pipe jacking construction is pleted successfully. Key words:steel pipe jacking;slurry pipe jacking machine;plex environment;construction 1工程概况 DN450 DN450 随着现代化城市的快速发展,城市建设用地日 趋紧张,越来越多的市政基础配套设施转入地下空 间开发建设,国家部委也接连发文,部署推进城市 地下空间与地下综合管廊建设工作,鉴于此,深基 61000 坑、大直径地下暗挖等施工技术的推广应用是工程 实施成功的关键所在. 本工程虹桥商务核心区(二期)区域供能管沟 水管 项目,属商务核心区新能源系统的重要配套设施, 高温热水管(回) 高温热水管 采用DN4200钢顶管施工工艺,下穿商务区各商业 图1管沟断面 地块、市政设施,内敷能源冷热水管网(见图1).为 Fig.1 Pipe trench section 商务区各地块、设施集中提供能源系统.本文以商 务区南片区S03~S04顶管区间为例,介绍大直径钢 南虹港桥基础为600PHC管桩,桩长50.0m 顶管在城市复杂环境下实施时的关键施工技术. 桥台共36根,桥墩共60根,顶管边距最近桩基 顶管区间由S04工作井向S03井负坡4.5%o顶 仅1.9m. 进,始发段覆土11.23m 接收端覆土11.9m 下穿申 南虹港河宽55.4m 铺砌...
[关键词】地下工程;深基坑;支护;锚索;双排桩;施工技术 [中图分类号】TU753[文献标识码]A[文章编号】1002-8498(2014)01-0073-05 TheResearch and Application of theUltra-deepFoundation Excavation SupportsTechnologyUnderComplexConditionsinCity Zheng Yungang, Wang Zizhong,Yang Shixiang,Wang Xiaoshu (Yunnan Construction Foundation Engineering Co.,Lad.,Kunming,Yunnan 650041,China) Abstract:A deep foundation excavation project in Kunming is a typical urban ultra-deep foundation excavation, its environment is plex and the construction area is narrow. According to the engineering characteristics,some techniques are adopted such as double-rowpiles andposite support technology with pile-anchor and soil nail.The authors expound design of pile-anchor supports structure and discuss mechanism of double-row piles and posite support technology. Based on monitoring data,authors analyze application effect of the supports method. Key words: underground; deep foundation cxcavation; supports; anchor cables; double-row piles; construction 在城市的深基坑工程普遍具有开挖深度大,施南巷。
【关键词]地下工程;盾构;垂直局部冷冻;接收;加固;冻结加固分析 【中图分类号】TU751[文献标识码]A[文章编号】1002-8498(2012)15-0084-04 ApplicationofVertical LocalFreezingMethodin theConstruction of ShieldEnteringCave Chen Guangfeng',Chen Huifang²,Cheng Qianyuan',Xia Shilong*,Li Lixia”,Hong Min° (1.School of Earth and Space Seiences,Peking Unicersity,Bejing 100084,China; 2.School of Mechanics & Civil Engineering,CUMT,Xuzhou,Jiangsu 221116,China; 3.School of Civil Engineering,Lanzhou University of Technology,Lanzhou,Gansu 730050,China; 4.Bejing Engineering Co.,Lad.,China Railway &Airport Construetion Group Corporation,Beijing 100070,China; 5.Beijing Corporation,China Railway Construction Engineering Group,Bejing 100070,China; 6.Beijing Urban Construction & Zhongnan Group of Civil Engineering Co.,Ld.,Beijing102209,China) Abstract;Foundation reinforcement by high pressure jet grouting piles cannot reach an ideal sealing when used in quicksand stratum due to its own deficiencies.Taking the project of Binjangdadao to Zhujiang East section of Metro 10 in Nanjing as an example, this paper shows the advantages of freezing reinforcement in quicksand stratum, and demonstrated the feasibility of artificial freezing reinforcement method in the construction of shield entering cave. Key words:underground construction; shields; vertical local freezing; conjunction; reinforcement; freezing reinforcement analysis 通过以往南京地铁的施工经验,高压旋喷桩不构到达时,折页压板将外翻,不同于盾构始发的内 于旋喷桩加固存在自身的工艺问题,使得在砂层中流人接收井中,很难与盾构机、管片形成封水效果。
[关键词】基坑;支护;土钉;地下管线;渗漏;治理 [中图分类号】TU753[文献标识码]A [文章编号]1002-8498(2016)01-0038-04 ResearchonDestruction ofFoundationExcavationUsingSoil Nailing Aroused by Underground Pipeline Seepage Fu Yinghao',Hui Bing²,Jiang Hai²3,Duan Hao².,Wang Huimin²,Liu Yan²,Li Mei² 2.Shandong Zhengyuan Construction Engineering Co.,Ld.,Ji'nan,Shandong 250101,China;3.Geotechnical and StructuralEngineeringResearchCenerShandongUnivesityJi'nan,Shandong250061,China) Abstract:In order to study destruction process and soil nailing failure characteristics of foundation excavation supported by soil nailing under underground pipeline seepage, this paper built groundwater- soil-soil nailing coupling model based on finite element method used COMSOL.Considering different calculation of operating stepunder underground pipeline seepage,this paper analyzed foundation excavation's destruction process and soil nailing failure characteristics. Combined with a engineering example,restoration measures like plugging the aquifer and soil stabilization were taken to ensure foundation excavation security and stability. Key words;foundation excavation; supports; soil nailing;underground pipeline; seepage;treatment 0引言 目前,国内外相关学者对土钉支护的理论与数 近几年由于土钉支护具有安全经济、技术可值分析进行了深人研究。
2016年11月下 施工技术 第45卷第22期 CONSTRUCTION TECHNOLOGY 59 D0I:10.7672/5js2016220059 地下工程叠合整体式预制装配技术研究* 郭建涛,油新华,耿冬青,许国光 (中国建筑股份有限公司技术中心,北京101300) [摘要]以目前国内地下空间快速发展为研究背景,针对地下工程建设中存在的工业化程度低、设计建造粗放、建 筑材料损耗及建筑垃圾量大、建筑质量不稳定等诸多弊端,引进一种新型的预制装配施工技术,本施工技术具有施 工周期短,质量易控制,外表美观、减少现场湿作业,节约材料、低碳环保、防水性能好等施工特点.本研究对该技 术的优点、各构件的接头连接、防水进行了详细的介绍. [关键词]地下工程;叠合墙;预制装配式;叠合板;研究 [中图分类号]TU375.4 [文献标识码]A [文章编号]1002-8498(2016)22-0059-03 Research on the Technology of Composite and Whole Precast in Underground Engineering Guo Jiantao You Xinhua Geng Dongqing Xu Guoguang (China State Construction Engineering Co.Lad.Technology Center Beijing 101300 China) Abstract:During the rapid development of urban area in domestic due to many shortings such as the low level of industrialization extensive design and construction lots of building materials loss and construction waste unstable construction quality a new prefabrication and assembly construction technology is introduced.This construction technology has the characteristics of short construction period high quality beautiful appearance less wet work in construction site material saving low-carbon green good waterproof property and so on.This study made a detailed introduction for the advantage of this technology joint connection of each member waterproof. Key words:underground engineering;posite wall;precast;laminated slab;research 长期以来,我国混凝土建筑主要采用现场浇筑 步过渡到以现代技术为基础的大工业生产方式的 的传统生产方式,存在工业化程度低、设计建造粗 全过程,是建筑业生产方式的变革. 放、建筑材料损耗及建筑垃圾量大、建筑质量不稳 在地下工程工业化建造方面国内外都有一定 定、建筑全生命周期...
施工技术 2011年7月上 54 CONSTRUCTION TECHNOLOGY 第40卷第344期 吹填淤泥次固结特性试验研究 秦现军1,李瑞玲1,张明2 (1.鹤壁职业技术学晓基建处,河南鹤壁458030; 2.河南工程学院土木工程系,河南郑州451191) [摘要]通过室内试验对吹填淤泥次固结系数随周结压力及固结历时的变化规律、次固结系数与压缩指数的关系 进行了总结分析.结果表明:①次固结系数在工程预压荷载75~125kP:内随固结压力的增加变化最显著;②在两 相邻试验时段内次固结系数减小25.7%-27.0%,受固结历时的影响十分明显;③次固结系数与压缩指数之比C/ C.=0.0255~0.0269 为沿海地区软土C /C的上限值,受压缩指数变化的影响最显著.在此基础上提出了考虑 压力影响的吹填淤泥次固结变形计算方法. [关键词]吹填淤泥;分别加载;次固结;固结压力;压缩指数 [中图分类号]TU411.5 [文献标识码]A [文章编号]1002-8498(2011)13-0054-03 Test Study on Secondary Consolidation Characteristics of Filled Hydraulic Mud Qin Xianjun' Li Ruiling' Zhang Ming2 (1.Department of Construction Hebi College of Vocation and Technology Hebi He'nan 458030 China: 2.Department of Civil Engineering He'nan Institute of Engineering Zhengzhou He'nan 451191 China) Abstract:Based on laboratory test variation of coefficient of secondary consolidation of filled hydraulic mud with consolidation load and consolidation time the relationship between coefficient of secondary consolidation and pression index are concluded and analyzed.The results show that:①coefficient of secondary consolidation is of the most significant variation with the pre-loading between 75kPa and 125kPa;②coefficient of secondary consolidation is reduced by25.7%~27.0% and it is reflected the significant influence of consolidation time;③the ratio of coefficient of secondary consolidation and pression index C./C.is 0.025 5~0.026 9 which is the upper bound value among soft clay of coastal areas in China and it is showed t...
【关键词】地铁;U型梁;平移;架桥机;液压滑移;安装 【中图分类号】U445.4[文献标识码】A[文章编号]1002-8498(2015)05-0036-04 Studyon theNon-consoleModelInstallationTechnologyof VariableIntervalU-beam "Sun Jiuchun'.2 (1.College of Civil Engineering,Tongji University, Shanghai 200092, China; 2.Tengda Construction Group Co.,Lad.,Shanghai 200122,China) Abstract:Bridge erector has been widely used in the erection of U-beam,but bridge erector can only be used to install equidistant U-beam, can not adapt to changes in the form of line, its application has some limitations.In order to solve the installation problems of variable interval line and multi-line U-beam,a portable horizontal movement mechanism is developed,bined with bridge erector,which can plete the installation of the beam at different locations in the same plan, and the horizontal movement technology of the beam at station and turnout segments is established, bined with bridge erector, which can solve the installation problems of U-beam in all kinds of conditions within the line plan, except interchange,the technology has high economy, safety and suitability. Key words:subways;U-beam;horizontal movement; bridge erectors;hydraulic slip: installation 0引言足标准间距U型梁的架设,无法适用于变间距线路 U型梁是一种下承式桥梁结构,其横断面呈开U型梁和多线U型梁的安装。
[关键词]防水工程;变电站;屋面;混凝土结构;设计;施工技术 [中图分类号]TU761.1*1 [文献标识码]A [文章编号]1002-8498(2016)09-0084-05 StudyonComprehensiveWaterproofTechnologyofSubstation BuildingRoofBearingHeavyEquipments (1. Jiangsu Keneng Electric Power Engineering Consuling Co.,Lid.,Nanjing,Jiangsu 210036,China; 2.School of Ciril Engineering,Southeast University,Nanjing,Jiangsu 210096,China) GIS equipment of roof waterproof engineering,optimization design from the roof concrete structure crack, roof concrete construction and roofing waterproof layer construction technology are analyzed. The waterproof design scheme is determinedby themodeling analysis,the optimum structure design and the experimental study. Through the strict and reasonable prehensive construction technology measures, the problem of the crack and seepage of heavy load roof is solved. Key words:waterproofing;substation;roofs; concrete structures; design;construction 1工程概况 目前变电站的常规做法是采用户内和户外变 电站两种形式。
电气设备放置于室内或室外地面, 占地面积较大,为节省土地资源,河北武强220kV AB 变电站采取将电气设备放置于屋顶的方式。
武强 图1设备基础区域 变电站综合楼屋面板长50.00m,宽13.58m,楼板厚 Fig.1Area of equipment foundation 150mm,最大梁跨9.50m。
2012年10月下 施工技术 第41卷第375期 CONSTRUCTION TECHNOLOGY 99 单层钢框架厂房设计中几个问题的探讨 高晰 (中铝国际贵阳铝镁设计研究院有限公司,贵州贵阳550081) [摘要]目前国内单层钢框架厂房的设计执行两本规范,即《门式刚架轻型房屋钢结构技术规程》CECS102:2002和 《钢结构设计规范》GB50017一2003.对单层钢框架厂房设计中有关厂房柱位移限值、梁的挠度限值、梁平面外的 计算长度取值及抗震设计等问题进行了分析讨论,补充了有关规范中欠缺的内容,并运用于工程设计中,取得了较 好的经济效果. [关键词]钢结构;框架;厂房;设计;隅撑;抗震 [中图分类号]TU27.03 [文献标识码]A [文章编号]1002-8498(2012)20-0099-04 Discussions on the Design of the Single-layer Steel Frame Workshop Gao Xi (Guiyang Aluminum Magnesium Design Research Institute Corporation Limited-GAMI of China Aluminum International Engineering Co.Ltd.Guiyang Guizhou 550081 China) Abstract:Two codes are as references for the design of the single-layer steel frame workshop at present which are the CECS102:2002 Technical specification for steel structures of light-weight buildings with gabled frame and GB50017--2003 Code for design of steel structures.This paper analyzes and discusses limited value of the displacement of column limited value of the flexibility of beam calculation length values of the lateral stability of beam and seismic design related to single-layer steel frame buildings in engineering meanwhile adds some contents which are deficient in the relevant codes and has been used in projects.Good economic effects are gained. Key words:steel structures;frames;workshop;design;knee brace;seismic 0前言 易把握,造成设计偏保守或不安全. 钢结构厂房以施工速度快、自重轻、抗震性能1厂房柱在吊车水平荷载作用下的位移限值 好和对地基变形的适应性强等优势,正逐步取代传 对于设有桥式吊车的厂房,如果柱的位移过 统的钢筋混凝土结构.目前国内单层钢框架厂房 大,会导致吊车在行驶过程中卡轨,使吊车运行不 的设计执行两本规范:《门式刚架轻型房屋钢结构 平...
【关键词]北美地区;模板;脚手架;铝模板 [中图分类号】TU731.2[文献标识码】A [文章编号】1002-8498(2010)03-0029-05 FormworkandScaffoldTechnologyandRelevant Codes and Standards in North America Qiu Minghua (Bejing Aoyu Formwork Co.,Ld.,Bejing102600,China) Abstract;In this article, the author mainly shows building structure in North America including plate structure, steel structure, wood structure and pound structure. Based on different structure style, different formwork and scaffold technologies are selected. Most of plate structure use aluminum formwork which includes large wall formwork, horizontal formwork and column formwork. This formwork is posited by aluminum H-shape beam and wood plywood, and is easy for assembly and has high working efficiency. Tower structure often uses wood beam and floor formwork and scafold system and modularized early dismantling formwork system. The author also introduces relevant codes and standards on building construction,formwork and scaffold and safety construction. Key words:North America; formwork; scafold; aluminum formwork 1北美的建筑结构简介 北美的建筑结构主要有混凝土板式结构、钢结构、 木结构以及它们之间的混合结构。
施工技术 2011年5月上 80 CONSTRUCTION TECHNOLOGY 第40卷第340期 北京饭店二期改护建工程狭窄场地快速施工技术 崔友芳,李成义,李万鸭,廖秋林 (北京城建集园建工程承包部,北京100088) [摇要]交通花、建筑蜜集的城帝中心区的膜窄地实现快速施工已运渐成为工中一个制细性向题.立足子 北板店二期好建工程的施工实践,样细分析了换工程实视窄场地快速施工的特点与难点,针对性提出了一 系列有故施.以悦内布里建、下式地泵房、阶性场地布置、不作业面塔式起重机布置实了场地布置 化:以阶性验收、工库入的有故手将部分关键线路转化为非关键路:不断优化工方案,通过低度等 级混凝土园植肥糖、钢筋好架棋板的使用、后浇带的优化等技术措压缩绝对工期.总之,进些方法有故解决地处 市区狭窄场地大型公典建的场地布置和快速工,在保证工程量的前提下快速施工. [关键词]北东饭店:膜窄地;快速施工 [中图分类号]TU746.3 [文献标识妈]A [文章编号]10028498(2011)09-0080-03 The Rapid Construction Technology of the Stage IⅡReconstruction and Extension Project of Beijing Hotel Cui Youfang Li Chengyi Li Wanpeng Liao Qiulin The General Contract Department of Building Engineering Beijing Urban Construction Group Co. Lad.Beijing 100088 China) Abstract:The narrow construction site in the central city with busy traffic and dense building has been restricted construction speed.Taking the stageⅡreconstruction and extension project of Beijing Hotel for example the authors analyze the characteristics and difficulties of rapid construction in narrow construction site of the project and put forward some series of effective measures.4-D site arrangement is efficiently implemented by setting out temporary building in foundation sinking pump building site arrangement by stage and tower arrangement on different working surfaces.Part of key construction routes is transferred to non-key-construction-route by acceptance by stages and process intersection.The absolute construction period is shorten by optimizing constru...
2012年12月下 施工技术 第41卷第379期 CONSTRUCTION TECHNOLOGY 33 北京电影学院摄影棚综合技术楼深基坑支护技术 张国晨,刘兴旺,王洋 (北京市机械施工有限公司,北京100037) [摘要]北京电影学院摄影棚综合技术楼深基坑工程采用土钉墙护坡桩预应力错杆的复合基坑支护形式.采 用桩间旋喷桩与护坡桩共同作用的止水帷幕来解决基坑地下水的影响.深基坑支护中铺杆的张拉力是控制支护 结构位移、保护基坑安全度的关键,设计时利用地勘报告中的参数预估,以现场试验数据来确定铺杆张拉力的大 小.根据旋喷桩工艺及技术参数试验,以试验确保旋喷桩的止水效果.采用经纬仪挑直线的方法测量基坑水平位 移,实测的变形数据均在规范允许范围内. [关键词]地下工程;深基坑;止水帷幕;旋喷桩:护坡桩;预应力错杆;土钉墙;监测 [中图分类号]TU753.1 [文献标识码]A [文章编号]1002-8498(2012)24-0033-03 Retaining Technology for the Deep Foundation Excavation of the Film Studio Main Building of Beijing Film Academy Zhang Guochen Liu Xingwang Wang Yang Beijing Mechanized Construction Co.lad.Beijing 100037 China) Abstract:Deep foundation excavation of the Film Studio Main building of Beijing Film Academy adopted a bined retaining method of soil nailing wall slope protection pile and prestressed anchor.Jet grouting pile and slope protection pile worked together as waterproofing curtain to solve the problem of ground water.In the deep foundation excavation retaining the tension force of the anchor is the key to control the displacement of the retaining structure and to ensure foundation excavation safety.During design the anchor's tension force was estimated based on parameters from geological exploration report and determined by on-site test.Based on construction technique and technical parameter testing of jet grouting pile water stop effect of the pile was ensured.The horizontal displacements were measured by theodolite and the measured displacements were wit...
施工技术 2013年2月上 116 CONSTRUCTION TECHNOLOGY 第42卷第3期 D0I:10.7672/8gjs2013030116 北京某地下室渗漏治理技术 曹征富,叶林标 (中国建筑学会防水技术专业委员会,北京100039) [摘要]针对某旧综合楼工程地下室渗漏水情况,分析了渗漏水的原因,因地制宜地提出了治理渗漏的原则和方 .案,并根据工程实际情况和不同部位方案需求,选定了治理渗漏的材料品种及其性能要求.采取高分子益胶泥与 聚合物水泥防水砂浆相结合的治理措施,保证了渗漏水治理效果,满足地下室使用功能要求,达到预期治理效果. [关键词]防水工程;地下室;海漏;施工技术 [中图分类号]TU761.11 [文献标识码]A[文章编号]1002-8498(2013)03-0116-03 Leakage Treatment for a Basement in Beijing Cao.Zhengfu Ye Linbiao Waterproof Technology Professional Committee Architectural Society of China Beijing 100039 China) Abstract:Based on leakage of basement in an old plex building the reason of leakage is analyzed and correspond principle is proposed bined with the actual situation and different part of structure requirements the variety and performance requirements of material for regulating are selected.The results show that there is no water leakage in basement by regulation measures of high polymer mortar with polymer cement waterproofing mortar for leaking stoppage and the effects can meet the functional requirements. Key words:waterproofing;basement;leakage;construction 1工程概况 排除,增大了向地下室渗漏的机率. 北京某印刷厂综合楼位于市中心区,建于1984 3)在进行外墙装修改造时破坏了室外回填灰 年,条形基础,混凝土框架砖混结构.综合楼设有1 土,增大了雨水、雪水向地下室渗漏的严重性. 层地下室,用作工厂纸库,地下室层高3.0m.原防3治理方案 水设计做法:外墙外侧1.6m高以下、内侧1.0m高3.1治理方式 以下仅铺设纸胎油毡防潮层.综合楼在投人使用 以在室内治理(背水面)为主,同时改善建筑周 2多年后,地下室出现了不同程度的渗漏水现象,围的排水系统,以便于及时排除地表积水. 严重影响储存纸张的质量.使用单位为保证纸库3.2治理范围 正常使用,提出对该地下室的渗漏病害进行治理. 墙面、地面全部;顶板为外墙面内返500mm 2渗漏原因 范围. 1)防水设计存在认识误区认为地下工程防 3.3防水做法 水就是防地下水,该地下室在地下水位以上,只做 针对不同的防治部位...
施工技术 2013年10月下 4 CONSTRUCTION TECHNOLOGY 第42卷第20期 D0I:10.7672/sgjs2013200004 北京望京SOHO弧形屋面钢结构施工技术 王良波,姚建忠,马贵红,何志祥 (中建三局第二建设工程有限责任公司,湖北武汉430074) [摘要]北京望京S0H0工程由3栋塔楼(T1 T2 T3)组成,其中T2屋面钢结构是由横桁架、纵桁架以及环桁架组 合形成的不规则弧形空间结构体系,具有造型复杂、跨度大、净空高等特点,以2塔楼钢屋面为例,介绍大跨度空 间异形管桁架施工方法选定、深化设计、制作、预拼装、安装及施工一体化计算. [关键词]高层建筑;弧形结构;钢结构;管桁架;深化设计;安装 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2013)20-0004-03 Arc Roof Steel Structures Construction of Wangjing SOHO in Beijing Wang Liangbo Yao Jianzhong Ma Guihong He Zhixiang (The Second Construction Engineering Co.Lid.of China Construction Third Engineering Bureau Wuhan Hubei 430074 China) Abstract:Wangjing SOHO project in Beijing consists of three tower buildings of T1 T2 T3.The roof steel structure of T2 is irregular arc with transverse truss longitudinal truss and ring truss which has the characteristics of plex shape large span high clearance and so on.Taking the steel roof of T2 for example the construction methods selection detail design fabrication preassembly installation and integral simulation of the large-span special shaped pipe truss are introduced in detail. Key words:tall buildings;arc structure;steel structures;pipe truss;detailed design;installation 1工程概况 北京望京SOHO工程位于北京市朝阳区望京街 T3塔楼 与阜通西大街之间,由3栋塔楼(T1 T2 T3)组成 (见图1),仰视时犹如3座相互掩映的山峰,俯视时 宛似游动嬉戏的锦鲤,其独特的曲面造型使建筑物 在任何角度都呈现出动态、优雅的美感,塔楼外部 T1塔楼 被闪烁的铝板和玻璃覆盖,与蓝天融为一体.T2塔 楼建筑面积约为18万m2 地下4层,地上26层,主 T2塔楼 要使用功能为办公及商业,主体结构为框架剪力墙 结构,结构高度98.8m 建筑高度130m.钢结构位 于塔楼27层屋顶,由横桁架、纵桁架以及环桁架组 图1北京望京SOH0整体建筑效果 合形成不规则弧形空间结构体系(见图...
施工技术 2015年3月下 26 CONSTRUCTION TECHNOLOGY 第44卷第6期 D0I:10.7672/8gis2015060026 北京日出东方凯宾斯基酒店绿色施工技术 苟金瑞,韩冰,路伟伟 (北京城建集团有限责任公司,北京100088) [摘要]结合北京日出东方凯宾斯基酒店工程,首先介绍了本工程所处位置及现场情况,详细介绍了实施绿色施工 的难点和特点,根据实际情况阐述了本工程绿色施工实施过程中技术应用与技术创新,以及创建绿色施工示范工 程取得的经验,同时创建绿色施工示范工程也取得了一定的经济效益和社会效益. 【关键词]绿色施工;节能;环保;液压爬模;施工技术 [中图分类号]TU712 [文献标识码]A [文章编号]1002-8498(2015)06-0026-03 Green Construction of Sunrise East Kempinski Hotel Gou Jinrui Han Bing Lu Weiwei Beijing Urban Construction Group Co.Lad.Beijing 100088 China) Abstract:Combining with the project of Sunrise East Kempinski Hotel the project location and field conditions are introduced the difficulties and characteristics of green construction are described in detail. Based on the actual condition the technical innovation and application in the green construction are described the experiences in the establishment of demonstration project are put forward.The economic benefits and social benefits are both obtained. Key words:green construction;energy saving;environmental protection;hydraulic climbing formwork;construction 北京日出东方凯宾斯基酒店是北京雁栖湖生 4)现场北侧紧邻雁栖湖大坝,西侧为雁栖湖泄 态示范区的重要建筑,为2014年APEC会议的重要 洪渠挡土墙,雁栖湖水质保护是环境保护的重点. 配套建筑.建筑物正立面呈圆形,侧立面呈椭圆 5)工程任务重,参建队伍多,高峰阶段施工人 形,平面呈椭圆形,整体呈日出东方之态,造型优 员多达2200人,做好“四节一环保”的宣传教育工 美.工程总建筑面积83490.07m2 总占地面积 作,使参施人员树立较强的节约意识,工作量很大. 47678m2 裙房地上2层、地下1层,主楼地下2层, 6)现场投入机械设备多,高峰时段塔楼起重设 地上19层.本工程绿色施工目标为创“全国建筑 备多达6台,做好能源消耗的管理和监控,防止能源 业绿色施工示范工程”. 浪费,管理难度较大. 1实施绿色施工的难点及特点 7)工程实体材料用量大、种类多,做好节材措 1)工程双曲面异形结构造型导致钢结构异形 施是节约的重点. 构件和不规则构件较多,构件加工制作、运输及安...
2015年3月下 施工技术 第44卷第6期 CONSTRUCTION TECHNOLOGY 9 D01:10.7672/sgj82015060009 北京日出东方凯宾斯基酒店弧形圆钢管柱安装技术 苟金瑞,米继东,田承行,陶福兵 (北京城建集团有限责任公司,北京100088) [摘要]北京日出东方凯宾斯基酒店工程结构形式为钢筋混凝土核心简和钢框架混合结构体系,钢框架由钢管混 凝土柱和钢梁结构构成,外围钢管柱沿立面呈弧形布置,截面形式为圆形,每层14~22根钢管柱不等.重点分析 了弧形圆钢管柱安装的特点及难点,研究采用先进的施工技术和工艺,有效地解决了施工过程中的各种难题,确保 了工程进展顺利. [关键词]柱;弧形圆钢管柱;吊装;安装 [中图分类号]TU758.11 [文献标识码]A[文章编号]1002-8498(2015)06-0009-05 Installation of Curved Concrete Filled Circular Steel Columns in Sunrise East Kempinski Hotel Gou Jinrui Mi Jidong Tian Chenghang Tao Fubing (Beijing Urban Construction Group Co.Lad.Beijing 100088 China) Abstract:The structure form of Sunrise East Kempinski Hotel project is the plex system of reinforced concrete core tube and steel frame and the steel frame is posed of concrete filled circular steel columns and steel beams.The peripheral concrete filled circular steel columns is placed in curves the section shape of the columns is circular.There are 14~22 columns in each layer.The characteristics and difficulties in the construction of inclined concrete filled circular steel columns are focused analyzed the advanced construction technology and process is researched the construction difficulties are solved and the construction schedule is guaranteed. Key words:columns;curved concrete filled circular steel columns;hoists;installation 随着社会的进步和科技的发展,钢管混凝土柱功能为酒店大堂、宴会厅、餐厅及包房、大堂吧、商 结构在公共建筑领域得到了广泛的应用.钢管混务中心、内部办公及管理用房、设备用房,其余部分 凝土柱作为一种新型组合结构,融合了混凝土和钢 为地下车库、游泳池、会议区及员工生活区等.总 材的优点,具有承载力高、抗震性能好、施工方便、建筑面积83490.07m2...
2011年3月下 施工技术 第40卷第337期 CONSTRUCTION TECHNOLOGY 91 北京市某区中小学校舍砌体结构抗震鉴定 郭晔,常好诵 (中冶建筑研究总院有限公司,北京100088) [摘要]结合北京市某区中小学校舍砌体结构抗展鉴定及加固工作,分析了体结构校舍基本情况,总结了砌体结 构校舍结构特点,归纳了砌体结构校舍存在的抗展间题,提供了砌体结构校舍加固修复的方法,为全国中小学砌体 结构校舍抗展安全工程提供一个地区样本. [关键词]校舍;抗震鉴定:加固:修复 [中图分类号]TU375:TU745.3 [文献标识码]A 【文章编号]1002-8498(2011)06-091-03 Seismic Appraisal on Masonry Buildings of Primary and Secondary School in a District at Beijing Guo Ye Chang Haosong (Central Research Institute of Building and Construction MCC Beijing 100088 China) Abstract:Seismic appraisal and strengthening of masonry buildings of primary and secondary school in a district at Beijing are summarized.Basic conditions of masonry structure are analyzed and structure characteristic is summarized.Then seismic problems are analyzed and strengthening method is provided. The research result offers a district specimen for the seismic safety project of primary and secondary school in China. Key words:school building:seismic appraisal;strengthening;repairing 四川汶川地展后,国务院办公厅及教育部、国家准》GB50223一2008将中小学校舍抗展设防类别由 发改委等部委相继下发了《全国中小学校舍安全工原规范的标准设防类(丙类)提升到不低于重点设 程实施方案》、《全国中小学校舍安全工程实施细 防类(乙类).对于乙类建筑“应按高于本地区抗展 则》、《全国中小学校舍安全工程监督检查办法》、设防烈度一度的要求加强其抗展措施”. 《全国中小学校舍安全工程技术指南》等专项文件, 2)抗展设计规范2008年版《建筑抗展设计规 要求对全国范围内中小学建筑进行抗展排查,旨在 范》GB50011一2001对2001版进行了较大的修订, 确定校舍工程的结构安全是否满足有关鉴定标准和《建筑抗展设计规范》GB50011一2010对新建建筑 抗震设防要求,提出检测鉴定结论及抗震加固方案. 物的抗设计提出了更严格的要求. 受北京市某区教委房管所委托,从2009年7月 3)抗展鉴定标准《建筑抗展鉴定标准》 起对北京市该区下属的70所中小学共计112栋建 GB50023一2009对原标准进行了较大幅度的修订和 筑物进行了抗展鉴定,截至2011年1月已完成了 调整,引人了后续使用年限为3...