[关键词]玻璃幕墙;冷弯单元板;冷弯玻璃;施工 [中图分类号]TU767[文献标识码]A[文章编号]1002-8498(2013)22-0084-03 ApplicationofColdWarpedPanelintheConstructionof 3DBuilding CurtainWall ShenJun,LaiJiawei (Gartner Curtain Wall(Shanghai)Co.,Lad.,Shanghai 200002,China) Abstract;Based on the construction of a 3D building curtain wall engineering experience,this paper analyzed and verified lifing program, measuring program, construction process of the key parts to illustrate the special construction method of three-dimensional building curtain wall and the application of
Key words:curtain wall; cold warped panel;cold-warped glass; construction
1工程概况 某工程位于上海虹桥,建筑物为三维造型,其 水平剖面和垂直剖面都为不规则弧线。
施工技术 2013年11月下 48 CONSTRUCTION TECHNOLOGY 第42卷第22期 D0I:10.7672/sgj2013220048 农村砖木结构住宅抗震加固新方法对比分析与研究* 刘辉,魏建友,胡亮霞,杨威1,赵作周2,朱尔玉3 (1.北京市房地产科学技术研究所,北京100021;2.清华大学土木工程安全与耐久教育部重点实验室, 北京100084;3.北京交通大学土木工程学院,北京100044) [摘要]砖木结构房屋在我国农村地区广泛使用,而这种房屋普遮无抗震设防构造措施.木屋架、德条及其他相关 构件之间没有可靠连接,在竖向、水平地震力作用下极易脱落、破坏,造成结构的整体或者部分坍塌,进而产生较大 灾害.结合实际工程,对木柱作为竖向承重体系的典型结构进行了结构抗震技术优化研究.研究结果表明,对于 无抗展构造措施的既有农村砖木结构,抗震加固技术优化后的结构体系不仅能够满足本区域的抗震设防要求,而 且经济效果明显. [关键词]加固;抗展;农村住宅;砖木结构 [中图分类号]TU398.4 [文献标识码]A [文章编号]1002-8498(2013)22-0048-04 Comparative and Analytic Research on New Methods of Earthquake Resistance Strengthening Technical for Rural Brick-wood House Liu Hui' Wei Jianyou' Hu Liangxia' Yang Wei' Zhao Zuozhou? Zhu Eryu (1.Beijing Institute of Real Estate Science and Technology Beijing 100021 China;2.Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry Department of Civil Engineering Tsinghua University Beijing 100084 China;3.School of Civil Engineering Beijing Jiaotong University Beijing 100044 China) Abstract:Brick-wood houses are widely used in rural in China with no earthquake-proof housing construction measures in general.Wooden frame structures crossbeam and other related ponents have no reliable connections which are easily fell off and destroyed by vertical and horizontal earthquake force.Combined with actual project the structural seismic technology optimize study on the typical structure of wood column as the vertical load-bearing system are introduced the study results show that the structure system with the seismic reinforcement technology optimization can meet the seismic requirements of the region and the economic effect is good. Key words:strengthening;seismic;rural residence;brick-wood structures 0引言 农村砖木结构建筑的抗震理论13进行相关深人研 在各种灾害中,虽然地震灾害不是最经常、最究具有鲜明的现实意义.该研究需要多学科密切 普遍威胁公众安全和社会发展的灾害,但由于受目 配合,涉及地震科学、材料科学、动力学、工程结构 前科学技术发展的局限,现有的技术手段和仪器设 学、数学以及计算机技术等.各国学者在研究过程 备还不能完全准确地对其进行预测预报,其发生具 中均是针对具体研究目标对其中某些方面进行简 有很大的不可预见性和不确定性;一旦发生较大烈 化或采用假定,从而尽可能建立较为简化的分析模 度的地震灾...
施工技术 2016年8月下 96 CONSTRUCTION TECHNOLOGY 第45卷第16期 D0I:10.7672/8js2016160096 内蒙古科技馆新馆异形幕墙综合施工技术 刘丙字,倪吉华2,孙瑞莲2,吴治刚2,段天明2 (1.北京建工路桥工程建设有限责任公司,北京100123;2.北京港源建笑饰工程有限公司,北京102211) [摘要]内蒙古科技馆工程建就造型奇特,外立面采用多种形式的幕实不规刚的曲面,设计和工雅虚很大. 施工前进行了深化设计,对各种施工技术进行了可行性分析,提前时施工过程中的童点和难点进行了分析并提出 解决港施.详细介了各种不同材料莱墙的施工技术.施工过程中运用M技术进行建和测量放样,确保了施 工精度. [关键词];建筑模型;安梨;测 [中图分类号]TU758.1[文献标识码]A[文章编号]1002-8498(2016)16-0096-06 Construction Technology of Irregular Curtain Wall Engineering in Inner Mongolia Science and Technology Museum Liu Bingyu' Ni Jihua2 Sun Ruilian2 Wu Zhigang2 Duan Tianming㎡ (1.BCEG Road&Bridge Construction Engineering Co.Ld.Beijing 100123 China; 2.Beijing Gangyuan Architectural Decoration Engineering Co.Ld.Beijing 102211 China) Abstract:Inner Mongolia Science and Technology Museum has special shaped architectural modeling. The facade uses several of curtain walls to form the irregular surface modeling which results in design and construction difficult.Before construction deepened design was done various construetion techniques were carried out a feasibility analysis in advance and the construction important and difficult points were analyzed and propose solutions were put forward.The various construction techniques of different materials curtain were introduced in detail.During construction BIM technology is used for modeling and measurement lofting which ensures construction accuracy. Key words:curtain wall;building information model(BIM);installation;measurement 1工程概况 内蒙古科技馆新馆工程(见图1),位于内蒙...
施工技术 2014年5月上 86 CONSTRUCTION TECHNOLOGY 第43卷第9期 D01:10.7672/js2014090086 内爬式塔式起重机高空拆除及换塔施工技术 张肇庆,吴建青2,郭华法2,吕兆健,宫静静 (1.中建一局集团第五建筑有限公司,北京100024;2.义乌市建筑工程质量监督站,浙江义乌322000) [摘要]义乌世贸中心项目由4栋塔楼及5层裙房组成.由于该地区雨季时间跨度大,易受大雨及台风影响,给施 工带来较大难度.通过超高层酒店起重设备的更换、选型、布置和安装,对超高层建筑大型起重机械的相关技术进 行了研究.详细深入分析了内爬升式塔式起重机高空拆除的原因,详细介绍了塔式起重机更换施工技术.塔式起 重机更换完成后,施工速度大大加快,且消除了原有塔式起重机的诸多安全隐患. [关键词]高层建筑;塔式起重机;更换;基础 「中图分类号1TU74 [文献标识码]A [文章编号]1002-8498(2014)09-0086-05 Removal of Inner Climbing Tower Crane and Replacing Technology Zhang Zhaoqing Nu Jianqing2 Guo Huafa2 LǚZhaojian' Gong Jingjing (1.China Construction First Group the Fifth Construction Co.Ltd.Beijing 100024 China; 2.Yiwu City Construction Engineering Quality Supervision Station Yicu Zhejiang 322000 China) Abstract:The Yiwu World Trade Center project consists of four tower buildings and five-layer annex. Because the rainy season is rather long in this area the heavy rains and typhoons can easily affect the project which brings great difficulty to construction.This paper researches technology for large hoisting machines of super-high-rise buildings from tower cranes replacing selection layout and installation technology of super-high-rise buildings.The removal causes of inner climbing tower crane are analyzed. Moreover the replacing technology of tower crane is introduced.After the tower crane replacing the construction speed is more greatly accelerated and many of the safety hazards for original tower crane are eliminated. Key words:tall buildings;tow...
2012年9月下 施工技术 第41卷第373期 CONSTRUCTION TECHNOLOGY 117 内河沉管隧道浮运沉放施工技术 王朝辉 (中铁十八局集团第五工程有限公司,天津300456) [摘要]天津市滨海新区中央大道海河隧道穿越海河,采用沉管法施工工艺.由于位于内河上施工,其管段浮运和 沉放与传统海上或者江河上沉管施工有较大差异.从管段浮运、二次陋装、沉放、初步对接、拉合、基底注浆和回填 覆盖等施工工艺上,开辟了一条简单、实际可行的沉管隧道浮运沉放新技术路径. [关键词]隧道工程;沉管法;浮运;沉放;拉合;对接 [中图分类号]TU7;U455 [文献标识码]A [文章编号]1002-8498(2012)18-0117-04 Construction Technology of Floating and Sinking of Immersed Tunnel Crossing Inland River Wang Chaohui China Railway Eighteen Bureau Group Five Company Tianjin 300456 China) Abstract:Immersed technology is adopted in Haihe River Tunnel of Central Road in Binhai New Area Tianjin.Because the tunnel is designed for crossing inland river so its floating and sinking are very different with normal immersed tunnels.Key construction technology of the immersed tunnel for inland river is introduced to developing a new feasible technical process including tunnel segments floating secondary outfitting sinking initial position bination underground grouting and backfilling. Key words:tunnels;immersed method;floating:sinking;bination;connection 天津市滨海新区中央大道海河隧道工程为我为80 5m 预制完成后在坞内进行拉合,坞内预制平 国高烈度区第一条沉管隧道,也是我国北方第一条面布置如图1所示. 沉管隧道.该隧道穿越海河,位于内河上施工,与 以往国内海上或者江河施工的沉管隧道相比,在管 段浮运、沉放上有很大的差别.海上、江河上沉管 隧道施工,由于河面较宽、水流急、海浪高,采用了 E3-1 E2 E1 船舶拖运、大型门架、EPS定位系统等设备辅助控 80m 85m 85m 制;而海河隧道工程位于内河施工,由于流速、水位 3-25m 可以通过内河闸门控制,从而开辟了一条简单、实 际、可行的沉管隧道浮运沉放新途径. 1工程概况 海河隧道工程位于天津市滨海新区,临近天津 图1沉管隧道干坞内预制平面 Fig.1 Plan of prefabricated segments in dry dock 港,是连接滨海新区塘沽、大港、汉沽的重要快速通 of the immersed tunnel 道——中央大道...
[关键词]地下工程;深基坑;旋挖灌注桩;内支撑;预应力锚索;监测 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2012)07-0031-03 DeepFoundationExcavationSupport Technology ofInternal BracingRowPiles Combined with Anchor RowPiles Li Jing,Li Mingyang (Shenzhen Branch of CSCEC-Pauly y.Construction Company Ld.,Shenzhen,Guangdong 518003,China) Abstract:Construction environment of some deep foundation excavation is plex.According to scheme parison, internal bracing row piles bined with anchor row piles are adopted. Two reinforced introduce construction technology of rotary bored pile,rotary jet grouting pile,inner suport and prestressed anchor cable,and propose points for atention.Monitoring results show that deformation of foundation excavation is small,and good technical and economic benefits are obtained. Key words:underground;deep foundation excavation;rotary bored pile;inner supports;prestressed anchor cable;monitoring 1工程概况 汉国城市商业中心位于深圳市福田区,地处深 深南大道 福田医院住院楼 南大道与福明路交叉口西南角。
[关键词】幕墙;内循环呼吸幕墙;设计;安装;玻璃;石材;施工技术 [中图分类号]TU767.6 [文献标识码】A[文章编号】1002-8498(2012)03-0058-06 TheApplicationofInternalCirculationVentilationCurtainWall in Jiaming Center Project Chen Minmin',WuXuejun',Sun Ruqiang',Yu Shengfu',Chen Jianhua² (1. China Consruction First Division Group the Fijfh Co.,Ld. ,Beijing 100024,China; 2.Wuhan Lingyun Building Decoration Engineering Co.,Lad.,Wuhan,Hubei430023,China) Abstract:Intermal circulation ventilation curtain wall is suitable for the northerm environment.The authors introduce structure design,working principle,construction technical characteristics and energy saving measures of internal circulation ventilation curtain wall used in the Beijing Jiaming Center Project. Through the engineering practice,some technique difficulties on ventilation system design and installation of the glass-stone posite curtain wall are solved innovatively. These innovative measures can save energy,protect environment and reduce noise.Construction period,quality and safety are achieved,and economic and social benefits are gained. Key words: curtains;intermal circulation ventilation curtains; design;installation;glass; stone; construction 呼吸幕墙是双层玻璃幕墙,由于在内、外两层 气较多,尤其可吸人颗粒物和昆虫非常严重,采用 玻璃间设置了供空气流通循环用的空气腔而得名。
2015年9月上 施工技术 第44卷第17期 CONSTRUCTION TECHNOLOGY 95 D0I:10.7672/sgj82015170095 内倾外斜单元体节能玻璃幕墙施工技术 李庆达,曾令锐,李伟铭,李蓉 (中建三局集团有限公司(北京),北京100097) [摘要]结合融科智地联想园区B座综合办公楼等4项工程内倾外斜单元体节能幕墙施工情况,分析了Low-E节 能玻璃的特性,介绍向内倾斜和向外倾斜单元体玻璃幕墙的施工部署,阐述了内倾外斜大板块单元体玻璃幕墙的 施工流程,应用该技术可提高内倾外斜单元体节能幕墙的施工效率和施工质量. [关键词]幕墙;玻璃幕墙;单元体;槽式埋件;施工技术 [中图分类号]TU767 [文献标识码]A [文章编号]1002-8498(2015)17-0095-03 Construction Technology of Energy-saving Glass Curtain Wall with Introversion and Outward Inclination Unit Body Li Qingda Zeng Lingrui Li Weiming Li Rong China Construction Third Engineering Bureau Co.Ltd.Beijing) Beijing 100097 China) Abstract:Combined with the construction of the energy-saving glass curtain wall with introversion and outward inclination unit body for Ray Lenovo Park Block B Office Building project as well as other 3 projects this paper analyzed the characteristics of low emissivity energy-saving glass introduced two construction deployments of glass curtain walls with introversion and outward inclination unit body.This paper introduced the construction process of glass curtain wall with introversion and outward inclination unit body in detail.In this way the technology improved construction efficiency and construction quality of the energy-saving glass curtain wall with introversion and outward inclination unit body. Key words:curtain walls;glass curtain walls;unit body;trough type embedded parts;construction 随着时代的发展,建筑造型也趋于千变万化,是集餐饮、影院、购物、办公室、会议室及各类机房 单元体幕墙有着工厂组装质量控制好、现场拼装施 于一体的高端商务写字楼(见图1). 工进度快等优点,更加适应不...
[关键词】公路工程;高速公路;收缩装置;梁板内模;预制梁板;施工技术 [中图分类号】U448.14[文献标识码]A[文章编号]1002-8498(2016)24-0092-02 ApplicationofBeamSlabInternalFormworkwith ShrinkingDeviceinPrecastBeam YuanZhen,YangYihui,WangXiaoyu (ChinaConstructon SixthEngineering DiisionBridgeCo.,Ld.,Chongqing402260,China) Abstract:The precast beam segment of Jingyu toTonghua inGl1 Hegang-Dalian expressway adopted a device which has a shrinkage device in beam and slab internal formwork. Device makes the beam and slab internal formwork technology construction convenient and quick,ann,fast break,less template juncture,good integration, they can guarantee the beam and slab internal structure size,saving construction cost and improving construction quality and speeding up the construction progress. The purpose of good social benefit and economic benefit were obtained finally. Key words:roads construction;expressway;shrinking device;beam slab internal formwork;precast beam and slabs;construction 0引言 中40m预制T梁110片,30m箱梁288片,25m箱梁 工程管理的重点在于把握施工过程中的质量、48片,10m空心板75片,13m空心板222片。
2010年7月 施工技术 第39卷第7期 CONSTRUCTION TECHNOLOGY 105 兰州某基坑加固抢险方案设计 梁得常,朱景,刘勇 (兰州高阳房地产公司,甘肃兰州730070) [摘要]兰州地区基坑开挖,常至黄土层、卵石层或泥岩层,因地下水作用,下部黄土层或泥岩层软化,基坑出现软 根现象,极易造成局部塌方.通过工程抢险实例分析了其中原因,同时提出了抢险方案、施工设计的具体措施.实 践表明,上部加设预应力错杆、下部加设竖向微型钢管桩、木桩、加密网筋、加大混凝土体喷射厚度是兰州地区基坑 抢险加固的有效措施. [关键词]预应力铺杆;钢管桩;木桩;基坑加固 [中图分类号]TU753.8 [文献标识码]A [文章编号]1002-8498(2010)07-0105-03 Scheme Design on Foundation Excavation Strengthening in Lanzhou Liang Dechang Zhu Jing Liu Yong Lanshou Gaoyang Real Estate Co.Lanshou Gansu 730070 China) Abstract:The foundation in Lanzhou was always excavated to loess layer cobble layer or marl layer. Because of underground water loess or marl layer is easy soften so landslide happen frequently in the foundation foot.By practical engineering the authors analyze the landslide factors and put forward emergency scheme and construction technology.The practical strengthen effect shows that some measures such as setting prestressed anchor in the upper and vertical mini steel pipe pile in the bottom wood pile densified steel bar mesh and thicken sprayed concrete are effective for strengthening foundation landslip in Lanzhou area. Key words:prestressed anchor;steel pile pile;wood pile;foundation excavation strengthening 从20世纪后期开始,土钉支护已逐步占领兰州基10m 后要求在原支护深度基础上继续向下开挖2.5m 坑支护的主导地位.从最初的完全桩支护,逐步过渡施工方在没有继续加强支护的条件下完成加深开挖, 为大部分采用土钉支护、重点工程或工程的重点部位基坑出现明显变形,最大裂缝达3cm 且有进一步扩大 采用桩支护,其中相当部分完全采用了土钉支护,工期趋势,将超出设计变形临界值.基坑坑壁外侧上部有 明显缩短,工程造价显著降低. 两条天然气管线,引起了建设管理部门的高度重视. 兰州地区基坑开挖范围内地层自上而下:①杂填2抢险方案设计 土、黄土状粉土层.杂填土,一般松散,常...
施工技术 2010年5月 96 CONSTRUCTION TECHNOLOGY 第39卷第5期 兰州大学榆中校区游泳馆吸音墙施工技术 苏海明,温纯厚 (甘肃省建设投资(控股)集团总公司,甘肃兰州730030) [摘要]轻质混凝土吸音块主要采用工业废料制成,是无毒、环保、节能的新材料,具有施工成本低、使用寿命长等 优点.兰州大学榆中校区游泳馆室内四周采用轻质混桑土吸音清水墙,由镀锌钢丝网片、形镀锋固定铁件和钢筋 混凝土构件连接.介绍了轻质混凝土吸音墙材料性能要求及砌筑工艺.通过此项技术实施,解决了传统吸音墙裂 缝、黏结性差等问题. [关键词]吸音墙;混凝土吸音块;砌筑;施工技术 [中图分类号]TU754.1 [文献标识码]A[文章编号]1002-8498(2010)05-0096-03 Construction Technology of Sound-absorbing Wall in Swimming Pool of Lanzhou University Yuzhong Campus Su Haiming Wen Chunhou Gansu Provincial Construction Investment Holdings)Group Corporation Lanzhou Gansu 730030 China) Abstract:Lightweight concrete sound-absorbing block is mainly made of industrial waste.Thus it is new material with advantages of non-toxicity environmental protection energy-gaving low cost and long service life.The swimming pool of Lanzhou University Yuzhong Campus adopts fair-faced internal wall with lightweight concrete sound-absorbing blocks.The sound-absorbing block is connected to reinforced concrete ponents with galvanized reinforcement mesh and L-shaped fixed iron.Authors introduce materials performance and masonry technology of lightweight concrete sound-absorbing wall.By adopting the technology the problems of cracks and weak connection of traditional sound-absorbing wall are solved successfully. Key words:sound-absorbing wall;concrete sound-absorbing block;masonry:construction technology 1工程概况 可以起到保温作用,当外墙结露或内墙有冷凝水时可 兰州大学榆中校区游泳馆建筑面积12016m2 建以顺着空腔排出墙外. 筑高度27.9m.观众席位1604个,设有竞赛游泳池、练 3)吸音墙造价比传统吸音材料和复合吸音墙低 习池...
2015年10月上 施工技术 第44卷第19期 CONSTRUCTION TECHNOLOGY 113 D0I:10.7672/8js2015190113 六步双侧壁导坑施工步序优化分析 李凌宜1,董亥兴,阳文华1,阳军生2,石宇2 (1.北京市政路桥股份有限公司,北京100068;2.中南大学土木工程学院,湖南长沙410075) [摘要]依托长沙市轨道交通2号线某工程,结合现场实际,对传统的双侧壁导坑法施工步序进行优化调整设计, 在数值分析的基础上,比较2种不同的开挖步序对围岩和支护结构的位移以及工字钢内支撑的内力进行比较分 析,得到优化改进后的双侧壁导坑施工工序是可行的. [关键词]隧道工程;地铁;双侧壁导坑法;优化:数值分析 [中图分类号]U455.4 [文献标识码]A [文章编号]1002-8498(2015)19-0113-04 Optimization Analysis of Construction Process of Double Side Slope Method by Six Steps Li Lingyi' Dong Haixing' Yang Wenhua' Yang Junsheng? Shi Yu2 (1.Beijing Municipal and Highway Bridge Co. Lid.Beijing 100068 China;2.School of Ciril Engineering Central South Unirersity Changsha Hu'nan 410075 China) Abstract:Based on some project of Changsha Rail Transit Line 2 bined with the actual conditions the traditional existing double side slope method construction step sequence was optimized and adjusted. Based on the numerical analysis this paper pared the displacement of surrounding rock and support structure with two different exeavation step sequence analyzed the internal force of I-shaped section steel support.Results show that the improved double side wall pilot tunnel construction process is feasible. Key words:tunnels;subways;double side slope method;optimization;numerical analysis 0引言 围岩的扰动. 文献[14]所提到的双侧壁导坑的开挖顺序1工程概况 为:左侧壁上导坑开挖及初支→左侧壁下导坑开挖 湾镇站停车区间位于枫林路与深湾路交叉 及初支一→右侧壁导上坑开挖及初支→右侧壁下导 路口,靠枫林路北侧设置.枫林路地面现状为双向 坑开挖及初支→中导坑上部环形台阶开挖及拱部 六车道,车流量较大;湾镇为双向四车道,车流量 初支→中导坑核心土开挖,中导坑上台阶开挖一→中 较小.站前停车线区间采用明暗挖相结合的方法 导坑下台阶...
2011年6月上 施工技术 第40卷第342期 CONSTRUCTION TECHNOLOGY 全预制装配整体式剪力墙结构节点连接施工技术 陈耀钢1,郭正兴2,董年才,朱张峰2 (1.南通建筑工程总承包有限公可,江苏门226124;2.东南大学土木工程学院,江苏南京210096) [摘要]全预制装配整体式剪力墙结构(PC)剪力墙、柱、电梯井、阳台、空调板、雨篷等构件果用工厂化预制生产, 预留注浆管及节点钢筋;梁、板等水平构件采用工厂化预制生产叠合梁、板,预留上层钢筋及端部节点钢筋.通过 现场吊装、注浆管浆错节点观浇形成整体结构体系.述了该结构体系的技术特点、适用范围.重点介绍了NPC 现场施工的关键施工技术,包括定位放线,竖向铜筋校正,构件吊装、固定、校正,浆锚节点施工,养护等. [关键词]全预制装配整体式剪力墙;节点连接;浆错节点 【中图分类号]TU756.45 [文献标识码]A [文章编号]1002-8498(2011)11-0003-03 Joint Connection Construction Technology of the New Precast Concrete Shear Wall Structure Chen Yaogang' Guo Zhengxing? Dong Niancai' Zhu Zhangfeng? (1.Nantong Construction General Contractor Co.Ltd.Haimen Jiangsu 226124 China; 2.School of Ciuil Engineering Southeast University Nanjing Jiangsu 210096 China) Abstract:The ponents of shear wall column elevator shaft balcony air conditioning board and canopy in the new precast concrete shear wall structure are prefabricated in factory in which grouting pipe and joint steel bars are reserved.In addition the horizontal ponents such as beam and slab are also prefabricated in factory into posite beams and slabs in which upper and ending joint steel bars are reserved.Through hoisting on site cast-in-situ concrete of slurry and anchor joint the structure is formed integral system.The technology characteristics and application scope of this structure are described.Furthermore key construction technologies on site such as location and positioning correction of vertical steel bars hoisting fixation and correct...
施工技术 2011年6月上 16 CONSTRUCTION TECHNOLOGY 第40卷第342期 全预制装配整体式剪力墙结构抗震性能研究 陆建忠1,郭正兴2,董年才,朱张峰2 (1.南通建筑工根总承包有限公司,江苏海门226124;2.东南大学土水工程学院,江苏南京210096) [摘要]为研究全预制装配整体式剪力墙结构(NPC)的抗震性能,以江苏海门中南世纪城33号楼为例,进行了1/2 模型设计与振动台试验,采用低周反复加载试验手段,掌握框架的裂缝开展、出饺顺序、破坏过程和破环形态,分析 全预制装配短肢剪力墙结构的破坏机制承载能力、变形、滞回特性、耗能能力等结构特性,并与现浇混凝土框架结 构比较.结果显示,两种结构体系性能相近. 【关键词]全预制装配整体式剪力墙;抗震性能;模拟试验 [中图分类号]TU756.45 [文献标识码]A 【文章编号]1002-8498(2011)11-0016-04 Seismic Performance Study on the New Precast Concrete Shear Wall Structure Lu Jianzhong' Guo Zhengxing? Dong Niancai' Zhu Zhangfeng2 (1.Nantong Construction General Contractor Co.Ld.Haimen Jiangsu 226124.China; 2.School of Cisil Engineering Southeast University Nanjing Jiangsu 210096 China) Abstract:In order to study the seismic performance of the new precast concrete shear wall structure taking Zhongnan Century City project for example half model design and shaking table experiment were carried out.Through low-cycle repeated loading the crack development of frame appearance sequence of articulated joint destructive process and modes are pointed out meanwhile the destructive mechanism bearing capacity deformation hysteretic properties and energy dissipation performance of the new precast concrete shear wall structure are analyzed which are pared with cast-in-situ concrete frame structure.The results show that both of the performances are similar. Key words:the new precast concrete shear wall;seismic performance;simulation experiment 全预制装配(PC)技术作为一项成熟的混凝土土叠合梁、板,通过预埋件、预留插孔灌浆、...
2011年6月上 施工技术 第40卷第342期 CONSTRUCTION TECHNOLOGY 全预制装配整体式剪力墙结构外墙保温技术研究 汤磊1,郭正兴1,董年才2,陈云钢1 (1.东南大学土木工程学院,江苏南京210096:2.南通建筑工程总承包有限公司,江苏海门226124) [摘要]“构件工厂化生产,施工装配式运作”是预制装配式混凝土结构的两大特点.现有的外墙保温有自保湿、内 保温和外保温3种形式,目前大力推广的是外保温.结合国内预制装配式混凝土结构的几个试点工程外墙外保温 形式,从饰面层、抹面层、保温层、错栓的运用以及防火角度、拼装过程、预制外墙板如何实现与主体结构的同寿命 等几方面述了预制装配式混凝土结构外墙保温技术的发展思路. [关键词]全预制装配整体式剪力墙;外墙保温:保湿层;技术研究 [中图分类号]TU756.4 [文献标识码]A [文章编号]1002-8498(2011)11-0013-03 Exterior Wall Insulation Technology Research of the New Precast Concrete Shear Wall Structure Tang Lei' Guo Zhengxing' Dong Niancai? Chen Yungang' (1.School of Ciuil Engineering Southeast Unicersity Nanyjing Jiangsu 210096 China; 2.Nantong Construction General Contractor Co.Lid.Haimen Jiangu 226124.China) Abstract:Factory production of ponents and assembled operation for construction are characteristics for the new precast concrete structure.At present there are three kinds of exterior wall insulation methods for self-insulation external and internal insulation in which extemal insulation is extensively used.Combined with several exterior wall extemal insulation styles of pilot projects from the aspects of the application of dedicated layer plaster layer insulation layer and anchor as well as anti-fire performance assembling process and how to assure the similar life of precast plate with main structure the development ideas for the new precast concrete shear wall structure are described. Key words:the new precast concrete shear wall;exterior wall insulation;insulatio...
施工技术 2011年6月上 20 CONSTRUCTION TECHNOLOGY 第40卷第342期 全预制装配整体式剪力墙结构墙板 节点抗震性能仿真分析 郭正兴1,董年才2,朱张峰1 (1.东南大学土水工程学院,江苏南京210096;2.南通建筑工程总承包有限公司,江苏海门226124) [摘要]剪力墙与板节点的可靠性是保证板发挥横隔作用,使各剪力墙板、协同工作,形成空问受力体系的关键. 在已完成试验的基础上,结合有限元方法,对可能影响其抗震能力的多种参数,包括剪力墙轴压比,连接钢筋强度、 直径、数量及长度,以及板受力纵筋配筋率等,进行了详细分析和比较.指出全预制装配整体式剪力墙结构墙板节 点的抗震能力主要由连接钢筋的配置情况及其与板扰弯能力的协调作用效果决定. [关键词]全预制装配整体式剪力墙;剪力墙与板节点;抗震性能;有限元分析 [中图分类号]TU756.4;TU311.41 【文献标识码]A[文章编号]1002-8498(2011)11-0020-03 Simulation Analysis on Seismic Performance of Wall and Floor Joint in the New Precast Concrete Shear Wall Structure Guo Zhengxing'.Dong Niancai? Zhu Zhangfeng' (1.School of Civil Engineering.Southeast Unisersity Nanjing Jiangsa 210096 China; 2.Nantong Construction General Contractor Co.Lad.Haimen Jiangsu 226124 China) Abstract:Reliability of shear wall and floor joint is the key for ploor to play transverse partition effect and make coordinated working with shear wall to form spatial force system.On the basis of finished tests and bining with finite element method detailed contrast and analysis has been done on various parameters affecting the joints'seismic capacity including different axial pression ratio of shear wall the strength diameter quantity and length of connection steel bar as well as the reinforcement ratio of floor.It is pointed out that the seismic performance of wall and floor joint for the new precast concrete shear wall structure is decided by the setting situation of connection steel bars and its coordinated working with m...
2012年5月上 施工技术 第41卷第364期 CONSTRUCTION TECHNOLOCY 87 全预制装配整体式剪力墙结构体系空间 模型抗震性能研究 陈锦石,郭正兴2 (1.南适建筑工程总承包有限公司,江苏海门226124; 2.东南大学土木工程学院,江苏南京210096) [摘要]全预制装配整体式剪力墙结构(NPC)是适应我国“建筑工业化、住宅产业化”进程的一种新型结构体系. 对全预制装配整体式剪力墙结构1/2缩尺比例4层空间模型进行了低周反复荷载试验,试验结论如下:试件承载 力及刚度远高于规范要求及设计结果,试件屈服荷载远高于设计地震剪力,试件在中震下保持弹性,同时可满足大 震不倒的设防日标. [关键词]住宅产业化:预制装配整体式剪力墙结构;空间模型;抗震 [中图分类号]TU317 [文献标识码]A [文章编号]1002-8498(2012)09-0087-03 Seismic Performance Study on Space Model of the New Precast Concrete Shear Wall Structure Chen Jinshi' Guo Zhengxing? (1.Nantong Construction General Contractor Co.Lad. Haimen Jiangsu 226124 China; 2.School of Civil Engineering Southeast Unizersity Nanjing Jiangs栋210096,China) Abstract:The new precast concrete shear wall structure (NPC)is a new kind of structure system which adapts to the development of building and residence industrialization.Low-cycle repeated loading test of a 1/2 scale model of four-floor NPC structure is carried out.The test conclusion is that load capacity and rigid of the model is far higher than ones of code requirement and design result yielding load is much higher than design seismic shear and the test specimen also keeps elastic under moderate earthquake condition and meets the prevention requirement of no collapsing under strong earthquake. Key words:residence industrialization;the new precast concrete shear wall structure(NPC);space model:seismic 1结构体系概述 及概念进行加强,存在一定主观性和随意性,制约 对预制装配整体式剪力墙结构体系而言,其特其进一步推广、应用. 征为竖向构件的剪力墙、柱、电梯井采用预制形式, 因此,有必要通过试验了解该结构在地震作用 水平构件的梁、板采用...
施工技术 2010年7月 96 CONSTRUCTION TECHNOLOGY 第39卷第7期 全预制装配整体式剪力墙结构住宅施工技术 张军,侯海泉,董年才,陈洪杰,郭正兴2 (1.南通建筑工程总承包有限公司,江苏南通226124;2.末南大学土木工程学院,江苏南京210096) [摘要]全预制装配整体式剪力墙结构(PC体系)技术是一种新型结构体系,其竖向构件剪力墙、柱采用预制,水 平构件梁、板采用叠合形式;竖向构件连接节点采用浆错连接,水平构件与竖向构件连接节点及水平构件间连接节 点采用预留钢筋叠合现浇连接,形成整体结构体系.以南通市海门中南世纪城33号楼为试点,介绍其施工技术. [关键词]全预制装配整体式剪力墙结构;钢筋混凝土:施工技术 [中图分类号]TU528 [文献标识码]A[文章编号]1002-8498(2010)07-0096-03 Construction Technology on Full-prefabricated Assembly Integral Shear Wall Structure Residence Zhang Jun' Hou Haiquan' Dong Niancai' Chen Hongjie' Guo Zhengxing? (1.Nantong Construction General Contractor Co.Iad.Nantong Jiangsu 226124 China; 2.School of Civil Engineering Southeast University Nanjing Jiangsu 210096 China) Abstract:Full-prefabricated assembly integral shear wall structure is a new kind of structure system i.e. NPC system of which some vertical members such as shear wall and columns are prefabricated and connected by mortar and bolt some horizontal members such beam and floor adopt overlapped style and the connection nodes of horizontal and vertical members or horizontal members is poured on-site with pre- buried steel bar.In this article the authors introduce construction technology of this system used in No. 33 building in Zhongnan Shijicheng project in Haimen Nantong city. Key words:full-prefabricated assembly integral shear wall structure;reinforced concrete;construction technology 1工程概况 点及叠合板混凝土浇筑. 江苏省南通市海门中南世纪城33号楼地下1层,3.2定位放线 地上10层,高32.50m 总建筑面积4556m2 剪力墙结 主控线经校正无误后,采用经纬仪将主控线引测 构.基础及地...
2013年11月上 施工技术 第42卷第21期 CONSTRUCTION TECHNOLOGY 109 D0:10.7672/sgj82013210109 全预制装配式别墅项目结构施工技术* 王力尚,余涛,王建英,朱建潮,姚宏2 (1.中建中东有限公司;2.青岛市建筑工程质量监督站,山东青岛266071) [摘要]通过介绍全预制装配式别墅项目结构施工技术的施工要点、适用范围、工艺原理和流程,阐述了相应的环 保措施、安全措施、质量控制措施等.全预制装配式体系的应用,可节约大量资源,缩短工期、减少现场施工工人和 管理人员,取得了良好的经济和社会效益. [关键词]混凝土;别墅;全预制装配式;施工技术 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2013)21-0109-04 Structural Construction Technology for Prefabricated Villas Projects Wang Lishang' Yu Tao' Wang Jianying' Zhu Jianchao' Yao Hong (1.China State Construction Engineering Corporation Middle East L.L.C.; 2.Qingdao Construction Engineering Quality Supervisory Station Qingdao Shandong 266071 China) Abstract:This paper introduces the structural construction technology of prefabricated villas projects including key points of construction scope of application process principle and procedures.It illustrated the corresponding measures in environment protection safety and quality control.Using the prefabricated systems can save a lot of resources reduce the construction period and reduce the number of workers and management staffs on site especially achieving greater economic and remarkable social benefits. Key words:concrete;villas;prefabricated;construction 0引言 承包商的压力. 当大批建设相同或类似户型的建筑物或建筑 3)通过对构件模板的构造设计,易实现建筑物 物中大量重复出现规格相同的建筑构件时,如户型 外表面凹陷花纹等特色设计风格. 简单、单一的别墅群项目建设,在设计、施工过程中 4)预制构件完成面光洁美观,如室内墙面可直 采用预制构件体系,能够实现预制构件场外批量工 接上漆,省去砌筑、抹灰等工序的同时能够增加室 厂化生产,大幅节省工程建设工期和现场劳动力等 内实际使用面积. 资源投人,取得节省工程造价的效果.近年来建筑 5)预制构件可以在远离现场的工厂车间完成, 市场扩展迅速,大规模别墅群建设项目层出...