2013年9月上 施工技术 第42卷第17期 CONSTRUCTION TECHNOLOGY 121 D0I:10.7672/sgj82013170121 曲靖体育场钢屋盖安装过程及模拟分析* 何荣,周锋,童乐为,陈以一1,朱文伟2 (1.同济大学土木工程学院,上海200092;2.云南建工钢结构有限公司,云南昆明650224) [摘要]曲靖体育场钢屋盖为大跨悬挑管桁架结构,采用“地面拼装成段、跨外分段吊装、高空对接合龙”的施工工 艺.钢屋盖结构受安装路径效应影响较大,故采用SAP2000非线性施工模块按实际逐福安装平面桁架模拟安装过 程.研究表明,大部分构件应力比集中在0~0.1,具有富足的施工安全储备;钢屋盖的“X”形单元在安装过程中的 相对独立性较好,冬季降温对体育场施工影响不大. [关键词]安装;钢结构;施工效应;模拟 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2013)17-0121-05 Simulation Analysis and Erection Process of the Steel Roof for Qujing Stadium He Rong' Zhou Feng' Tong Lewei' Chen Yiyi' Zhu Wenwei (1.College of Civil Engineering Tongji University Shanghai 200092 China; 2.Yunnan Construction Engineering Steel Structure Co. Ld.Kunming Yunnan 650224 China) Abstract:The steel roof of Qujing Stadium is a large-span suspended pipe truss structure.The structure was assembled into segments hoisted outside the plan and closed in the air.The impact of process can't be neglected so the erection process was simulated and analyzed by SAP2000.Simulation on every installation step of plan truss agrees with actual situation.The result shows that the stress ratio of most members is between 0 and 0.1.The“X"structure unit is relatively independent to each other.The low temperature in winter has little influence on the construction. Key words:installation;steel structures;construction effect;simulation 国家体育中心“鸟巢”为我国复杂大跨钢结构 施工过程模拟分析是重大项目制订合理施工 提供了丰富的设计和施工经验,同时随着各类大跨方案的重要依据,是施工安全的可靠保证.曲靖市 体育场的涌现,施工人员对施工技术和施工过程中 体育中心为2014年第十四届云南省运动会主体育 体现出来的诸多技...
2014年10月下 施工技术 第43卷第20期 CONSTRUCTION TECHNOLOGY 43 D0I:10.7672/sgjs2014200043 曲靖体育中心体育场大悬挑空间管桁架施工技术 龙期亮1,梁德初2,黄锡山1,胡勇3 (1.广西建工集团第三建筑工程有限责任公司南宁分公司,广西南宁530000;2.广西建工集团第三建 筑工程有限责任公司,广西柳州545000;3.云南建工钢结构有限公司,云南昆明650000) [摘要]曲靖体育中心体育场屋面罩棚钢结构为大悬挑空间管桁架结构,悬挑长度达29-46m 以其主体管桁架结 构施工为研究对象,结合施工现场情况和工程特点,从施工总体规划、施工区域的划分、施工方法的选择、吊装设备 的选择等方面,对大悬挑空间管桁架结构施工技术进行了分析研究,解决了大悬挑空间管桁架结构吊装施工和安 装的问题,为工程的顺利进行提供技术保障. [关键调]体育场;悬挑结构;管桁架;吊装;施工技术 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2014)20-0043-05 Construction of Large Cantilevered Space Tube Truss Structure of Qujing Sports Center Stadium Long Qiliang' Liang Dechu2 Huang Xishan' Hu Yong' (1.Guangxi Construction Engineering Group the Third Construction Engineering Company Nanning Branch Nanning Guangxi 530000 China;2.Guangxi Construction Engineering Group the Third Construction Engineering Company Liuzhou Guangxi 545000 China;3.Yunnan Construction Engineering Steel Structure Co. Lad.Kunming Yunnan 650000 China) Abstract:The steel roof structure of Qujing Sports Center Stadium is large cantilevered spatial tube truss whose cantilevered length is 29 ~46m.Taking its main tube truss structure construction for example bined with the construction site conditions and engineering features from the construction master plan the construction division of the region the construction method choice the lifting equipment choice etc. the spatial tube truss construction were analyzed to solve the hoisting and installation problems. Key words:stadiums;cantilevered stru...
施工技术 2017年4月下 94 CONSTRUCTION TECHNOLOGY 第46卷第8期 D0I:10.7672/sgjs2017080094 日照机场航站楼钢屋盖施工技术 陈斌1,樊文杰2,郭文豪3,徐军4,黄斌 (1 湖南大学土木工程学院,湖南长沙410082:2.浙江精工钢结构集团有限公司,浙江绍兴312030; 3.武汉理工大学土木工程与建筑学院,湖北武汉430070;4.唐山泰达建筑安装工程有限公司,河北唐山063000) [摘要]日照机场航站楼钢屋盖跨度大,构件类型多,结构形式复杂,整体为倒三角形桁架结构形式,局部采用型钢 梁柱结构.钢屋盖结构安装采用在厂内加工制作基本构件并拼装为运输分段,然后在现场拼装为吊装单元进行吊 装,吊装单元高空对接精度要求高,施工难度大.基于工程特点,对施工难点进行分析,提出了相应的解决措施,介 绍了拼装胎架体系和临时支撑体系的合理设置、钢屋盖结构吊装方案的合理选取以及桁架和钢梁分段拼装、分段 吊装的施工技术措施. [关键词]安装工程;屋盖;拼装;吊装;支撑体系;施工技术 [中图分类号]TU758.11 [文标识码]A [文章编号]1002-8498(2017)08-0094-04 Construction Technology for Steel Roof of Rizhao Airport Terminal Building CHEN Bin' FAN Wenjie2 GUO Wenhao' XU Jun'.HUANG Bin' (1.College of Civil Engineering Hunan University Changsha Hunan 410082 China;2.Zhejiang Jinggong Steel Building Group Co. Lid.Shaoxing Zhejiang 312030 China;3.School of Civil Engineering Architecture Wuhan University of Technology Wuhan Hubei 430070 China:4.Tangshan Teda Construction Installation Engineering Co.Lid Tangshan Hebei 063000 China) Abstract:Steel roof of the Rizhao airport terminal building with big span ponent types plicated structure form is an inverted triangle truss structure form in a whole the steel beam structure is used in some parts.Installation of steel roof structure adopted in factory processing production and assembly of basic building blocks for the transportation segment and then assembled at the scene of the lifting unit for hoisting.The lifting unit altitude docking accuracy requirement is high and the ...
2012年2月上 施工技术 第41卷第358期 CONSTRUCTION TECHNOLOGY 15 日本某公司总部大楼采光设计 杨熹微,长谷川严 (株式会社日建设计,日本东京102-8117) [摘要]日本某公司总部大楼在建筑设计中,光作为主要的节能环保课题.通过彻底减少负荷,充分利用建筑所在 地丰富的天然能源,通过增强建筑明亮感和整体辐射程度以追求建筑使用的舒适度和节能效果,同时注重建筑空 间设计及采取其他措施,达到建筑节能的目的. [关键词]绿色建筑;采光系统;天然能源;设计 [中图分类号]TU201.6 [文献标识码]A[文章编号]1002-8498(2012)03-0015-04 Lighting System Design of the Headquarter Building of Some Company in Japan Yang Xiwei Hasegawa lwao (NIKKEN SEKKEI Tokyo Japan 102-8117) Abstract:Lighting is the main energy-saving and environment protection subject in architecture design of the headquarter building of some pany in Japan.Some measures are taken to gain the building energy-saving goal including adequately using the rich local natural energy source strengthening building bright and whole radiation to satisfy fortable sense and energy-saving effect of building as well as paying attention to building space design and taking other energy-saving measures. Key words:green buildings;lighting system;natural energy source;design 1建筑概况 本设计对象为日本某电气D公司的新总部大 楼(见图1),该公司是一家立足长野县从事信息服 务业务的公司.本项目通过“充分利用长野县丰富 的天然能源”、“促进沟通与交流,成为工作人员舒 适办公、提高知识产能的办公场所”等课题的攻关, 力求成为中小规模建筑的领先环保办公建筑的典 范.本项目设计中,光作为主要的节能环保课题. 1.1彻底减少负荷 本设计中并非对使用人员提出强制性运行以 及降低使用的舒适程度,而是将“无意识性的节能” 措施有计划地融人到建筑之内.通过注重建筑的 方位设计以加强建筑的隔热性能和遮光效果,在提 高建筑明亮感的前提下设定较低照度,以及通过完 围1日本某公司总部大楼 善建筑整体散热环境来调整平衡设定温度. Fig.1 Headquarter building of some pany in Japan 1.2通过增强建筑明亮感和整体辐射程度以追求 建筑使用的舒适度和节能效果 本设计中没有沿用原来固有的设定温度湿度, 保证座位照明的方式,而是充分利用建筑使用人员 [收稿日期]2011-12-10 【作者简介]杨裹微,株式会社日建设计设计部门设计部主任,东...
2012年11月上 施工技术 第41卷第376期 CONSTRUCTION TECHNOLOGY 43 日本建筑垃圾资源化对我国的启示 蒲云辉,唐嘉陵2 (1.重庆大学建筑管理与房地产学院,重庆400044; 2.西安建筑科技大学环境与市政工程学院,陕西西安710055) [【摘要]随着城市化进程加快,建筑垃圾已经成为城市化发展亟待解决的问题.通过分析国内建筑垃圾资源化的 现状,结合目本建筑垃圾资源化的过程,从宏观法律手段和微观的技术手段两方面分析制约建筑垃圾资源化的因 素,进而提出推动我国建筑垃圾资源化处理的对策. [关键调]建筑节能;建筑垃圾;回收;可重用性 [中图分类号]TU5;X799.1 [文献标识码]A [文章编号]1002-8498(2012)21-0043-03 Enlightenment of Japan's Construction and Demolition Waste Reclamation to China Pu Yunhui' Tang Jialing (1.School of Construction Management and Real Estate Chongqing University Chongging 400044 China; 2.School of Environmental and Municipal Engineering Xi'an University of Architecture and Technology Xi'an Shaanxi 710055 China) Abstract:With the process of urbanization construction waste has bee a key problem that has to be solved.With reference to the construction waste reclamation procedure in Japan this paper viewed the current situation of construction waste recycling analyzed the factors restraining construction wastes from being recycled from macroscopic aspect of legal provisions and microscopic aspect of technologies and proposed corresponding suggestions to push forward China's construction waste reclamation. Key words:building energy-saving;construction waste;recycling;reusability 随着城市化进程加快,新改建项目增多,建筑本称之为“建筑副产物”,包括再生资源和废弃物两 垃圾大量产生,据统计每年我国产生约15.5亿t 并类.建筑垃圾成分较为复杂,分类回收是垃圾高效 逐年增长,预计到2020年将达50亿t左右m.绝 处理的前提,日本对建筑垃圾分类如图14所示. 大部分建筑垃圾未经处理,就被运往郊外或农村进 一直接可作原材料:建设工程排土 行露天堆放或直接填埋.建筑垃圾侵占土地,污染 再生资源 建筑 可能作原材料丁→沥青混凝土块 水体、大气和土壤,影响市容和环境卫生,已经成为...
施工技术 2011年6月上 66 CONSTRUCTION TECHNOLOGY 第40卷第342期 施工过程中柱轴压作用对开洞 薄板墙的受力影响分析 兰涛,郭彦林2,郝际平1 (1.西安建筑科技大学土木工程学院,陕西西安710055;2.清大学土木水利学院,北京100084) [滴要]我国现阶段采用薄钢板剪力墙体系的大多数建筑均果用薄钢板剪力墙仅承受侧向水平荷载的设计理念, 在设计中未考虑内填板的安装与结构主体同步或稍沛后安装而产生的轴向预压力作用的影响.研究指出在施工 状态下开润薄板墙外边柱的最大层间压缩比约为1/500,以此为依据建立有限元模型,通过内填板有、无预压力两 种情况的荷载位移曲线的比较发现,由施工顺序不同引起预压力作用对开润薄板墙受力性能的影响较小.以开中 洞薄板墙为例建立一单福12层有限元模型,考虑由于施工顺序的不同引起的轴向预压力对开洞薄板墙的影响,进 行罕遇地震的时程分析.分析结果表明,结构最大侧向位移与层间位移角均满足设计要求. [关键词]开洞薄板墙;施工过程模拟;轴压作用;层压缩比;初始缺陷 [中图分类号]TU391.9 [文献标识码]A [文章编号]1002-8498(2011)11-0066-05 Effects on Structural Behavior of Steel Plane Shear Wall (SPSW)with Opening Considering Axial Compression of the Column During Construction Lan Tao' Guo Yanlin2 Hao Jiping' (1.Scool of Ciwil Engineering Xi'an University of Architecture and Technology Xi'an Shaanxi 710055.China: 2.School of Cisil Engineering Tsinghua University Beijing 100084 China) Abstract:With the design concept that SPSW only resisting lateral horizontal load pre-pressure produced in most buildings of SPSW in our country for the filling plates installed in the same time with main structure or lagged slightly which might cause considerable effects on the loading ability of thin wall is ignored in design.The authors focuse on the influence of axial load on the performance of SPSW.Firstly under the state of construction the maximum interlayer pression ratio of 1/500 of outside frame column in SPSW with opening is gained through detailed theoretical analysis.Based on that finite element models ar...
2016年7月上 施工技术 第45卷第13期 CONSTRUCTION TECHNOLOGY 105 D0I:10.7672/5j52016130105 施工横通道内盾构解体平移吊出研究 郭建涛 (中国建筑股份有限公司技术中心,北京101300) [摘要]以北京地铁16号线苏州街站一苏州桥站区间为工程背景,针对国内地铁建设中采用盾构法施工时,因交 通繁忙、市政管线改移困难等导致无盾构接收井施作场地的情况,对利用施工横通道接收盾构,再将其平移至可接 收场地处吊出的施工方案进行了研究.对盾构利用施工横通道整体平移吊出和拆解后平移吊出2种方案进行综 合对比,并向多家有盾构施工经验的施工单位进行调研和咨询,最终确定了盾构在横通道内拆解平移吊出为合理 的接收方案,并确定了相应的竖井及横通道尺寸,并对盾构利用施工横通道拆解吊出的步骤及相应措施进行了 闸述. [关键词]地铁;盾构;施工横通道;解体 [中图分类号]TU375.4 [文献标识码]A [文章编号]1002-8498(2016)13-0105-04 Research on the Disassembly and Translation Hoist of Shield in the Tunnel Construction Channel Guo Jiantao China State Construction Engineering Co.Lsd.Technology Center Beijing 101300 China) Abstract:During the tunnel construction in urban area due to the heavy traffic and the difficulty of move municipal pipelines there is always no space to install the shield arriving shaft.Based on the engineering background for the tunnel construction of Beijing Metro Line 16 between Suzhoujie Station and Suzhougiao Station research on the construction scheme that using cross channel to receive shield and then translation and hoist out from receiving place.It makes a prehensive parison between the two schemes.According to the investigation and consultation the second scheme was adopted.The reasonable size of the shaft and cross channel was selected and the steps and measures of this scheme were described in this paper. Key words:subways;shields;cross duct;break up 0引言 后平移到路侧空地的竖井处吊出的方法研究显得 盾构施工包含始发、掘进、接收3个施工步序, 非常重要,目前国内尚无相关研究,本工程以北京 其中,...
2010年1月 施工技术 第39卷第1期 CONSTRUCTION TECHNOLOGY 25 斯托克曼商业中心逆作施工格构柱安装定位技术 贺小村,李钟,薛刚,朱燕,梁尔军 (中国建筑一局(集团)有限公司,北京100161) [摘要]圣彼得堡斯托克曼商业中心地下4层,采用逆作法施工,其一柱一桩格构支撑柱的定位和垂直度控制是桩 基施工重点和难点.鉴于钢格构柱断面尺寸大、刚度较大,选用校正架法定位调垂技术,并进行改进,选用钢筋混 凝土导墙代替校正架.指出了其施工设计、施工工艺及特殊技术要求.实践证明,该技术造价低、施工方便且节省 时间,采用该技术满足支撑柱作为永久结构的精度要求. [关键词]地下工程;逆作法;格构柱;校正架;定位;调垂 [中图分类号]TU942[文献标识码]A [文章编号]1002-8498(2010)01-0025-03 Lattice Column Installation and Location Technology in Stockmann Nevsky Center Using Top-down Construction Method He Xiaocun Li Zhong Xue Gang Zhu Yan Liang Erjun China Construction First Building Group)Co. Lad.Beijing 100161 China) Abstract:Top-down construction method is adopted in Stockmann Nevsky Center in St.Petersburg and location and verticality of supporting lattice column are important and difficulty points of the project.In view of the lattice column has large section and rigidity authors select calibration frame method to locate the column and adjust verticality where they use reinforced concrete guide wall instead of calibrated mount.Construction design construction technology and special requirements on technology are proposed.It proves that calibration frame method has advantages of low cost convenient construction and short construction time and precision of supporting column as permanent structure can be ensured. Key words:underground engineering;top-down construction method;lattice column;calibration frame; location;verticality adjusting 逆作法施工过程中,作为竖向支撑的格构柱分为为9900m2.地下室层高3m 采用逆作法施工,首先施 两种:一种是以...
施工技术 2010年1月 22 CONSTRUCTION TECHNOLOGY 第39卷第1期 斯托克曼商业中心流塑状软土地层灌注桩施工技术 李钟,贺小村,王剑峰,马宁,孙康 (中国建筑一局(集团)有限公司,北京100161) [摘要]斯托克曼商业中心位于圣彼得堡市中心,其地基土层为流塑状淤泥质软土,且地下水位较高.钻孔灌注基 础桩施工时,采用其有环保优点的旋挖钻机全套管跟进钻孔施工工艺,总结套管安装、成孔、清孔、钢筋笼吊装、水 下混凝土浇筑等施工措施.结合地质条件,在半硬质、硬质黏土中钻进不使用护筒、部分桩果用一半高度护筒加泥 浆护壁.全护简旋挖钻机钻孔施工技术工期短,保证了软土条件下施工安全,成孔及成柱质量高. [关键词]基础工程;燕注桩;流塑性软土;旋挖钻机;施工技术 [中图分类号]TU753.3 [文献标识码]A[文章编号]1002-8498(2010)01-0021-03 Construction Technology of Bored Piles in Plastic Soft Soil of Stockmann Nevsky Center Li Zhong He Xiaocun Wang Jianfeng Ma Ning Sun Kang (China Construction First Building Group)Co.Ltd.Beijing 100161 China) Abstract:Stockmann Nevsky Center locates in the center of St.Petersburg and the foundation is in plastic soft soil with rather high underground water level.During construction of bored piles the engineers adopt environment-friendly construction technology of rotary drilling rig with full casing. Construction technologies of casing installation holes forming holes cleaning reinforcement eage hoisting and pouring of underground concrete are introduced.According to geological conditions holes can be made without casing or with half height casing and protect wall with slurry.The construction technology of rotary drilling rig with full casing can ensure construction safety in soft soil and quality of pile hole with short construction time. Key words:foundation engineering;bored pile;plastic soft soil;rotary drilling rig;construction technology 在工程基础中钻孔灌注桩已被广泛应用,尤其是 房屋建筑、水工建筑、桥墩基础施工,具有施工简...
2010年1月 施工技术 第39卷第1期 CONSTRUCTION TECHNOLOGY 33 斯托克曼商业中心土胎模冬期施工技术 王剑峰,焦润明,贺小村,李钟,王建春 (中国建筑一局(集团)有限公司,北京100161) [摘要]圣彼得堡斯托克曼商业中心在冬期逆作施工中采用土胎模技术.在实际施工过程中,采用电阻丝对楼板 混凝土进行加热,保湿被覆盖、保温棚保温,以满足混凝土浇筑条件,并为后续混凝土养护提供条件,混凝土浇筑后 养护时及时测温.通过计算混凝土水化热确定最终黏土温度.指出土胎模冬期施工工艺及注意事项.地下1层 开挖完成后,果用土胎模法完成的混凝土顶板符合设计及当地规范要求. [关键词]基础工程;逆作法;冬期施工;土胎模;施工技术 [中图分类号]TU753.1 [文献标识码]A[文章编号]1002-8498(2010)01-0033-03 Winter Construction Technology of Soil Mould in Stockmann Nevsky Center Wang Jianfeng Jiao Runming He Xiaocun Li Zhong Wang Jianchun China Construction First Building Group)Co.Ltd.Beijing 100161 China) Abstract:Soil mould technology is adopted in winter construction of Stockmann Nevsky Center in St.Petersburg.Concrete slabs are heated by resistance wire and coated with heat preservation quilt and shed to provide conditions for concrete pouring and curing.Moreover concrete temperature is monitored in time during curing.Authors decide temperature of clay through calculating concrete hydration heat. Furthermore construction technology and attention points of winter construction of soil mould are proposed.After excavation of first underground floor the quality of concrete floor can satisfy requirements of design and local standard. Key words:foundation engineering;top-down construction method;winter construction;soil mould; construction technology 土胎模法用成型的土(岩)层全部或部分代替现 浇混凝土的支架、模板进行施工.土胎模在常规施工 中应用较少,常用于“逆作法”及“半逆作法”施工中, 其施工简便、快捷,并可大幅度降低工程造价. 1工程概况 圣彼得堡斯托克曼商业中心项目位于圣彼得堡市 莫斯科火车站对面,地处最繁华的商业区涅瓦街东端 图1项目位置示意 (见图1).该项目...
2013年4月上 施工技术 第42卷第7期 CONSTRUCTION TECHNOLOGY 53 D0I:10.7672/sgjs2013070053 排桩钢支撑支护结构位移和弯矩分析研究 艾晓辅1,付涛,刘永亮,池秀文2,罗志刚1 (1.北京地矿奥通建设工程有限公司,北京100093;2.武汉理工大学资源与环境工程学院,湖北武汉430070) [摘要]以武汉阅马场首义广场隧道工程为依托,以排桩钢支撑支护结构为主要研究目标,采用解析法和数值模 拟法对该工程中的排桩钢支撑支护结构的位移变形和弯矩进行模拟计算,并与实测位移进行比较.对比分析计 算结果,研究分析了排桩钢支撑支护结构在基坑开挖过程中桩身侧向位移和受力弯矩的分布规律及特点. [关键词]隧道工程;支护;排桩;钢支撑;位移;弯矩 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2013)07-0053-05 Analysis for Displacement and Bending Moments of Row Piles and Steel Supports Ai Xiaofu' Fu Tao' Liu Yongliang' Chi Xiuwen2 Luo Zhigang' (1.Beijing Aotong Engineering Co. Lid.Beijing 100093 China;2.College of Resources and Enrironmental Engineering. Wuhan University of Science and Technology Wuhan Hubei 430070 China) Abstract:Based on the cut-cover tunnel project in Shouyi Square of Wuhan focusing on supports structure of row piles and steel supports this paper adopts the analytical method and numerical simulation to calculate the deformation and stress of the supports structure in the project.Meanwhile this paper conducts a parative analysis of the results and concludes the pattern and characteristics of the displacement deformation and bending moments of the supports structures in deep foundation excavation. Key words:tunnels;supports;row piles;steel supports;displacement;bending moment 随着城市建设的不断发展,隧道基坑的开挖和通过曲线拟合根据实测位移曲线得到曲率,得出计 支护技术得到了前所未有的广泛应用.由于隧道算支护结构弯矩的合理估算方法.吴小将等依 基坑工程多建在建筑密集或交通密集的市中心,交据实测测斜曲线,建立了一种在不需要知道钢筋应 通环境复杂,对基坑支护的安全性提出了较高要 力情况下就能估算弯矩的简便方法.刘国彬等 求.如何在基坑开挖过程中获取支护结构...
2016年1月下 施工技术 第45卷第2期 CONSTRUCTION TECHNOLOGY 101 D0I:10.7672/sgs2016020101 拼装式铝合金单边支模施工技术 梁海波,姜冲2,黄贵,范育辉2,韦志亚1 (1.中国建筑第八工程局有限公司广西分公司,广西南宁530300; 2.中铁隧道集团四处有限公司,广西南宁530007) [摘要]拼装式铝合金单边支模具有质量轻、强度高、环保、回收利用价值高等优点.结合技术特点,重点介绍了拼 装式铝合金单边支模的组成和施工工艺.指出拼装式铝合金单边支模体系由侧墙模板、预埋系统、支撑架体3部 分组成,分别阐述了各体系规格配置及工作原理等. [关键词]模板;铝合金模板;单边支模;拼装;施工技术 [中图分类号]TU755.2 [文献标识码]A [文章编号]1002-8498(2016)02-0101-04 Construction of the Assembled Aluminum Alloy Single Side Formwork Liang Haibo' Jiang Chong Huang Gui' Fan Yuhui Wei Zhiya' (1.China Construction Eighth Engineering Division Co.Ltd.Guangxi Branch Nanning Guangxi 530300 China; 2.Sichu Co. Ltd.China Railway Tunnel Group Nanning Guangxi 530007 China) Abstract:The assembled aluminum alloy single side formwork has the advantages of light quality high strength environmental protection high recovery and utilization value and so on.According to these characteristics of the assembled aluminum alloy single side formwork the position and construction technique is introduced in detail.It is pointed out that this system is posed of sidewall formwork embedded structure and supports.The specification configuration and work principle is described separately. Key words:formwork;aluminum alloy formwork;single side formwork;assembly;construction 1单边支模特点 绿色环保建材,在使用过程中,可减少大量噪声的产 单边支模的种类多,大钢模配合钢支撑是最常 生;同时在工程施工完成后,其铝材可回收利用,回收 用的单边支模方式,工艺成熟,施工范围广.但随 价值高;④施工效率高,组装方便,拼装速度快、质量 着新材料新工艺的发展,这种传统工艺越来越不能 有保证,也可提前拼装好运至现场施工;⑤适用范围 适应新形势的发展.寻求新的材料来代替传统材 广本方法适用于地下单边支模结构,也可用于 料施工是...
施工技术 2013年2月上 4 CONSTRUCTION TECHNOLOGY 第42卷第3期 D01:10.7672/sgjs2013030004 我国绿色建筑项目的风险影响分析* 万欣1,秦旋2,李启明1 (1 东南大学土木工程学院,江苏南京210096;2.华侨大学土木工程学院,福建厦门361021) [摘要]风险影响分析是工程项目风险评价的重要方面.首先,从多个维度分析绿色建筑的内涵,并考虑绿色建筑 的长期贡献和长期效益建立绿色建筑目标体系的理论模型;其次,从内在属性和国内宏观环境两个角度,对绿色建 筑的风险特性进行剖析,进一步对识别的绿色建筑风险因素进行归纳,构建绿色建筑的风险层级;最后,按风险层 级和绿色建筑的参建主体,对风险因素如何影响绿色建筑目标的实现作了一系列分析. [关键词]绿色建筑;目标体系;参建主体;风险影响;风险管理 [中图分类号]TU201.5 [文献标识码]A [文章编号]1002-8498(2013)03-0004-07 Risk Impact Analysis of Green Building Projects in China Wan Xin' Qin Xuan? Li Qiming' (1.College of Ciuil Engineering Southeast University Nanjing Jiangsu 210096 China: 2.College of Civil Engineering Huagiao University Xiamen Fujian 361021 China) Abstract:Risk impact analysis is an important part of risk evaluation.Firstly the connotation of Green Building (GB)was studied from multiple dimensions and a theoretical model of GB objective system was built considering GB's long-term contributions and benefits.Secondly the risk characteristics of GB were dissected from the perspective of intrinsic attributes and domestic macro-environment.The identified GB's risks were summarized and a risk hierarchy was structured.At last a series of analyses on how the risk factors affect the achievement of GB objectives were conducted with respect to different risk levels and GB participants. Key words:green buildings;objective system;participant body;risk impact;risk management 0引言 建筑的基本原理、风险特性以及风险影响进行深入 绿色建筑在能源危机、环境污染的背景下成为 探讨和分析,提高参建者对绿色建筑风险的认识, 世界主要发达国家及发展中国家力推的建筑模...
施工技术 2010年3月 26 CONSTRUCTION TECHNOLOGY 第39卷第3期 我国木胶合板模板的发展及主要问题 糜嘉平 (中国模板协会,北京100088) [摘要]提出目前多种模板并存是模板施工的发展方向.指出木胶合板模板能够高速发展的原因,是因为我国重 视植树造林,而且启动了速生丰产林工程;另外指出我国木胶合板模板存在的主要间题:产品质量和档次较低,木 材资源浪费严重;生产工艺和设备落后,技术与管理水平低;木胶合板厂家过多,生产规模小等.提出了制定有效 措施,开展节木代用;加强科技创新,提高木材利用率等技术施,积极引导木胶合板模板健康发展. [关键词]木胶合板;模板;发展;主要问题 [中图分类号]TU755.2 [文献标识码]A[文章编号】1002-8498(2010)03-0026-03 Development and Main Problems of Domestic Wood Plywood Formwork Mi Jiaping (China Formwork Institute Beijing 100088 China) Abstract:The development direction for formwork construction is of coexistence with some kinds of formwork.It is pointed out that paying attention to afforestation and starting rapid wood engineering are reasons for impelling rapid development of wood plywood formwork.Furthermore the problems existed in wood plywood formwork are put forward including low quality and level terrible waste for wood resource lagging production technique and equipment low technology and management level as well as many factories of wood plywood but small production scale.In order to solve these problems measures are indicated which are making effective method and developing wood replacement strengthening science and technology innovation and improving utilization ratio of wood. Key words:wood plywood;formwork;development;main problem 近年来,我国许多城市的建筑施工中,已大量采用2木胶合板模板高速发展的原因 木胶合板模板,发展速度十分惊人,在建筑施工中的应 随着我国天然林面积日益减少,20多年前,曾有 用量已超过组合钢模板和竹胶合板模板.由于我国木专家预测木胶合板生产将是无米之炊,在制订“十五” 材资源贫乏,木胶合板模板的大量应用造成木材资源和“十一五”规划时,木胶合板曾被列为限制发展的产 浪费严重.因此,我国对推...
2012年3月下 施工技术 第41卷第361期 CONSTRUCTION TECHNOLOGY 43 我国建筑铝模板产业的崛起对绿色施工的推动作用 仇铭华 (中国基建物资租赁承包协会,北京100834) [摘要]遵循《绿色施工导则》,通过对建筑铝模板与建筑工程中广泛采用的木(竹)胶合板模板和钢模板的材料性 能、制造和应用成本,以及应用效果的分析对比,得出结论:建筑铝模板是一种可周转使用300次以上、有较高残 值、可再生使用的低耗、环保、经济实用的绿色建材,在绿色建筑施工中有极其重要的地位.根据国外广泛应用状 况和国内逐渐增长的应用趋势,可以预测建筑铝模板在我国今后的建筑工程中将会有较大增长,特别是在超高层 建筑施工工程中,更会得到普遍的推广应用. [关键词]模板;铝模板;绿色建筑;绿色施工 [中图分类号]TU755 [文献标识码]A [文章编号]1002-8498(2012)06-0043-05 Promoting Role of Aluminum Formwork Industry Rising for Green Construction in China Qiu Minghua China Construction Material Rental Contractor Association Beijing 100834 China) Abstract:Following the guide of green construction by analyzing and paring the material properties manufacture cost and effect of aluminum formwork with wood bamboo)plywood and steel formwork widely used in construction it can be concluded that the aluminum formwork is a turnaround of more than 300 times.It has a higher residual value.It is reusable and green material of environment protection.It has extremely important position in the green construction.Through extensive application status abroad and domestic gradual trends it can be predicted that the aluminum formwork construction projects will have a greater growth in the future especially in high-rise building construction projects and it will have widely promote application. Key words:formwork;aluminum formwork;green buildings;green construction 1铝模板产业崛起的背景 术.采用铝模板技术是符合我国“以钢代木”和《建 当前,我国处于城市化快速发展阶段,城镇住筑业1项新技术》政策,符合低碳节能减排和绿色 宅建设任务繁重.高层和超高层建筑都是以钢筋 施工...
施工技术 2017年1月下 98 CONSTRUCTION TECHNOLOGY 第46卷第2期 D0I:10.7672/5gj2017020098 我国建筑模板产品现状与展望 高峰,石亚明 (中国模板脚手架协会,北京102200) [摘要]介绍了我国模板主要产品的发展历程,通过对模板产品的论述,指出了模板主要产品各自的特点,并提出 了模板产品今后发展的建议. [关键词]模板;组合式模板;铝合金模板;现状;发展;建议 [中图分类号]TU755.2 [文献标识码]A [文章编号]1002-8498(2017)02-0098-04 Present Situation and Prospect of Building Formwork Products in China Gao Feng.Shi Yaming China Formwork and Scaffold Association Beijing 102200 China) Abstract:The development process of the main products of our country is introduced.Through the discussion of the template products the characteristics of the main products are pointed out and some suggestions for the future development of the products are put forward. Key words:formworks;bined formworks:aluminum alloy formworks;current situation; development;suggestions 1我国模板产品的发展概况 简单粗放走向“环保、简便、质优”的发展之路,现在 建国初期,国内模板一片空白,各类建设中所 模板产品及技术已经向国际先进水平看齐,在很多 需的模板较少,质量要求不高,多以木板、木方为模 细节上,国内模板产品也有独到之处.当前以组合 板,经简单拼合,形成所需的模板结构,成型的构件 钢模板为主的格局已经打破,形成各种模板产品共 表面质量差,但基本满足当时的需求.20世纪80 存、各领风骚的形势. 年代我国组合钢模板研制成功,在全国范围内迅速 2模板产品分类 得到大量推广应用.随着我国各类建筑大量兴建, 模板产品基本可分为2类,按材料来分有木、竹 组合钢模板由于单块面积小,组拼板面的拼缝多, 胶合板模板,钢模板,塑料模板,铝合金模板,混凝 已经不能满足清水混凝土工程的要求.20世纪90 土模板等.按施工工艺来分有组合式模板、大模 年代,各地高层建筑如雨后春笋般破土而出,现浇 板、台模、桥梁模、隧道模、爬模、滑动模板等. 剪力墙结构成为这个时期的主旋律,拼装式全钢大 组合式模板可分为模块组合和材料组合,其中 模板应运而生,以其组合面积大、结构刚度好、表面 模块组合模板有组合钢模板、组合塑料模板、组合 平整度高等优势得到了用户的青睐.2000年以后, 铝合金模板;材料组合模板有钢(铝)框胶合板模板 竹胶合板模板和木胶合板模板研制开发成功,很快 和钢(铝)框塑料模板. 在各种建筑工程中大量应用.2005年前后,通过借 3主要模板产品简介 鉴国外先进技术,使塑料模板在材料选用、产品性 随着混凝土施工技术的发展,现场施工机械的 能、产品设计、工程应用等方面有了较大发展.2010...
[关键词]隧道工程;盾构;砂卵石地层;进仓技术;加固;注浆 [中图分类号】U455[文献标识码]A[文章编号]1002-8498(2017)01-0061-05 Chamber-entering Technology of Slurry Shield in High Permeability SandyCobbleStratumUnder theWorkingPressure or NormalPressure Wang Huiwu', Guo Jianning',Dai Bing²,Fang Yong' (1.Key Laboratory ofTransportation Tunnel Engineering,Ministry of Education,Southwest Jiatong Unitersity, Chengdu,Sichuan 610031,China; 2. China Railway 16th Group Co.,Ltd.,Beijng 100018,China) Abstract;High permeability sandy cobble stratum had properties of high porosity, strong permeability, high water content, high gravel strength and so on. When the shield machine drove in this stratum, its cutters and cutter head were worn seriously. In order to ensure the safe of excavation, checking and replacing the cutters by entering into chamber frequently was necessary.Based on engineering practice, the authors took beneficial tests to chamber-entering technology of slurry shield in high permeability sandy cobble stratum under the working pressure or normal pressure which finally resulting in success and relating integrated techniques. Key words: tunnels; shields; sandy cobble stratum; chamber-entering technology; reinforcement;grouting 0引言影响了施工进度。
施工技术 2017年3月上 48 CONSTRUCTION TECHNOLOGY 第46卷第5期 D01:10.7672/sgjs2017050048 强夯置换法在桩基纠偏中的应用 杨建华1,彭从文2 (1.江苏城乡建设职业学院土木工程系,江苏常州213147;2.长江大学城市建设学院,湖北荆州434023) [摘要]强夯置换法在软弱地基加固中得到广泛应用,如何应用其挤密效应进行桩基纠偏未见报道.以某高边坡 桩柱式挡土墙为背景,介绍采用强夯置换法进行桩基纠偏的处理方案、参数估算方法及施工质量控制要点等.实 践表明,在周边环境条件允许的情况下,只需要合理设置碎石约束墙体,就可以得到较好的纠偏效果. [关键词]桩基础;强夯置换法;纠偏;挡土墙;碎石桩;挤密效应 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2017)05-0048-03 The Application of Dynamic Replacement Method in Deviation Rectification of Support Pile Yang Jianhua' Peng Congwen (1.Department of Ciril Engineering Jiangsu Urban and Rural Construction College Changzhou Jiangsu 213147 China; 2.School of Urban Construction Yangtze University Jingzhou Hubei 434023 China) Abstract:The dynamic replacement method was applied widely for the soft soil treatment at present there is not report about how to take advantage of its extrusion effect to rectify pile deviation.Take a retaining wall of a high slope for instance this paper introduces the treatment scheme and parameters calculating method of the dynamic replacement method in deviation rectification of support pile.The result shows that this method is effective which only needs a proper gravel wall layout if the surrounding condition is satisfied. Key words:piles;dynamic replacement method;deviation rectification;retaining walls;gravel piles; extrusion effect 工程中桩基由于各种原因出现偏斜,常用纠偏其用于桩基纠偏工程并取得较好效果. 方案为卸荷与加载,即在桩基偏移反向通过卸1工程概况 土或施工应力孔卸去荷载,而在偏移方向增加荷1.1工程简介 载,加载方式可以是地面堆载、锚拉以及千斤顶顶 某厂平工程,现状地面高程为71.000~ 推等.其中,千斤顶顶推是最为有效...
2012年6月上 施工技术 第41卷第366期 CONSTRUCTION TECHNOLOGY 57 强夯法在碎石土高填方边坡中的应用 刘运涛,张学飞,丁月双 (天津市粘察院,天津300191) [摘要】针对某碎石土地基填土厚度大,土质松散,地基不均匀等特点,果用强夯法对地基进行处理.按照强奔处 理的技术要求,并根据试券结果确定了强夯参数.最后,通过载荷试验、动力触探、现场土工试验等手段检验了强 夯法的处理效果.同时,通过强夯前后边坡稳定性的对比,分析了强夯对边坡稳定性的影响.该工程填土地基经 强夯处理后,地基性状得到了明显改善. [关键词]强:碎石土;高坡稳定性:检验 [中图分类号]TU472 [文献标识码]A [文章编号]1002-8498(2012)11-0057-03 Application of Dynamic Compaction in High Slope Filled with Gravel Soil Liu Yuntao Zhang Xuefei Ding Yueshuang Tianjin Institute of Geotechnical Inmestigation Surveying Tianjin 300191 China) Abstract:Based on the characteristics gravel soil foundation filling in thickness loose soil nonuniformity dynamic paction is used.According to the technical requirements and the test results of dynamic paction the parameters of dynamic paction are determined.Finally this paper confirmed the treatment effect of dynamic paction through load test dynamic penetration on-site soil tests and so on.Meanwhile the paper analysed the slope stability by the parison of slope stability before and after the dynamic paction.The ground behaviors of the fill foundation for the construction are improved after dynamic paction Key words:dynamic paction;gravel soil:slope stability:inspection 强夯法由法国Menard技术公司于1969年首回填碎石粒径变化较大,一般粒径2-50cm 最大可 创,该方法是利用极大的冲击荷载作用于地基上,见100cm以上大块碎石,块石呈棱角状,级配不均 在土中产生极大的冲击波,使地基压密,从而提高匀,填土厚7~1m;坡洪积层主要由粉质黏土和碎 地基的承载力,降低其压缩性,还可以提高土层的石组成:下部为全风化微风化白云岩. 均匀性,减少地基可能出现的差异沉降.强夯法由2强夯参数选择 于具有加固效果显著、适用土类广、施工方便、工期2.1强夯处理技术要求 短、费用低等众多优点,已成...