施工技术 2011年10月下 50 CONSTRUCTION TECHNOLOGY 第40卷第351期 唐家山隧道围岩变形规律探讨 周泽林,陈寿根,段运启 (西南交通大学土木工程学院,四川成都610031) 【摘要】唐家山隧道位于构造地震断裂带,地质水文条件复杂,岩性及构造产状变化大,受“5.12”汶川地展的影响, 含水破碎软岩变形比较突出对施工中围岩变形控制要求较高现场通过监控量测结合数值分析探讨了隧道穿 越软弱破碎岩层下围岩非线性变形特性,确定了隧道二次衬砌支护合理距离和时机,总结了唐家山软弱围岩变形 特点。 关键词]隧道工程;变形控制;监测;开挖 中图分类号]U459.2 文献标识码】A 文章编号】1002-8498(2011)20-0050-03 Study on Settlement Rules of Surrounding Rock in Tangjiashan Tunnel Zhou Zelin ,Chen Shougen ,Duan ( Schoolof Civil Engineering ,Southwest Jiaotong University ,Chengdu ,Sichuan 610031 ,China ) Abstract :Tangjiashan tunnel located at structural earthquake zones .The geology hydrological conditions of the tunnel is plex .Influenced by the Wenchuan earthquake on May 12 ,2008 ,the deformation of aquifer broken soft rock is obvious ,so the deformation control of surrounding rock in the construction has strict requirements .Through the site monitoring bining with the numerical analysis ,the nonlinear deformation regularity of surrounding rock in broken rock tunnel are studied to decide the reasonable supporting time and distance of second support .The deformation characteristics of surrounding rock of Tangjiashan tunnel is summarized . Key words :...
粉煤灰综合利用 2011No.5 FLY ASH COMPREHENSIVE UTILIZATION 专题研究 减水剂对C80PHC混凝土拉/压比的影响研究 Study on the Influces of Water-reducing Admixture on C80PHC Concrete Tension and Compression Ratio 何燕,张雄,张永娟 (同济大学材料科学与工程学院建筑材料研究所,上海201804) 摘要:以管桩生产配合比为基本参照,分别研究了萘系、聚羧酸、氨基磺酸盐和磺化丙酮等4种减水剂对C80PHC 混凝土抗压强度、劈裂抗拉强度,拉/压比以及密实性的影响。研究结果表明:不同品种减水剂对混凝土力学强度以及密 实性影响不同,其中掺磺化丙酮混凝土脱模强度较高而聚羧酸较低,掺聚羧酸混凝土拉/压比较大而磺化丙酮较小,掺 聚羧酸混凝土密实性较好;随着减水剂掺量的增加,混凝土的抗压强度提高;随着出釜放置时间的延长,劈裂抗拉强度提 高抗折强度提高拉压比增大。 关键词:减水剂;力学性能;拉/压比;吸水动力学参数;电通量 中图分类号:TU528.042*.2 文献标识码:A 文章编号:1005-8249(2011)05-0014-05 He Yan ,Zhang Xiong ,Zhang Yong-juan ( BuildingMaterial Institute ,School of Materials Science and Engineering ,Tongji University ,Shanghai 201804 ,China ) Abstract :On the basis of the ratio of pipe production line ,the effects of four different kinds of admixtures were studied ,by measuring the pressive strength ,splitting tensile strength ,tension and pression ratio and Conpactness of C8OPHC Conrete .The four admixtures are naphthalene ,polyethylene ,sulfonated acid and acetone sulphamate .The results show that the effects on mechanical strength and pactness differs with different kinds of admixtures .Concrete mixed with acetone sulphamat...
2014年7月下 施工技术 第43卷第14期 CONSTRUCTION TECHNOLOGY o:10.7672/sgj2014140155 万郡·大都城钢结构住宅绿色施工技术 陈芳,方鸿强,王彦超 (浙江杭萧钢构股份有限公司,浙江杭州310003) 摘要]通过对万郡大都城钢结构住宅的绿色建筑设计理念及钢结构住宅全生命周期评价的阐述和分析,论证钢 结构住宅具有抗震性能好、产业化率高、施工周期短、得房面积多、建筑垃圾及粉尘排放少的特点,可真正实现节 材、节地、节能、节水,达到节能环保和可持续发展的目标,给人们营造更舒适、安全的生活空间。 关键词]钢结构;住宅;绿色建筑;全生命周期;评价 中图分类号]TU741 [文献标识码】A 文章编号1002-8498(2014)14-0155-04 Green Construction of Steel Structure Residence of Wanjun Large Capital Chen Fang ,Fang Hongqiang ,Wang Yanchao ( ZhejiangHangxiao Group Steel Structure Co .Ltd .Hangzhou ,Zhejiang 310003 ,China ) Abstract :Through the green energy-saving residence of Wanjun Large Capital ,from steel residential green building design ,structural steel housing and features life cycle assessment and other aspects of the characteristics of Wanjun Large Capital of the project are described and analyzed .Steel structure residence has characteristics of good seismic performance ,industrialization rate ,short construction period ,room size ,less construction waste and dust emissions ,which can get real materials ,land energy ,water saving and aim to sustainable development objectives .It can supply the people with more fortable and secure living space ...
2015年4月下 施工技术 第44卷第8期 CONSTRUCTION TECHNOLOGY do:10.7672/sgjs2015080009 万达茂滑雪乐园西区钢结构提升施工关键技术 贾尚瑞,邢遵胜,豆德胜,王强强 (浙江精工钢结构集团有限公司,浙江绍兴312030) 摘要]哈尔滨万达茂滑雪乐园西区钢结构工程,施工中采用了地面原位拼装、分块提升的安装方法。通过该工程 系统地分析了其提升施工方案的选择,详细介绍了提升施工中的关键技术,尤其是提升水平控制系统,此技术目前 为国内首次应用于提升施工中,经济效益显著。同时也较全面地说明了有限元仿真分析的重要性及其在本工程中 的应用。 关键词]钢结构提升;施工;控制系统;有限元分析 中图分类号]TU758 文献标识码】A [文章编号]1002-8498(2015)08-0009-04 Research on Lifting Technology for the Western Steel Construction District of Wanda Mall Skiing Paradise Jia Shangrui ,Xing Zunsheng ,Dou Desheng ,Wang Qiangqiang Zhejiang Jinggong Steel Building Group )Co ..Shaoxing ,Zhejiang 312030 ,China ) Abstract :Ground-situ assembly and block-lifting installation method is adopted in western steel construction zone of Harbin Wanda Mall Skiing Paradise .This paper systematically introduces its choice of lifting construction programs ,and analyzes the key technology of lifting construction in detail ,in particular ,the level control system ,which is the first time to apply in the lifting construction domestically ;also its economic efficiency is remarkable .Moreover ,the paper fully illustrates the importance the simulation analysis in construction process and the applicati...
2015年4月下 工技术 第44卷第8期 CONSTRUCTION TECHNOLOGY DoI:10.7672/sgjs2015080013 万达茂滑雪乐园中西区钢结构提升支撑系统设计 豆德胜,邢遵胜,贾尚瑞,王强强 (浙江精工钢结构集团有限公司,浙江绍兴312030) 摘要]哈尔滨万达茂滑雪乐园项目设计为世界最大的室内滑雪场,滑雪场分中、西、东3个区,其中中西区为门形 空间网格结构,主屋盖采取“分区提升”的施工方法进行安装,提升架最高达56m,主要对此工程的提升支撑系统的 设计进行了详细说明,并指出复杂混凝土条件下超高提升架的设计,提升架和底部混凝土梁的变形协调以及设置 合理的混凝土加固措施等关键点。 关键词]钢结构;提升;支撑;设计;混凝土;加固 中图分类号】TU758;TU32 文献标识码]A 文章编号】1002-8498(2015)08-0013-04 Design of Support System for Steel Structure Lifting in Central and Western District of Wanda Mall Skiing Paradise Dou Desheng ,Xing Zunsheng ,Jia Shangrui ,Wang Qiangqiang Zhejiang Jinggong Steel Building Group )Co ..Shaoxing ,Zhejiang 312030 ,China ) Abstract :Harbin Wanda Mall Skiing Paradise is designed as the largest indoor skiing field in the world The skiing field has central ,western and eastern districts .The central and western districts are portal space lattice structure and the main roof cover applies method of " liftingsection by section "for installation .The highest elevation is 100m and the highest lifting frame is 56m high .The paper mainly describes the design of support system for lifting in details and points out the design for super-high lifting frame in the conditions of ...
2015年4月下 施工技术 第44卷第8期 CONSTRUCTION TECHNOLOGY doi:10.7672/sgjs2015080001 万达茂滑雪乐园中西区钢结构工程施工方案比选 邢遵胜,王强强,豆德胜,贾尚瑞,邹航 (浙江精工钢结构集团有限公司,浙江绍兴312030) 【摘要]钢结构工程施工方案的选择,需要综合考虑工程结构特点、结构构成、场地条件、工期要求、结构和构件尺 寸大小周边建筑条件、各专业交叉配合等因素,结合不同施工方法的施工难度、施工效率、投入人力物力成本大小 和施工安全性等因素,经详细比选后,综合确定。以哈尔滨万达茂滑雪乐园中西区钢结构工程为例,说明该工程施 工方案分析、对比和细化创新的过程。 [关键词钢结构;施工;提升;分段;方案比选 中图分类号]TU758 [文献标识码]A 文章编号】1002-8498(2015)08-0001-04 Construction Scheme Comparison for Central and Western Steel Structures of Wanda Mall Skiing Paradise Xing Zunsheng ,Wang Qiangqiang ,Dou Desheng ,Jia Shangrui ,Zou Hang Zhejiang Jinggong Steel Building Group )Co .,.Shaoxing ,Zhejiang 312030 ,China ) Abstract :It shall prehensively consider the structural characteristics ,structural constitution ,site conditions ,construction period ,structural ponents dimension ,surrounding buildings ,and collaboration with other trades for concurrent works when choosing construction scheme .To determine using a construction scheme ,it shall pare specifically the construction difficulty ,construction efficiency ,manpower and material resources input ,and construction safety .Taking the Wanda Mall Skiing Paradise central and western steel structure pr...
[关键词】钢结构;桁架;网格结构;提升;施工技术 [中图分类号]TU758 【文献标识码】A [文章编号]1002-8498(2015)08-0005-04 ConstructionofCentralandWesternSteelStructuresfor WandaMallSkiingParadise WangQiangqiang,XingZunsheng,DouDesheng,Jia Shangrui (Zhejiang Jinggong Steel Building(Group)Co.,Ltd.,Shaoxing,Zhejiang312030,China) Abstract;Harbin Wanda Mall Sking Paradise is designed as the largest indoor sking field in the world. The skiing field has central,western and eastern districts.The central and western districts are portal space latice structure and the main roof cover applies method of“lifting section by section”for installation.The paper introduces the on-site construction methodology for central and western steel structures and describes thekey technicalmatters during installation in detail which can be referenced by other similar steel structural installation projects. Key words:steel structures;trusses;grid structure;lifting;construction 1工程概况 弧度上升,各区间通过伸缩缝断开。