2012年4月下 施工技术 第41卷第363期 CONSTRUCTION TECHNOLOGY 43 监控量测在谷竹高速宴家隧道的应用 段宝福,朱应磊,刘波2,王兆东 (1 山东科技大学防灾减灾重点实验室,山东青岛266590: 2.山末省莱芜市公路局工程二处,山末莱芜271100) [摘要】为了解腿道施工中各横断面在纵向上的变形相关性,以湖北谷竹高速宴家隧道为工程背景,对各断面拱顶 下沉值和水平收敏值进行全过程监控量测,并利用数值模拟软件ABAQUS进行数值分析.通过对实际施工过程中 监控量测和数值模拟结果的分析,总结出在纵向上各断面拱顶下沉和水平收放与围岩性质的关系,指出拱顶下沉 为控制施工的关键因素,是反映围岩稳定性和力学状态最直观的数据. [关键词]隧道:监控;数值模拟:拱顶下沉:水平收:相关性分析 [中图分类号]U455 [文献标识码】A【文章编号]1002-8498(2012)08-0043-04 Application of Monitoring and Measurement in Yanjia Tunnel of Gucheng-Zhuxi Expressway Duan Baofu' Zhu Yinglei' Liu Bo Wang Zhaodong' (1.Key Laboratory of Civil Engineering Disaster Prepentien and Mitigation SDUST) Qingdao Shandong 266590 China:2.Shandong Provincial No.2 Engineering Department of Highway Bureau o f Laiwu Laiwu Shandong2700 China) Abstract:In order to analyze the correlation of vertical deformation of the cross correlation during tunnel construction the vault settlement and horizontal convergence of all sections are measured based on Yanjia Tunnel of Gucheng-Zhuxi Expressway.Furthermore the software ABAQUS is used to analyze the vault settlement and horizontal convergence.Through analysis on the monitored and simulated data the relation of surrounding rock features with the vault settlement and horizontal convergence are summed up. Iti pointed out that the vault settlement are one of main factors for controlling construction and it is the direct data that reflecting stability of surrounding rock and mechanical state. Key words:tunnels;monitoring;numerical ...
[关键词]预筑落成法;监控;硬件设计;软件设计 [中图分类号]TU753【文献标识码】A [文章编号]1002-8498(2015)01-0017-04 Application ofMonitoringSystemin thePre-buildSubsidence Liu Zhimao', Liu Weijun',Zhou Huanyu',Chen Chao² (1.Technology Center of China Construction Third Engineering Bureau Co.,Ltd.,Wuhan,Hubei 430070,China; 2.The Third Construction Co.,Lud.of CCTEB,Wuhan,Hubei 430074,China) Abstract:This paper describes the principle of pre-build subsidence,demonstrates the necessity to build a monitoring system,describes the contents of the principles of construction monitoring system should be designed to capture and construction of the monitoring system should be monitored. Hardware and software design is the key to build a monitoring system for all kinds of sensors measuring point layout, selection,data collection and storage devices selection,system hardware integration and software design were highlighted.Monitoring system works well for further promoting the pre-build subsidence method. Key words:pre-build subsidence; monitoring;hardware design; software design 0引言 3号倒班楼为中建钢构武汉公司职工宿舍,位 和水平网格结构之间设置可周转拆卸的临时顶托7193.53㎡²。
[关键词】屋盖合拢;焊缝收缩变形;胎架;一体化模型 【中图分类号】TU391.9 [文献标识码】A [文章编号]1002-8498(2010)08-0029-05 InfluenceStudyofWeldingDeformationon the Closure ProcessofSteelRoof GuoYanlin,Zhao Siyuan,Tian Guangyu,Wang Xiaoan,Dou Chao (School of Cisil Engineering,Tsinghua University,Beijing 100084,China) Abstract;Temporary supports are often adopted to support steel roof during the construction process, and the axial forces of temporary supports are only considered in the design state of structure currently. The influence of construction sequence,temperature at construction site, and welding shrinkage deformation due to welding on structural configuration and internal force of structure, as well as temporary supports are ignored usually. Welding shrinkage deformation of a single tube member is studied firstly, then the affection of welding is involved in analysis of integrate model of structure based on the equal deformation principle. The proposed procedure has been used in the construction analysis of Shenzhen Universiade Sports Center Main Stadium. Key words;closure of roof; welding shrinkage deformation; jig; integrate model 1研究背景 结构状态非线性发展的过程,胎架所承受的荷载不是 大跨度屋盖钢结构的施工往往采用“胎架支承,分一成不变的。
2016年4月上 施工技术 第45卷第7期 CONSTRUCTION TECHNOLOGY 105 D0I:10.7672/8js2016070105 海相深厚软土综合管廊施工技术* 谭博,蔡智2,徐海洋,王述红2 (1.中建五局土木工程有限公司,湖南长沙410004;2.东北大学资源与土木工程学院,辽宁沈阳110819) [摘要]依托福建平谭万北路综合管廊试验段施工,在深厚软土地基处理技术的基础上,采用明挖法在万北路 K4750一K4850标段内施工综合管廊,综合运用了降水和观测技术.对整个施工流程及施工完毕后综合管廊 质量进行检测,结果表明,该技术满足工程要求,取得了良好的经济和社会效益,可以在整个项目区域推广使用. [关键词]综合管廊;地基;软土;降水;施工技术 [中图分类号]TU990.3 [文献标识码]A[文章编号]1002-8498(2016)07-0105-04 Construction Technology of Utility Tunnel in Marine Facie Deep Soft Clay Tan Bo' Cai Zhi Xu Haiyang' Wang Shuhong? (1.CCFEB Civil Engineering Co.Lid.Changsha Hu'nan 410004 China;2.College of Resource and Civil Engineering Northeastern University Shenyang Liaoning 110819 China) Abstract:Relying on the construction of test section of utility tunnel at Wanbei Road Pingtan Islands of Fujian province based on the technology of deep soft clay foundation treatment utility tunnel is constructed by the open-cut method at the bid section K4 750-K4 850 of Wanbei Road precipitation and observation method were used.By the detection of the quality of utility tunnel during the entire construction process and after the construction pletion the result shows that this technology can meet the requirement achieve significantly economic and social benefits and can be applied on the whole project region. Key words:utility tunnel;foundations;soft soil;dewatering;construction 0引言 上述海相深厚软土地基给市政综合管廊工程 平谭万北路(环岛西路一万顺路)市政综合管的施工带来了诸多问题,为解决这些问题,依托万 廊工程路线场地属于我国典型南部沿海区域代表 北路(环岛西路一万顺路)市政综合管廊工程段的 性的海相深厚软土地层,这种典型地层是在周...
2017年7月上 施工技术 第46卷第13期 CONSTRUCTION TECHNOLOGY 103 D0I:10.7672/8js2017130103 机场工程检测中固体体积率与压实度的关系研究 李英涛 (山西机械化建设集团公司,山西太原030009) [摘要]石方填筑或土石混合料在机场工程中广泛应用,其传统的压实度检测方法如灌砂法、灌水法、环刀法等在 机场工程中得到广泛应用.就机场工程检测中通过传统方法测试压实度指标与固体体积率数据进行对比,建立相 应的对比关系. [关键词]机场工程;地基;固体体积率;压实度;检测 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2017)13-0103-03 Research on Relationship Between Solid Volume Ratio and Compaction Degree in Airport Projects Detection LI Yingtao Shanxi Mechanisation Construction Group Company Taiyuan Shanxi 030009 China) Abstract:Rock filling and earth rock mixture are widely used in airport engineering as well as traditional paction degree detection methods such as sand filling method irrigation method and cutting ring method are widely used in airport engineering.This paper made parison of testing paction degree and solid volume rate data by traditional method and established the appropriate relationship. Key words:airport engineering;foundations;solid volume rate;paction degree;detection 1压实度与固体体积率的概念与关系 现场多采用灌砂法、灌水法、环刀法检测,计算 1)压实度压实度=干密度/标准干密度×出湿密度P 并根据填料的含水量计算其干密度 100%.压实度是施工质量检测的关键指标之一,表 (P) 室内通过击实试验确定出填料的最大干密度 征现场压实后的密实状况,压实度越高,密度越大, (Pms) 通过下列公式计算压实度: 填料整体性能越好. K=p/x 100% (1) 2)固体体积率固体体积率是指土中固体颗 2.2固体体积率(V) 粒的体积占总体积的百分比,是用来表征填料在施 2.2.1控制指标 工压实过程中密实程度的一个参数. 按照机场检测中的常规做法,粒径>5mm称为 3)两者关系两者均是表征填料在施工压实 粗颗粒填料,粒径≤5mm称为细颗粒填料.其中粒 后密实程度的指标.依据MH5014一2002《民用机 径>5mm的试样,按照JTGE42一2005《公路工程集 场飞行区土(石)方与道面基础施工技术规范》,石 料试验规程》中粗集料的密度及吸水率试验的方 方填筑或土石混合料填筑的压实度采用固体体积 法,求得试样的毛体积密度,然后再按照细集料的 率控制.这是因为...
[关键词】铁路;顶进涵施工;离散元模拟;监测;桩侧土压力;支墩;沉降 [中图分类号]U449.5 【文献标识码】A [文章编号]1002-8498(2015)24-0056-04 Research on the Field Monitoring and Numerical Simulation of Stabilityin theExistingRailwayJackingCulverts Construction Song Zhanglun',Hu Zhongchun²,Wang Jinhe²,Hou Libo²,Zhang Sasa',Zhang Sheng' (1.School of Resource and Environmental Engineering,Wuhan University of Technology,Wuhan, Hubei 430070,China; 2.China Railway 14th Construction Bureau Co.,Lud.Ji'nan, Shandong250014,China;3.Comprehensite Geological Team of Shijiazhuang, Geological Exploration Bureau of HebeiProvince,Shjiazhuang,Hebei050085,China) Abstract;To make the existing railway jacking culverts construction excavation process pleted more successfully, authors use the method of numerical simulation and field monitoring to analyze the change regulations of the earth pressure against the buttress and the buttress’s settlement.The research show that the buttress final setlement is 0. 15mm and the monitoring final earth pressure is 6 000Pa in the field measurement. The result of numerical simulation through the two-discrete element method roughly reflects the development tendency of the measured earth pressure and the buttress’s setlement, which coincides with the results of numerical simulation.It's feasible that using discrete element method to simulate the process of existing railway jacking culverts construction and it also has a reference value about the control of the buttress settlement. Key words:railroads; jacking culverts construction;discrete simulation;monitoring;ea...
[关键词]地下工程;基坑;支护;后支撑体系;环梁;改造 [中图分类号】TU753 [文献标识码】A[文章编号]1002-8498(2015)17-0116-04 StructureReconstruction (The Second Construction Co.,Lid.of China Construction Third Engineering Bureau,Wuhan,Hubei 430074,China) Abstract:Existing basement structure bees a part of supporting system in underground structure reconstruction,new ring beam and lattice column are added to form effective horizontal support and vertical support. The firmness of the connection between new supporting structure and original structure is the control emphasis. After supporting system formation,the order and method of existing basement structure reconstruction effects the construction safety and integrity of non-removal structure.Rear supporting system is reasonablely used, which shortens time limit and reduces cost in terms of ensuring supporting structure safety of foundation excavation. Key words:underground;foundation excavation; supports; rear supporting system; ring beams;reconstruction 随着国际形势的发展、旧建筑物的逐渐增多,1.1工程概况 各经济发达国家逐渐把建设的重点转移到旧建筑 天津国际贸易中心项目为停缓建工程,项目原 物的维修、改造和加固上,建筑工程加固改造业的设计由1幢高度约250m的钢结构塔楼A,1幢高度 发展越来越快,加固改造业已成为建筑业的重要组约120m的钢筋混凝土结构塔楼B及高约53m的钢 成部分。
[关键词]地下工程;基坑支护;软土;换填法;边坡稳定性;锚杆;土钉 [中图分类号】TU753【文献标识码】A[文章编号]1002-8498(2012)01-0007-04 ApplicationofReplacingandFillingSupportMethodinShallow SoftSoilFoundationExcavation Sun Junli,Yao Mengmeng²,Zhang Tongbo (1.Qingjian Group Co.,,Lud.,Qingdao,Shandong 266071,China; 2.School of CivilEngineering,Qingdao TechnologicalUniversity,Qingdao,Shandong266033,China) Abstract: Combined with geological exploration report analysis to the engineering geology condition of photoelectric r&d base,authors clear the characteristics and difficulties of project. Through paring with a variety of foundation excavation supporting schemes, authors make a reasonable choice of construction scheme that filling weathered sand to the soft soil slope and bining ballast aggregate changing with anchor, soil nailing support system for excavation slope processing, and the scheme is analyzed theoretically and designed,,finally, the concrete construction technology is got. After monitoring by work,the construction technology for the treatment of soft soil foundation excavation slope has obtained good effect. Key words:underground; foundation excavation support; soft soil; replacing and filling method; slope stability; anchors; soil nail
1工程概况范围内地层自上而下分为3层:素填土、淤泥质土~ 中科院光电研究院研发基地位于青岛高新产粉质黏土、强风化安山岩。
2016年5月下 施工技术 第45卷第10期 CONSTRUCTION TECHNOLOGY 33 D0I:10.7672/8js2016100033 技术创新在绿色施工中的研究与应用 令狐延,秦瑜1,王玉娜2 (1.中国建筑第四工程局有限公司,广东广州510665; 2.哈尔滨工业大学管理学院,黑龙江哈尔滨150001) [摘要]绿色施工是建筑施工企业科技工作和企业管理的重要手段,也是我国建筑施工企业在可持续发展形势下 的努力方向.结合中国建筑第四工程局有限公司的技术创新实践,从管理目标、体系建设、科技创新制度、主要研 发应用的创新成果等五个方面阐述了建筑施工企业在绿色施工中推行技术创新的基本做法.通过建立技术创新 体系及制度为绿色施工提供保障,实施技术创新,取得了较好的环境效益和经济效益,促进了企业管理的提质 增效. [关键词]绿色施工;技术创新;混凝土;道路;垃圾资源化 [中图分类号]TU712 [文献标识码]A [文章编号]1002-8498(2016)10-0033-05 Research and Application of Technological Innovation in Green Construction Linghu Yan' Qin Yu' Wang Yu'na? (1.China Construction Fourth Engineering Division Co.Ltd.Guangzhou Guangdong 510665 China; 2.School of Management Harbin Institute of Technology Harbin Heilongjiang 150001 China) Abstract:Green construction is an important means of scientific technological work and business administration for construction enterprises and is also the direction of China's construction enterprises under sustainable development.Based on technological innovation work of China Construction Fourth Engineering Division Corp.LTD this paper expounds the basic practices of technological innovation in green construction from five aspects as management objectives system establishment scientific technological innovation system and key R&D innovative applications.By establishing the technological innovation system to support green construction the technological innovation is implemented;achieving good environmental and economic benefits and promoting the quality ...
2017年6月下 施工技术 第46卷第12期 CONSTRUCTION TECHNOLOGY 151 D0I:10.7672/8js2017120151 建设项目设计质量后评价方法研究 陈宇航 (中铁第四勘察设计院集团有限公司,湖北武汉430063) [摘要]运用后评价理论与方法,通过分析影响建设项目设计质量的主要因素,进而构建设计质量后评价指标体系 和建立AHP层次分析-模糊综合评价模型,形成了对设计质量进行后评价的具体方法,并通过具体建设项目进行了 应用示例,取得了良好效果. [关键词]工程管理;设计;后评价;层次分析法;模糊综合评价法 [中图分类号]TU712 [文献标识码]A [文章编号]1002-8498(2017)12-0151-05 Study on Post Evaluation Method of Construction Project Design Quality CHEN Yuhang China Railway Fourth Survey Design Group Co.Lid.Wuhan Hubei 430063 China) Abstract:Theory and method of post evaluation was used.Through the analysis of main factors affecting the quality of construction project design AHP index system and AHP fuzzy prehensive evaluation model was built to evaluate the quality of design and construct the formation of specific design methods of quality evaluation and the concrete construction project application examples achieved good results. Key words:engineering management;design;post evaluation;analytic hierarchy process;fuzzy prehensive evaluation method 0引言 1设计质量后评价方法概述 建设项目全寿命周期包括项目的决策阶段、实 建设项目后评价是指在项目竣工验收并投入 施阶段和使用阶段;涵盖了建设项目从策划、评估、使用或运营一定时间后,运用规范、科学、系统的评 决策、设计、施工到竣工验收、投入生产或交付使用 价方法与指标,将项目建成后所达到的实际效果与 的整个建设过程.其中,设计工作主要是指在项目 项目的可行性研究报告、初步设计文件及其审批文 实施阶段进行的工程设计各项相关工作,包括初步 件的主要内容进行对比分析,找出差距及原因,总 设计、施工图设计以及变更设计等内容.目前,由 结经验教训、提出相应对策建议,并到项目参 于影响设计质量的因素较多,设计质量需要项目实 与各方,形成良性项目决策机制.项目后评价应采 施后的效果检验,并未有合适的客观评价设计质量 用定性和定量相结合的方法,主要包括:逻辑框架 的方法,尤其缺少定量的评价方法. 法、调查法、对比法、专家打分法、综合指标体系评 而建设项目后评价是在建设项目已经完成并 价法、项目成功度评价法等. 运行一段时间后,对项目的目的、执行过程、效益、 参考运...
[关键词】加固;混凝土;拔柱;框架梁加固;有限元分析;监测 [中图分类号]TU391;TU746.3 [文献标识码】A 【文章编号]1002-8498(2012)21-0073-05 Research on Column Cutting andLarge-span Frame Beams Strengthening for Some Building Wang Changhong',Liu Wenjun²,Wang Yishu” (1.School of Railway Transportation,Shanghai Institute of Technology,Shanghai200235,China; 2.Wuxi Metro Co.,Iud.,Wuxi, Jiangsu 214043,China; 3. Department of General Contract, Shanghai Construction Group,Shanghai 200080, China) Abstract;Acording to function change,structure repair and visual ffect requirementsit is necessary t cut column and strengthen related frame beams at special position in some reinforced concrete buildings, especially in large-span length occasion,how to choose suitable designing,constructing and monitoring plan will be the key problems. Based on an example of meeting room on the 20th top floor of Shanghai Construction Croup general building, a column was cut and the frame beam span changed into 18.8m length.The structure designing,repair constructing,and monitor controlling were analyzed with thre- dimensional finite element method.The reconstruction effect proves that setting 600mm upstanding beam and 300mm hammer beam for the frame beam can meet mechanical requirements firstly, and controlling triangular restraint relations among column cutting,frame beam strengthening and information monitoring can ensure safety of the structure. Key words:strengthening; concrete; column cutting; frame beam strengthening;finite element analysis; monitoring 随着生活水平的进一步提高,人们对建筑物功和现代化改造,即在提高结构安全性的同时,使其 能的要求越来...
[关键词】建筑施工;能耗;层次分析法;模糊分析法;评价 [中图分类号】TU7[文献标识码】A[文章编号】1002-8498(2016)04-0066-04 ComprehensiveEvaluationfor ConstructionEnergyConsumption Chen Gang,Cheng Tao (Anhui Construction Engineering Group Co.,Lad.,Hefei,Anhui 230001,China) AbstractBased ongeneralrules ofenergy consumption of construction site,the main factorsinfluencing the energy consumption of the construction site are summarized.Using the analytic hierarchy process (AHP)to construct plicated,multi-atributive,multiobjective decision making system, the scale values among judgment matrix for the influence factors by experts are given,the value of bination weighting of each layer is calculated,the bination weights for each improvement scheme according to the recursive structure is obtained.Influencing stand or fall orders of energy consumption of site construction are construction side,construction condition,foundation character,architctural feature, transport distance of material,construction period,developers,supervision unit,geographic position, and equipment condition.The construction site level of risk of energy consumption for construction site is prehensive assessed by fuzzy-analytical method.A building of Anhui area is used to verify that multistage fuzzy prehensive evaluation model effectiveness applied to assess energy consumption evaluation for the construction siteis effectiveness. Key words:building construction; energy consumption; analytic hierarchy process (AHP);fuzy- analytical method;evaluation 节能减排是落实科学发展观、建设环境优化型所占比重逐渐增加,因此减少施工过程中的能耗是 社会的重要方式。
施工技术 2013年11月下 14 CONSTRUCTION TECHNOLOGY 第42卷第22期 D0I:10.7672/8gjs2013220014 建筑施工碳排放量的估算方法 范永法,张兆岳 (深圳市建工集团股份有限公司,广东深圳518048) [摘要]采用全生命周期理论估算建设工程施工阶段的碳排放.建筑施工碳排放量估算包括建筑材料和周转材料 在生产和运输中的碳排放,现场施工中的碳排放,建筑垃圾回收利用过程中碳的排放量.估算碳排放量的关键是 各种建筑材料和周转材料的碳排放因子.通过对建设工程施工阶段碳排放的估算来评价建设工程施工阶段的碳 排放量水平,为绿色建筑和绿色施工评价提供参考. [关键词]绿色建筑;绿色施工;碳排放;全生命周期;材料 [中图分类号]TU201.5 [文献标识码]A [文章编号]1002-8498(2013)22-0014-02 Estimating Method of Carbon Emission in Construction Engineering Fan Yongfa Zhang Zhaoyue Shenzhen Construction Engineering Group Co.Lad.Shenzhen Guangdong 518048 China) Abstract:Based on the theory of whole life-cycle this paper proposes a methodology of carbon emission estimation for construction engineering.The carbon emissions of building materials and recycling materials in production and transportation carbon emissions from on-site construction as well as the emission from the recycling of construction wastes are the mainly carbon emission in construction engineering.The factors of carbon emission of all kinds of building materials and recycling materials play the most important part in the estimation.The estimation of carbon emissions during the constructing period would provide an indicator to assess the green building and construction. Key words:green buildings;green construction;carbon emission;life cycle;materials 在我国的工业化和城镇化进程中,担负着国家工用电、施工用水和材料运输,材料碳排放分为钢 基础建设的建筑业,在将大量投资转变为建筑产品 筋、水泥、砂石、木材、玻璃和其他材料. 的生产活动中,既消耗了大量资源和能源,也产生 蔡向荣等在住宅建筑的碳排放量分析与节 了大量的废弃物,给环境带来了巨大影响.当前, 能减排措施研究中,将住宅建筑施工能耗分为建筑 中国工...
施工技术 2012年2月下 92 CONSTRUCTION TECHNOLOGY 第41卷第359期 建筑施工企业信息化应用的研究与探索 张贵林 (北京住总集团有限责任公司,北京100101) [摘要]从建筑施工企业普遍存在管理水平低下的现状出发,提出了基于信息化建设的“三集中”管控模式.针对 建筑施工分散性、流动性非标准性的特点,创造性地将传统建筑产品生产过程纳入12个功能模块组,以工程项目 管理信息系统为依托,对建筑工程项目的标准化、流程化提出了解决方案.对于工程项日成本核算问题,提出了以 成本科目字典的形式解决预算管理与财务管理的统一化问题. [关键词]信息化;管理创新;施工;管控模式;管理信息系统;成本核算 [中图分类号]TU71 [文献标识码]A [文章编号]1002-8498(2012)04-0092-04 Research and Exploration on Informatization Application in the Construction Enterprises Zhang Guilin Bejing Uni-construction Group Co.Lid.Beijing 100101 China) Abstract:Because the management level of construction enterprises is very low the management and control mode of"three concentration"is introduced based on the informatization construction.Combining with the construction characteristics of dispersion fluidity and non-standard the traditional production process for construction product is put into the twelve function modules in a creative way.Based on the project management information system the solutions of the standardization and procedure for construction projects are put forward.The cost dictionary is applied to resolve the contradictions between budget management and financial management. Key words:informatization;management innovation;construction;management and control modes; management information system;cost accounting 建筑业的分散性、流动性、非标准性使得集约平的现状而言,大多数建筑施工企业在经营管理模 化管理成为建筑施工企业的共性难题,制约着建筑式上仍显粗放,“责任不明确、组织不落实、监督不 施工企业的规模扩张和发展质量.多年来,建筑业 到位、财务不规范、信息不对称”的现象以及“以包 企业的管理水平一直处在低水平徘徊,管理手段守 代管重项目承揽、轻过程控制”等问题,致使企业 旧、管理...
2012年9月上 施工技术 第41卷第372期 CONSTRUCTION TECHNOLOGY 103 建筑幕墙结构风荷载最小取值分析 姚金满,段洪涛 (浙江中南建设集团有限公司,浙江杭州310052) [摘要]深入介绍了幕墙结构的安全保证,并进行了幕墙结构的风荷载取值分析.建筑幕墙的风荷载取值,应考虑 地面粗糙度按阵风荷截计算取值,而不应规定最小值.可以借鉴高层建筑对风荷载的处理方法,设计幕墙结构承 载能力并进行变形计算,但应考虑加强幕墙构件的节点连接,即节点连接设计时考虑反力增大系数,从而达到既安 全又经济的双重效果. [关键词]幕墙;粗糙度测量;最小取值;荷载 [中图分类号]TU399 [文献标识码]A [文章编号]1002-8498(2012)17-0103-03 Analysis of the Minimum Value of Wind Load for Curtain Wall Structure Yao Jinman Duan Hongtao (Zhejiang Zhongnan Construction Group Co.Ltd. Hangzhou Zhejiang 310052 China) Abstract:The authors introduce safety assurance for curtain wall structure and analyze wind load value of curtain wall structure.The gust load for ground roughness should be considered for wind load value of curtain wall structure the minimum value of wind load should not be regulated.The bearing capacity and deformation of curtain wall structure can be designed by using experience of wind load processing method of tall building for reference but joint connection strengthening curtain wall ponents should be considered that is to say amplifying coefficient of reaction should be considered when joint connection is designed which is a safe and economic method. Key words:curtain walls;roughness measurement;the minimum value;load 建筑幕墙结构设计时,风荷载作用是应考虑的定阵风荷载标准值: 最主要因素.我国荷载规范把地面粗糙度分为A (1) B C D4类,其影响着作用于建筑物表面的风速及 式中:w为50年一遇的基本风压(kN/m2);B为阵 风荷载取值;作为建筑物外挂装饰-幕墙围护结构, 风系数,是与粗糙度有关的计算参数;,为风压高 安全系数可稍低于主体结构.幕墙技术规范第 度变化系数,是与粗糙度有关的计算参数;局部折 5.3.2条规定,风荷载标准值均应≥1.0kN/m2.不 算体型系数μ是常数,当受荷面积1m2≤A...
施工技术 2014年9月下 100 CONSTRUCTION TECHNOLOGY 第43卷第18期 D01:10.7672/js2014180100 建筑工程项目安全评价技术体系研究 林涛 (住房和城乡建设部工程质量安全监管司,北京100835) [摘要]在建筑工程项目安全评价技术体系构建原则的基础上,结合建筑工程项目安全事故致因模型和安全事故 控制机制,设计建筑工程项目安全评价技术体系的总体框架,并详细分析项目安全评价技术体系中目标、制度、组 织、思想和信息评价这5项重要内容. [关键词]项目管理:建筑工程;安全;评价;技术体系 [中图分类号]TU714 [文献标识码]A [文章编号]1002-8498(2014)18-0100-03 Research on Technology System of Construction Project Safety Evaluation Lin Tao (Department of Safety Supervision for Construction Quality Ministry of Housing and Urban-rural Derelopment of the People's Republic of China Beijing 100835 China) Abstract:On the basis of the principles for building safety evaluation system of construction project bining with the model of construction safety accident causes and the control mechanism for safety accident this paper designs the overall framework of construction project safety management system and analyzes the important content of the guarantee system in detail such as target guarantee system guarantee organization guarantee ideas guarantee and information guarantee. Key words:project management;construction engineering;safety;evaluation technology system 1建筑工程项目安全评价技术体系的构建原则 6)先进性安全评价体系应与其发展过程相 1)指导性要求具有指导建筑工程项目的业结合,不断地更新管理理念,结合先进的建筑工程 主、建设单位、监理单位等各参与方的安全管理行项目安全管理理念、方法和技术. 为,是一种宏观意义上的建筑工程项目安全评价技2建筑工程项目安全评价技术体系的构成思路 术体系. 建筑工程项目安全评价技术体系框架构建的 2)可行性指构建的建筑工程项目安全评价 基础是分析事故起因和事故处理方式,本文将建筑 技术体系必须要与实际情况相结合,能够解决现实 工程项目安全事故分为潜伏期、孕育期、发生期、发 中的问题. 展期及结束期5个阶段,如图1所示. 3)有效性要求该体系能够有效地发挥保障 3建筑工程项目安全评价技术体系的构建 建筑工程项目安全管理的作用,能及时、有效地...
施工技术 2013年6月上 8 CONSTRUCTION TECHNOLOGY 第42卷第11期 D0I:10.7672/sgjs2013110008 建筑工程绿色建造技术发展方向探讨* 肖绪文,冯大阔 (中国建筑股份有限公司,北京100037) [摘要]绿色建造技术是绿色建造实施的前提条件.将绿色建造技术分为施工图绿色设计技术和绿色施工技术两 大部分;并分别从“四节一环保”5个要素对绿色建造技术发展进行分析和探讨,共计总结了10个绿色建造发展主 题、50项施工图绿色设计技术、74项绿色施工技术及14项其他“四新”技术,以期对我国绿色建造的推进和实施有 所神益. [关键词]绿色建造;设计;施工技术 [中图分类号]TU74 [文献标识码]A[文章编号]1002-8498(2013)11-0008-03 Study on Green Construction Technology Development for Buildings Xiao Xuwen Feng Dakuo China State Construction Engineering Co. Ltd.Beijing 100037 China) Abstract:Green construction technology is a precondition for green construction.The green construction technology is divided into green working drawing design technology and green construction technology in Chinese tradition;and its development is discussed and concluded from aspects of environmental protection material-saving water-saving energy-saving and land-saving.Ten technology development themes and such green construction technology as 50 green working drawing design technology 74 green construction technology and 14 four-new technology are summarized in order to promote and further implement green construction in China. Key words:green construction;design;construction 推进绿色建造是实现建筑品质提升和建筑业体规划和初步设计意图,最终实现施工图绿色设 可持续发展的需要,是我国建筑企业与国际接轨,计.只有这样,才能真正实现预期的绿色建筑效 走向国际市场的重要条件,是我国建筑业发展的必 果,才能在建筑全生命周期的“生成阶段”构建总承 然趋势.明确绿色建造技术的发展方向,进行绿色 包商实施绿色建造的责、权、利对等的工程承包 建造技术研究和实践,是推进和实施绿色建造的前体系. 提条件.因此,借助“十二五”国家科技支撑计划 基于以上分析,本文在提出绿色建造技术10个 “建筑工程绿色建造关键技术研究与示范”项目的 发展主题的同时,按阶段将绿色建造技术分为施工 实施,结合绿色建造的发...
施工技术 2010年5月 108 CONSTRUCTION TECHNOLOGY 第39卷第5期 建筑工程施工质量评价标准应用探讨 间平1,刘建明2 《1.陕西建工集团总公司,陕西西安710003;2,陕西建工集团第二建筑工程有限公司,陕西宝鸡721000) [摘要]结合工作实践,阐述了根据《建筑工程施工质量验收统一标准》GB50300-2001和《建筑工程施工质量评价 标准》GB/T50375-2006 在建筑工程验收过程中通过听汇报、召开技术座谈会,查看工程实体,查验工程技术资料, 验收组总结点评四个环节来全面、系统、综合地评价工程质量.指出每个环节的查看重点和注意事项,以对工程质 量作出客观公正的评价. 【关键词]建筑工程;施工质量;评价标准;评价环节;验收 [中图分类号]TU711 [文献标识码]A[文章编号]1002-8498(2010)05-0108-03 Discussion on Application of Quality Evaluating Standard for Architectural Engineering Yan Ping' Liu Jianming? (1.Shaanxi Construction Engineering Group Co.Xi'an Shaanxi 710003 China; 2.The Second Engineering Co.Lid.of Shaanxi Construction Group Baoji Shaanxi 721000 China) Abstract:Based on working practice and evaluation standards quality of architectural engineering can be evaluated systematically and prehensively form hearing report holding technical meeting examining the project and data and giving summary and ments.Furthermore attention factors for every evaluating step are pointed out to gain objective results. Key words:architectural engineering;construction quality;evaluation standard;evaluation step; acceptance 对于建筑工程施工质量的评价,是在《建筑工程施 2)施工单位工程概况及规模介绍,工程特点,难 工质量验收统一标准》GB50300-2001及其配套的各专点和亮点,“十大”施工新技术的使用情况,节能、环保 业工程质量施工验收规范的基础上展开工作的,同时 技术应用及使用效果情况,已取得的行业主管部门给 应遵守《建筑工程施工质量评价标准》GB/T50375-予的评价结论,以及各种检验、检测、试验的结论,用户 2006的原则,进行分部位、分系统量化评验打分.开 使用的效果及满意程度. 展此项工作一般的程序是听汇报、看录像、召开用户座 3)设计、勘察单位对工程设计思想、工艺流程、 谈会,察看工程实体,查验工程技术资料,验收组总结 主要用途和使用功能的满足程度.工程质量评价落实 点评四个环节.作为参加验收评价的专家评委,应当 到施工全过程是否符合设计要...
施工技术 2016年5月下 38 CONSTRUCTION TECHNOLOGY 第45卷第10期 D0I:10.7672/8js2016100038 建筑工业化深化设计与工程实践* 侯本才,马文文,郭瑞峰,王奇龙 (中建一局集团建设发展有限公司,北京100102) [摘要]基于建筑工业化发展趋势与现阶段建筑、结构设计背景,总结了建筑工业化项目进行深化设计的必要性; 结合建筑工业化项目的预制构件深化设计实例,从各专业、施工流程角度出发,阐述了深化设计内容与流程;基于 BM技术,介绍了深化设计关键技术创新;介绍了深化设计在具体项目中的应用. [关键词]装配式;预制构件;深化设计;建筑信息模型 [中图分类号]TU741 [文献标识码]A [文章编号]1002-8498(2016)10-0038-04 Detailed Design of Construction Industrialization and Project Cases Hou Bencai Ma Wenwen Guo Ruifeng Wang Qilong China Construction First Division Group Construction Development Co.Ltd.Beijing 100102 China) Abstract:Based on the development trend of construction industrialization and the background of building and structure design this paper puts forward the significance of detailed design of construction industrialization.Combined with the detailed design of precast element in building industrialization project the author expounds the content and process of detailed design from the professional design work and construction process.Based on the BIM technology the author introduces the key technological innovation of the detailed design.Meanwhile the paper introduces the application of the detailed design in the engineering practice. Key words:precast;precast element;detailed design;building information modeling(BIM) 1研究背景 2预制构件深化设计 近年来,随着建设需求的增加、劳动力成本的 2.1预制构件深化设计概念 增长以及资源环境的恶化,传统建筑设计、施工方 建筑工业化的核心是预制构件,其深化设计的 式开始出现瓶颈:随着国家针对绿色建筑、建筑工核心工作即预制构件的深化设计.预制构件深化 业化政策的颁布,各地政府、开发商、施工单位对建 设计,是指基于BIM技术,运用图纸手段,整合建 筑工业化的关注度迅速提高;国家转变经济的增长 筑、结构、电气...
2017年6月下 施工技术 第46卷第12期 CONSTRUCTION TECHNOLOGY 107 D0I:10.7672/8js2017120107 建筑工业化基地绿色环保型搅拌站 的构想与建设 彭友元,庞二波,郭晓,刘转伟,易伟 (中建科技(福州)有限公司,福建福州350800) [摘要]在分析混凝土搅拌站优缺点基础上,结合建筑工业化搅拌站自身特点,提出了建筑工业化搅拌站建设的构 想.搅拌站建设中,按照构想思路从搅拌站区位布置、料仓与物流设计、管沟设计、设备工艺等方面提前规划,实现 了绿色环保、节能高效的建筑工业化搅拌站的建造. [关键词]建筑工业化;搅拌站;绿色;环保;信息化 [中图分类号]TU647 [文献标识码]A [文章编号]1002-8498(2017)12-0107-03 The Conception and Construction of Green Environmental Protection Mixing Station of Building Industrialization Base PENG Youyuan PANG Erbo GUO Xiao LIU Zhuanwei YI Wei Zhongjian Technology Fuzhou)Co.Lid.Fuzhou Fujian 350800 China) Abstract:Based on the analysis of the advantages and disadvantages of the concrete mixing station this paper puts forward the conception of the industrial mixing station construction.In the mixing station construction in accordance with the idea of thinking from the mixing station layout storehouse and logistics design trench design equipment technology and other aspects it does the advanced planning and implements the construction of industrialization of green environmental protection and energy saving and efficient mixing station construction. Key words:industrialization;mixing station;green;environmental protection;information 国务院2013年1号文《绿色建筑行动方案》发②行车路线交叉;③站内安全间题;④缺少雨水 布后,各级政府相继出台了相关政策大力推进新型回收利用环节. 建筑工业化,PC构件厂在全国各地陆续落实开 就国内多数PC构件厂的搅拌站而言,通常采 花1.在投资建设中,构件厂配套搅拌站的规划建用厂外设置方式,即将搅拌站和PC工厂分离,单独 设往往容易被忽视,若对PC构件厂搅拌站的整体运行(相当于小型独立的商品混凝土搅拌站).其 规划布局、物流线路与节能环保等环节缺乏深入考 缺点是:①混凝土运输距离较远,通过搅拌车或叉 虑,将导致厂区脏乱、交通拥挤、安全隐患高、资源 车配...