[关键词】地下工程;基坑;开挖;沉降;变形 [中图分类号】TU753.6【文献标识码]A [文章编号〕1002-8498(2012)24-0001-03 Analysis to theEffectofFoundationExcavation on AdjacentBuildings Ding Qianjin',Cui Jiangyu² (1.China Railway 15th Bureau Group Co. ,Lad.,Luoyang,He'nan 471013, China; 2.School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China) Abstract:The effect of foundation excavation on adjacent buildings is drawing more and more attention. Taking the excavation of the 4th entrance of East Diaoyutai Station,Beijing Metro Line 9 as an example, this paper simulated the whole process of foundation excavation and support using software ANSYS, and analyzed the settlement deformation of the existing building foundations during excavation.The results show that the foundation settlement increases with the increase of the excavation depths.Locations closer to the excavation show larger settlement deformations and the entire building inclines toward the foundation. Key words;underground; foundation; excavation; settlement; deformation 近几年,随着城市轨道交通的高速发展,地铁造成的影响分析已成为一个很重要的课题。
2014年10月上 施工技术 第43卷第19期 CONSTRUCTION TECHNOLOGY D0I:10.7672/5j52014190001 基坑工程地下水控制管理若干问题* 陆建生 (上海广联建设发展有限公司,上海200444) [摘要]城市基坑工程建设中地下水的抽排控制关系到基坑安全、周边环境安全及水资源保护等多方面问题,目前 对应的地下水控制管理缺乏一定的系统性和规范性,按建设过程将其控制管理框架分为3层式,分析了基坑工程 环境水文地质评价的重要性,针对地下水控制设计建议推行基坑围护降水环境措施的多维一体化专项设计,并加 强微观工程性地面沉降的控制分析,分析了深基坑抽汲地下水外排量的现状,提出了建立地下水抽排的缴费制度 和地下水回灌交易市场的建议,探讨了缴费制度和市场平衡中的一些计算原则. [关键词]地下工程:基坑;地下水:管理;一体化设计 [中图分类号]TU473 [文献标识码]A [文章编号]1002-8498(2014)19-0001-05 Discussion on the Groundwater Control Management of Foundation Excavation Lu Jiansheng Shanghai Guanglian Construction Development Co.Lsd.Shanghai 200444 China) Abstract:The groundwater pumping in the foundation excavation tend to affect many problems including the excavation safety environmental safety and protection of water resources.At present the groundwater control management is lack systemic and normative.According to the construction process the technical management of the three-tier management framework was set up the significance of environmental hydro-geological assessment of the foundation excavation was analyzed the multi- dimensional integration design of retaining-dewatering-environmental measures in groundwater control was suggested and the microcosmic land subsidence control was discussed the current situation of dewatering of deep foundation excavation was remended groundwater pumping payment system and groundwater recharge trading market was proposed some calculation principle of the balance of the payment system and the mark...
施工技术 2011年2月 94 CONSTRUCTION TECHNOLOGY 第40卷第3期 基坛封底中的袖阀管注浆技术 王昌威 (山西四建集团有限公司,山西太原030024) [要]针对山西省农业技术含服务大基悦工中原喷帷深度不够,采用深井降水法不能切断水路、基 悦内水下降不明墨,和对隔水展土展厚度不均匀、无法抵抗承压水行用等向题,研究使用袖管注聚法加团构成 基悦封底,基悦障水形成基悦内降水施工方法. [关键词]基抗:封底:袖陶管:注浆 [中图分类号]TU753.3 [战标码]A [支章编号]1002-8498(2011)03-0094-03 Grouting Technology with Sleeve Valve Pipe in Foundation Excavation Bottom Sealing Wang Changwei China Shanxi Sijian Group Co.Ltd.Taiyuan Shanxi 030024 China) Abstract:During foundation excavation construction of Agriculture Technique Comprehensive Service Building in Shanxi Province some problems occur such as inadequate of the jet grouting pile curtain depth no cutting off the waterway with deep well dewatering method no down of the water level in foundation uneven of soil depth of aquifuge and cannot resisting the action of confined water etc.By researching these problems foundation bottom sealing with sleeve valve pipe grouting method and inner dewatering method in foundation excavation are adopted. Key words:foundation excavation;bottom sealing:sleeve valve pipe:grouting 1工程概况 值f=75kPa.②细砂福黄意,含有石英、云母等 山西省农业技术综含服务基地大位于太原市成分,并混杂有薄展粉土.岩性分布不均匀,局部缺 解放南路北口,占地面积3300m2 主楼28层,裙楼关,稍密,层底埋深8.9~9.6m.②2粉质黏土褐 4层,结构类型为钢筋混凝土框剪德构,基础为钢筋黄、黄褐色,含云母、煤屑、氧化铁、氧化钙、姜石等, 混凝土灌注箱形基础,基础埋深10.5m. 夹搏粉土透镜体,零星夹有乐砂、粉细砂透镜体, 2工程地质及水交条件 饱和、可塑~松,中等压缩性,居底埋深11.1~ 1)地形、地魏拟建扬地原为民用住宅区,在12.8m=120kPa.③粉细砂褐黄色、灰褐色,矿 场地西南部有一深2.5m左右的基悦,其余地段地 物成分以石英、长石为主,含少量乐石,夹粉土、中砂 形基本平理.场地地貌单元为太原地中北部,汾 透镜体,湿,稍密~中密,标贯击数平均为22.1击. 河东岸I级阶地. 层底埋深22.1~24.6m 层厚平均为10m 承载力标 ...
施工技术 2015年11月上 40 CONSTRUCTION TECHNOLOGY 第44卷第21期 D0I:10.7672/sgjs2015210040 基坑上下同步逆作法设计关键技术研究 魏倩,汪浩,孙庆,周环宇,慕东东,杨剑2 (1.中建三局建设工程股份有限公司技术中心,湖北武汉430064; 2.中建三局建设工程股份有限公司(沪),上海200129) [摘要]上下同步施工逆作法因其施工作业流程与传统的顺作法以及逆作法不同,给地下结构的设计、施工带来众 多新的技术问题.在阐述上下同步施工逆作法技术的工艺原理和施工作业流程的基础上,对逆作法设计计算包括 基坑围护体系、水平支撑体系、竖向支承体系的设计方法进行了介绍,并结合南京青奥中心工程实例,对基坑上下 同步逆作法关键技术进行研究. [关键词]地下工程;逆作法;支撑;一柱一桩 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2015)21-0040-04 Research of Foundation Excavation Using Top-down Method of Synchronous Construction of Superstructures and Underground Structures Wei Qian' Wang Hao' Sun Qing' Zhou Huanyu' Mu Dongdong' Yang Jian2 (1.Technical Center of China Construction Third Engineering Bureau Wuhan Hubei 430064 China; 2.China Construction Third Engineering Bureau Shanghai) Shanghai 200129 China) Abstract:The top-down method of synchronous construction of superstructures and underground structures brings some new technical problems about the design and construction of basements because the process is significantly different from the traditional method and the normal down-top construction method.On the basis of the technological principle and construction process of this new method some key problems are analyzed and introduced including the design of foundation excavation support vertical and horizontal support systems.With the background of the project of the Youth Olympic Centre in Nanjing the techniques of the synchronous construction of top-down method is researched. Key words:undergroun...
2010年6月 施工技术 第39卷第6期 CONSTRUCTION TECHNOLOGY 67 基于风险管理的决策阶段工程造价控制研究 黄林春 (武警水电第二总队,江西南昌330096) 【摘要]工程造价的确定与控制贯穿于项目建设的全过程,而决策阶段存在着很大的不确定性,所面临的风险种类 繁多.基于风险管理原理,介绍风险管理原理在建设项目决策阶段工程造价控制中的应用,包括风险识别、风险评 估与分析、风险应对和风险监控.结果表明:风险管理原理应用于建设项目的决策阶段,可减少项目决策过程中的 不确定性,有效地控制甚至利用风险. [关键词]建设项目;造价控制;决策阶段;风险管理 [中图分类号]TU-923.4 [文献标识码]A [文章编号]1002-8498(2010)06-0067-03 Control Research on Engineering Cost in Decision-making Stage Based on Risk Management Huang Linchun No.2 Hydropower Force of Armed Police Nanchang Jiangxi 330096 China) Abstract:The determination and control of engineering cost are throughout the whole process of project construction.However there exists uncertainty in decision-making stage.The faced risks are various. Based on the principles of risk management the application of risk management principles is introduced into control of engineering cost in decision-making stage such as risk identification risk assessment and analysis risk response and risk monitoring.The results show that risk management principles are applied in decision-making stage of construction project which can decrease the uncertainty during the process of decision-making stage.Thus the risk can be controlled even effectively used by adopting measures. Key words:construction project;cost control;decision-making stage;risk management 在工程项目的整个建设过程中,决策阶段具有较险,从风险视角优化整个决策过程,将有效地减少不确 强的复杂性和不确定性,此阶段工程造价的控制,对建定性,从而科学地进行资源配置,减少资源浪费,促进 设工程全过程工程造价控制具有总揽全局的决定性作 工程建设决策的科学化、合理化和经济化,降低决策的 用.决策阶段是决定工程造价的基础阶段,这一阶段 风险,避免或减少风险损失,...
施工技术 2016年10月上 110 CONSTRUCTION TECHNOLOGY 第45卷第19期 D01:10.7672/sjs2016190110 基于趋势项分离的隧道变形组合预测研究 陈飞飞,杨振兴,马还援,李忠艳 (青海省水文地质及地热地质重点实验室(青海省水文地质工程地质环境地质调查院),青海西宁810008) [摘要]以小波变换分离隧道变形数据的趋势项和误差项,采用回归模型对趋势项进行单项预测,并进一步对其进 行组合预测:同时,利用BP神经网络对误差项及原始数据项进行预测,最后对比本文组合预测与传统BP神经网络 的预测结果.结果表明:ym5小波函数对本文监测数据的分离效果最好,而非线性组合预测的精度要优于线性组 合预测的精度,且综合对比本文组合预测和P神经网络的结果,得出本文的组合预测很大程度上提高了预测精 度,为隧道的变形预测提供了一种新的思路. [关键词]隧道工程;小波变换;回归模型;组合预测;BP神经网络 [中图分类号]U456.31 [文献标识码]A [文章编号]1002-8498(2016)19-0115-06 Prediction Combination of Tunnel Deformation Based on Trend Term Separation Chen Feifei Yang Zhenxing Ma Huanyuan Li Zhongyan Hydrogeological and Geothermal Geological Key Laboratory of Qinghai Province Hydro Geology and Engineering Geology and Enwironmental Geology Surtey Institute of Qinghai Province) Xining Qinghai 810008 China) Abstract:In this paper the trend and the error terms of the deformation data of the tunnel are separated by wavelet transform the authors use the regression model to forecast the trend and then make a bination forecast.At the same time the authors use BP neural network to predict the error term and the original data and then pare the forecasting results between bination forecast and the traditional BP neural network.The results show that sym5 wavelet function is the best for the separation of the monitoring data in this paper.The accuracy of nonlinear bination forecasting is better than that of linear bination forecasting through prehensive parison of the resu...
施工技术 2015年9月下 86 CONSTRUCTION TECHNOLOGY 第44卷第18期 D01:10.7672/js2015180086 基于蚁群算法的施工项目成本优化 周书敬,赵丹1,李永吉2 (1.河北工程大学土木工程学院,河北邯郸056038;2.中建四局第六建筑工程有限公司,安徽合肥230000) [摘要]将建设工程项目的施工过程看成一个复杂的网络系统,用系统可靠性理论与方法研究工程项目的施工系 统可靠性,运用蚁群算法对施工网络系统中的各个工作单元的可靠度进行优化分配,进而求出整个工程项目的成 本,解决可靠性约束下的成本优化问题.最后,通过工程实例证明该方法的可行性,并和遗传算法的计算结果进行 比较,结果表明蚁群算法在求解施工成本优化问题方面更具优越性,为建设工程项目管理提供了一种新思路. [关键词]项目管理;系统可靠度;蚁群算法;优化配置 「中图分类号1TU71 [文献标识码]A [文章编号]1002-8498(2015)18-0086-04 Construction Project Cost Optimization Using ACO Zhou Shujing' Zhao Dan Li Yongji (1.School of Civil Engineering Hebei University of Engineering Handan Hebei 056038 China; 2.China Construction 4th Engineering Bureau 6th Co.Ld.Hefei Anhui 230000 China) Abstract:Construction engineering is regarded as a plex network system the reliability of the construction system is analyzed according to the principles of reliability engineering and the optimization of cost is solved it can harmonize the economics and reliability.The paper solves the optimization of reliability and cost based on ant colony algorithm(ACO).Finally the efficiency of the proposed method is verified an example was conducted and the results were pared with that of the genetic algorithm. The results indicate that the ACO algorithm is much suitable for solving cost optimization of construction system.It also shows the advantage of the new method which bines the reliability with the economy in the construction.It offers a new idea for the management of construction project. Key ...
2016年6月下 施工技术 第45卷第12期 CONSTRUCTION TECHNOLOGY 95 D0I:10.7672/sgjs2016120095 基于系统动力学的建设工程成本进度控制研究* 刘景矿1,阳文杰2 (1 广州大学工商管理学院,广东广州510006; 2.东莞碧桂园房地产开发有限公司,广东东莞523770) [摘要]通过建立系统动力学模型对工程进度和成本管理之间的关系进行分析,解释二者之间的相互影响,并得到 成本控制状态下量化的进度控制强度.案例模拟结果解释了成本失控的原理,若将项目成本超额控制在不超过预 期成本的5%,需在编制的月进度计划上缩短3~4d 项目成本才能得到有效控制.最后建议采取合适的进度控制 对成本控制进行调节,使成本控制处于稳定级别,同时监视成本控制级别的波动来调节进度控制强度,使系统处于 稳定状态. [关键词]项目管理;系统动力学;成本;进度;控制 [中图分类号]TU17 [文献标识码]A [文章编号]1002-8498(2016)12-0095-05 Research on the Cost-schedule Control Model of Construction Project Based on System Dynamics Liu Jingkuang' Yang Wenjie2 (1.School of Business Administration Guangzhou University Guangzhou Guangdong 510006 China; 2.Dongguan Country Garden Holdings Lad.Dongguan Guangdong 523770 China) Abstract:system dynamics model is established to analyze the relationship between cost and schedule this paper has explained the mutual influence between them and gets a measurable schedule-control- strength in order to stabilize the cost-schedule management.The result of simulation in case study explains the reason of incontrollable cost management and introduces the method of schedule adjustment. In the case study if project cost excess should be controlled at 5% a period of 3 to 4 days need to be shorten based on the monthly plan to help cost under control.To make the cost management in a stable level an appropriate schedule adjustment is suggested and schedule control strength may be adjusted according to the monitoring of the volatility of cost co...
2010年9月 施工技术 第39卷第9期 CONSTRUCTION TECHNOLOGY 25 基于精益建设的建筑业可持续发展分析 王宁,郭庆军2,李慧民 (1.西容建筑科技大学土木工程学,陕西西容710055: 2.西容工业大学建工程学院,陕西西容710032) [描票]通过对益建设的概、特点和优势的分析,得出益建设是代科学管理式在工程项目中的应用,符 合可持镇发展的要来.分析了精益思包与并行程、建筑供应管理棋式的联系,从整体的度持读发展并消除 浪费.先进管理棋武的融合,利于全面提升管理水平,提升企业竞多力,推动企业全面协调可持发展,促进建就 企业又好又快发展. [关键词]建筑业:稀益建设:可持威展:并行建设 [中分类]TU71 [文献标识]A [立章编]1002-8498(2010)09-0025-03 Analysis of Sustainable Development on Lean Construction in Construction Industry Wang Ning' Guo Qingjun? Li Huimin' (1.School of Civil Engineering Xi'an University of Architecture and Technology Xi'an Shaanxi 710055 China: 2.School of Civil and Architecture Engineering Xi'an Technological Unirersity Xi'an Shaanxi 710032 China) Abstract:Through analyzing concept features and advantages of lean construction authors believe that lean construction model is the application of modern scientific management on engineering project which consists with sustainable development.Lean thinking links with concurrent engineering and construction supply chain management and it can eliminate waste on sustainable development to identify as a whole system.The integration of advanced management mode will be helpful to improve the management level and promote the petitiveness of enterprises and bring prehensive correspond sustainable development to enterprises as well as promote good and fast development of construction enterprises. Key words:construction industry:lean construction:sustainable development;concurrent construction 建业是以消耗大量自...
2016年9月下 施工技术 第45卷第18期 CONSTRUCTION TECHNOLOGY 29 D0I:10.7672/8js2016180029 基于移动终端的工程质量安全信息 采集系统开发及应用 张楠 (上海建科工程咨询有限公司,上海200032) [摘要]针对工程质量及金穗的特点和管理人员的需求,应用移动终端技术和物联网技术,开发件平台,建 立基于移动海端的工程质量安全信急采集系统,并结含实际工程应用,验证其可行性和有性. [关键词]息化;移动终端;建筑工程;质量骑收;信息采集;安全管理 [中图分类号]TU17[交献标识码]A[交章编导]1002-8498(2016)18-0029-04 Development and Application of Project Quality and Safety Information Acquisition System Based on Mobile Terminal Zhang Nan Shanghai Jianke Engineering Consulting Co.Lid. Shanghai 200032 China) Abstract:Based on the characteristics of quality and safety information associated with the construction and the requirements of site management a software platform is developed and a mobile terminal-based information acquisition system supported by mobile terminal technology and Internet of things technology is established for collecting.Combining with the actual engineering the feasibility and availability of the platform is testified. Key words:information;mobile terminal;construction engineering;quality acceptance;information acquisition;safety 0引言 面进行理论探索,开发了基于移动终端和后台服务 质量控制和容全控制是建筑工程施工阶疆的器的系统平台并谜择实际工程进行项目示范应用. 主要控制内容.单位工程质量是否满足要求通常1建筑工程信采集棋式优化 是由构成它的检验批的质量验收情况决定的,1.1建筑工程质量信息采集模式优化 工程容全控利主要由针对危险性较大分部分项工 经过对具有代表性项目的调查研究,发现在转 程的安全检查及验收构成.在实际工程中,质量、统的工程质量检查、验收过程中存在诸多弊端,导 容全验收资科镇写人员往往不是验收人员,验收资致无法很好控制工程质量.首先,现场检验批完成 料的填写时间也经常滞后于实际验收时间,这就导质量验收后,验收资料的形成往往不能与现场工程 致检查验收资料与工程脱节,不具备时性和准确同步,产生较长的滞后时间,不具备时效性;其次, 性,无法真实反映现场工程质量、全情况. 由于现场质检人员在能力和专业素质方面的差异, 将移动终端技术运用到工程质量、容全检查验 对验收规范及设计要求的不熟悉,导致验...
2014年4月上 施工技术 第43卷第7期 CONSTRUCTION TECHNOLOGY 39 D0I:10.7672/sgjs2014070039 基于灰色系统理论的深基坑支护方案优选* 晏飞群,闫威,杨玲 (云南省建筑科学研究院,云南昆明650223) [摘要]深基坑支护方案优选是一项十分复杂的系统工程,具有影响因素的信息不完全性以及影有因素与评价指 标的灰色关联性等特点.构建了基坑支护方案优选的多层次多项目标评价指标体系,运用灰色系统理论进行深基 坑支护方案实例分析.研究结果表明,该方法科学实用、操作简便,具有一定的实际应用价值. [关键词]地下工程;深基坑;支护;优选;灰色系统理论 [中图分类号]TU470 [文献标识码]A[文章编号]1002-8498(2014)07-0039-03 The Optimization of Supporting Scheme for Deep Foundation Excavation Based on Grey System Theory Yan Feiqun Yan Wei Yang Ling Yunnan Institute of Building Research Kunming Yunnan 650223 China) Abstract:The optimization of supporting scheme for deep foundation excavation is a plicated system it has the characteristics of influencing factor inpleteness of the support schemes for foundation excavation and their grey correlation.The authors build the scheme optimization of multi-level and multi- objective evaluation index system and use the grey system theory for example analysis of deep foundation excavation supporting scheme.The results show that this method is scientific and practical. Key words:underground;deep foundation excavation;supports;optimization;grey system theory 由于深基坑工程具有区域性强、造价高、发生型.阮永芬、叶燎原等)根据各指标的信息不完全 事故后果严重等特点,使得基坑支护方案必须科学性及相互关联性,采用灰色系统理论对方案进行优 合理、安全可靠、方便可行、造价经济.而且基坑工选.冯玉国、王渭明根据评价指标的不相容性, 程是一个综合性很强的系统工程,其支护方案的优 提出基于灰色物源分析的优选模型.冯庆高、周传 劣会直接影响工程进度、质量和成本,在整个基坑 波等5)提出了灰色模糊可变决策法.魏新江等[6) 施工工程中占有重要的地位.因此,如何科学有效 则运用模糊灰关联投影法进行基坑支护方案优选. 进行基坑支护方案的优选显得尤为重要. 鉴于此,本文依据深基坑工程的特点,构建了 深基坑支护方案的优选是根据某一深基坑工 一套深基坑支护方案优选评价指标体系,采用专家 ...
[关键词】信息化;火电厂;施工;动态仿真;标准化方案:建模 【中图分类号】TU717[文献标识码]A [文章编号〕1002-8498(2013)24-0097-04 3DandDynamicSimulationSystemBasedontheStandardization ConstructionProcessofThermalPowerPlant Li Shaohua',Wang Tieying²,Zhang Qingzhe²,Che Deyong²,Wang Hu' (1.China Datang Corporation Science and Technology Research Institute Co.,Lad.,Beijing 102206,China; 2.School ofEnergy and Power Engineering,Northeast Dianli University,Jilin,Jilin132012,China) Abstract;For the plexity of thermal power plant construction,3D visualization technique was used to dynamically simulate the entire construction process of thermal power plant.Every installation process of the construction including construction method,construction process, technical standards was explained by graphics,voice, text and other multimedia means.The standardization construction scheme of thermal power plant was established, and 3D visualization dynamic simulation system was developed. It is important for thermal power plant to realize the civil construction industry and the digital construction. Key words:information;thermal power plant;construction;dynamic simulation; standardization scheme;modeling 0引言 庞大,没有专门针对火电厂土建施工的标准和规 截至2011年11月,我国火电机累计装机容量范,在此背景下,如何确定科学的施工方法、合理的 为74529万kW,同比增长8.5%。
施工技术 2013年6月上 114 CONSTRUCTION TECHNOLOGY 第42卷第11期 D0I:10.7672/gj82013110114 基于正交试验的加筋土界面摩擦影响因素分析* 耿敏,窦远明,赵川 (河北工业大学土木工程学院,天津300401) [摘要]以河北省邢汾高速公路土工格橱加筋高填方路堤工程为背景,用正交设计表L(3)安排了54组拉拔试 验,分析了7个因素对加筋土界面摩擦特性的影响.试验结果表明,影响加筋土界面摩擦特性的因素主次顺序为 上覆荷载、含水率、筋材距试验箱侧壁距离、拉拔速率、格橱类型、筋材水平埋入长度、干密度.其中,上覆荷载、含 水率、筋材距试验箱侧壁距离、拉拔速率对筋-土界面摩擦特性的影响特别显著.通过分析筋土界面拉拔摩擦系数 与7个因素的关系,得到了各因素的优水平以及各因素在拉拔试验过程中的变化规律. [关铺词]公路工程;加筋土;界面摩擦特性;影响因素;拉拔试验;正交试验 [中图分类号]TU472.34;TU411 [文献标识码]A [文章编号]1002-8498(2013)11-0114-04 Analysis to Factors that Influence the Interface Friction of Reinforced Soil Based on Orthogonal Test Geng Min Dou Yuanming Zhao Chuan (College of Civil Engineering Heibei University of Technology Tianjin 300401 China) Abstract:Based on the geogrid-reinforced high embankment project of Xingfen Expressway in Hebei Province 54 pull-out tests were designed with orthogonal table L s(37) and seven factors were analyzed for their influence on interface friction characteristics.The results show these factors can be sorted according to the levels of their influence on interface friction characteristics of reinforced soil in the order of cover load water content distance from geogrid to chamber side wall pulling rate geogrid type embedded length of reinforcement dry density.Among them cover load water content distance from geogrid to chamber side wall and pulling rate have significant influence on the interface friction characteristics of reinforced soil.The best level and the rules governing the variation of each fa...
施工技术 2016年9月下 100 CONSTRUCTION TECHNOLOGY 第45卷第18期 D01:10.7672/8gjs2016180100 基于模糊物元的项目集成化管理成熟度模型研究 谢丹凤1,肖磊2 (1.山东理工大学建工程学院,山东海情255049;2.浙江田公司,江杭州310000) [描]提出项目集威亿管理成熟度的概令,建立一个涵盖假环保目标的项目集成化管理成熟度型,利用 物元详倚法对项目集成化管理成熟度指标进行评价,并结含实例进行证、验算,证明项目集成化管理成熟度型 的有故性. [关键词]项目管理;集成化管理;成熟度模型;模糊物元 [中图分类号]TU71[女献标识码]A[女章编号]1002-8498(2016)18-0100-04 Study on Project Integrated Management Maturity Model Based on Fuzzy Matter-element Xie Danfeng' Xiao Lei (1.School of Ciril and Architectural Engineering Shandong University of Technology Zibo Shandong 255049 China;2.Zhejiang Oil Co.Lad.Hangzhou Zhejiang 310000 China) Abstract:The concept of project integrated management maturity is put forward and a project integrated management maturity model involved of low carbon environmental protection goals is established.The fuzzy matter-element evaluation method is used to evaluate the index of the project integrated management maturity and bined with the example verification algorithm the effectiveness of project integrated management maturity model is proved. Key words:project management;integrated management;maturity model;fuzzy matter-element 0引言 指标.鉴于此,交章提出涵盖绿色目标的项目集成 项目管理成熟度的研究以及项目集成管理的化管理成熟度模型及评价体系. 研究目前比转多见,文献[1]提出了工程项目集成1项目集成化管理成熟度概念设计 化管理概含,并构建了工程项目集成化管理的模 项目集成化管理实质是利用项目管理的系统 型;文献[2]提出基于管理过程、生命周期、知识额方法、模型、工具,在考虑项目各种资源之间动态关 域、资源集成层次与管理目标5个维度的项目管理系的基础上,对项目从启动到收尾过程中的相关资 集成创新模式;交献[3]则由管理过程和实现过程 源进行系统整含,以达到或超过项目目标并实现投 的区别提出项目管理成熟度横型;交献[4]介绍了资益的管理模式.对于集成化管理的水平可以 项目管理成熟度在我国的发展概况,并提出对综合用集成化管理成熟度来描述.项...
2013年11月上 施工技术 第42卷第21期 CONSTRUCTION TECHNOLOGY 51 D01:10.7672/sgjs2013210051 基于模糊层次分析法的中小型水利水电 工程施工风险评价 强跃1.2,何运祥2,刘光华3 (1.重庆交通大学水利水运工程教育部重点实验室,重庆400074; 2.重庆三峡学院土木工程学院,重庆404100;3.重庆水利水电职业技术学院水利工程系,重庆402160) [摘要]为了评价中小型水利水电工程施工风险,选取了16个影响施工风险的评价因子,根据模糊层次分析法,用 MATLAB编制了相应程序,建立了相应风险评价理论体系模型.以某中小型水利水电工程施工风险为实例,实现 了该工程施工风险评价.该方法计算结果与实际工程相符,证明了方法的可行性. [关键词]项目管理;模糊层次分析法;风险评价;有限元分析 [中图分类号]TU717 [文献标识码]A[文章编号]1002-8498(2013)21-0051-04 Construction Risk Assessment of Small and Medium-sized Water Conservancy and Hydroelectric Power Engineering Based on Fuzzy Analytic Hierarchy Method Qiang Yue.2 He Yunxiang? Liu Guanghua (1.Key Laboratory of Hydraulic and Engineering of the Waterway Ministry of Education Chongging Jiaotong University Chongging 400074 China;2.School of Civil Engineering Chongging Three Gorges University Chongging 404100 China; 3.Water Conseruancy Engineering Department Chongqing Water Resources Electric Engineering College Chongqing 402160 China) Abstract:In order to evaluate construction risk of the small and medium-sized water conservancy and hydropower engineering and based on the principle of fuzzy level analysis method this paper selects 16 evaluation factors impacting the construction risk uses Matlab to workout corresponding subroutine and the main program functions to establish the corresponding theoretical system of risk assessment model. Selecting the construction risk of a small water conservancy and hydropower as an example construction risk assessment of ...
2013年9月下 施工技术 第42卷第18期 CONSTRUCTION TECHNOLOGY 105 D0I:10.7672/8gjs2013180105 基于标准化的万达酒店项目管理技术* 胡风雨 (天津工业大学管理学院,天津300387) [摘要]项目管理标准化能够提高项目运行效率,保证项目完成预定目标.万达酒店建设公司通过在规划阶段、设 计阶段、招标采购阶段、施工阶段、竣工交付阶段推行标准化,提高了公司运营、管理效率,很好地实现了项目目标, 为项目的盈利打下了良好的基础,为公司跨区域快速扩张提供了有力保障. [关键词]项目管理;标准化;目标 [中图分类号]TU71 [文献标识码]A [文章编号]1002-8498(2013)18-0105-04 Wanda Hotel Project Management Based on Standardization Hu Fengyu School of Management Tianjin Polytechnic University Tianjin 300387 China) Abstract:Standardization of project management can improve project efficiency and ensure the project to achieve the predetermined target.Wanda Hotel construction pany carried out standardization to improve the pany's operations management efficiency to achieve the project aims in the planning stage design stage bidding procurement stage construction stage and pletion of delivery stage.At the same time the standardization lays a good foundation of project profit and provides strong guarantee for the pany rapid cross-regional expansion. Key words:project management;standardization;aims 1万达酒店项目管理标准化简介 例如不同地域酒店项目的规划遵循统一的规划要 1.1内涵 点.通用化即不同时间、不同地点产生的标准、制 标准化指的是把重复的事物,通过论证、制定 度可以互换使用.例如在招标采购前由集团牵头 各种标准,并加以实施,获得较好的经济效益的过建立完整的品牌库,各个项目招标均来自品牌库. 程.标准化的发展强调以市场为导向,以企业为主 系列化即根据产品特性,从经济技术角度构建产品 体,以技术为支撑,根据市场需求和经济发展制定 体系.例如万达集团经过多年发展,形成了第一代 相应的标准.标准化按照属性的不同,一般可以分 单店,第二代组合店,第三代城市综合体三代成品 为技术标准和管理标准,分别对技术事项和管理事 系列.模块化即把建设过程中重复较多的部品固 项进行标准化. 化为模块,利于保证质量实现快速建设.例如,酒 项目管理标准化就是通过在项目管理整个过 店把客房作为一个标准化模块,制定标准化详图, 程中制定相应的标准,并加以贯彻实...
施工技术 2016年3月下 118 CONSTRUCTION TECHNOLOGY 第45卷第6期 D0I:10.7672/sgjs2016060118 基于本体的EPC总承包项目风险控制研究* 闫文周,刘振超 (西安建筑科技大学管理学院,陕西西安710055) [摘要]EPC总承包项目的风险控制问题一直难以有效解决,许多典型工程案例的经验教训尚未形成可共享的知 识库,使拟建项目不能鉴之.作者提出运用知识本体的方法对每个案例进行知识表示,在此基础上建立知识本体 模型,构建EPC总承包项目风险案例库.对新建工程,运用模糊子集贴近度的方法进行案例推理,从案例库中找出 贴近度最高的案例及相应对策,项目管理者可以以此作为决策参考. [关键词]项目管理;知识本体;EPC;风险控制 [中图分类号]TU712 [文献标识码]A [文章编号]1002-8498(2016)06-0118-04 Research on Risk Control of EPC Project Based on Ontology Yan Wenzhou Liu Zhenchao School of Management Xi'an University of Architecture Technology Xi'an Shaanxi 710055 China) Abstract:Risk control of EPC project in construction process has been difficult to be effectively solved. Many typical engineering cases have not yet formed a shared knowledge base so that the proposed project can not be learned.In this foundation the knowledge representation of each case is put forward based on the method of knowledge ontology and the EPC general contracting project risk case database is constructed.On the new project the fuzzy subset closeness degree method is used for case reasoning and from the case library to find out the highest degree of similarity of the case and the corresponding countermeasures.Project managers can use this as a reference for decision-making. Key words:project management;ontology;engineering procurement construction;risks control EPC总承包模式已成为建设工程承包市场上制方法,对拟建项目可能存在的风险预先制定合理 业主非常青睐的承包方式,被成功应用到国内国际的控制措施,从而实现项目风险的主动、有效控制. 大型建设项目中.由于EPC总承包方同时承担设1基于知识矩阵模型的总承包项目风险控制知识 计、采购和施工任务,并且...
2016年5月下 施工技术 第45卷第10期 CONSTRUCTION TECHNOLOGY 69 D0I:10.7672/8js2016100069 基于徐变效应预应力CFRP布加固组合梁变形分析 霍君华 (辽宁省交通高等专科学校道路与桥梁工程系,辽宁沈阳110122) [摘要]在腐蚀钢与混凝土组合梁受拉区粘贴CFRP布进行加周并对其加固后的徐变效应进行研究.研究了徐变 效应对组合梁变形能力的影响,给出徐变函数数学模型,建立预应力CFRP布加固钢与混凝土组合梁徐变效应分 析模型,研究了组合梁在徐变效应影响下的变形性能.计算结果表明,沿梁长范围内,跨中截面处的变形最大,在 荷载作用后的初始阶段,跨中变形有明显变化,之后各参数值随着时间的增长趋于一定值;跨中变形的增加量随混 凝土强度、预拉力、梁截面宽度、腹板高度的增大而减小. [关键词]加固:CFRP布;钢与混凝土组合梁;徐变效应;变形 [中图分类号]TU502*.6:TU746.3 [文献标识码]A [文章编号]1002-8498(2016)10-0069-04 The Deformation Analysis of Prestressed CFRP Sheets Strengthening Steel-concrete Composite Girders Under the Creep Huo Junhua Department of Road Bridge Liaoning Provincial College of Communications Shenyang Liaoning 110122 China) Abstract:The behavior of damaged steel-concrete posite girders repaired with CFRP sheets under creep was studied.The deformation model of creep function was developed then some analytic models based on visco-elasticity theory were given to the putation procedure of ereep effect such as the deformation.The calculation results along the whole span showed that the values of mid-span deformation are maximum.During the initial stage of loading the values of all these parameters change obviously and later on they approach to constant.The increment of mid-span deformation decreases with the increasing of the concrete strength the prestressing the beam section width and the height of web. Key words:strengthening;CFRP sheets;steel-concrete posite girders;creep effect;deformation 混凝土徐变是指在持续荷载作用...
施工技术 2010年2月 70 CONSTRUCTION TECHNOLOGY 第39卷第2期 基于强度折减的加筋软土路堤边坡稳定分析 蔡晓光,范丽远,谢长旺,王根龙 (防灾科技学院防灾工程系,河北三河065201) [摘要]现行的加筋路堤稳定分析方法无法真实反映土工织物垫层对软土路堤稳定性的贡献,使计算的安全系数 提高很少.利用基于强度折减的边坡稳定分析方法,模拟筋材与土体的相互作用,可分析加筋软土路堤的边坡稳 定性.建议取边坡无量纲位移突变时刻对应的强度折减系数作为安全系数.经过三茂铁路路堤验算,计算的安全 系数与传统加筋路堤稳定分析方法相比大幅提高,并与实测结果较为符合.最后,利用本文给出方法计算复合加 筋排水褥垫加固路堤的稳定性. [关键词]堤坝;土工织物;边坡稳定分析;强度折减法;复合加筋排水舞垫 [中图分类号]TU43 [文献标识码]A[文章编号]1002-8498(2010)02-0070-04 Slope Stability Analysis Method Based on Strength Reduction for Reinforced Embankment on Soft Clay Deposit Cai Xiaoguang Fan Liyuan Xie Changwang Wang Genlong Department of Disaster Presention Engineering Institute of Disaster Presvention Science and Technology Sanhe Hebei 065201 China) Abstract:The contribution of reinforced cushion to the stability of embankment can not be considered in current analysis method.A slope stability analysis method based on strength reduction for reinforeed embankment is proposed.The strength reduction multiplier corresponding to that critical time step was suggested as safety factor of the slope.The results of an engineering example indicated that the proposed method in more reasonable and more close to true fact.The stability of embankment improved by bined drainage and reinforcement cushion is analyzed by the proposed method. Key words:embankment;geotextile;slope stability analysis;strength reduction method;bined drainage and reinforcement cushion 土工织物加固软基目前已在我国得到广泛应用,使边坡刚好达到临界破坏状态时,对土的剪切强度进 并取得了显著效果.然而采用现行的设计方法(瑞典行折减的程度.通过逐步减小抗剪强度指标...
施工技术 2012年1月上 92 CONSTRUCTION TECHNOLOGY 第41卷第356期 基于强度折减法的小净距隧道合理净距的探讨 朱桂春,韩武娟,刘兴鑫 (中国地质大学(武汉)工程学院,潮南武汉430074) [摘要]由于连拱隧道的工程造价、施工难度、施工周期均比双线隧道大得多,所以在工程中产生了一种新的结构 形式一一小净距隧道.在小净距隧道的设计过程中,中间岩柱的宽度对于隧道的稳定性和工程整体造价有着相当 大的影响.影响小净距隧道合理净距的因素很多,比如围岩级别、结构形式、施工工艺等.使用传统的力学计算法 和力学试验,很难得出综合各种因素的计算结果,采用有限元模拟的方法和强度折减弹塑性有限元方法则可以计 算各种复杂情况下围岩的应力、变形、塑性区分布等情况,从而确定小净距的合理净距. [关键词]隧道工程;小净距隧道;合理净距;强度折减法;数值模拟 [中图分类号]U459 [文献标识码]A [文章编号]1002-8498(2012)01-0092-03 Discussion on Reasonable Distance of Small Interval Tunnel Based on Intensity Discount Method Zhu Guichun Han Wujuan Liu Xingxin Faculty of Engineering China University of Geosciences Wuhan Hubei 430074 China) Abstract:Project cost construction difficulties and construction cycle of double-arch tunnel are more than two-lane tunnel and small interval tunnel has appeared.In the design of the tunnel in a small clear distance process the width of the middle pillar has considerable effect on tunnel stability and project cost.Factors such as the rock-level structure construction technology have effect on reasonable distance it is difficult to draw prehensive result of various factors by traditional mechanical calculations and experiments.Using the finite element simulation methods and elastoplastic finite element method for strength reduction can calculate rock stress deformation plastic zone distribution under different plex conditions which can determine the reasonable small clear distance according to the results of the analysis. Key words:tu...