项目群施工进度协同控制技术研究

发布时间：2018-10-30 17:20

【摘要】：项目群成本高、工期长、风险大,施工中出现的问题繁杂多样,必须对项目群施工进度有效控制。此外,项目群施工过程中项目众多,需要资源繁杂,资源分配难度大,容易出现某时段内资源分配不均衡,也十分容易出现某些资源的短缺,如何合理的分配和使用资源是项目群施工进度控制的关键一环。本文首先总结了进度计划编制、项目群施工进度控制、项目群协同控制、基于资源优化配置的进度控制等方面的研究现状,对现状的项目群管理的水平和方向有了一个总体的把控。在国内外学者研究的基础上,总结了项目群的定义、项目群控制特征,分析了项目群施工阶段特点,阐述了施工进度计划的理论、编制方法和控制方法。在此基础上,通过项目群控制流程、项目群进度控制和多维度施工进度控制关键技术三方面内容进行了详细的阐述和分析。依据项目群关键技术,详细研究了项目优先级的确定、工作结构的分解、子项目工期优化和多维度施工进度控制模型构建。基于关键链方法,研究了项目群施工进度计划编制方法,着重阐述了项目群进度计划的影响因素、编制目标的确定、关键链的确定和缓冲区的设置。因项目群各项目的差异化,对目标整合时,需要识别目标冲突、分析成因、消解冲突。针对项目群施工资源配置中出现资源配置不均衡导致拖延工期的问题,应用概率论原理,以方差作为衡量指标,以方差最小为目标,构建项目群资源均衡配置的模型,从而实现资源均匀分配,通过实例比较分析,显著的提高了平衡度,验证了资源均衡优化模型的有效性。基于规划理论构建了资源供给不足时项目群资源优化配置模型。应用规划理论,建立了关于人工、材料资源分配的线性模型,以延迟工期最短和增加成本最小为目标函数,合理地分配资源。并通过实例应用进行分析,为实际工程中出现状况时如何优化配置提供了参考。最后提出了项目群施工进度控制措施,从施工进度的跟踪入手,找出偏差原因,确定调整偏差的方法,对快速回归正常的施工进度起到关键作用。
[Abstract]:The construction schedule of the project group must be controlled effectively because of its high cost, long construction period, great risk and various problems in construction. In addition, there are many projects in the construction process of the project group, which require a lot of resources and are difficult to allocate. It is easy to find that the distribution of resources is not balanced within a certain period of time, and it is also easy to appear the shortage of some resources. How to allocate and use resources rationally is a key part of project group construction schedule control. Firstly, this paper summarizes the status quo of progress planning, project group construction schedule control, project group collaborative control, scheduling control based on optimal allocation of resources, and so on. There is an overall control over the level and direction of current project group management. Based on the research of scholars at home and abroad, this paper summarizes the definition of project group, the characteristics of project group control, analyzes the characteristics of construction stage of project group, and expounds the theory, compilation method and control method of construction schedule plan. On this basis, through the project group control flow, the project group schedule control and multi-dimensional construction progress control key technologies are described and analyzed in detail. According to the key technology of project group, the determination of project priority, the decomposition of work structure, the optimization of subproject duration and the construction of multi-dimensional construction schedule control model are studied in detail. Based on the method of critical chain, this paper studies the method of making construction schedule of project group, and emphatically expounds the influencing factors of project group schedule, the determination of compiling goal, the determination of key chain and the setting of buffer zone. Because of the difference of each project in the project group, it is necessary to identify the conflict, analyze the cause of formation and resolve the conflict. In view of the problem that the unbalanced allocation of construction resources in the project group leads to the delay of the construction period, applying the principle of probability theory, taking the variance as the measure index and taking the minimum variance as the goal, the model of the balanced allocation of the resources of the project group is constructed. Through the comparison and analysis of examples, the balance degree is improved significantly, and the effectiveness of the resource equilibrium optimization model is verified. Based on the planning theory, the optimal allocation model of project group resources is constructed when the supply of resources is insufficient. Based on the programming theory, a linear model for the allocation of artificial and material resources is established. The objective functions are the shortest delay period and the minimum increase cost, and the resources are allocated reasonably. It provides a reference for how to optimize the configuration when the situation occurs in the actual project. Finally, the paper puts forward the control measures of project group construction schedule, starting with the track of construction progress, finds out the cause of deviation and determines the method of adjusting deviation, which plays a key role in returning to normal construction progress quickly.
【学位授予单位】：沈阳建筑大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TU722

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