精益建造工作流可靠性研究

发布时间：2018-07-04 13:06

本文选题：精益建造 + 工作流可靠性　；参考：《天津大学》2014年硕士论文

【摘要】：本文目的是研究精益建造中的工作流可靠性,识别出影响工作流可靠性的关键因素并探究这些关键因素的作用机制,在此基础上,提出工作流可靠性的评价模型,为实际建筑项目中管理好工作流,提高工作流可靠性进而降低成本,提高质量提供一定的参考和借鉴。本文首先通过文献阅读整理出影响精益建造工作流可靠性的因素,以此为基础设计并发放调查问卷收集数据,采用因子分析的方法识别出影响工作流可靠性的关键因素,然后提出假设,运用结构方程模型研究关键因素的相互作用机制,并得到最终的关系模型,最后本文提出工作流可靠性评价模型。经过数据的分析,本文识别出5个关键因素,分别是劳动资源、管理水平、项目各方支持程度、工作流可视化、返工和天气。构建结构方程模型时,本文提出12个假设,最终拒绝了3个假设。根据最终的模型发现,劳动者忠诚度对劳动资源的影响程度最强,充分的前期准备工作对管理水平的影响程度最强,业主的干预对项目各方支持程度的影响最强,信息透明和快速传递对可视化影响程度最强。同时本文也发现了这些影响工作流可靠性关键因素之间的其他相互关系,即管理水平和项目各方支持程度有正相关关系。在识别出工作流可靠性关键因素和研究关键因素作用机制的基础上,本文提出工作流可靠性的评价模型,从量化的层面来对工作流可靠性进行评价,从而可以有针对性的采取相应的措施来提高工作流的可靠性。本文的研究成果对于项目经理理解工作流可靠性并采取有效措施提高工作流可靠性有一定的参考和帮助。
[Abstract]:The purpose of this paper is to study the reliability of workflow in lean construction, identify the key factors that affect the reliability of workflow, and explore the mechanism of these key factors. On the basis of this, the evaluation model of workflow reliability is put forward. It can provide some reference for managing workflow, improving workflow reliability, reducing cost and improving quality in actual construction project. In this paper, the factors that affect the reliability of lean construction workflow are sorted out by reading the literature. Based on this, the questionnaire is designed and distributed to collect data, and the key factors that affect the reliability of workflow are identified by factor analysis. Then the hypothesis is put forward, and the interaction mechanism of key factors is studied by using structural equation model, and the final relational model is obtained. Finally, a workflow reliability evaluation model is proposed in this paper. Through the analysis of the data, the paper identifies five key factors, which are labor resources, management level, project support level, workflow visualization, rework and weather. In constructing the structural equation model, 12 hypotheses were proposed, and 3 hypotheses were rejected. According to the final model, the labor loyalty has the strongest influence on the labor resources, the sufficient preparatory work has the strongest influence on the management level, and the owner's intervention has the strongest influence on the support degree of the project parties. Transparency and fast transmission of information have the strongest influence on visualization. At the same time, we also find that there are other relationships between the key factors that affect workflow reliability, that is, there is a positive correlation between the level of management and the degree of support of the project parties. On the basis of identifying the key factors of workflow reliability and studying the mechanism of the key factors, this paper presents a workflow reliability evaluation model, which evaluates workflow reliability from a quantitative level. So we can take corresponding measures to improve the reliability of workflow. The research results of this paper have some reference and help for project manager to understand workflow reliability and take effective measures to improve workflow reliability.
【学位授予单位】：天津大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：F426.92;F273

【参考文献】