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论文编号：	1155
作者编号：	2220070671
上传时间：	2009/6/12 10:46:56
中文题目：	莱钢大中修项目质量与工期控制模
英文题目：	Laigang repair large and mediu
指导老师：	吴晓云
中文关键字：	莱钢 大中修 工期质量 控制模<
英文关键字：	laigang repair large and medi
中文摘要：	冶金企业设备大中修具有工期长、系统要求高、施工紧凑、组织难度大、质量要求高等特点。施工工期、质量控制的好坏是决定冶金设备大中修成败的关键。 就目前，莱钢120吨转炉来说设备大中修工期与质量控制方面还存在一些问题。造成实施过程中工期偏离目标值, 设备在一个大修周期内质量得不到彻底保证,使生产被动,检修及维护费用增加,影响职工安全及企业整体经济效益。为此研究莱钢120吨转炉大中修工期与质量控制方法及具体内容，对于企业科学的控制转炉大中修工期和质量，从而提高企业的经济效益具有非常重要的意义。 本文研究的意义在于为将来在指导莱钢或其他冶金企业大中修工期与质量控制方面提供指导意见。促进设备大中修管理水平提高。本文研究的方法在于以系统科学的思想为指导来分析影响转炉大中修项目工期质量的因素，并研究之间的内在关系，从而找出影响因素的关键点，结合本人在组织转炉大中修方面的实践经验，通过理论来指导实践，通过实践来丰富理论，建立起莱钢120吨转炉大中修工期与质量控制模型，并依据控制模型对实施转炉大中修工期与质量控制方法展开研究。本文的技术路线按照“现状回顾 → 建立模型 → 依据模型实施研究 → 结论”,四个相互关联的部分顺序展开论述。通过对项目管理在国内外的研究现状，工期与质量控制相关理论的回顾，分析目前冶金设备大中修工期质量控制现状和存在问题，所采用的控制方法比较单一，没有一定的控制模型，控制技术的实际应用性差：在实施工期控制中缺少系统性及连贯性：缺乏现代项目管理理论的指导，对风险预见不足，容易受意外事故影响。合同管理重视不够：PDCA循环控制执行不好。问题的成因在于缺乏现代项目管理知识作指导：受传统计划经济的影响； 缺乏控制模型： 创新性不强，下一步重点加强理论培训，使管理人员熟练掌握项目管理内容和知识。分析莱钢120吨转炉大中修工期与质量控制项目特点，对项目内容项目范围进行核实，以便使项目范围饱和了为完成工期与质量控制目标所包含的全部内容。对本次检修内容进行总结，本次莱钢120吨转炉大中修主要内容包含更换转炉托圈、炉壳、全悬挂减速机、转炉余热锅炉、电除尘及相应电器自动化项目，设备总拆除及更换总重量2000于吨.特点是工期长，系统要求高,施工组织难度大,质量要求高等特点。根据然后依据项目内容，项目特点和项目管理相关理论建立起莱钢120吨转炉大中修工期与质量控制模型，并依据120吨转炉大中修工期与质量控制模型展开论述。分析莱钢120吨转炉大中修工期与质量控制项目特点，对项目内容进行核实。质量控制阶段，事前主要抓好，确定项目承包方 签订施工合同和验收协议，对施工影响因素进行分析，建立质量保证体系，制订质量管理计划，制订维修技术标准，质量事故处理 等内容。事中主要抓好对影响因素进行检查确认，制订具体质量保证措施，设立关键质量控制点并依据标准重点进行检查验收，竣工验收阶段质量控制内容设立关键质量控制点并依据标准重点进行检查验收，竣工验收阶段质量控制内容。事后控制主要是对项目质量控制进行整体评价召开会议针对实际控制效果对控制模型进行补充和完善。工期事前控制主要内容成立领导机构，与施工方签订工期控制合同，分析影响因素拿出控制措施，编制施工总计划和关键线路甘特图，并不断研讨优化施工方案确保关键线路按计划完成，分析完善施工进度保证措施。施工阶段工期控制方法和内容为加强施工协调配合，强化计划管理，加强信息沟通，及时对进度实施动态监测并纠偏。工程竣工后进度控制内容和方法为对项目工期进行整体评价。 主要创新点在于建立了莱钢120吨转炉大中修工期质量控制模型，并且依据模型，分阶段实施控制管理构成了模型的主体。使工期质量控制管理更加具有系统性和连贯性，整个模型控制坚持PDCA循环保证不断完善和提高。理论和实践相结合,从而使研究方法具有很高的科学性和实用性；论文不足在于没有将二者系统进行阐述，在实际工作中两者往往存在着矛盾关系，过份追求质量必然影响工期，过分强调工期也会影响质量，需要辩证的处理两者之间的关系，为企业取得最佳经济效益。对后续研究建议如下：针对工期与质量控制开展集成化研究， 针对如何将项目管理软件与计算机应用到转炉大中修工期与质量控制当中进行研究。针对工期、质量与成本控制展开研究同时借鉴将来生产实践，开发更多有针对性的、实用的、操作性强的工期与质量控制方法作为我们今后的研究方向。 本文以项目管理进度与质量控制理论为指导，从控制原理、控制方法等方面对莱钢120吨转炉大中修工期与质量控制进行定量和定性分析研究，在研究中重视系统分析，采用理论和实践相结合的研究方法，从而提高研究的科学性和实用性。
英文摘要：	Large and medium-sized metallurgical equipment repair business with a long period, the system requirements, compact construction, organizational difficulties and high quality requirements. Construction project, quality control is to determine the quality of metallurgical equipment essential to the success of large and medium-sized repair. For now, 120 tons Laigang converter repair large and medium-sized construction equipment for quality control and there are still some problems. Caused by the implementation of the process of deviation from the target period, equipment overhaul cycle in a complete lack of quality assurance that the production of passive, overhaul and maintena nce costs increase, the impact of staff safety and the overall economic benefits of enterprise. 120 tons for this study Laigang converter repair large and medium-sized construction and quality control methods and the specific content of the control for the enterprise of science converter repair large and medium-sized construction and quality, thereby enhancing the economic efficiency of enterprises of great significance. The significance of this paper is to guide the future Laigang or other metallurgical enterprises large and medium-sized repair and quality control project to provide guidance. To promote the level of equipment to improve the management of large and medium-sized repair. In this paper, the method is that the system of science as a guide to analyze the impact of large and medium-sized converter repair factors in the quality of the project period and to study the intrinsic relationship between, in order to identify the key influencing factors, the combination of I in large and medium-sized organizations converter repair aspects of practical experience, through the theory to guide practice and to enrich the theory through practice, build up 120 tons of converter Laigang repair large and medium-sized construction and quality control model and control model based on the implementation of large and medium-sized converter repair and quality control of construction methods of research . In this paper, the technical route in accordance with the "status quo recalled model → model → Research → based on the conclusions," part of four interrelated launched on the order. Project management through the study of the status quo at home and abroad, construction and quality control review of the relevant theory, to analyze the current large and medium-sized metallurgical equipment repair status and project quality control problems, the methods used to control a single, not necessarily the control model, control the practical application of difference: in the implementation of project control and the lack of systemic coherence: the lack of modern project management theory, risk less than predictable, easily affected by the accident. Contract management has not placed enough emphasis: PDCA cycle implementation of good control. The causes of the problem lies in the lack of knowledge of modern project management guidance: by the traditional planned economy; the lack of control model: innovation is not strong, the next step to place greater emphasis on theoretical training, so that project managers master the content and knowledge management. Analysis of 120 tons of converter Laigang repair large and medium-sized construction projects and quality control features, the scope of the project to verify the contents of the project so that the scope of the project completion time for the saturation and quality control objectives included in its entirety. Overhaul of the content of this summary, the 120 tons Laigang converter contains the main contents of large and medium-sized repair replacement ring converter, furnace shells, the reducer suspension, converter waste heat boiler, electrostatic precipitator and the corresponding electrical automation project, the total demolition and replacement of equipment on the total weight of 2000 tons. characterized by a long period, the system requirements, construction difficulty, high quality requirements. According to the project and then based on the content of the project characteristics and project management related to the theory set up 120 tons of converter Laigang repair large and medium-sized construction and quality control model, and 120 tons of converter based on large and medium-sized repair and quality control of model construction to start on. Analysis of 120 tons of converter Laigang repair large and medium-sized construction projects and quality control features, to verify the contents of the project. Quality control stage, the main well in advance, the contractor of the project construction contract entered into an agreement and acceptance, the impact of factors on the construction of analysis, quality assurance system, the development of quality management plan, and formulate technical standards for maintenance, quality, etc. to deal with the accident. Do a good job done in the main factors affecting the inspection confirmed that the development of specific quality assurance measures, the establishment of key quality control points and the focus of the inspection in accordance with accepted standards, quality control of final acceptance phase of the contents of the key quality control points set up and the focus of the inspection in accordance with accepted standards, acceptance stage of completion of the contents of quality control. Ex post facto control of the project is to conduct an overall evaluation of quality control for the actual control of meeting the control model of the effect of added and improved. The main contents of the control period before the establishment of lead agency, and signed the construction contract project control, analysis factors out the impact of control measures, preparation of construction master plans and Gantt Chart Critical Path, and continue to optimize the construction program of study to ensure that the critical path is scheduled to be completed, analysis assurance measures to improve the construction schedule. Construction project control methods and content to enhance the coordination of construction, strengthen program management, information communication, timely and dynamic monitoring of the progress of the implementation of corrective. After completion of the project, the progress of the content and methods of control for the duration of the project to conduct an overall evaluation. The main innovation is the establishment of 120 tons of converter Laigang repair large and medium-sized construction quality control model, and based on the model, control and management will be implemented in phases constitute the main body of the model. Quality control of project management so that more systematic and consistent, adhering to the entire model control PDCA cycle to ensure continuous improvement and enhanced. A combination of theory and practice so that research methods are highly scientific and practical; paper is not lack of will on both systems, in practice there are often contradictions between the two relations, will inevitably affect the quality of over-the pursuit of period , too much emphasis on the quality of construction will also affect the need to deal with the dialectical relationship between the two was achieving best value for the enterprise. Follow-up study of the following recommendations: duration and quality control for carrying out integrated research, how to project management for software and computer application to the converter repair large and medium-sized construction and quality control studies were carried out. For the duration, quality and cost-control study of production at the same time learn from the practice of the future, the development of more targeted, practical, operational and quality control of construction methods as part of our future research directions. In this paper, the progress of project management and quality control theory as a guide, from the control principle, control methods converter of 120 tons Laigang repair large and medium-sized construction and quality control analysis of quantitative and qualitative research, attention to analysis in the study, the use of theory and practice of combining research methods, thereby enhancing the scientific research and practical.
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