虎门二桥锚碇基础施工质量风险防控措施

发布时间：2018-05-14 10:52

本文选题：悬索桥 + 锚碇基础　；参考：《重庆交通大学》2015年硕士论文

【摘要】：根据国内、外的经验看,悬索桥作为大跨度桥梁的首选桥型,而已建成和在建的悬索桥锚碇基础越来越多采用地连墙支护结构;采用地连墙支护结构锚碇基础涉及到地基处理,地连墙成槽、内衬及土体开挖,锚碇基础的顶底板大体积混凝土施工、填芯混凝土等施工环节,而且一般工期较长,施工过程中就容易在项目风险管理上造成各种弊端,一旦出现事故,往往社会影响巨大,且势必会对项目本身不管从人力、物力、财力还是其他资源上造成极大的损失。本文以虎门二桥项目锚碇基础施工过程中的质量风险防控为题进行研究,以提升锚碇基础施工过程中的风险控制效率,降低企业施工质量面临的风险。本文针对的研究对象为虎门二桥锚碇基础施工,其在项目风险管理上面临的问题较多,包括同类项目中普遍存在的技术风险(勘测、设计、基坑失稳、施工、环境等风险),政策风险(政府政策、施工合同等)及其他风险问题,如果不注意有效的防范,势必造成严重的后果和后续投入更多资源进行弥补。本文以该项目的风险防控和对策作为研究对象,研究采用项目管控方法,完善锚碇基础的质量风险防控设计和管理优化,并使风险管理和高效施工达到动态的均衡。并以此促进国内同类锚碇基础工程在项目实践中使用,以不增加资源利用的项目管理方法,在确保质量前提下、使工程项目高效推进,为企业节约资源。
[Abstract]:According to domestic and external experience, suspension bridge is the first choice of long-span bridge, and the anchor foundation of suspension bridge which has been built and is under construction is more and more used the ground connecting wall support structure, and the Anchorage foundation of the ground connecting wall support structure is related to the foundation treatment. The construction links such as grooving, lining and soil excavation, mass concrete construction of roof and bottom slab of Anchorage foundation, core-filled concrete and so on, and generally long construction period, will easily lead to various disadvantages in project risk management during construction. In the event of an accident, the social impact is often enormous, and it will inevitably cause great losses to the project itself in terms of manpower, material resources, financial resources and other resources. In this paper, the quality risk prevention and control in the construction of the Anchorage foundation of Humen No.2 Bridge Project is studied in order to improve the efficiency of the risk control during the construction of the Anchorage Foundation and to reduce the risk faced by the construction quality of the enterprise. The research object of this paper is the Anchorage foundation construction of Humen No.2 Bridge, which is faced with many problems in project risk management, including the technical risks (survey, design, foundation pit instability, construction, etc. Environmental risk, policy risk (government policy, construction contract, etc.) and other risk problems, if we do not pay attention to effective prevention, will inevitably cause serious consequences and the subsequent investment of more resources to make up for it. This paper takes the risk prevention and control and countermeasures of the project as the research object, studies the project management and control method, consummates the quality risk prevention and control design and the management optimization of the Anchorage foundation, and makes the risk management and the efficient construction achieve the dynamic balance. In order to promote the similar Anchorage foundation engineering in our country to be used in the project practice, in order not to increase the resource utilization of the project management method, under the premise of ensuring the quality, the project can be advanced efficiently and save the resources for the enterprise.
【学位授予单位】：重庆交通大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U445.55

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