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引用次数: 0

摘要

施工进度加速(CSA)不仅会影响工期,还会影响项目的许多其他方面。在CSA期间,可能会有许多对项目价值有重大影响的影响。先前的研究强调了在CSA中考虑质量、生产力和功能以及成本和时间的重要性。因此,本研究的目的是调查在CSA过程中如何优化价值。采用定性研究方法。总共进行了十次半结构化访谈。使用手动执行的内容分析对访谈数据进行转录和分析。本研究揭示了基于目的(延迟最小化目的或非延迟最小化目的)和发起方的CSA类型。在CSA期间,成本、质量、功能、生产力和盈利能力被确定为除了时间之外的主要价值考虑因素。价值管理(VM)作业计划阶段和挣值管理(EVM)指标在不同CSA阶段对价值优化的适用性也被发现。最后,这些发现被映射到一个框架中,以显示VM和EVM概念如何在CSA期间用于提高价值。该框架概念化了“价值”与CSA之间的关系,以及在不同阶段和不同类型的CSA中,建筑项目不同各方的“价值”是如何变化的。建议的框架可以用作在CSA阶段优化价值的指导。
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OPTIMISING VALUE DURING CONSTRUCTION SCHEDULE ACCELERATION
Construction Schedule Acceleration (CSA) can affect not just the time but many other project aspects. During a CSA, there can be many impacts having significant effects on the project value. Previous studies have highlighted the importance of considering quality, productivity and functionality at a CSA along with cost and time. The aim of this research is, therefore, to investigate how value can be optimised during a CSA process. A qualitative research approach was adopted. Altogether, ten semi-structured interviews were conducted. The interview data were transcribed and analysed using a manually performed content analysis. This study has revealed types of CSA based on the purpose (delay minimising purpose or non-delay minimising purpose) and the party who initiates it. Cost, quality, functionality, productivity and profitability were identified as main value considerations during a CSA other than time. Applicability of value management (VM) job plan stages and Earned Value Management (EVM) indicators during different CSA stages to optimise value were also found. Finally, these findings were mapped in a framework to show how VM and EVM concepts could be used in enhancing value during a CSA. The framework conceptualises the relationship between “value” and CSA and how it varies upon distinct parties of a construction project during different stages and types of CSA. The proposed framework can be used as a guidance for optimising the value during the stages of a CSA.
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