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Statistical analysis of causes for design change in highway construction on Taiwan

机译:台湾公路建设设计变更成因的统计分析

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Design change exist in construction projects and often cause cost overrun or schedule delay. Change management is a key issue in project management. The first step of change management is change identification. It includes the recognition of potential change event conditions in the project and the clarification of change responsibilities. We conducted multiple-case studies using statistics analysis to identify change in highway project in Taiwan, to clarify the causes of construction change and to analyze the influence. The results show the differences in engineering properties among embankment roads, viaducts, and tunnels create differences in emphasis in investigating and managing geological concerns. The analysis furthermore indicates that, in order to prevent changes of design because of insufficiency of geologic survey, site-survey shall be enhanced in the feasibility analysis and planning design stages for future similar projects. The finding in the paper can be used as a reference for clients in forming their project procurement strategy.
机译:设计变更存在于建筑项目中,通常会导致成本超支或进度延迟。变更管理是项目管理中的关键问题。变更管理的第一步是变更识别。它包括对项目中潜在变更事件条件的识别以及对变更责任的阐明。我们使用统计分析进行了多案例研究,以识别台湾公路项目的变化,从而弄清施工变化的原因并分析其影响。结果表明,路堤,高架桥和隧道之间工程特性的差异导致了在调查和管理地质问题方面的重点不同。分析还表明,为了防止由于地质调查的不足而导致设计变更,在未来的类似项目的可行性分析和规划设计阶段应加强现场调查。本文的发现可为客户制定项目采购策略提供参考。

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