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首页> 外文期刊>Building and Environment >Cost-benefit analysis of Building Information Modeling implementation in building projects through demystification of time-effort distribution curves
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Cost-benefit analysis of Building Information Modeling implementation in building projects through demystification of time-effort distribution curves

机译：通过时间分配曲线的神秘化，在建筑项目中实施建筑信息模型的成本效益分析

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摘要

With a view to legitimizing the adoption of Building Information Modeling (BIM) in the architecture, engineering, and construction (AEC) industry, researchers in recent years have endeavored to develop models that can be used to analyze the costs/benefits of its implementation. However, these models rely heavily on anecdotal evidence, guiding BIM users to identify costs/benefits item by item. As a result, the costs/benefits are too often underestimated or exaggerated. This paper adopts an alternative approach, aiming to measure BIM costs/benefits by demystifying the time-effort distribution curves of real-life AEC processes. Empirical data on two public housing projects - one with BIM implemented and the other without - are used to calculate the costs/benefits of BIM implementation. It is found that, when compared with the non-BIM project, BIM implementation increased the effort input at the design stage by 45.93% (which implies 100.9 HKD/m~2 increase in this study), but at the building stage decreased the cost per square meter of GFA by 8.61% (which indicates 591.76 HKD/m~2 saving in this study). Taking a holistic view of the AEC processes, BIM implementation contributed about a 6.92% cost saving (which means 490.86 HKD/m~2 saving in this study) to the sample BIM project While these research findings can be used to justify the promotion of more widespread BIM adoption in the AEC industry, cost-benefit analysis (CBA) of BIM implementation remains hampered by a general lack of data.
机译：为了使建筑，工程和建筑（AEC）行业中采用建筑信息模型（BIM）合法，近年来，研究人员努力开发可用于分析其实施成本/收益的模型。但是，这些模型严重依赖轶事证据，指导BIM用户逐项确定成本/收益。结果，成本/收益常常被低估或夸大。本文采用另一种方法，旨在通过揭开真实AEC过程的时间-工作量分布曲线的神秘性来衡量BIM成本/收益。使用两个公共住房项目的经验数据（一个已实施BIM，另一个未实施BIM）来计算BIM实施的成本/收益。结果发现，与非BIM项目相比，BIM实施使设计阶段的投入增加了45.93％（这意味着本研究增加了100.9 HKD / m〜2），但在建设阶段降低了成本每平方米建筑面积减少8.61％（本研究表明节省591.76港元/平方米〜2）。从AEC流程的整体观点来看，BIM实施为示例BIM项目贡献了约6.92％的成本节省（在此研究中节省了490.86 HKD / m〜2），而这些研究结果可用于为进一步推广BIM项目辩护。由于BEC在AEC行业中广泛采用，因此BIM实施的成本效益分析（CBA）仍然受到普遍缺乏数据的阻碍。

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