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http://dx.doi.org/10.7734/COSEIK.2020.33.1.35

A Comparison of Quantity Take-Offs of RC Structures based on BIM  

Yoon, Jong Deok (Division of Research, Tomoon Architects)
Cho, Hyun Sik (Division of Research, Tomoon Architects)
Lee, Jae Hong (Division of BIM Business, Glotech.)
Shin, Jae Yong (Division of BIM Business, Linetech.)
Kim, Eun Suk (Division of Technical Business, Changsoft.)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.33, no.1, 2020 , pp. 35-44 More about this Journal
Abstract
In the construction industry, there is a growing demand for the accurate calculation of the quantity take-off and construction budget at the design stage, and it is likewise important to grasp changes in the construction budget and quantity take-off if design alterations are made. In addition, lawsuits related to the quantity take-off and cost of construction are frequent; therefore, the calculation of these factors using building information modeling (BIM) has emerged as an alternative. However, existing 2D-based methods are still used more frequently than BIM-based methods for quantity take-offs and construction budgets. This is because of the lack of BIM experience of estimation workers and the absence of a national standard. However, from a designer's point of view, it is necessary to understand the quantity take-off and construction cost based on BIM and accurately create the design according to the budget. In this study, the quantity take-offs of concrete, rebar, and reinforced concrete structures (apartments) in Seoul and Yeongjong were compared with the quantity take-offs based on 2D and BIM methods. From the viewpoint of the designer, we aim to increase the accuracy of BIM-based quantity take-offs.
Keywords
quantity take-off; preliminary cost estimation; building information modeling (BIM);
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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