Title |
A Study on the Effective Calculation of Rebar QTO in the Early Design Phase through the Application of BIM Model |
DOI |
https://doi.org/10.5659/JAIK_SC.2019.35.5.145 |
Keywords |
BIM ; Parameter ; Early Design Phase ; RC ; Rebar QTO(Quantity Take-Off) |
Abstract |
In this study, rebar QTO(Quantity Take-Off) was quickly produced from the BIM model prepared by Revit in the early design phase, and
the available premium rates were quantitatively presented. For this purpose, the amount of rebar calculated using the BuilderHub, which
specializes in calculating rebar QTO, was analyzed according to various factors such as member type, rebar diameter, building size, item
type, and order length, and the effect of each factor on the rebar QTO was determined. In addition, the BIM model generated on Revit was
used to establish parameters and processes required to produce rebar QTO, and proposed a rebar premium rate and a stirrup/hoop premium
rate based on the BuilderHub output results. Through this study, it is expected that a rapid and efficient comparative evaluation of rebar
QTO will be possible according to various structural design alternatives in the early design phase. |