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°øµ¿ÁÖÅÃÀÇ ÁöÇÏÁÖÂ÷Àå °ø»çºñ ¿¹Ãø ¸ðµ¨¿¡ °üÇÑ ¿¬±¸ / A Study on the Cost Model of Underground Parking Lot of Apartment Housing Projects in the Early Stage |
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¾È¼ºÈÆ (An Sung-Hoon) ; °°æÀÎ(Kang Kyung-In) |
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´ëÇѰÇÃàÇÐȸ³í¹®Áý ±¸Á¶°è, v.21 n.5 (2005-05) |
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½ÃÀÛÆäÀÌÁö(135) ÃÑÆäÀÌÁö(8) |
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ÁöÇÏÁÖÂ÷Àå ; °ø»çºñ ¿¹Ãø ¸ðµ¨ ; ȸ±ÍºÐ¼® ; ºÎÀ§º° °ßÀû ; Underground parking lot ; Cost model ; Regression analysis ; Elemental unit cost |
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Recently, though the ratio of underground parking lot is increasing in apartment housing projects, cost models for new apartment housing projects in the early stages have been focused on residential buildings. Therefore, the objective of this study was to develop the cost model of underground parking lot of apartment hosing projects in the early stage. In this study, the main factors, which influence the construction cost of underground parking lot, were determined by construction estimators, and 26 cases were collected from construction companies. The regression cost model, which used a regression analysis, and the elemental unit cost model, which used a elemental analysis, were proposed. For determining the superior cost model, results of two cost models were compared, and showed that the elemental unit cost model can produce more accurate results. Therefore, though this study had the limitation such as the regression cost model used only 21 data, the elemental unit cost model was more efficient than the regression cost model. This study concluded that the elemental unit cost model can make the estimating the cost of the underground parking lot efficient. |