摘要(英) |
CUI (Concrete Usage Index), one of the most important Singapore BCA (Building & Construction Authority) Green Mark sustainability indexes, has been extensively utilized in construction projects and is calculated in accordance with building geometry. However, it does not shed light on the information regarding how much greenhouse gas, like carbon dioxide, methane, is generated for a given construction project in analysis, which can be determined by using BEES (Building for Environmental and Economic Sustainability), developed by U.S. NIST (National Institute of Standards and Technology). Nevertheless, the information presented by BEES is not related to building geometry, which implies that an architect cannot adjust the building’s geometry in order to find out the optimal design regarding the environmental impact. This research aimed at combining the benefits of both CUI and BEES and at creating an integrated sustainable index calculation system. The system can automatically retrieve a building’s geometry data from a Revit file and perform the CUI calculation task. It will then synthesize the BEES output data to show how much greenhouse gas generated for a given BIM model. To calculate CUI, a Revit add-in was created. Then, several EXCEL macros were crafted to collect data from BEES and to combine them with the CUI add-in. A total of 24 cement types from BEES, each holding 26 attributes and 4 subtotals, was compiled into the CUI codes, in order to show the amount of greenhouse gas for a project. The system should be able to assist architects as well as construction managers in estimation of greenhouse gas impact in accordance with a BIM model automatically, which may expedite the design cycle to quickly find out the best design from the perspective of environmental impact. |
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