Abstract
A cut and fill earthworks management system was developed based on 4D CAD and earned value method. The system is composed of a schedule management system, 4D CAD system, cost estimation system, and earned value management system (EVMS). LandXML was employed as the product model to represent terrain data, and IFC was used to represent the process model. We applied the system to a past actual earthworks project and demonstrated that it could facilitate enhancing the control and management of cost and schedule of construction works as well as incorporating the progress payment method effectively.
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