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| Project Buffer Management Based on Activity Resilience |
| ZHANG Junguang，JI Fei |
| University of Science and Technology Beijing, Beijing, China |
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Abstract In order to improve the comprehensive performance of the project, the project buffer is determined based on the operating cost of activities. We therefore propose a new concept, Project resilience, to indicate and determine the buffer that should be taken from the activity duration. A buffer monitoring model with good buffer redistribution capability is next established based on the setting of rolling periods and the cumulative buffer. The simulation results show that the proposed method can significantly reduce the warning frequency, especially the red warning frequency, and can improve the adverse trend of traditional buffer monitoring methods that red warning frequency increases with the implementation of the project. Compared with the static buffer monitoring method and the relative buffer monitoring method, the project cost and the comprehensive performance of the proposed method are greatly improved. Therefore, it can effectively reduce the cost of the project and ensure the project completed on time.
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Received: 09 December 2019
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