Research On Simulation And Schedule Control Basing On Real-time Monitoring For High Core Rock-fill Dam

The high core rockfill dam is characterized by the large quantity, long duration, complicated process and numerous machinery, and it is affected by the complicated constraint conditions, especially rain. The scheme has been analyzed by the simulation technology in the design stage. The construction process of the high core rockfill dam with randomess and uncertaintis is usually deviated from the plan construction process, so the real-time schedule control by current information to correct the simulation process is necessary. Based on the Real-Time Monitoring System of the high core rockfill dam, theory and methods of the simulation modeling of the high core rockfill dam are studied in the paper. Appling the system simulation technology, the real-time monitoring technology and the scheme control theory, the dynamic simulation and schedule control based on the real-time monitoring of the high core rockfill dam is reseached. The main contents and achievements are summarized as follows:1. Based on the information and content of the real-time monitoring of the high core rockfill dam, the construction process of the filling unit is systemly decomposed. The influence mechanism of real-time monitoring on construction simulation is proposed, under which the dynamic simulation principle based on the real-time monitoring of the filling unit is researched, and the simulation model of the unit construction is established. At last, the filling unit construction process of the NuoZhaDu high core rockfill dam is taken as an example to verify the reliability of the simulaton model.2. According to the strong randomess and the experience of the high core rockfill dam, the method of filling unit division and the machine distribution is proposed based on construction simulation, the integrated optimal model of construction period and machinery utilization for the filling unit division is established, which is applied in the actual construction site, and the validity of the proposed method is proved.3. Considering the construction process of various complicated constraints, the dynamic mathematical logic model of construction simulation for the high core rockfill dam is established, which provides the theoretical basis for analyzing inherent law of the construction process. An integrated self-adapted simulation based on the monitoring system is prompted to inhence the real-time performance and correctness of simulation. The whole construction process of NZD high core rockfill dam is analyzed using the dynamic mathematical simulaton and the result is evaluated conprehensively.4. The real-time control of the construction schedule for the high core rockfill dam is researched, and the construction schedule forecasting and analysis method based on the real-time monitoring for the high core rockfill dam is proposed. According to the basic principle of schedule control, the schedule control process of the high core rockfill dam is established, the implementation method of the dynamic adjustment and control for construction schedule of the high core rockfill dam is discussed. The system of the construction dynamic simulation and the schedule based on the real-time monitoring for the high core rockfill dam is researched and developed, which is the aided analysis tools for the construction management. Meanwhile, the technical support is applied for the construction control.