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中文摘要：
目前沥青混凝土心墙坝坝面碾压施工仿真主要考虑碾压机械的工作效率，没有将实际的施工数据融入到仿真模型中，从而降低了仿真的可靠性。针对此问题，本文将碾压过程实时监控引入仿真模型，基于实时监控技术的碾压施工数据，通过数理统计方法，获得贴近实际施工的仿真参数；同时，结合离散事件仿真方法，建立沥青混凝土心墙碾压施工过程的精细化仿真模型；最后，通过MonteCarlo方法计算得到填筑单元的碾压历时和区段初碾合格率。以西南某在建沥青混凝土心墙坝工程为实例进行仿真计算分析，通过置信度检验方法对仿真模型进行验证，并通过局部灵敏度分析的方法对仿真参数进行灵敏度分析，为现场坝面碾压施工的指导和工程进度的控制管理提供技术支持。
英文摘要：
For roller compaction of a dam with an asphalt concrete core, the existing construction simulation has a low reliability since it takes into consideration only the compaction efficiency of rolling machinery, with no on-site construction data being integrated into the model. To overcome such a shortage, this paper presents a simulation model that incorporates the real-time monitoring data of on-site rolling process. This model uses parameters that are calculated from the monitored data and their mathematical statistics to better describe the actual construction. Combining these parameters with a discrete event simulation method, a construction simulation model has been developed for roller compaction of a dam with an asphalt concrete core. In addition, Monte Carlo simulation is adopted to calculate the rolling compaction duration of filling-units and the qualified rate of compacted sections. This new simulation model has been verified through confidence tests in a case study of a rock-fill dam with an asphalt concrete core under construction in Southwest China, and the sensitivity of its simulation parameters is examined by a local sensitivity analysis method. The present study could be used to provide a technical support for schedule control and management of dam construction.
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