而由于土石坝和面板堆石坝施工的主要环节就是坝体的土石方填筑，因而土石方调配平衡问题是堆石坝施工中重要的关键性问题。
And since concrete face rockfill dam and construction of the dam is the main filled with earth filling , thus allocation of the balance system of earth fill dam construction is an important key issues .
土石方填筑