Toe slab is an important component of the anti-seepage system of the entire concrete face rockfill dam,which can ensure an impermeable connection between the face slab and the dam foundation.Toe board foundation is one of the important concealed works.It is very important to do a good job in quality control of toe board foundation excavation for toe board construction.If there are problems with quality management,it is easy to cause various problems such as under excavation,over excavation,unreasonable dimensions,and foundation displacement,which can have an impact on the quality of the project.Therefore,the excavation construction of the dam toe slab foundation must be strictly carried out in accordance with the design and specifications,and on-site construction must be operated in a standardized and procedural manner to ensure the quality of the project construction.
pumped storage power stationexcavation of toe board foundationquality control
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