Material transportation system in construction process of semi-underground powerhouse of hybrid pumped storage power station

The utility model relates to a material transportation system in the construction process of a semi-underground powerhouse of a hybrid pumped storage power station. The method is suitable for the technical field of construction of semi-underground power plants in water conservancy and hydropower engineering. According to the technical scheme, the material transportation system used in the construction process of the semi-underground powerhouse of the mixed pumped storage power station is used for transporting slag materials outwards in the earthwork excavation process of the semi-underground powerhouse and transporting concrete into the semi-underground powerhouse when concrete pouring is conducted on the semi-underground powerhouse. The semi-underground powerhouse is arranged at the bottom of a gully, and the semi-underground powerhouse is characterized in that slag discharging and discharging platforms in the trend direction of the gully are excavated on the two sides of the bottom of the gully where the se