Is there a formwork at the top of the bottom plate of box culvert with axillary angle?

Top formwork of box culvert bottom plate with axillary angle. The box culvert bottom plate shall be formed with an axillary angle template, and the outer side shall be made of P 150 ordinary plane steel template. The inner formwork of the side wall/roof warehouse adopts simple steel formwork truck, and the outer formwork is assembled by P 150 series formwork, supported by steel pipe scaffold. Plug template adopts fixed template, combined with the position of water stop and the axil angle of splayed wall.