Construction process of pipe culverts

Measurement and setting out → foundation pit excavation → foundation pit bearing capacity test → binding foundation steel bars and culvert body steel bars → pre-embedded installation formwork → pouring floor concrete in blocks → tying culvert body steel bars and installation formwork → segmentation Pouring concrete for the body → Installing scaffolding throughout the hall and bottom formwork of the cover plate → Binding steel bars and vertical formwork for the cover plate → Pouring concrete for the cover plate → Stacking the opening and construction of the splayed wall → Filling the settlement joints of the closed cover plate with asphalt batting and sealing the outer asphalt sheet Brush asphalt waterproofing agent on the outer wall of the culvert and the surface of the cover → backfill the back of the culvert