Technical 2D cross-section detail showing a 500mm diameter pipe crossing beneath a roadway. The assembly features a 20cm thick reinforced concrete protection slab using Grade H-30 concrete with specific rebar reinforcement (Fe.16a15 and Fe.8a15). The section shows the road sub-base with a 95% Modified Proctor compacted seal and asphalt concrete pavement layers.
Dimensions specify a 1.30m wide crossing trench with 5cm expanded polystyrene joints on the sides. Technical notes provide specific requirements for vibrating plate compaction (70 to 100 kg), 20cm maximum layer thickness, and load transfer bar specifications. This detail is used for urban infrastructure and civil drainage works. Cruce tubería bajo calzada.
