Introduction to the 19th floor reinforced concrete structure:! This drawing is the structural construction drawing of XXX ground frame structure office building, with seismic fortification intensity of 4, including: foundation plan, first floor column reinforcement plan, first floor beam reinforcement plan, first floor slab reinforcement plan, floor column reinforcement: underground 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1