Abstract :
To plan a multi-storey building with reinforced concrete generally uses a structure
of floor slabs, beams and columns. The design of this 2-story shophouse is
planned to use a flat plate (Flat Plate) with the equivalent portal method. A flat
plate is a flat-thickness concrete slab that transfers the load directly to the support
column without the aid of beams. Plates of this type can be made quickly due to
the simple formwork and arrangement of reinforcement. Flate plates are planned
to be uniform with dimensions of 4500 x 3000 mm as many as 9 panels, plate
thickness 110 mm with concrete quality 25 MPa, reinforcing quality 280 MPa and
based on the provisions in SNI 1727;2020 and SNI 2847;2019. Flat plate analsis
uses the equivalent portal method, Etabs and Microsoft Excel. The final analysis
of the flat plate without beams obtained reinforcement Ø 20 ? 100 for the fulcrum
around the confluence of plates and columns, for repeating in the field area of the
column path used reinforcement Ø 20 ? 200, and in the field area in the middle
lane Ø 20 ? 40 reinforcement is used. The calculation of Rab in the planning for
the construction of a 2-story shophouse was obtained worth Rp. 326,066,000.