Slab pressure loads (Kn/m2) are transferred to supporting beams as line load (kn/m) which can be triangular, trapezoidal, or partially distributed. Slab having two unequal sides distribute trapezoidal load on longer side beam.
Hydrostatic load: The pressure exerted by a fluid at equilibrium at a given point within the fluid, due to the force of gravity. Hydrostatic pressure increases in proportion to depth measured from the surface because of the increasing weight of fluid exerting downward force from above. Hydrostatic load can be trapezoidal but trapezoidal load cannot be hydrostatic. Because hydrostatic load occur due to water.