Concrete Calculator

Concrete Calculator

Slab Properties

Slab Thickness: 150 mm

Characteristic Compressive Cylinder Strength (Mpa):

20 Mpa - Max Shear Strength 3.7 MPa 25 Mpa - Max Shear Strength 4.5 MPa 28 Mpa - Max Shear Strength 5.0 MPa 30 Mpa - Max Shear Strength 5.3 MPa 32 Mpa - Max Shear Strength 5.6 MPa 40 Mpa - Max Shear Strength 6.7 MPa

Material:

Concrete Concrete with Fibre Reinforcement (bar or fibre)

Substrate Description (Modulus of Subgrade Reaction):

Fine or slightly compacted sand - k [MPa/mm] 0.015 - 0.03 (Avg 0.0225) Well compacted sand - k [MPa/mm] 0.05 - 0.1 (Avg 0.075) Very well compacted sand - k [MPa/mm] 0.1 - 0.15 (Avg 0.125) Loam or clay (moist) - k [MPa/mm] 0.03 - 0.06 (Avg 0.045) Loam or clay (dry) - k [MPa/mm] 0.08 - 0.1 (Avg 0.09) Clay with sand - k [MPa/mm] 0.08 - 0.1 (Avg 0.09) Crushed stone with sand - k [MPa/mm] 0.1 - 0.15 (Avg 0.125) Coarse crushed stone - k [MPa/mm] 0.2 - 0.25 (Avg 0.225) Well compacted crushed stone - k [MPa/mm] 0.2 - 0.3 (Avg 0.25)

Width of the Racking Leg/Column

Width of the Racking Leg/Column: mm

Moment Capacities

Kind of Concrete: Select Kind of Concrete FibreProduct 25 MPa Concrete FibreProduct 40 MPa Concrete

Single Point Load

Ultimate Design Point Load: kn

Dual Point Load

Dual - Ultimate Design Point Load 1: kn Dual - Ultimate Design Point Load 2: kn Centre Line Spacing between 2 point loads: mm

Quadruple Point Load

Quadruple - Ultimate Design Point Load 1: kn Quadruple - Ultimate Design Point Load 2: kn Quadruple - Ultimate Design Point Load 3: kn Quadruple - Ultimate Design Point Load 4: kn Centre Line Spacing between 2 point loads X: mm Centre Line Spacing between 2 point loads Y: mm

Punching Shear

Design Point Load: kn Base Plate Thickness: mm Unreinforced Concrete Minimum Shear Stress: MPa Effective Dimensions of Bearing Plate [mm]: x mm

Results - Point Loads