Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
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Alithea Fernandes
Don Bosco College of Engineering (DBCE), Goa
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2 Other formulas that you can solve using the same Inputs

Maximum Shear Strength
Shear strength=(10*Overall thickness of wall*0.8*Horizontal length of wall*(Characteristic compressive strength )^(1/2)) GO
Youngs modulus of concrete
Young's modulus of concrete=5000*(Characteristic compressive strength ^(1/2)) GO

Modulus of Rupture of Concrete Formula

Modulus of rupture of the concrete=7.5*((Characteristic compressive strength )^(1/2))
f<sub>r</sub>=7.5*((fck)^(1/2))
More formulas
Weight of Cementitious Materials in Batch when Water Cementitious Ratio is Given GO
Weight of Mixing Water in Batch when Water Cementitious Ratio is Given GO
Water Cementitious Ratio GO
Absolute Volume of the Component GO
Weight of the Material when Absolute Volume of the Component is Given GO
Specific Gravity of the Material when Absolute Volume of the Component is Given GO
Modulus of Elasticity of Concrete in USCS Units GO
Modulus of Elasticity of Concrete in SI Units GO
Modulus of Elasticity of Normal Weight and Density Concrete in USCS Units GO
Modulus of Elasticity of Normal Weight and Density Concrete in SI Units GO
Tensile Strength of Normal Weight and Density Concrete in USCS Units GO
Tensile Strength of Normal Weight and Density Concrete in SI Units GO
Positive Moment for End Spans if Discontinuous End is Unrestrained GO
Positive Moment for End Spans if Discontinuous End is Integral with Support GO
Positive Moment for Interior Spans GO
Negative Moment at Exterior Face of First Interior Support for Two Spans GO
Negative Moment at Exterior Face of First Interior Support for More Than Two Spans GO
Negative Moment at Other Faces of Interior Supports GO
Negative Moment at Interior Faces of Exterior Supports where Support is a Spandrel Beam GO
Negative Moment at Interior Faces of Exterior Support where Support is a Column GO
Shear Force at All Other Supports GO
Shear Force in End Members at First Interior Support GO
28-Day Concrete Compressive Strength GO
28-Day Concrete Compressive Strength when Water Cement Ratio is Given GO
Water Cement Ratio when 28-Day Concrete Compressive Strength is Given GO
Modulus of Elasticity for Normal Weight Concrete GO
Modulus of Elasticity GO
Basic Development Length for Bars and Wire in Tension GO
Area of Bar when Basic Development Length is Given GO
Bar Steel Yield Strength when Basic Development Length is Given GO
Bar Steel Yield Strength when Basic Development Length for No 14 Bars is Given GO
Basic Development Length for No 14 Bars GO
Basic Development Length for No 18 Bars GO
Bar Steel Yield Strength when Basic Development Length for No 18 Bars is Given GO
Equation for Crack Control Specific Limits GO
Stress Calculated in Crack Control GO
Live Load Effect when Ultimate Strength is Given for Unapplied Wind and Earthquake Loads GO
Basic Load Effect when Ultimate Strength is Given for Unapplied Wind and Earthquake Loads GO
Ultimate Strength when Wind and Earthquake Loads are not Applied GO
Ultimate Strength when Wind Loads are Applied GO
Basic Load Effect when Ultimate Strength is Given for Applied Wind Loads GO
Wind Load Effect when Ultimate Strength is Given for Applied Wind Loads GO
Cracking Moment for Reinforced Concrete Beams GO
Moment of Inertia of Gross Concrete Section when Cracking Moment is Given GO
Distance From the Centroidal Axis when Cracking Moment is Given GO
Distance from Extreme Compression Surface to Neutral Axis in Compression Failure GO
Modular Ratio GO
Compressive Stress in Extreme Concrete Surface GO
Stress in Steel GO
Distance from Extreme Compression to Centroid when Steel Ratio is Given GO
Area of Tension Reinforcement when Steel Ratio is Given GO
Beam Width when Steel Ratio is Given GO
Steel Ratio GO
Distance between Centroid of Compression and Centroid of Tension GO
Bending Moment Capacity of Rectangular Beam GO
Depth of Equivalent Rectangular Compressive Stress Distribution GO
Stress in Compressive Steel GO
Equation Based on Linear Variation of Stress and Strain with Distance GO
Total Compressive Force on Beam Cross Section GO
Total Compression on Concrete GO
Force Acting on Compressive Steel GO
Force Acting on Tensile Steel GO
Stress in Tensile Steel to Stress in Extreme Compression Surface Ratio GO
Value of k in Design Reviewing GO
Moment Resistance of Tensile Steel when Force is Given GO
Moment Resistance of Tensile Steel when Area is Given GO
Stress in Tensile Steel when Bending Moment is Given GO
Moment Resistance in Compression GO
Stress in Extreme Compression Surface when Moment Resistance is Given GO
Moment Resisting Capacity of Concrete GO
Moment Resisting Capacity of Concrete when Bending Moment is Given GO
Moment Resisting Capacity of Compressive Steel GO
Bending Moment when Moment Resisting Capacity of Compressive Steel and Concrete is Given GO
Moment Resisting Capacity of Compressive Steel when Stress and Area are Given GO
Distance when the Neutral Axis Lies in the Flange GO
Depth when the Neutral Axis Lies in the Flange GO
ω when the Neutral Axis Lies in the Flange GO
Maximum Ultimate Moment when Neutral Axis Lies in Web GO
Equivalent Rectangular Compressive Stress Distribution Depth GO
Total Compressive Force when Concrete Stress is Given GO
Total Compressive Force when Area and Tensile Steel Stress is Given GO
Distance from Extreme Compression Surface to Neutral Axis GO
Moment Resistance of Steel GO
Moment Resistance of Concrete when Compressive Force is Given GO
Moment Resistance of Concrete when Stress in Concrete is Given GO
Moment Resistance of Concrete when Flange Thickness is Given GO
Moment Resistance of Steel when Flange Thickness is Given GO
Shear Reinforcement Area GO
Area of One Leg of a Closed Stirrup when Shear Reinforcement Area is Given GO
Spacing of Closed Stirrups for Torsion GO
Max Concrete Torsion GO
Max Ultimate Torsion for Torsion Effects GO
Maximum Allowable Torsion GO
Max Torsion due to Service Load for Torsion Effects GO
Spacing of Closed Stirrups for Torsion GO
Maximum Slab Thickness GO
Total Static Design Moment in a Strip GO
Uniform Design Load per Unit of Slab Area when Total Static Design Moment is Given GO
Clear Span in Direction Moments when Total Static Design Moment is Given GO
Strip Width when Total Static Design Moment is Given GO
Concrete Column Elasticity Modulus when Flexural Stiffness is Given GO
Moment of Inertia about Centroidal Axis when Flexural Stiffness is Given GO
Equation for Punching Shear Design GO
Concrete Shear Strength at Critical Sections GO
Eccentricity of Shear GO
Shear Friction Reinforcement Area GO
Design Shear when Shear Friction Reinforcement Area is Given GO
Reinforcement Yield Strength when Shear Friction Reinforcement Area is Given GO
Volume of Spiral Steel to Volume of Concrete Core Ratio GO
Spiral Steel Yield Strength when Volume of Spiral Steel to Concrete Core Ratio is Given GO
28-Day Concrete Compressive Strength when Volume of Spiral Steel to Concrete Core Ratio is Given GO
Nominal Shear Stress GO
Total Design Shear Force when Nominal Shear Stress is Given GO
Wall Overall Thickness when Nominal Shear Stress is Given GO
Wall Horizontal Length when Nominal Shear Stress is Given GO
Concrete Strength when Shear Force is Given GO
Minimum Horizontal Reinforcement GO
Maximum Shear Strength GO
Earth Thrust Horizontal Component when Sum of Righting Moments is Given GO
Pressure P1 when the Resultant is within the Middle Third and Width of Base is Given GO
Pressure P2 when the Resultant is within the Middle Third and Width of Base is Given GO
Pressure P1 when Resultant is at Middle Third Edge GO
Pressure when Resultant is Outside Middle Third GO
Retaining Wall Righting Moment GO
Overturning Moment GO
Counterfort Shear Unit Stress on a Horizontal Section GO
Youngs modulus of concrete GO
Shear Force on the Section GO
Shear Force on the Section for a Vertical Wall Face GO
Maximum Moment for Symmetrical Concrete Wall Footing GO
Uniform Pressure on Soil when Maximum Moment is Given GO
Tensile Bending Stress at Bottom when Footing is Deep GO

What is modulus of rupture of concrete ?

The Modulus of Rupture of Concrete formula is defined as a measure of the tensile strength of concrete beams or slabs.Flexural strength, also known as modulus of rupture, or bend strength, or transverse rupture strength is a material property, defined as the stress in a material just before it yields in a flexure test.

How to Calculate Modulus of Rupture of Concrete?

Modulus of Rupture of Concrete calculator uses Modulus of rupture of the concrete=7.5*((Characteristic compressive strength )^(1/2)) to calculate the Modulus of rupture of the concrete, The Modulus of Rupture of Concrete formula is defined as a measure of the tensile strength of concrete beams or slabs. Modulus of rupture of the concrete and is denoted by fr symbol.

How to calculate Modulus of Rupture of Concrete using this online calculator? To use this online calculator for Modulus of Rupture of Concrete, enter Characteristic compressive strength (fck) and hit the calculate button. Here is how the Modulus of Rupture of Concrete calculation can be explained with given input values -> 0.033541 = 7.5*((20000000)^(1/2)).

FAQ

What is Modulus of Rupture of Concrete?
The Modulus of Rupture of Concrete formula is defined as a measure of the tensile strength of concrete beams or slabs and is represented as fr=7.5*((fck)^(1/2)) or Modulus of rupture of the concrete=7.5*((Characteristic compressive strength )^(1/2)). The characteristic compressive strength is defined as the strength of the concrete below which not more than 5% of the test results are expected to fall.
How to calculate Modulus of Rupture of Concrete?
The Modulus of Rupture of Concrete formula is defined as a measure of the tensile strength of concrete beams or slabs is calculated using Modulus of rupture of the concrete=7.5*((Characteristic compressive strength )^(1/2)). To calculate Modulus of Rupture of Concrete, you need Characteristic compressive strength (fck). With our tool, you need to enter the respective value for Characteristic compressive strength and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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