28-day Compressive Strength of Concrete given Force in Slab Calculator

✖Slab Force at maximum positive moments.ⓘ Slab Force [P_{on slab}]			+10% -10%
✖The effective concrete area is the total area of concrete enclosed with the steel reinforcement in the tension zone.ⓘ Effective Concrete Area [A_concrete]			+10% -10%

✖28 Day Compressive Strength of Concrete is defined as the strength of the concrete after 28 days of using it.ⓘ 28-day Compressive Strength of Concrete given Force in Slab [f_c]

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Formula

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28-day Compressive Strength of Concrete given Force in Slab

Formula

f c = \frac{P on slab}{0.85 \cdot A concrete}

Example

15 MPa = \frac{245 kN}{0.85 \cdot 19215.69 mm²}

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28-day Compressive Strength of Concrete given Force in Slab Solution

STEP 0: Pre-Calculation Summary

Formula Used

28 Day Compressive Strength of Concrete = Slab Force/(0.85*Effective Concrete Area)
f_c = P_{on slab}/(0.85*A_concrete)
This formula uses 3 Variables

Variables Used

28 Day Compressive Strength of Concrete - (Measured in Pascal) - 28 Day Compressive Strength of Concrete is defined as the strength of the concrete after 28 days of using it.
Slab Force - (Measured in Newton) - Slab Force at maximum positive moments.
Effective Concrete Area - (Measured in Square Meter) - The effective concrete area is the total area of concrete enclosed with the steel reinforcement in the tension zone.

STEP 1: Convert Input(s) to Base Unit

Slab Force: 245 Kilonewton --> 245000 Newton (Check conversion here)
Effective Concrete Area: 19215.69 Square Millimeter --> 0.01921569 Square Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_c = P_{on slab}/(0.85*A_concrete) --> 245000/(0.85*0.01921569)

Evaluating ... ...

f_c = 14999997.0918373

STEP 3: Convert Result to Output's Unit

14999997.0918373 Pascal -->14.9999970918373 Megapascal (Check conversion here)

FINAL ANSWER

14.9999970918373 ≈ 15 Megapascal <-- 28 Day Compressive Strength of Concrete

(Calculation completed in 00.020 seconds)

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Force in Slab at Maximum Negative Moments given Minimum Number of Connectors for Bridges

Go Force in Slab at Negative Moment Point = No of Connector in Bridge*Reduction Factor*Ultimate Shear Connector Stress-Slab Force

28-day Compressive Strength of Concrete given Force in Slab

Go 28 Day Compressive Strength of Concrete = Slab Force/(0.85*Effective Concrete Area)

Effective Concrete Area given Force in Slab

Go Effective Concrete Area = Slab Force/(0.85*28 Day Compressive Strength of Concrete)

Area of Longitudinal Reinforcing given Force in Slab at Maximum Negative Moments

Go Area of Steel Reinforcement = Slab Force/Yield Strength of Steel

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Ultimate Shear Connector Strength given Number of Connectors in Bridges

Go Ultimate Shear Connector Stress = Slab Force/(No of Connector in Bridge*Reduction Factor)

Reduction Factor given Number of Connectors in Bridges

Go Reduction Factor = Slab Force/(No of Connector in Bridge*Ultimate Shear Connector Stress)

Number of Connectors in Bridges

Go No of Connector in Bridge = Slab Force/(Reduction Factor*Ultimate Shear Connector Stress)

Force in Slab given Number of Connectors in Bridges

Go Slab Force = No of Connector in Bridge*Reduction Factor*Ultimate Shear Connector Stress

28-day Compressive Strength of Concrete given Force in Slab Formula

28 Day Compressive Strength of Concrete = Slab Force/(0.85*Effective Concrete Area)
f_c = P_{on slab}/(0.85*A_concrete)

What is 28-day Compressive Strength of Concrete?

It measures the ability of concrete to withstand loads that will decrease the size of the concrete. Compressive strength is tested by breaking cylindrical concrete specimens in a special machine designed to measure this type of strength

How to Calculate 28-day Compressive Strength of Concrete given Force in Slab?

28-day Compressive Strength of Concrete given Force in Slab calculator uses 28 Day Compressive Strength of Concrete = Slab Force/(0.85*Effective Concrete Area) to calculate the 28 Day Compressive Strength of Concrete, The 28-day Compressive Strength of Concrete given Force in Slab formula is defined as strength gained by concrete after 28 days of curing. 28 Day Compressive Strength of Concrete is denoted by f_c symbol.

How to calculate 28-day Compressive Strength of Concrete given Force in Slab using this online calculator? To use this online calculator for 28-day Compressive Strength of Concrete given Force in Slab, enter Slab Force (P_{on slab}) & Effective Concrete Area (A_concrete) and hit the calculate button. Here is how the 28-day Compressive Strength of Concrete given Force in Slab calculation can be explained with given input values -> 1.5E-5 = 245000/(0.85*0.01921569).

FAQ

What is 28-day Compressive Strength of Concrete given Force in Slab?

The 28-day Compressive Strength of Concrete given Force in Slab formula is defined as strength gained by concrete after 28 days of curing and is represented as f_c = P_{on slab}/(0.85*A_concrete) or 28 Day Compressive Strength of Concrete = Slab Force/(0.85*Effective Concrete Area). Slab Force at maximum positive moments & The effective concrete area is the total area of concrete enclosed with the steel reinforcement in the tension zone.

How to calculate 28-day Compressive Strength of Concrete given Force in Slab?

The 28-day Compressive Strength of Concrete given Force in Slab formula is defined as strength gained by concrete after 28 days of curing is calculated using 28 Day Compressive Strength of Concrete = Slab Force/(0.85*Effective Concrete Area). To calculate 28-day Compressive Strength of Concrete given Force in Slab, you need Slab Force (P_{on slab}) & Effective Concrete Area (A_concrete). With our tool, you need to enter the respective value for Slab Force & Effective Concrete Area 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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