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Transformed Area of Prestress Member for Known Pressure Drop Formula

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Transformed Section Area of Prestress is the area of the member when steel is substituted by an equivalent area of concrete. Check FAQs

A Pretension = m Elastic \cdot \frac{P i}{Δf Drop}

A_Pretension - Transformed Section Area of Prestress?m_Elastic - Modular Ratio for Elastic Shortening?P_i - Initial Prestress Force?Δf_Drop - Drop in Prestress?

Transformed Area of Prestress Member for Known Pressure Drop Example

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Here is how the Transformed Area of Prestress Member for Known Pressure Drop equation looks like with Values.

Here is how the Transformed Area of Prestress Member for Known Pressure Drop equation looks like with Units.

Here is how the Transformed Area of Prestress Member for Known Pressure Drop equation looks like.

0.013 = 0.6 \cdot \frac{435}{0.02}

0.013mm² = 0.6 \cdot \frac{435kN}{0.02MPa}

0.013 = 0.6 \cdot \frac{435}{0.02}

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Transformed Area of Prestress Member for Known Pressure Drop Solution

Follow our step by step solution on how to calculate Transformed Area of Prestress Member for Known Pressure Drop?

FIRST Step Consider the formula

A Pretension = m Elastic \cdot \frac{P i}{Δf Drop}

Next Step Substitute values of Variables

∴

A Pretension = 0.6 \cdot \frac{435kN}{0.02MPa}

Next Step Convert Units

∴

A Pretension = 0.6 \cdot \frac{435kN}{20000Pa}

Next Step Prepare to Evaluate

∴

A Pretension = 0.6 \cdot \frac{435}{20000}

Next Step Evaluate

∴

A Pretension = 1.305E-08m²

Next Step Convert to Output's Unit

∴

A Pretension = 0.01305mm²

LAST Step Rounding Answer

∴

A Pretension = 0.013mm²

Transformed Area of Prestress Member for Known Pressure Drop Formula Elements

Variables

Transformed Section Area of Prestress

Transformed Section Area of Prestress is the area of the member when steel is substituted by an equivalent area of concrete.

Symbol: A_Pretension

Measurement: AreaUnit: mm²

Note: Value should be greater than 0.

Formulas to find Transformed Section Area of Prestress

Modular Ratio for Elastic Shortening

Modular Ratio for Elastic Shortening is the ratio of the elastic modulus of a particular material in a cross-section to the elastic modulus of the “base” or the reference material.

Symbol: m_Elastic

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Modular Ratio for Elastic Shortening

Initial Prestress Force

Initial Prestress Force is the force which is applied to the tendons by the jack.

Symbol: P_i

Measurement: ForceUnit: kN

Note: Value should be greater than 0.

Formulas to find Initial Prestress Force

Drop in Prestress

Drop in Prestress is the drop in applied prestress force due to strain in tendons.

Symbol: Δf_Drop

Measurement: PressureUnit: MPa

Note: Value should be greater than 0.

Formulas to find Drop in Prestress

Other formulas in Pre Tensioned Members category

Go Prestress Drop given Pressure after Immediate Loss

Δf Drop = (\frac{P o}{A Pre tension}) \cdot m Elastic

Go Modular Ratio given Prestress after Immediate Loss

m Elastic = Δf Drop \cdot \frac{A Pre tension}{P o}

Go Prestressing Force after Immediate Loss given Initial Prestress

P o = P i \cdot \frac{A Pre tension}{A Pretension}

Go Initial Prestress given Prestress after Immediate Loss

P i = P o \cdot \frac{A Pretension}{A Pre tension}

How to Evaluate Transformed Area of Prestress Member for Known Pressure Drop?

Transformed Area of Prestress Member for Known Pressure Drop evaluator uses Transformed Section Area of Prestress = Modular Ratio for Elastic Shortening*Initial Prestress Force/Drop in Prestress to evaluate the Transformed Section Area of Prestress, The Transformed Area of Prestress Member for Known Pressure Drop is defined as the area of transformed section when the prestressing steel is converted into equivalent concrete. Transformed Section Area of Prestress is denoted by A_Pretension symbol.

How to evaluate Transformed Area of Prestress Member for Known Pressure Drop using this online evaluator? To use this online evaluator for Transformed Area of Prestress Member for Known Pressure Drop, enter Modular Ratio for Elastic Shortening (m_Elastic), Initial Prestress Force (P_i) & Drop in Prestress (Δf_Drop) and hit the calculate button.

FAQs on Transformed Area of Prestress Member for Known Pressure Drop

What is the formula to find Transformed Area of Prestress Member for Known Pressure Drop?

The formula of Transformed Area of Prestress Member for Known Pressure Drop is expressed as Transformed Section Area of Prestress = Modular Ratio for Elastic Shortening*Initial Prestress Force/Drop in Prestress. Here is an example- 6000 = 0.6*435000/20000.

How to calculate Transformed Area of Prestress Member for Known Pressure Drop?

With Modular Ratio for Elastic Shortening (m_Elastic), Initial Prestress Force (P_i) & Drop in Prestress (Δf_Drop) we can find Transformed Area of Prestress Member for Known Pressure Drop using the formula - Transformed Section Area of Prestress = Modular Ratio for Elastic Shortening*Initial Prestress Force/Drop in Prestress.

Can the Transformed Area of Prestress Member for Known Pressure Drop be negative?

No, the Transformed Area of Prestress Member for Known Pressure Drop, measured in Area cannot be negative.

Which unit is used to measure Transformed Area of Prestress Member for Known Pressure Drop?

Transformed Area of Prestress Member for Known Pressure Drop is usually measured using the Square Millimeter[mm²] for Area. Square Meter[mm²], Square Kilometer[mm²], Square Centimeter[mm²] are the few other units in which Transformed Area of Prestress Member for Known Pressure Drop can be measured.

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Transformed Area of Prestress Member for Known Pressure Drop Formula

Transformed Area of Prestress Member for Known Pressure Drop Example

Transformed Area of Prestress Member for Known Pressure Drop Solution

Transformed Area of Prestress Member for Known Pressure Drop Formula Elements

Other formulas in Pre Tensioned Members category

How to Evaluate Transformed Area of Prestress Member for Known Pressure Drop?

FAQs on Transformed Area of Prestress Member for Known Pressure Drop

Variable Name