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Prestressing Force after Immediate Loss given Initial Prestress Formula

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Prestressing Force after Loss is the prestressing force after immediate losses. It is the reduced value of prestressing force after elastic shortening, anchorage slip and loss due to friction. Check FAQs

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

P_o - Prestressing Force after Loss?P_i - Initial Prestress Force?A_{Pre tension} - Pre-Tensioned Area of Concrete?A_Pretension - Transformed Section Area of Prestress?

Prestressing Force after Immediate Loss given Initial Prestress Example

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Here is how the Prestressing Force after Immediate Loss given Initial Prestress equation looks like with Values.

Here is how the Prestressing Force after Immediate Loss given Initial Prestress equation looks like with Units.

Here is how the Prestressing Force after Immediate Loss given Initial Prestress equation looks like.

208800 = 435 \cdot \frac{12}{0.025}

208800kN = 435kN \cdot \frac{12mm²}{0.025mm²}

208800 = 435 \cdot \frac{12}{0.025}

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Prestressing Force after Immediate Loss given Initial Prestress Solution

Follow our step by step solution on how to calculate Prestressing Force after Immediate Loss given Initial Prestress?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

P o = 435kN \cdot \frac{12mm²}{0.025mm²}

Next Step Prepare to Evaluate

∴

P o = 435 \cdot \frac{12}{0.025}

Next Step Evaluate

∴

P o = 208800000N

LAST Step Convert to Output's Unit

∴

P o = 208800kN

Prestressing Force after Immediate Loss given Initial Prestress Formula Elements

Variables

Prestressing Force after Loss

Prestressing Force after Loss is the prestressing force after immediate losses. It is the reduced value of prestressing force after elastic shortening, anchorage slip and loss due to friction.

Symbol: P_o

Measurement: ForceUnit: kN

Note: Value should be greater than 0.

Formulas to find Prestressing Force after Loss

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

Pre-Tensioned Area of Concrete

Pre-Tensioned Area of Concrete is a construction method where steel tendons are stressed before pouring concrete, enhancing structural strength.

Symbol: A_{Pre tension}

Measurement: AreaUnit: mm²

Note: Value should be greater than 0.

Formulas to find Pre-Tensioned Area of Concrete

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

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 Initial Prestress given Prestress after Immediate Loss

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

Go Initial Strain in Steel for Known Strain due to Elastic Shortening

ε pi = ε c + ε po

How to Evaluate Prestressing Force after Immediate Loss given Initial Prestress?

Prestressing Force after Immediate Loss given Initial Prestress evaluator uses Prestressing Force after Loss = Initial Prestress Force*Pre-Tensioned Area of Concrete/Transformed Section Area of Prestress to evaluate the Prestressing Force after Loss, The Prestressing Force after Immediate Loss given Initial Prestress is defined as the relation between initial prestressing force on section and force immediately after stress loss. Prestressing Force after Loss is denoted by P_o symbol.

How to evaluate Prestressing Force after Immediate Loss given Initial Prestress using this online evaluator? To use this online evaluator for Prestressing Force after Immediate Loss given Initial Prestress, enter Initial Prestress Force (P_i), Pre-Tensioned Area of Concrete (A_{Pre tension}) & Transformed Section Area of Prestress (A_Pretension) and hit the calculate button.

FAQs on Prestressing Force after Immediate Loss given Initial Prestress

What is the formula to find Prestressing Force after Immediate Loss given Initial Prestress?

The formula of Prestressing Force after Immediate Loss given Initial Prestress is expressed as Prestressing Force after Loss = Initial Prestress Force*Pre-Tensioned Area of Concrete/Transformed Section Area of Prestress. Here is an example- 96 = 435000*1.2E-05/2.5E-08.

How to calculate Prestressing Force after Immediate Loss given Initial Prestress?

With Initial Prestress Force (P_i), Pre-Tensioned Area of Concrete (A_{Pre tension}) & Transformed Section Area of Prestress (A_Pretension) we can find Prestressing Force after Immediate Loss given Initial Prestress using the formula - Prestressing Force after Loss = Initial Prestress Force*Pre-Tensioned Area of Concrete/Transformed Section Area of Prestress.

Can the Prestressing Force after Immediate Loss given Initial Prestress be negative?

No, the Prestressing Force after Immediate Loss given Initial Prestress, measured in Force cannot be negative.

Which unit is used to measure Prestressing Force after Immediate Loss given Initial Prestress?

Prestressing Force after Immediate Loss given Initial Prestress is usually measured using the Kilonewton[kN] for Force. Newton[kN], Exanewton[kN], Meganewton[kN] are the few other units in which Prestressing Force after Immediate Loss given Initial Prestress can be measured.

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Prestressing Force after Immediate Loss given Initial Prestress Formula

Prestressing Force after Immediate Loss given Initial Prestress Example

Prestressing Force after Immediate Loss given Initial Prestress Solution

Prestressing Force after Immediate Loss given Initial Prestress Formula Elements

Other formulas in Pre Tensioned Members category

How to Evaluate Prestressing Force after Immediate Loss given Initial Prestress?

FAQs on Prestressing Force after Immediate Loss given Initial Prestress

Variable Name