Variation of Eccentricity of Tendon B Formula

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Eccentricity Variation of Tendon B is the value for eccentricity at distance x from left jacking side of considered prestress section. Check FAQs
EB(x)=eB1+(4ΔeBxL)(1-(xL))
EB(x) - Eccentricity Variation of Tendon B?eB1 - Eccentricity at End for B?ΔeB - Change in Eccentricity B?x - Distance from Left End?L - Length of Beam in Prestress?

Variation of Eccentricity of Tendon B Example

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Here is how the Variation of Eccentricity of Tendon B equation looks like with Values.

Here is how the Variation of Eccentricity of Tendon B equation looks like with Units.

Here is how the Variation of Eccentricity of Tendon B equation looks like.

10.1091Edit=10.03Edit+(420Edit10.1Edit10.2Edit)(1-(10.1Edit10.2Edit))
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Variation of Eccentricity of Tendon B Solution

Follow our step by step solution on how to calculate Variation of Eccentricity of Tendon B?

FIRST Step Consider the formula
EB(x)=eB1+(4ΔeBxL)(1-(xL))
Next Step Substitute values of Variables
EB(x)=10.03mm+(420mm10.1mm10.2m)(1-(10.1mm10.2m))
Next Step Convert Units
EB(x)=0.01m+(40.02m0.0101m10.2m)(1-(0.0101m10.2m))
Next Step Prepare to Evaluate
EB(x)=0.01+(40.020.010110.2)(1-(0.010110.2))
Next Step Evaluate
EB(x)=0.0101091372472126m
Next Step Convert to Output's Unit
EB(x)=10.1091372472126mm
LAST Step Rounding Answer
EB(x)=10.1091mm

Variation of Eccentricity of Tendon B Formula Elements

Variables
Eccentricity Variation of Tendon B
Eccentricity Variation of Tendon B is the value for eccentricity at distance x from left jacking side of considered prestress section.
Symbol: EB(x)
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Eccentricity at End for B
Eccentricity at End for B is the distance by which the tendons at end is placed from the CG of section.
Symbol: eB1
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Change in Eccentricity B
Change in Eccentricity B refers the eccentricity of tendon B when the eccentricity at both ends and centre is considered.
Symbol: ΔeB
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Distance from Left End
Distance from Left End is the distance considered from the left jacking end on a prestressed member.
Symbol: x
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Length of Beam in Prestress
Length of Beam in Prestress is the center to center distance between the supports or the effective length of the beam.
Symbol: L
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other formulas in Post Tensioned Members category

​Go Prestress Drop
Δfp=EsΔεp
​Go Prestress Drop given Modular Ratio
Δfp=mElasticfconcrete
​Go Area of Concrete Section given Prestress Drop
Ac=mElasticPBΔfp
​Go Prestress Drop given Stress in concrete at Same Level due to Prestressing Force
Δfp=EsfconcreteEconcrete

How to Evaluate Variation of Eccentricity of Tendon B?

Variation of Eccentricity of Tendon B evaluator uses Eccentricity Variation of Tendon B = Eccentricity at End for B+(4*Change in Eccentricity B*Distance from Left End/Length of Beam in Prestress)*(1-(Distance from Left End/Length of Beam in Prestress)) to evaluate the Eccentricity Variation of Tendon B, The Variation of Eccentricity of Tendon B is defined as the eccentricity at a distance x from left jacking end if parabolic tendons are used for prestressing beam. Eccentricity Variation of Tendon B is denoted by EB(x) symbol.

How to evaluate Variation of Eccentricity of Tendon B using this online evaluator? To use this online evaluator for Variation of Eccentricity of Tendon B, enter Eccentricity at End for B (eB1), Change in Eccentricity B (ΔeB), Distance from Left End (x) & Length of Beam in Prestress (L) and hit the calculate button.

FAQs on Variation of Eccentricity of Tendon B

What is the formula to find Variation of Eccentricity of Tendon B?
The formula of Variation of Eccentricity of Tendon B is expressed as Eccentricity Variation of Tendon B = Eccentricity at End for B+(4*Change in Eccentricity B*Distance from Left End/Length of Beam in Prestress)*(1-(Distance from Left End/Length of Beam in Prestress)). Here is an example- 10109.14 = 0.01003+(4*0.02*0.0101/10.2)*(1-(0.0101/10.2)).
How to calculate Variation of Eccentricity of Tendon B?
With Eccentricity at End for B (eB1), Change in Eccentricity B (ΔeB), Distance from Left End (x) & Length of Beam in Prestress (L) we can find Variation of Eccentricity of Tendon B using the formula - Eccentricity Variation of Tendon B = Eccentricity at End for B+(4*Change in Eccentricity B*Distance from Left End/Length of Beam in Prestress)*(1-(Distance from Left End/Length of Beam in Prestress)).
Can the Variation of Eccentricity of Tendon B be negative?
No, the Variation of Eccentricity of Tendon B, measured in Length cannot be negative.
Which unit is used to measure Variation of Eccentricity of Tendon B?
Variation of Eccentricity of Tendon B is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Variation of Eccentricity of Tendon B can be measured.
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