Prestress Drop in Loss due to Elastic Shortening Formulas

Prestress Drop is the drop in applied prestress force due to strain in tendons. And is denoted by Δf_p. Prestress Drop is usually measured using the Megapascal for Pressure. Note that the value of Prestress Drop is always positive.

Formulas to find Prestress Drop in Loss due to Elastic Shortening

fxPrestress DropGo

fxPrestress Drop given Modular RatioGo

fxPrestress Drop given Stress in concrete at Same Level due to Prestressing ForceGo

fxPrestress Drop when Two parabolic Tendons are IncorporatedGo

fxPrestress Drop given Strain due to Bending and Compression in Two Parabolic TendonsGo

Loss due to Elastic Shortening formulas that make use of Prestress Drop

fxArea of Concrete Section given Prestress DropGo

fxStress in Concrete given Prestress DropGo

List of variables in Loss due to Elastic Shortening formulas

fx Modulus of Elasticity of Steel Reinforcement Go

fx Change in Strain Go

fx Modular Ratio for Elastic Shortening Go

fx Stress in Concrete Section Go

fx Modulus of Elasticity Concrete Go

fx Concrete Strain Go

fx Strain due to Compression Go

fx Strain due to Bending Go

FAQ

What is the Prestress Drop?

Prestress Drop is the drop in applied prestress force due to strain in tendons. Prestress Drop is usually measured using the Megapascal for Pressure. Note that the value of Prestress Drop is always positive.

Can the Prestress Drop be negative?

No, the Prestress Drop, measured in Pressure cannot be negative.

What unit is used to measure Prestress Drop?

Prestress Drop is usually measured using the Megapascal[MPa] for Pressure. Pascal[MPa], Kilopascal[MPa], Bar[MPa] are the few other units in which Prestress Drop can be measured.

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