Development Length of Section Calculator

✖Transmission Length represents the length of transmission in the tendon.ⓘ Transmission Length [L_t]			+10% -10%
✖Bond Length in a diatomic molecule is the distance between center of two molecules(or two masses).ⓘ Bond Length [L_bond]			+10% -10%

✖Prestress Development Length is the amount of reinforcement or bar length needed to be embedded into the column to establish the desired bond strength between the concrete and steel.ⓘ Development Length of Section [Ld]

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Formula

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Development Length of Section

Formula

`"Ld" = "L"_{"t"}+"L"_{"bond"}`

Example

`"551mm"="50.1cm"+"5cm"`

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Development Length of Section Solution

STEP 0: Pre-Calculation Summary

Formula Used

Prestress Development Length = Transmission Length+Bond Length
Ld = L_t+L_bond
This formula uses 3 Variables

Variables Used

Prestress Development Length - (Measured in Meter) - Prestress Development Length is the amount of reinforcement or bar length needed to be embedded into the column to establish the desired bond strength between the concrete and steel.
Transmission Length - (Measured in Meter) - Transmission Length represents the length of transmission in the tendon.
Bond Length - (Measured in Meter) - Bond Length in a diatomic molecule is the distance between center of two molecules(or two masses).

STEP 1: Convert Input(s) to Base Unit

Transmission Length: 50.1 Centimeter --> 0.501 Meter (Check conversion here)
Bond Length: 5 Centimeter --> 0.05 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Ld = L_t+L_bond --> 0.501+0.05

Evaluating ... ...

Ld = 0.551

STEP 3: Convert Result to Output's Unit

0.551 Meter -->551 Millimeter (Check conversion here)

FINAL ANSWER

551 Millimeter <-- Prestress Development Length

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Structural Engineering » Prestressed Concrete » Transmission of Prestress » Pre-Tensioned Members » Development Length of Section

Credits

Created by M Naveen

National Institute of Technology (NIT), Warangal

M Naveen has created this Calculator and 500+ more calculators!

Verified by Chandana P Dev

NSS College of Engineering (NSSCE), Palakkad

Chandana P Dev has verified this Calculator and 1700+ more calculators!

< 3 Pre-Tensioned Members Calculators

Transmission Length given Development Length of Section

Go Transmission Length = Prestress Development Length-Bond Length

Bond Length given Development Length of Section

Go Bond Length = Prestress Development Length-Transmission Length

Development Length of Section

Go Prestress Development Length = Transmission Length+Bond Length

Development Length of Section Formula

Prestress Development Length = Transmission Length+Bond Length
Ld = L_t+L_bond

What does Transmission Length mean?

The Transmission Length, representing the distance from the free-end of the beam necessary to transmit the fully effective prestressing-force to the surrounding concrete, is a design parameter of paramount importance for PC members detailing.

How to Calculate Development Length of Section?

Development Length of Section calculator uses Prestress Development Length = Transmission Length+Bond Length to calculate the Prestress Development Length, The Development Length of Section is defined as the amount of reinforcement(bar) length needed to be embedded or projected. Prestress Development Length is denoted by Ld symbol.

How to calculate Development Length of Section using this online calculator? To use this online calculator for Development Length of Section, enter Transmission Length (L_t) & Bond Length (L_bond) and hit the calculate button. Here is how the Development Length of Section calculation can be explained with given input values -> 550000 = 0.501+0.05.

FAQ

What is Development Length of Section?

The Development Length of Section is defined as the amount of reinforcement(bar) length needed to be embedded or projected and is represented as Ld = L_t+L_bond or Prestress Development Length = Transmission Length+Bond Length. Transmission Length represents the length of transmission in the tendon & Bond Length in a diatomic molecule is the distance between center of two molecules(or two masses).

How to calculate Development Length of Section?

The Development Length of Section is defined as the amount of reinforcement(bar) length needed to be embedded or projected is calculated using Prestress Development Length = Transmission Length+Bond Length. To calculate Development Length of Section, you need Transmission Length (L_t) & Bond Length (L_bond). With our tool, you need to enter the respective value for Transmission Length & Bond Length 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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