Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges Calculator

✖Width of Projection of Flange is width projected outwarded from flange.ⓘ Width of Projection of Flange [b^']			+10% -10%
✖Yield strength of steel is the level of stress that corresponds to the yield point.ⓘ Yield Strength of Steel [f_y]			+10% -10%

✖Flange Minimum Thickness is the minimum thickness of the plates used in the flange.ⓘ Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges [t_f]

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Formula

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Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges

Formula

`"t"_{"f"} = ("b"^{"'"}*sqrt("f"_{"y"}))/69.6`

Example

`"283.9689mm"=("1.25mm"*sqrt("250MPa"))/69.6`

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Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges Solution

STEP 0: Pre-Calculation Summary

Formula Used

Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/69.6
t_f = (b^'*sqrt(f_y))/69.6
This formula uses 1 Functions, 3 Variables

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Flange Minimum Thickness - (Measured in Meter) - Flange Minimum Thickness is the minimum thickness of the plates used in the flange.
Width of Projection of Flange - (Measured in Meter) - Width of Projection of Flange is width projected outwarded from flange.
Yield Strength of Steel - (Measured in Pascal) - Yield strength of steel is the level of stress that corresponds to the yield point.

STEP 1: Convert Input(s) to Base Unit

Width of Projection of Flange: 1.25 Millimeter --> 0.00125 Meter (Check conversion here)
Yield Strength of Steel: 250 Megapascal --> 250000000 Pascal (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

t_f = (b^'*sqrt(f_y))/69.6 --> (0.00125*sqrt(250000000))/69.6

Evaluating ... ...

t_f = 0.283968899081212

STEP 3: Convert Result to Output's Unit

0.283968899081212 Meter -->283.968899081212 Millimeter (Check conversion here)

FINAL ANSWER

283.968899081212 ≈ 283.9689 Millimeter <-- Flange Minimum Thickness

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Bridge and Suspension Cable » Load Factor Design (LFD) » Load-Factor Design for Bridge Beams » Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges

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National Institute of Technology Karnataka (NITK), Surathkal

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< 14 Load-Factor Design for Bridge Beams Calculators

Maximum Unbraced Length for Symmetrical Flexural Compact Section for LFD of Bridges

Go Max Unbraced Length for Flexural Compact Section = ((3600-2200*(Smaller Moment/Maximum Bending Strength))*Radius of Gyration)/Yield Strength of Steel

Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges

Go Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/69.6

Width of Projection of Flange for Compact Section for LFD given Minimum Flange Thickness

Go Width of Projection of Flange = (65*Flange Minimum Thickness)/(sqrt(Yield Strength of Steel))

Minimum Flange Thickness for Symmetrical Flexural Compact Section for LFD of Bridges

Go Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/65

Maximum Unbraced Length for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges

Go Maximum Unbraced Length = (20000*Flange Area)/(Yield Strength of Steel*Depth of Section)

Depth of Section for Braced Non-Compact Section for LFD given Maximum Unbraced Length

Go Depth of Section = (20000*Flange Area)/(Yield Strength of Steel*Maximum Unbraced Length)

Area of Flange for Braced Non-Compact Section for LFD

Go Flange Area = (Maximum Unbraced Length*Yield Strength of Steel*Depth of Section)/20000

Minimum Web Thickness for Symmetrical Flexural Compact Section for LFD of Bridges

Go Web Minimum Thickness = Depth of Section*sqrt(Yield Strength of Steel)/608

Maximum Bending Strength for Symmetrical Flexural Compact Section for LFD of Bridges

Go Maximum Bending Strength = Yield Strength of Steel*Plastic Section Modulus

Maximum Bending Strength for Symmetrical Flexural Braced Non-Compacted Section for LFD of Bridges

Go Maximum Bending Strength = Yield Strength of Steel*Section Modulus

Allowable Bearing Stresses on Pins not Subject to Rotation for Bridges for LFD

Go Allowable Bearing Stresses on Pins = 0.80*Yield Strength of Steel

Allowable Bearing Stresses on Pins Subject to Rotation for Bridges for LFD

Go Allowable Bearing Stresses on Pins = 0.40*Yield Strength of Steel

Minimum Web Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges

Go Web Minimum Thickness = Unsupported Distance between Flanges/150

Allowable Bearing Stresses on Pins for Buildings for LFD

Go Allowable Bearing Stresses on Pins = 0.9*Yield Strength of Steel

Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges Formula

Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/69.6
t_f = (b^'*sqrt(f_y))/69.6

What is Braced Non-Compact Section?

Braced Non-Compact Section is one with one or more of the elements in the beam (e.g. in an I-beam which will be detailed below, those elements are the web and the flange) have the possibility of buckling before the beam is able to attain section plasticity. A slender section is almost always avoided.

How to Calculate Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges?

Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges calculator uses Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/69.6 to calculate the Flange Minimum Thickness, The Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges formula is defined as minimum plate thickness used. Flange Minimum Thickness is denoted by t_f symbol.

How to calculate Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges using this online calculator? To use this online calculator for Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges, enter Width of Projection of Flange (b^') & Yield Strength of Steel (f_y) and hit the calculate button. Here is how the Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges calculation can be explained with given input values -> 283968.9 = (0.00125*sqrt(250000000))/69.6.

FAQ

What is Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges?

The Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges formula is defined as minimum plate thickness used and is represented as t_f = (b^'*sqrt(f_y))/69.6 or Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/69.6. Width of Projection of Flange is width projected outwarded from flange & Yield strength of steel is the level of stress that corresponds to the yield point.

How to calculate Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges?

The Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges formula is defined as minimum plate thickness used is calculated using Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/69.6. To calculate Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges, you need Width of Projection of Flange (b^') & Yield Strength of Steel (f_y). With our tool, you need to enter the respective value for Width of Projection of Flange & Yield Strength of Steel and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Flange Minimum Thickness?

In this formula, Flange Minimum Thickness uses Width of Projection of Flange & Yield Strength of Steel. We can use 1 other way(s) to calculate the same, which is/are as follows -

Flange Minimum Thickness = (Width of Projection of Flange*sqrt(Yield Strength of Steel))/65

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