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Crippling Load given Factor of Safety Calculator

Crippling Load Formula:

\[ P = \left(1 - \frac{1}{FS}\right) \times P_E \]

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1. What is a Crippling Load Calculator?

Definition: This calculator determines the crippling load for a column considering the factor of safety and Euler's buckling load.

Purpose: It helps structural engineers determine the maximum load a column can bear before buckling occurs, with a safety factor.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ P = \left(1 - \frac{1}{FS}\right) \times P_E \]

Where:

  • \( P \) — Crippling Load (N)
  • \( FS \) — Factor of Safety (%)
  • \( P_E \) — Euler's Buckling Load (N)

Explanation: The formula adjusts Euler's buckling load by the factor of safety to determine the safe working load.

3. Importance of Crippling Load Calculation

Details: Accurate calculation prevents structural failure by ensuring columns are designed to withstand loads well below their buckling threshold.

4. Using the Calculator

Tips: Enter the factor of safety (%), Euler load (N), and tolerance (±%). All values must be > 0 (except tolerance which can be 0).

5. Frequently Asked Questions (FAQ)

Q1: What is a typical factor of safety for columns?
A: Common factors range from 1.5% to 3%, depending on material and application.

Q2: How is Euler's load determined?
A: Euler's load depends on column material, length, cross-section, and end conditions.

Q3: What does the tolerance represent?
A: Tolerance accounts for material variations and construction imperfections (±5% is common).

Q4: When would I use a higher factor of safety?
A: For critical structures, dynamic loads, or when material properties are uncertain.

Q5: Does this consider all failure modes?
A: No, this only addresses buckling. Material strength must also be checked separately.

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