Liquefaction potential index LPI = ∫₀²⁰ F(z) w(z) dz. Based on cyclic stress ratio vs cyclic resistance ratio.
| Constant | Symbol | Value |
|---|---|---|
| Speed of light | c | 2.99792458×10⁸ |
| Planck's constant | h | 6.62607015×10⁻³‴ |
| Boltzmann constant | kʙ | 1.380649×10⁻²³ |
| Avogadro's number | Nₐ | 6.02214076×10²³ |
| Gravitational constant | G | 6.6743×10⁻¹¹ |
| Gas constant | R | 8.31446 |
| Elementary charge | e | 1.602176634×10⁻¹⁹ |
| Electron mass | mₑ | 9.1093837015×10⁻³¹ |
| Proton mass | mₚ | 1.67262192369×10⁻²⁷ |
| Fine-structure constant | α | 7.2973525693×10⁻³ |
Liquefaction potential index LPI = ∫₀²⁰ F(z) w(z) dz. Based on cyclic stress ratio vs cyclic resistance ratio
Each component has a specific meaning:
Note: Interpret the liquefaction risk result against the clinical thresholds and context described above.
Enter the cyclic stress ratio vs cyclic resistance ratio for the patient or scenario you are assessing. Liquefaction potential index LPI = ∫₀²⁰ F(z) w(z) dz. Based on cyclic stress ratio vs cyclic resistance ratio. Use the liquefaction risk result to inform your clinical assessment.