LiqIT is a software for the assessment of soil liquefaction based on commonly used field data. The calculation procedure invoked includes:
1. The evaluation of CRR (Cyclic Resistance Ratio), which is the soil “strength”, according to the available field data (SPT, CPT or Vs).
2. The estimation of the induced seismic load expressed through Cyclic Strength Ratio (CSR).
3. The calculation of the factor of safety against liquefaction.
Additionally LiqIT can estimate:
1. The post-liquefaction induced settlements (both vertical or horizontal).
2. The overall liquefaction potential (Iwasaki liquefaction potential index LPI).
LiqIT implements the most recent and state-of-the-art calculation methods for both CSR and CRR. However, it should be noted that the results of these methods should be used according to the engineering judgment of the user and taking into consideration the the uncertainties involved.
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