This user’s manual includes a step-by-step process for using a spreadsheet tool called SPLIQ to perform simplified calculations for performance-based probabilistic earthquake hazard analysis while using Standard Penetration Test (SPT) data from site soil borings. The simplified models provide estimates of liquefaction triggering, lateral spread displacements, post-liquefaction settlements, and seismic slope displacements. These simplified models were developed and validated, as documented in UDOT Research Report No. UT-16.16 from the TPF-5(296) pooled fund study that was funded by the Alaska, Connecticut, Idaho, Montana, South Carolina, Oregon, and Utah Departments of Transportation. Liquefaction reference parameter maps, which are used together with the SPLIQ tool, were developed for these seven states for the 475, 1033, and 2475 year return periods.
The purpose of this addendum report is to document the process used to develop updated standard penetration test (SPT)-compatible liquefaction paramet...
The purpose of the research presented is to provide the benefit of the full performance-based probabilistic earthquake hazard analysis, without requir...
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