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L,<nm>,<thick>,<weight>,<pveloc>,<sveloc>,<pdamp>,<sdamp>

defines the soil layer number <nm> with thickness <thick>, specific weight <weight>, P-wave velocity <pveloc>, S-wave velocity <sveloc>, P-wave damping ratio <pdamp>, and S-wave damping ratio <sdamp>.

Note: Soil layers may be assigned to excavated soil elements (see MSET) or may be used to define soil layering or halfspace properties for the ACS SASSI SITE module.