241-AW/AN waste storage tanks: Supplemental gravity load analysis. Volume 2

An analysis of the 241SY tanks performed by ADVENT(1994b) to resolve dome overload issues indicated that the tank can sustain the dome loads resulting from additional soil overburden depth, increased soil density, and increased concentrated load. Similar issues exist for the 241AW/AN tanks and therefore, an interim analysis of the 241AW/AN tanks is presented herein. The scope of this effort is to review and compare all design drawings pertaining to the 241AW and 241AN tanks with those pertaining to the 241SY tanks; to modify the axisymmetric model of the 241SY tanks to represent the 241AW/AN tanks; and to evaluate the effect of additional dome load on the 241AW/AN tanks by performing a structural analysis for gravity loads (dead load + live load). ADVENT's additional scope of work is to perform a qualitative evaluation of the 241AW/AN tanks for seismic and thermal loadings (Blume 1976). This qualitative evaluation does not include any detailed finite element analysis of the tanks. Volume 1 of this report contains the text and calculations. Volume 2 contains a printed copy of the computer files used in these analyses