Laserfiche WebLink
Thornton Tomasetti 233 of 234 <br />ORIGINAL DESIGN CODE COMPARISON - FOUNDATION <br />SEE BELOW FOR THE LARGEST AXIAL COMPRESSION FOUND IN EACH OF THE BASE PERIMETER <br />COLUMNS UNDER CURRENT AND UBC 1961 LOADING. AS A CONSERVATIVE MEASURE, THE LARGEST <br />COMPRESSION INDUCED BY ANY OF THE FOUR 72 YR GROUND MOTIONS IS USED FOR EACH <br />COLUMN. THE AXIAL FORCE FROM THE GROUND MOTIONS IS SCALED DOWN TO ASD LEVEL WITH A <br />0.7 FACTOR. ON AVERAGE, THE COLUMN AXIAL FORCE IS ONLY 2.3% HIGHER UNDER THE CURRENT <br />72YR GROUND MOTIONS COMPARED TO THE EXPECTED DESIGN FORCES DERIVED FROM UBC 1961. <br />Largest Axial Compression <br />Column D+L+0.7EQ (Current ASD)D+L+EQ (UBC 1961) <br />C13 -586.6 k -544.2 k <br />C14 -529.3 k -549.2 k <br />C16 -537.2 k -545.5 k <br />C26 -608.4 k -549.3 k <br />C57 -505.1 k -530.9 k <br />C58 -454.4 k -457.0 k <br />C63 -434.1 k -405.6 k <br />C65 -413.0 k -397.2 k <br />C66 -375.9 k -395.3 k <br />C68 -411.2 k -397.3 k <br />C69 -435.1 k -405.8 k <br />C71 -458.9 k -458.2 k <br />C72 -548.3 k -533.3 k <br />C91 -535.3 k -528.8 k <br />C92 -442.6 k -454.2 k <br />C93 -429.2 k -402.6 k <br />C94 -411.5 k -394.5 k <br />C95 -379.5 k -396.3 k <br />C96 -411.2 k -395.5 k <br />C97 -427.0 k -403.2 k <br />C98 -446.2 k -455.7 k <br />C99 -512.2 k -531.4 k <br />C129 -578.4 k -551.4 k <br />C130 -519.2 k -464.6 k <br />C131 -456.6 k -456.8 k <br />C132 -429.7 k -435.7 k <br />C133 -465.4 k -433.6 k <br />C134 -481.6 k -453.5 k <br />C135 -482.6 k -472.6 k <br />C136 -512.4 k -548.0 k <br />C137 -542.8 k -552.3 k <br />C138 -510.6 k -461.2 k <br />C139 -439.4 k -446.3 k <br />C140 -428.8 k -425.8 k <br />C141 -432.6 k -428.1 k <br />C142 -453.9 k -455.1 k <br />C143 -526.5 k -464.9 k <br />C144 -589.2 k -553.4 k <br />Average -477.4 k -466.7 k <br />COLUMN ID LEGEND ON FOLLOWING PAGE