Laserfiche WebLink
<br /> <br /> <br /> <br /> <br /> <br />3rd & Broadway, Santa Ana, CA <br />Volume 2 - Structural Calculations June 17, 2024 | Project # S21043.00 <br /> pg. 35 <br />The modal participating mass ratios for each structure are shown in the following Tables. As can be seen, <br />the sum of the participating masses is greater than 90% for each building, to meet building code criteria. <br />Table 4.2-6: ETABS Modal Participating Mass Ratios – Residential <br />Mode Period UX UY Sum UX Sum UY <br />1 1.80 0.57 0.00 0.57 0.00 <br />2 1.50 0.00 0.66 0.57 0.66 <br />3 1.31 0.09 0.00 0.66 0.66 <br />4 0.45 0.16 0.00 0.82 0.66 <br />5 0.41 0.05 0.00 0.87 0.66 <br />6 0.38 0.00 0.24 0.87 0.90 <br />7 0.24 0.02 0.00 0.89 0.90 <br />8 0.22 0.01 0.00 0.90 0.90 <br />9 0.20 0.00 0.00 0.90 0.90 <br />10 0.20 0.01 0.00 0.91 0.91 <br />11 0.19 0.00 0.00 0.91 0.91 <br />12 0.18 0.00 0.03 0.91 0.94 <br />13 0.18 0.01 0.00 0.92 0.94 <br />14 0.17 0.01 0.00 0.93 0.94 <br />15 0.16 0.00 0.01 0.93 0.95 <br />16 0.15 0.00 0.00 0.93 0.95 <br />17 0.15 0.01 0.00 0.95 0.95 <br />18 0.14 0.00 0.00 0.95 0.95 <br />19 0.13 0.00 0.02 0.95 0.97 <br />20 0.13 0.00 0.00 0.95 0.97 <br />21 0.11 0.00 0.00 0.95 0.97 <br />22 0.10 0.00 0.01 0.95 0.98 <br />23 0.10 0.01 0.00 0.96 0.98 <br />24 0.09 0.00 0.00 0.96 0.98 <br />25 0.08 0.00 0.00 0.96 0.98 <br />26 0.07 0.01 0.00 0.97 0.98 <br />27 0.06 0.00 0.00 0.97 0.99 <br />28 0.04 0.00 0.01 0.97 0.99 <br />29 0.03 0.02 0.00 0.99 0.99 <br />30 0.03 0.00 0.00 0.99 1.00 <br />