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A <br />B <br />C <br />D <br />E <br />SITE COEFFICIENT, F. PER ASCE/SEI 7-16 <br />S,50.25 <br />S,=0.5 S,=0.75 S,=1 <br />S,=1.25 <br />S,>_1.5 <br />0.8 <br />0.8 0.8 0.8 <br />0.8 <br />0.8 <br />0.9 <br />0.9 0.9 0.9 <br />0.9 <br />0.9 <br />1.3 <br />1.3 1.2 1.2 <br />1.2 <br />1.2 <br />1.6 <br />1.4 1.2 1.1 <br />1 <br />1 <br />2.4 <br />1.7 1.3 1.2 <br />1.2 <br />1.2 <br />Use straight-line interpolation for intermediate values of S,. <br />SITE CLASSIFICATION PER ASCE/SEI 7-16 <br />Site Class <br />Ground Structure <br />A <br />Hard Rock <br />B <br />Rock <br />C <br />Very Dense Soil and Soft Rock <br />D <br />Stiff Soil <br />E <br />Soft Clay Soil <br />GROUT <br />BEFORE A SEISMIC EVENT DURING A SEISMIC EVENT <br />(Exaggerated) <br />6 <br />