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813 <br /> x 24" Section <br /> flexicore 2 HOUR FIRE RATING <br /> PRESTRESSED CONCRETE SLAB <br /> 250k STRAND <br /> Safe Load Table UNIFORMLY DISTRIBUTED SUPERIMPOSED` LOAD IN PSF <br /> Strand M 09 San Length ! in Ft. <br /> Standard Strands Area Ft.-Kips Ft.-Kips 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 <br /> Designation No.&Size Sq.In. per UnitPer Unit <br /> 824C-CB61` 4-1/2 0.612 38.2 60.3 285 264 246 230 215 202 190 179 169 160 152 145 137 131 122 111 101 92 83 <br /> 824C-CB60` 4-1/2 0.612 33.9 60.3 285 264 246 230 215 202 190 179 169 160 152 144 129 116 104 94 84 75 67 <br /> 824C-D58 4-1/2 0.576 34.3 53.9 285 264 246 230 215 202 190 179 169 160 152 140 127 115 104 94 85 77 69 <br /> 824C-D50 2-1/2 <br /> x/16 0.504 31.1 48.t 285 264 246 230 215 202 190 179 167 150 134 120 108 97 88 79 71 64 57 <br /> 824C-D43 4-7/16 0.432 27.8 42.1 285 264 246 230 215 201 178 158 140 125 111 100 89 79 71 63 56 1 50 <br /> _ I <br /> 824C-D38 2-7/16& 0.376 25.2 37.2 285 264 246 223 196 172 152 134 119 105 93 83 73 65 57 50 1 <br /> 2-3/8 <br /> 824C-D32 4-3/8 0.320 22.7 32.2 285 249 215 187 163 142 125 110 96 85 74 65 57 50 1 <br /> 824C-D29 2-1/2 0.288 21.2 29.3 259 222 191 165 144 125 109 95 83 72 63 55 <br /> TABULATED LOADS ARE BASED ON U=1.4D+1.7L AND WITH ALL LOAD SUPERIMPOSED ON THE STRUCTURAL SECTION CONSIDERED AS LIVE LOAD <br /> NOTES: <br /> 1. Grouted weight of structural unit is"57 psf or 114 <br /> N.A. HOLLOW CORE plf based on concrete unit weight 64--150 pcf. <br /> 57/e" DIA. Ln 2. Design is based on ACI Standard, "Building <br /> Code Requirements for Reinforced Concrete <br /> (ACI 318)." <br /> Co - - I- 00 3. No shear reinforcement is required for the <br /> tabulated loads. <br /> 0 4. Tabulated loads to the left of solid stepped line <br /> 23j„ `V are controlled by shear strength of the concrete. <br /> Shear reinforcement may be added to increase <br /> the safe loads. <br /> 5...Tabulated loads written in Italics are controlled <br /> by permissible flexural tension at service loads. <br /> 2 6. Tabulated loads to the right of the dashed <br /> A = 109.7 in. f'c = 6000 psi stepped line have deflections in excess of L/360. <br /> bw = 6.25 in. f'ci = 3500 psi 7. All strand stressed to 70% of ultimate except <br /> Ig = 843.2 in.4 fpu = 250 ksi CB60 which is stressed to 60%. <br /> Yb = 4.0 in. fpu" = 270 ksi 8. For longer spans and conditions not covered <br /> in the load table, consult Molin. <br /> 9. Greater fire ratings possible with restrained <br /> construction or rational design calculations. <br /> Molin Concrete Products Company 415 Lilac Street Lino Lakes, MN 55014 <br /> Office:651.786.7722 Fax:651.786.0229 Drafting Fax:651.783.3401 Toll Free:800.336.6546 <br /> www.molin.com e-mail:sales@molin.com drafting@molin.com <br />