. Fireproof construction for houses and other buildings at moderate cost. Weight of p!r2?bSft- per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. libs. 5 3508 2512 1942 1608 1377 934 692 477 294 6 2408 1722 1327 1100 942 636 470 320 196 7 1748 1247 962 796 680 456 334 230 137 8 1323 941 725 596 509 338 248 168 99 9 1028 729 559 461 392 258 188 127 73 10 816 577 442 363 308 202 145 97 54 11 660 466 355 291 227 158 113 75 40 12 542 379 289 236 199 126 89 58 30 13 450 313 23S 193 163 101 70 45 21 14 37
. Fireproof construction for houses and other buildings at moderate cost. Weight of p!r2?bSft- per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. per sq. libs. 5 3508 2512 1942 1608 1377 934 692 477 294 6 2408 1722 1327 1100 942 636 470 320 196 7 1748 1247 962 796 680 456 334 230 137 8 1323 941 725 596 509 338 248 168 99 9 1028 729 559 461 392 258 188 127 73 10 816 577 442 363 308 202 145 97 54 11 660 466 355 291 227 158 113 75 40 12 542 379 289 236 199 126 89 58 30 13 450 313 23S 193 163 101 70 45 21 14 376 261 197 160 134 80 56 35 14 15 317 218 164 132 110 65 43 26 16 269 184 137 110 91 48 33 19 17 229 155 115 92 75 41 25 14 18 195 131 96 76 62 31 IS 9 19 167 111 81 63 51 22 11 20 142 93 67 52 41 17 S 21 121 78 55 42 33 11 22 103 65 45 34 26 6 23 88 54 37 26 19 24 74 4 1 29 19 14 25 62 35 22 14 9 NATCO • HOLLOWTILE NATIONAL FIRE PROOFINGm -COMPANY- m LOAD TABLE of Terra Cotta Hollow Tile Floors, Combined with Reinforced Concrete Joists, with 2 inch Cement Top Composition of Concrete: 1 Part Portland Cement—3 Parts Sand—5 Parts Stone or Strength of Steel—16000 lbs. per square inch. Safe Live Load in Pounds per square Foot—Factor of Safety—4. 15-in. Tile 12-in. Tile 10-in. Tile 9-in. Tile S in 7-in. Tile 6-in. Tile 5-in. Tile 4-in. Tile 1 A-in. Dia. 14-in. Dia. 1i-in. Dia. 1-in. Dia. 1-in. Dia. Span inFeet Rod Rod Rod Rod Rod Rod Rod Rod Rod Weight Weight ofFloor Weight oi Floor Weight ofFloor Weight ofFloor Weight of Floor Weight ofFloor Weight ofFloor Weight ofFloor per sq. lbs. per sq. lbs. per sq. lbs. per sq. lbs. ^Tbs- per sq. lbs. P62 lrjs. per sq. lbs. per sq. lbs. 5 7024 5226 4488 3289 2988 2623 1801 1361 934 6 4849 3598 3088 2264 2053 1798 1228 930 634 7 3534 2608 2248 1640 1488 1305 890 669 452 8 2680 1983 1702 1239 1023 983 657 500 334 9 2094 1548 1328 974 S72 765 513 383 254
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectarchitecturedomestic
