. Engineering research series . wdui lavnos xid sdunoa ui niskaaie 2iicu3i bo 56 University of Texas Bulletin TABLE 18TENSILE STRENGTH OF GRAVEL CONCRETE, SERIES I(Each Result the Average of Three Specimens 5x5) Sacks of cement percu. yd. of concrete Ultimate unit stress in pounds per square inch Age 3 months. *The wet Two specimens. TABLE 19 TENSILE STRENGTH OF GRAVEL CONCRETE, SERIES II(Each Result from Test of One Specimen 5x5) Ultimate unit stress in pounds per square inch Sacks of cement percu. yd. cf concrete Age 12 days Age 28 days Age 3 months 48 80 116 212 332 358 *5.
. Engineering research series . wdui lavnos xid sdunoa ui niskaaie 2iicu3i bo 56 University of Texas Bulletin TABLE 18TENSILE STRENGTH OF GRAVEL CONCRETE, SERIES I(Each Result the Average of Three Specimens 5x5) Sacks of cement percu. yd. of concrete Ultimate unit stress in pounds per square inch Age 3 months. *The wet Two specimens. TABLE 19 TENSILE STRENGTH OF GRAVEL CONCRETE, SERIES II(Each Result from Test of One Specimen 5x5) Ultimate unit stress in pounds per square inch Sacks of cement percu. yd. cf concrete Age 12 days Age 28 days Age 3 months 48 80 116 212 332 358 *5. 54 176 231 273 ).83 () 293 324 387 5,93 () 312 378 484 371 357 386 421 404 462 () 372 304 320 *The very wet wet mixture. TABLE 20 TENSILE STRENGTH OF GRAVEL CONCRETE, SERIES III(Each Result the Average of Tests of Two Specimens 5x5) Sacks of cement percu. yd. of concrete Ultimate unit stress in pounds per square inch
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