1980-06-30 Special Called Meeting

Browse Search

• l~ J Type ..B.. • Retained on 5 / 8" Sieve 0 Retained on 1/2" Sieve 0 to 2 Retained on 3/8" Sieve 5 to 15 Retained on No. 4 Sieve. .45 to b0 Passing No. 10 Sieve .25 to 35 Type "C" Retained on 1/2" Sieve 0 Retained on 3 / 8" Sieve 0 to 2 Retained on No . 4 S ieve . . 40 to 55 Passing No. 10 Sieve .20 to 35 Type "CC" Retained on 1/2" Sieve 0 Retained on 3/8" Sieve 0 to 2 Retained on No . 4 Sieve . . 40 to 55 Passing No. 10 Sieve .35 to 50 Type "D" Retained on 3/8" Sieve . Retained on 1/4" Sieve . Retained on No. 4 Sieve. . Passing No. 10 Sieve . Sampling and Testing. The ~,aith Texas Test Methods to governing specification re . ._ 0 . 0 to 2 . 5 to 15 . .35 to SO mixture shall be test in accordance determine whether it complies with the ~uirements. Stability is a control requirement. If the stability of the mixture produced has a value 10 percent lower than that specified, corrective measures shall be taken to bring the mixture within the specified requirements. Tolerances. The designated grading and fluxing material content shall be such that when the tolerances listed below ar allowed, the grading and the fluxing material content will be within the grading limits specified. The respective tolerances, based on the percent by weight of the mixture, are listed as follows: Percent by Weight Retained on 7/8" Sieve. .plus cr minus 4 Retained on 5/8" Sieve. .Plus or minus 4 Retained on 1/2" Sieve. .plus or minus 4 Retained on 3/8" Sieve. .plus or minus 4 Retained on 1/4" Sieve. .plus or minus 4 Retained Total Retai d on No. 4 Sieve N 10 Si .plus l or minus i 4 3 ne on eve. o. .p us nus or m Fluxing Material. .plus or minus 0.2 (10)