ASTM D161 − 27 Specification for Crushed Stone, Crushed Slag, and Gravel for Bituminous Concrete Base and Surface Courses of Pavements (Withdrawn 1938)

STANDARD SPECIFICATIONS

FOR

TIROKEN SLAG FOR BITUMINOUS CONCRETE
(FINE-GRADED AGGREGATE TYPE)'

Serial Designation: D 161 - 27

These spccilica t iom; arc issued under the fixed designation D I6 I; lhc finn!
number imlicut.es the year u[ original adoption as standard or, in the 1:ase o[ revision,
the ycnr of ia.st revision.

l ssUY.u AS 'l'ENTATIV" , 1923; /\ooPTJm IN /\MENDEn Fo~tM, 1927.

Scope. 1. 'J'hcse specifications cover slag aggregate to be used in the con-
struc tion or a bitum inous concrt:le wearing surrace constructed by lite
Gone ral mixing method.
Chur ncttr-
lst ic•. 2. The broken slag shall be air-cooled blast-rurnacc slag and
shall consist of angular f ragments reasonably uniform in density and
Weight. qmtlit.y, and reasonably free from thin, donga tcd or glassy pieces,
Slag dirt or olher objectionable matter.
A gg r eg a t e
0 to ~ -in 3. The weight per cuhic foot shall lw not less than 70 lb.
Siz.,, 4. The slag aggregate is that portion of the product of the crusher,
which, when tested by means of laboratory screens, shall confonn
to the rollowing requirements:

Pns:;ing !·in. screen .... • ............... , ........ 9J to 100 per cent
P assing l -in. l;Creen ..•....... ....... ......... . .. 0 to 75 "

Meth ods of 5. Weigllt per Cubic Fool.-The weight pt!r cubic foot shall be
Tes ti nK.
determined in accordance with the Standard M ethod of Test for
Sampling. Unit Weight of Aggregate for Concrete (Serial Designation: C 29)
of the American Society for Testing Ma.terials.2

6. The method of sampling shall conform to theStandard Methods
of Sampling Stone, Slag, Gravel, Sand and Stone Block for Use as
H ighway Materials, Including Some Materiai Survey Methods (Serial
Designation : D 75) of the American Society for Testing Ma.terials.3

' Under the atandardi•.at inn J,trocedu"' nf the Soc:1aty, t~ specification• ue under the jurlorlic-
l ion
t See p. 120.
>See p. •O J.

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