ASTM D35-18 Specification for Certain Commercial Grades of Broken Stone

AMERICAN SOCIETY FOR TESTING MATERIALS

PHILADELPHIA, PA., U. S. A.

~FILIATED WITH THE

!NTERNAT:::ONAL AssociATION FOR TEsTING MATEJUAU!.

STANDARD FORM
OF

SPECIFICATIONS FOR CERTAIN COMMERCIAL
GRADES OF BROKEN STONE.

Serial Designation: D 35 - 18.

This form of specifications is issued ttnder the fixed designation D 35;

the final number indicates the year of original adoption as standard, or in the

case of revision, the year of bst revision. '

PROPOSED AS TE:-!TATIVE, 1916; ADOPTED, 1918.

The broken stone shall consist of one product of the opera-
tion of a stone-crushing and screening plant without recom-
bining or mixing, and shall conform to the following mechanical
analysis using laboratory screens:

Passing screen having smallest boles selected ........ From .. to .. per cent

Passing screen having next to largest holes selected .... From .. to . . "

Passing screen having largest holes selected .......... From .. to ..

Total passing screen having largest boles sel~cted... 100

Example.-The broken stone shall consist of one product of the operation

of a stone-cmshing and screening plant without recombining or mixing, and

shall conform to the following mechanical analysis using laboratory screens:

Passing 1-in. screen ............................. ; . . . . 3 to 10 per cent

Passing l-in. screen and retained on !-in. screen.......... 80 to 95 "

Passing 11--in. screen and retained on l-in. screen .... ,.,, 2 to 10

Total passing f~-in. screen.......................... 100 "

or the analysis may be expressed as follows:

Total passing 1-in. screen ........................... . 3 to 10 per cent
Total passing l-in. " .......................•.... 90 to 98 "
Total passing 1!-in. " ........................••..
100 ..

(668)