ASTM D1863/D1863M-05(2018)

Annotation of standard text ASTM D1863/D1863M-05(2018) :

This specification covers the standards for the quality and grading of crushed stone, crushed slag, and water-worn gravel intended for use as coarse mineral aggregate on built-up roofs. The crushed stone and gravel shall be hard, durable, opaque, and free of foreign substances. The crushed slag, on the other hand, shall be hard, air-cooled, and free of as well of any foreign particles. The specimens shall comply with the gradation and physical requirements prescribed herein and shall undergo testing which include a gradation test, moisture test, unit mass test, dust, and hardness test.


Keywords:
built-up roofs, crushed slag, crushed stone, gravel, mineral aggregate ,, ICS Number Code 91.100.50 (Binders. Sealing materials)