ASTM D4215-21

Podrobné informace

Označení: ASTM D4215-21

Datum vydání: 01.05.2021

Stran: 4

Země: Americká technická norma

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Anotace

This specification covers cold-mixed, cold-laid and recycled cold-mixed, cold-laid bituminous paving mixtures for base, binder, leveling, and surface courses. The following shall conform to the specified requirements: coarse and fine aggregates, mineral filler, bitumen, and composition of bituminous paving mixtures. The equipment for mixing shall be one of the following: central plant, travel plant, and grand or drag. The mixing operations are detailed and includes: (1) aggregate storage, (2) old bituminous pavement, (3) preparation of bitumen, (4) preparation and handling of mineral aggregates, (5) preparation and handling of bitumen aggregates for recycling, (6) preparation of mixture, and (7) mixing plant inspection. The tests methods that shall be used to determine the properties are sieve analysis of aggregates, sieve analysis of mineral filler, determination of bitumen content, specific gravity of coarse aggregate, specific gravity of coarse aggregate, plasticity index, and percentage of coated particles.


Keywords:
ICS Number Code 91.100.50 (Binders. Sealing materials),93.080.20 (Road construction materials)