While there may be slight variances in the naming convention of crushed stone the following are the most common names and sizes: Crushed stone #5 – Sizes are from 1″ down to fine particles. For road and paver base. Crushed stone #67 – Sizes from 3/4″ down to fine particles.
Massachusetts Department of Transportation – Highway Division . Standard Specifications for Highways and Bridges . Dense Graded Crushed Stone for Sub -Base .
Crushed Stone Specifications? J. E. Gray, Engineering Director National Crushed Stone Association Washington, D. C. When one realizes that in 1959 over $40 million out of $131 million of the total highway funds for Indiana was spent on the county road system of Indiana, and appreciates the enormous mileages
crushed particles. This requirement applies, however, only when gravel coarse aggregates are used in HMA, compacted aggregates, and asphalt seal coats except asphalt seal coats used on shoulders. Crushed particles are defined as those particles having one or more sharp, angular, fractured faces.
The 1995 Massachusetts Highway Department Standard Specifications for Highways and Bridges uses the metric system exclusively for all measurements. This change is in response to the Federal Government mandate that all highway construction contracts receiving Federal-aid funding, and advertized after September 30, 1996, have Plans,
and crushed stone used in construction in the United States in 2005. The 35 Mt of asphalt used in 2005 is slightly more than the total esti- mated asphalt and road oil used in the United States in 2000 (Kelly,
STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION EDITION OF 2019 Approved for June 1, 2019 Andy Barber, P.E. State Highway Engineer KYTC Mission Statement: To provide a safe, efficient, environmentally sound and fiscally responsible transportation system that delivers economic opportunity and enhances the quality of life in Kentucky.