2400 W. Oxford Ave.

Englewood, CO 80110

303-762-1160

Specifications

 

Class 6 Base Course        June 2023

AASHTO T 27, Sieve Analysis of Fine and Course Aggregates

​Sieve Size

19.0 mm (3/4")12.5 mm (1/2")9.5 mm (3/8")4.75 mm (No. 4)2.36 mm (No. 8)1.18 mm (No. 16)600 um (No. 30)300 um (No. 50)150 um (No. 100)75 um (No.200) R-Value% Passing

1008775554433231485.4 86CDOT Grading Specifications
% Passing100--30-6525-55----3-12

AASHTO T 96, Resistance to Degradation of Small Size Coarse
Aggregate by Abrasion and Impact in the Los Angeles Machine

​Sample IDClass 6GradingD% Loss38Weight Before (g)5000.0Weight After (g)2915

 

AASHTO T 89, Determining the Liquid Limits of Soils

​Sample IDClass 6Liquid LimitNL

 

AASHTO T 90, Determining the Plastic Limits and Plasticity Index of Soils

​Sample IDClass 6Plastic LimitNLPlasticity IndexNP

 

AASHTO T 180, Moisture-Density Relations of Soils

​Sample IDClass 6Optimum Moisture %12.0Maximum Density (Proctor), pcf114.5

1 1/2" Dry Screened Rock

​Sample1 1/2 inch1 1/2 inch1001 inch663/4 inch29%Passing1/2 inch33/8 inch2No. 41

 

Recycled Asphalt          6/15/18

 

​Sieve Size

1 1/2"1"3/4"1/2"3/8"No. 4No. 8No. 16No. 30No. 50No. 100No. 200 AC Content %*% Passing

100100100979380675138271813.1 5.00

* Asphalt cement content does not reflect an ash correction or a retention factor.