Summary for Test 2022-08-30-83-4

Test performed: CTM 301-March 2000

Project Information

Project IdentifiersProject ID: 212498
DEA: 021H5204
EFIS: 0217000009
DIST-CO-RTE-PM02-SIS-3,263-48.5/49.7 - 49.41
Award Date06/09/2023
Closeout DateNot set
Work DescriptionRoadway Rehabilitation
Location Description02-Sis-3, 263-R46.8/R48.0, 49.07/49.41
QA Service Level1 (Verified on 06/06/2017)

Sample Information

Sample Taken Date08/30/2022 Sample Unique Key83
Will the laboratory/organization for which you are a member perform testing on this material sample?Yes Date that the sample was received by the laboratory/organization performing the testing08/31/2022
Sample typeAcceptance A brief description of the sample2 bags of 3/4-inch Maximum Class 2 Aggregate Base
The quantity of what the sample constitutes500 – 2000 cy From where was the sample collectedJob Site
First name of sampler or witnessed byTrina Last name of sampler or witnessed byWiliams
Title of samplerARE Telephone number of sampler
Laboratory sample identificationD79148 Linked DIME Sample ID
The fabricator/manufacturer/facility nameCustom Crushing Transportation Laboratory (TL) Number891186
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure name

Material Information

Material TypeAggregate Source Identification (SMARA, name of Pit or Job Site)Custom Crushing
The fabricator's/manufacturer's product name for the sample The fabricator/manufacturer designation for the sample
The plant number A detailed description of where the material sample was collectedWindrow, after blade passed
Where the material sample would have been placed if not sampled Primary Aggregate Nominal Size3/4 inch
The concrete mix design number Lot number
Sublot number Aggregate Mix NumberNot set

Test Details

DIME Sample ID: 2022-08-30-83
DIME Test ID: 2022-08-30-83-4
Testing Lab: CT D02 - Redding Northern Regional Laboratory
Test Method: CTM 301-March 2000: Method for Determining the Resistance "R" Value of Treated and Untreated Bases, Subbases, and Basement Soils by the Stabilometer
Test Release Date: 2022-09-22

Test Results


How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Dennis Hickey
Date of test: 09/15/2022
As Received Gradation, Percent Passing 3 in. sieve: 100 %
As Received Gradation, Percent Passing 2 1/2 in. sieve: 100 %
As Received Gradation, Percent Passing 2 in. sieve: 100 %
As Received Gradation, Percent Passing 1 1/2 in. sieve: 100 %
As Received Gradation, Percent Passing 1 in. sieve: 100 %
As Received Gradation, Percent Passing 3/4 in. sieve: 98 %
As Received Gradation, Percent Passing 1/2 in. sieve: 80 %
As Received Gradation, Percent Passing 3/8 in. sieve: 69 %
As Received Gradation, Percent Passing #4 sieve: 51 %
As Received Gradation, Percent Passing #8 sieve: 38 %
As Received Gradation, Percent Passing #16 sieve: 30 %
As Received Gradation, Percent Passing #30 sieve: 24 %
As Received Gradation, Percent Passing #50 sieve: 18 %
As Received Gradation, Percent Passing #100 sieve: 13 %
As Received Gradation, Percent Passing #200 sieve: 10 %
As Used Gradation, Percent Passing 3 in. sieve: 100 %
As Used Gradation, Percent Passing 2 1/2 in. sieve: 100 %
As Used Gradation, Percent Passing 2 in. sieve: 100 %
As Used Gradation, Percent Passing 1 1/2 in. sieve: 100 %
As Used Gradation, Percent Passing 1 in. sieve: 100 %
As Used Gradation, Percent Passing 3/4 in. sieve: 100 %
As Used Gradation, Percent Passing 1/2 in. sieve: 82 %
As Used Gradation, Percent Passing 3/8 in. sieve: 71 %
As Used Gradation, Percent Passing #4 sieve: 52 %
As Used Gradation, Percent Passing #8 sieve: 39 %
As Used Gradation, Percent Passing #16 sieve: 30 %
As Used Gradation, Percent Passing #30 sieve: 24 %
As Used Gradation, Percent Passing #50 sieve: 19 %
As Used Gradation, Percent Passing #100 sieve: 13 %
As Used Gradation, Percent Passing #200 sieve: 10 %
Horizontal pressure (specimen 1): 0.12 MPa
Displacement (specimen 1): 5.22
Horizontal pressure (specimen 2): 0.1 MPa
Displacement (specimen 2): 6.23
Horizontal pressure (specimen 3): 0.12 MPa
Displacement (specimen 3): 4.59
R value (specimen 1): 79.6
R value (specimen 2): 80.1
R value (specimen 3): 81.6
R value: 81
General comments (publicly viewable) (Max 1000 characters):

Test was verified on 9/22/2022