Summary for Test 2021-07-19-41-2

Test performed: CTM 301-March 2000

Project Information

Project IdentifiersProject ID: 212775
DEA: 024F2204
EFIS: 0212000073
DIST-CO-RTE-PM02-TRI-3-58.7/61.9
Award Date02/25/2021
Closeout DateNot set
Work DescriptionREPLACE STRUCTURAL CONCRETE BRIDGE AND CULVERTS AND PLACE HMA.
Location DescriptionTRINITY COUNTY NEAR TRINITY CENTER FROM 58.7 MILES NORTH OF PREACHER MEADOWS ROAD TO 60.7 MILES SOUTH OF EL DORADO WAY
QA Service Level1 (Verified on 01/08/2019)

Sample Information

Sample Taken Date07/19/2021 Sample Unique Key41
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 testing07/27/2021
Sample typeAcceptance A brief description of the sampleNative Soil
The quantity of what the sample constitutes2 Bags for R-Value From where was the sample collectedJob Site
First name of sampler or witnessed byErnest Last name of sampler or witnessed byGarcia
Title of samplerConsultant Telephone number of sampler
Laboratory sample identificationD78915 Linked DIME Sample ID
The fabricator/manufacturer/facility nameUnknown Transportation Laboratory (TL) Number001475
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure name

Material Information

Material TypeSoil The fabricator's/manufacturer's product name for the sample
The fabricator/manufacturer designation for the sample A detailed description of where the material sample was collected02-TRI-3-Source alignment D Sta149 50 to 152 50
Where the material sample would have been placed if not sampled02 TRI 3 PM 58 7 to 60 7

Test Details

DIME Sample ID: 2021-07-19-41
DIME Test ID: 2021-07-19-41-2
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: 2021-08-16

Test Results


How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Dennis Hickey
Date of test: 08/05/2021
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: 96 %
As Received Gradation, Percent Passing 1 in. sieve: 86 %
As Received Gradation, Percent Passing 3/4 in. sieve: 81 %
As Received Gradation, Percent Passing 1/2 in. sieve: 73 %
As Received Gradation, Percent Passing 3/8 in. sieve: 69 %
As Received Gradation, Percent Passing #4 sieve: 57 %
As Received Gradation, Percent Passing #8 sieve: 49 %
As Received Gradation, Percent Passing #16 sieve: 41 %
As Received Gradation, Percent Passing #30 sieve: 35 %
As Received Gradation, Percent Passing #50 sieve: 30 %
As Received Gradation, Percent Passing #100 sieve: 24 %
As Received Gradation, Percent Passing #200 sieve: 20 %
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: 90 %
As Used Gradation, Percent Passing 3/8 in. sieve: 85 %
As Used Gradation, Percent Passing #4 sieve: 71 %
As Used Gradation, Percent Passing #8 sieve: 60 %
As Used Gradation, Percent Passing #16 sieve: 51 %
As Used Gradation, Percent Passing #30 sieve: 43 %
As Used Gradation, Percent Passing #50 sieve: 37 %
As Used Gradation, Percent Passing #100 sieve: 30 %
As Used Gradation, Percent Passing #200 sieve: 24 %
Horizontal pressure (specimen 1): 0.52 MPa
Displacement (specimen 1): 3.6
Horizontal pressure (specimen 2): 0.7 MPa
Displacement (specimen 2): 3.5
Horizontal pressure (specimen 3): 0.85 MPa
Displacement (specimen 3): 3.45
R value (specimen 1): 43.6
R value (specimen 2): 29
R value (specimen 3): 17.6
R value: 25
General comments (publicly viewable) (Max 1000 characters): R-Value = 25 due to height correction

Test was verified on 8/16/2021