Summary for Test 2026-01-14-42-1
Test performed: ASTM C39-17aProject Information
| Project Identifiers | Project ID: 1001767 DEA: 043X7004 EFIS: 0425000313 |
|---|---|
| DIST-CO-RTE-PM | 04-SOL-80-0.55/0.55 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Structural Damage of the Carquinez Toll Plaza Building and It's Supporting Columns |
| Location Description | Carquinez Toll Plaza Building |
| QA Service Level | 1 (Verified on 11/20/2025) |
Sample Information
| Sample Taken Date | 01/14/2026 | Sample Unique Key | 42 |
|---|---|---|---|
| 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 testing | 02/05/2026 |
| Sample type | Quality Assurance | A brief description of the sample | 1"x#4 Mix Concrete |
| The quantity of what the sample constitutes | 4 CY | From where was the sample collected | Job Site |
| First name of sampler or witnessed by | Mahmoud | Last name of sampler or witnessed by | Nasim |
| Title of sampler | Telephone number of sampler | ||
| Laboratory sample identification | Linked DIME Sample ID | ||
| The fabricator/manufacturer/facility name | Yerba Buena Engineering | Transportation Laboratory (TL) Number | |
| Inspector Lot Number from the Transportation Laboratory (TL) Form | Structure unique identifier | ||
| Structure name | Bid Item | Not set |
Material Information
| Material Type | Concrete | The concrete mix design number | 1615759 |
|---|---|---|---|
| The truck number from where the sample was collected | 10065528 | The batch plant ticket number from where the sample was collected | 41093643 |
| Concrete batch plant | The fabricator/manufacturer designation for the sample | ||
| A detailed description of where the material sample was collected | Shute | Where the material sample would have been placed if not sampled | Stair Wall |
| From Lot No. | Bag Lot No. |
Test Details
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DIME Sample ID: 2026-01-14-42
DIME Test ID: 2026-01-14-42-1
Testing Lab: CT HQ - Vallejo Field Laboratory
Test Method: ASTM C39-17a: Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Test Release Date: 2026-02-13
Test Results
Unit system used?: US Units
Number of specimens: 6
Test performed: With no density determined
Input Type: Measured
Tester's full name: Mario Periera Vaz
Date of test: 02/11/2026
Capped in accordance with?: ASTM C1231 - Unbonded Elastomeric Pad Cap
Average diameter of cylinder 1: 4.00 in
Average diameter of cylinder 2: 4.00 in
Average diameter of cylinder 3: 4.00 in
Average diameter of cylinder 4: 4.00 in
Average diameter of cylinder 5: 4.00 in
Average diameter of cylinder 6: 4.00 in
Maximum load on cylinder 1: 64550 lb
Maximum load on cylinder 2: 68145 lb
Maximum load on cylinder 3: 71720 lb
Maximum load on cylinder 4: 66940 lb
Maximum load on cylinder 5: 70675 lb
Maximum load on cylinder 6: 63395 lb
Type of fracture pattern of cylinder 1: 2
Type of fracture pattern of cylinder 2: 5
Type of fracture pattern of cylinder 3: 5
Type of fracture pattern of cylinder 4: 5
Type of fracture pattern of cylinder 5: 3
Type of fracture pattern of cylinder 6: 5
Comment on any defect in either specimen or caps (Max 250 Characters): no data
Correction factor for cylinder 1: 1.00
Correction factor for cylinder 2: 1.00
Correction factor for cylinder 3: 1.00
Correction factor for cylinder 4: 1.00
Correction factor for cylinder 5: 1.00
Correction factor for cylinder 6: 1.00
Age of specimen: 28 days
Age of specimen in hours: no data
Cross sectional area of cylinder 1: 12.57 in^2
Cross sectional area of cylinder 2: 12.57 in^2
Cross sectional area of cylinder 3: 12.57 in^2
Cross sectional area of cylinder 4: 12.57 in^2
Cross sectional area of cylinder 5: 12.57 in^2
Cross sectional area of cylinder 6: 12.57 in^2
Compressive strength of cylinder 1: 5135.2 psi
Compressive strength of cylinder 2: 5421.2 psi
Compressive strength of cylinder 3: 5705.6 psi
Compressive strength of cylinder 4: 5325.4 psi
Compressive strength of cylinder 5: 5622.5 psi
Compressive strength of cylinder 6: 5043.4 psi
Compressive strength (to nearest 10 psi): 5380 psi
General comments (publicly viewable) (Max 1000 characters): 6 samples dropped of 02-05-2026 (Day 22)
Test was verified on 2/13/2026 ✔