Gavin Newsom, Governor |
DEPARTMENT OF TRANSPORTATIONDIVISION OF ENGINEERING SERVICES MATERIALS ENGINEERING AND TESTING SERVICES Concrete Materials Testing Branch 5900 Folsom Blvd. Sacramento, CA 95819 916-227-7205 |
Contract # 043G4544 Cty ALA Rte 92 PM R14.4/R18.8,R0.0/R.2.4 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Kingston Atako |
Date Reported: |
10/30/2020 |
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Address: |
TL Number: |
174804 |
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City: |
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Project Name: Repair Spalled Concrete Columns and Spandrel Beams |
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Prime Contractor: Golden State Bridge, Inc |
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Sample Taken Date: |
10/02/2020 |
Mix Design: |
0000000000 |
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Contractor: Unknown |
Location : San Mateo-Hayward Bridge |
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Structure unique identifier: |
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Structure name: |
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Location of Pour: |
The following testing has been tested in accordance with:
ASTM C39-17a : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Capped in accordance with ASTM C617/CTM521
Cured in accordance with ASTM C511
Specimen | Average diameter of cylinder (in) | Cross sectional area of cylinder (in^2) | Maximum load on cylinder (lb) | Compressive strength of cylinder (psi) | Type of fracture pattern of cylinder |
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1 | 6.01 | 28.37 | 186132 | 6561.0 | 1 |
2 | 6.00 | 28.27 | 192209 | 6798.0 | 1 |
DIME Test ID: 2020-10-02-18-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 6680
Age of specimen: 28 days
Certified By: Larry McCrum
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing