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 # 04013584 Cty SF Rte 80 PM 8.0/8.3,0.9/1.4 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Brian Boal |
Date Reported: |
09/26/2018 |
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Address: |
TL Number: |
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City: |
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Project Name: Pier Retention |
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Prime Contractor: Kiewit/Manson, AJV |
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Sample Taken Date: |
08/29/2018 |
Mix Design: |
98A112MS |
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Contractor: Unknown |
Location: In San Francisco and Alameda Counties on Yerba Buena Island and .4 miles west of Oakland Toll plaza |
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Structure unique identifier: |
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Structure name: Oakland Observation Structure |
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Location of Pour: OSOS Piers 21 and 22 and 23 |
The following testing has been tested in accordance with:
ASTM C39-10 : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Capped in accordance with ASTM C617/CTM521
Specimen | Cross sectional area of cylinder (in^2) | Average diameter of cylinder (in) | Compressive strength of cylinder (psi) | Maximum load on cylinder (lb) | Type of fracture pattern of cylinder |
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1 | 28.37 | 6.01 | 4284.5 | 121551 | 1 |
2 | 28.27 | 6.00 | 4421.9 | 125007 | 1 |
DIME Test ID: 2018-08-29-8-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 4350
Age of specimen: 7 days
Certified By: Mike Mullins
ASTM C39-10 : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Capped in accordance with ASTM C617/CTM521
Specimen | Cross sectional area of cylinder (in^2) | Average diameter of cylinder (in) | Compressive strength of cylinder (psi) | Maximum load on cylinder (lb) | Type of fracture pattern of cylinder |
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1 | 28.75 | 6.05 | 6675.3 | 191915 | 1 |
2 | 28.56 | 6.03 | 6583.7 | 188030 | 1 |
DIME Test ID: 2018-08-29-8-2
Number of specimens: 2
Compressive strength (to nearest 10 psi): 6630
Age of specimen: 28 days
Certified By: Larry McCrum
ASTM C39-10 : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Capped in accordance with ASTM C617/CTM521
Specimen | Cross sectional area of cylinder (in^2) | Average diameter of cylinder (in) | Compressive strength of cylinder (psi) | Maximum load on cylinder (lb) | Type of fracture pattern of cylinder |
---|---|---|---|---|---|
1 | 28.56 | 6.03 | 6136.7 | 175264 | 1 |
2 | 28.37 | 6.01 | 5722.7 | 162352 | 1 |
DIME Test ID: 2018-08-29-8-3
Number of specimens: 2
Compressive strength (to nearest 10 psi): 5930
Age of specimen: 28 days
Certified By: Larry McCrum
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing