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 # 042J7404 Cty SM Rte 101 PM 0.9/23.4 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Peter Lam |
Date Reported: |
10/19/2023 |
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Address: |
TL Number: |
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City: |
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Project Name: REMOVE BRIDGES (PORTIONS), BRIDGE BARRIERS, CONCRETE BARRIERS, & HMA. |
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Prime Contractor: Graniterock (Matt Christie) |
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Sample Taken Date: |
09/21/2023 |
Mix Design: |
577750E6 |
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Contractor: Unknown |
Location: SAN MATEO COUNTY AT VARIOUS LOCATIONS FROM UNIVERSITY AVENUE OVERCROSSING TO SIERRA POINT OFF RAMP OVERCROSSING |
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Structure unique identifier: 35-0131S |
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Structure name: Sierra point bridge |
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Location of Pour: Bridge deck |
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
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 | 4.03 | 12.76 | 69798 | 5472.0 | 2 |
2 | 4.01 | 12.63 | 85132 | 6741.0 | 2 |
3 | 4.01 | 12.63 | 75479 | 5977 | 2 |
DIME Test ID: 2023-09-21-42-1
Number of specimens: 3
Compressive strength (to nearest 10 psi): 6060
Age of specimen: 28 days
Certified By: Spencer Adams
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing