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 # 042J7204 Cty CC Rte 580 PM 1.17 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Luis Melendez |
Date Reported: |
10/21/2021 |
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Address: |
TL Number: |
04150000161 |
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City: |
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Project Name: STEGE DRAIN SUPER-STRUCTURE, PRECAST VOIDED SLABS |
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Prime Contractor: GORDON N BALL INC |
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Sample Taken Date: |
10/14/2021 |
Mix Design: |
4EACC5KS |
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Contractor: Unknown |
Location: CONTRA COSTA COUNTY IN RICHMOND FROM 0.3 MILE EAST OF STEGE DRAIN BRIDGE TO 0.3 MILE WEST OF BAYVIEW AVENUE OVERCROSSING |
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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
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 | 79060 | 2787.0 | 1 |
2 | 6.02 | 28.46 | 74046 | 2601.0 | 1 |
DIME Test ID: 2021-10-14-23-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 2690
Age of specimen: 7 days
Certified By: Spencer Adams
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing