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: |
11/29/2021 |
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Address: |
TL Number: |
04150000163 |
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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: |
10/29/2021 |
Mix Design: |
SL3172CE |
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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 | 5.98 | 28.09 | 197550 | 7034.0 | 1 |
2 | 5.99 | 28.18 | 194890 | 6916.0 | 1 |
DIME Test ID: 2021-10-29-18-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 6980
Age of specimen: 31 days
Certified By: Spencer Adams
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing