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 # 033H72U4 Cty BUT Rte 70 PM 5.6/9.1 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Dan Rechs |
Date Reported: |
09/18/2020 |
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Address: |
TL Number: |
134359 |
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City: |
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Project Name: ROADWAY EXCAVATION, PLACE HMA & RHMA, & CONSTRUCT DRAINAGE SYSTEMS. |
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Prime Contractor: BALDWIN CONTRACTING COMPANY INC. DBA. KNIFE RIVER CONSTRUC TION |
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Sample Taken Date: |
08/21/2020 |
Mix Design: |
6316p25 |
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Contractor: Unknown |
Location: BUTTE COUNTY NEAR OROVILLE FROM 0.2 MILE NORTH OF COX LANE TO 0.1 MILE NORTH OF PALERMO ROAD |
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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 | 5.99 | 28.18 | 111284 | 3949.0 | 1 |
2 | 5.97 | 27.99 | 116716 | 4170.0 | 1 |
DIME Test ID: 2020-08-21-10-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 4060
Age of specimen: 28 days
Certified By: Larry McCrum
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing