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 # 030H3424 Cty SAC Rte 99 PM 22.6 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Howard Giang |
Date Reported: |
08/08/2021 |
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Address: |
TL Number: |
007 |
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City: |
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Project Name: REPLACE BRIDGE DECK WITH PRESTRESSED CONCRETE BOX GIRDER. |
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Prime Contractor: BRIDGEWAY CIVIL CONSTRUCTORS, INC. |
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Sample Taken Date: |
06/13/2021 |
Mix Design: |
Unknown |
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Contractor: Unknown |
Location: SACRAMENTO COUNTY IN SACRAMENTO AT 21ST AVENUE UNDERCROSSING |
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Structure unique identifier: |
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Structure name: 21st Avenue UC |
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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 C39 - Ground End
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 | 3.02 | 7.16 | 97466 | 13612.6 | 1 |
2 | 3.02 | 7.16 | 102935 | 14376.4 | 1 |
3 | 3.03 | 7.21 | 96123 | 13331.9 | 1 |
4 | 3.03 | 7.21 | 105184 | 14588.6 | 1 |
5 | 3.03 | 7.21 | 104586 | 14505.7 | 1 |
DIME Test ID: 2021-06-13-1-1
Number of specimens: 5
Compressive strength (to nearest 10 psi): 14080
Comment on any defect in either specimen or caps (Max 250 Characters):
Age of specimen: 1 day
Certified By: Spencer Adams
ASTM C39-17a : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Capped in accordance with ASTM C39 - Ground End
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 |
---|---|---|---|---|---|
1 | 3.00 | 7.07 | 168148 | 23783.3 | 1 |
2 | 3.00 | 7.07 | 172206 | 24357.3 | 1 |
3 | 3.00 | 7.07 | 168558 | 23841.3 | 1 |
4 | 3.00 | 7.07 | 174954 | 24746 | 1 |
DIME Test ID: 2021-06-13-1-2
Number of specimens: 4
Compressive strength (to nearest 10 psi): 24180
Comment on any defect in either specimen or caps (Max 250 Characters): Specimen 5 broke out of range and thus was excluded from average (19,618 psi).
Age of specimen: 56 days
Certified By: Spencer Adams
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing