DEPARTMENT OF TRANSPORTATION
DIVISION 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 #
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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 # |
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REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Howard Giang |
Date Reported: |
08/13/2021 |
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Address: |
TL Number: |
78829 |
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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: |
06/19/2021 |
Mix Design: |
JS1212 |
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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: SB Outside 2 Joints at Shoulder |
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Location of Pour: |
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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 |
|---|---|---|---|---|---|
| 1 | 3.00 | 7.07 | 129658 | 18339.2 | 1 |
| 2 | 3.00 | 7.07 | 125142 | 17700.4 | 1 |
| 3 | 3.00 | 7.07 | 130601 | 18472.6 | 1 |
| 4 | 3.00 | 7.07 | 125414 | 17738.9 | 1 |
| 5 | 3.00 | 7.07 | 134331 | 19000.1 | 1 |
DIME Test ID: 2021-06-19-1-1
Number of specimens: 5
Compressive strength (to nearest 10 psi): 18250
Comment on any defect in either specimen or caps (Max 250 Characters):
Age of specimen: 2 days
Age of specimen in hours: 54
Certified By: Spencer Adams
ASTM C39-17a : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Capped in accordance with ASTM C617 - Sulfur Mortar Cap
| 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 | 3.01 | 7.12 | 167259 | 23491.4 | 1 |
| 2 | 3.01 | 7.12 | 165980 | 23311.8 | 1 |
| 3 | 3.01 | 7.12 | 174859 | 24558.8 | 1 |
| 4 | 3.01 | 7.12 | 165124 | 23191.6 | 1 |
| 5 | 3.01 | 7.12 | 178290 | 25040.7 | 1 |
DIME Test ID: 2021-06-19-1-2
Number of specimens: 5
Compressive strength (to nearest 10 psi): 23920
Comment on any defect in either specimen or caps (Max 250 Characters):
Age of specimen: 56 days
Certified By: Spencer Adams
Test ID: 2021-06-19-1-1: 5 Cylinders Broke @ 54 Hours
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*Subject to final inspection by the Resident Engineer. |
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TL- Report of Laboratory Testing