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 # 040120T4 Cty SF Rte 80 PM 12.6/13.9 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Tom Larwin |
Date Reported: |
09/17/2015 |
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Address: |
TL Number: |
Unknown |
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City: |
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Project Name: CONSTRUCT BRIDGE, ROADWAYS, ELECTRICAL, BUILDINGS AND REMOVE BRIDGES |
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Prime Contractor: CALIFORNIA ENGINEERING CONTRACTORS, INC. |
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Sample Taken Date: |
07/23/2015 |
Mix Design: |
98A5C2KS |
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Contractor: Unknown |
Location: THE CITY AND COUNTY OF SAN FRANCISCO FROM THE YERBA BUENA TUNNEL TO 1.3 KM EAST OF THE YERBA BUENA TUNNEL |
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Structure unique identifier: 56 day break |
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Structure name: YBITS2 W2 Bikepath |
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Location of Pour: trial batch only |
The following testing has been tested in accordance with:
ASTM C39-10 : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Capped in accordance with ASTM C617/CTM521
Specimen | Cross sectional area of cylinder (in^2) | Average diameter of cylinder (in) | Compressive strength of cylinder (psi) | Maximum load on cylinder (lb) | Type of fracture pattern of cylinder |
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1 | 27.99 | 5.97 | 12835.7 | 359270 | 1 |
2 | 27.81 | 5.95 | 9698.7 | 269720 | 4 |
3 | 28.37 | 6.01 | 11926.7 | 338361 | 1 |
4 | 28.37 | 6.01 | 12910.6 | 366275 | 1 |
5 | 28.37 | 6.01 | 12532.6 | 355551 | 1 |
DIME Test ID: 2015-07-23-9-1
Number of specimens: 5
Compressive strength (to nearest 10 psi): 11980
Age of specimen: 56 days
Certified By: Bang Nguyen
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing