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 # 010F3104 Cty DN Rte 101 PM 39.8 Vendor # |
REPORT OF LABORATORY TESTING |
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Resident Engineer: |
Karen Sanders |
Date Reported: |
02/16/2021 |
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Address: |
TL Number: |
926081 |
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City: |
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Project Name: REMOVE REINFORCED CONCRETE BOX CULVERT AND CONSTRUCT BRIDGE. |
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Prime Contractor: MCCULLOUGH CONSTRUCTION INC |
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Sample Taken Date: |
01/15/2021 |
Mix Design: |
MMX |
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Contractor: Unknown |
Location: DEL NORTE COUNTY NEAR SMITH RIVER AT DOMINIE CREEK |
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Structure unique identifier: |
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Structure name: Dominie |
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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 | 2.98 | 6.97 | 92373 | 13252.9 | 1 |
2 | 2.99 | 7.02 | 123742 | 17627.1 | 1 |
3 | 3.01 | 7.12 | 128314 | 18021.6 | 1 |
4 | 3.00 | 7.07 | 129757 | 18353.2 | 1 |
5 | 3.00 | 7.07 | 106596 | 15077.2 | 1 |
DIME Test ID: 2021-01-15-4-1
Number of specimens: 5
Compressive strength (to nearest 10 psi): 16470
Comment on any defect in either specimen or caps (Max 250 Characters): Initial ramp speed set too high for specimen #1, causing an irregular break.
Age of specimen: 4 days
Certified By: Mike Mullins
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 |
---|---|---|---|---|---|
1 | 2.96 | 6.88 | 134196 | 19505.2 | 1 |
2 | 2.97 | 6.93 | 137491 | 19840.0 | 1 |
3 | 2.99 | 7.02 | 139243 | 19835.2 | 1 |
4 | 3.00 | 7.07 | 135666 | 19189 | 1 |
5 | 3.01 | 7.12 | 142258 | 19980.1 | 1 |
DIME Test ID: 2021-01-15-4-2
Number of specimens: 5
Compressive strength (to nearest 10 psi): 19670
Comment on any defect in either specimen or caps (Max 250 Characters):
Age of specimen: 6 days
Certified By: Mike Mullins
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 |
---|---|---|---|---|---|
1 | 3.01 | 7.12 | 155997 | 21909.7 | 1 |
2 | 3.01 | 7.12 | 149744 | 21031.5 | 1 |
3 | 2.99 | 7.02 | 150705 | 21467.9 | 1 |
4 | 3.00 | 7.07 | 148275 | 20972.4 | 1 |
DIME Test ID: 2021-01-15-4-3
Number of specimens: 4
Compressive strength (to nearest 10 psi): 21350
Comment on any defect in either specimen or caps (Max 250 Characters): Specimen 5 not included in average due to break out of range of other specimens.
Age of specimen: 8 days
Certified By: Mike Mullins
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 |
---|---|---|---|---|---|
1 | 2.99 | 7.02 | 186531 | 26571.4 | 1 |
2 | 2.99 | 7.02 | 189252 | 26959.0 | 1 |
3 | 2.99 | 7.02 | 187148 | 26659.3 | 1 |
4 | 2.98 | 6.97 | 179845 | 25802.7 | 1 |
5 | 2.98 | 6.97 | 185564 | 26623.2 | 1 |
DIME Test ID: 2021-01-15-4-4
Number of specimens: 5
Compressive strength (to nearest 10 psi): 26520
Comment on any defect in either specimen or caps (Max 250 Characters):
Age of specimen: 28 days
Certified By: Phillip Montes
Test ID: 2021-01-15-4-1: Specimen #1 should be excluded from average due to testing error. Actual calculated average: 17273
*Subject to final inspection by the Resident Engineer. |
TL- Report of Laboratory Testing