STATE OF CALIFORNIA - CALIFORNIA STATE TRANSPORTATION AGENCY

Gavin Newsom, Governor


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

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Contract # 030H3424 Cty SAC Rte 99 PM 22.6

Vendor #


REPORT OF LABORATORY TESTING

Resident Engineer:

Howard Giang

Date Reported:

08/08/2021

Address:

TL Number:

007

City:

Project Name: REPLACE BRIDGE DECK WITH PRESTRESSED CONCRETE BOX GIRDER.

Prime Contractor: BRIDGEWAY CIVIL CONSTRUCTORS, INC.

Sample Taken Date:

06/13/2021

Mix Design:

Unknown

Contractor: Unknown

Location: SACRAMENTO COUNTY IN SACRAMENTO AT 21ST AVENUE UNDERCROSSING

Structure unique identifier:

Structure name: 21st Avenue UC

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

SpecimenAverage 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
13.027.169746613612.61
23.027.1610293514376.41
33.037.219612313331.91
43.037.2110518414588.61
53.037.2110458614505.71

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

SpecimenAverage 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
13.007.0716814823783.31
23.007.0717220624357.31
33.007.0716855823841.31
43.007.07174954247461

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



Summary of Items Observed and Conversations:

Comments: This report is for the purpose of reporting test results.
Should you require recommendations concerning repairs or remedial efforts please contact the METS representative,
who represents the Materials Engineering and Testing Services for your project.

*Subject to final inspection by the Resident Engineer.




TL- Report of Laboratory Testing