CONCRETE STRENGTH TESTING CHECKLIST

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--- PRE-TESTING PREPARATION ---
[ ] Date of Preparation Check
[ ] Time of Preparation Check
[ ] Ambient Temperature (Â°C)
[ ] Humidity (%)
[ ] Testing Standard Used (ASTM C39, ASTM C469, EN 12390-3, Other (Specify))
[ ] Project Name
[ ] Concrete Mix Design No.
[ ] Equipment Ready? (Yes, No)

--- SAMPLE EXTRACTION & HANDLING ---
[ ] Pour Identification Number/Tag
[ ] Location of Sample Extraction (e.g., Slab #, Column C-3)
[ ] Number of Cylinders Extracted
[ ] Sample Extraction Method (e.g., Scoop, Trowel) (Scoop, Trowel, Other (Specify))
[ ] Notes on Sample Extraction Conditions (e.g., moisture, temperature, slump)
[ ] Date of Sample Extraction
[ ] Time of Sample Extraction
[ ] Name/Initials of Person Extracting Samples

--- CYLINDER PREPARATION & STORAGE ---
[ ] Number of Cylinders Cast
[ ] Mold Type Used (e.g., Standard, Slim) (Standard, Slim, Other (Specify))
[ ] Specifics regarding other mold type (if applicable)
[ ] Concrete Slump (inches)
[ ] Compaction Factor
[ ] Date of Casting
[ ] Notes on Cylinder Preparation (e.g., visual defects, air pockets)
[ ] Curing Conditions (Water Curing, Controlled Temperature, Ambient Conditions)
[ ] Curing Temperature (Â°C)

--- TESTING EQUIPMENT CALIBRATION & VERIFICATION ---
[ ] Last Calibration Date for Compression Machine
[ ] Compression Machine Capacity (kN/lbs)
[ ] Machine Load Increment (kN/lbs)
[ ] Calibration Weight Serial Number(s)
[ ] Calibration Standard Used (Certified Weight Set, Pressure Standard, Other (Specify in LONG_TEXT))
[ ] If 'Other' selected above, specify calibration standard:
[ ] Load Cell Verification Passed? (Yes, No)
[ ] If Load Cell Verification Failed, describe the issue and corrective action taken:
[ ] Verification Load Applied (kN/lbs)

--- TESTING PROCEDURE EXECUTION ---
[ ] Cylinder Load at Failure (lbs or kN)
[ ] Maximum Load Achieved (lbs or kN)
[ ] Cylinder Diameter (inches or mm)
[ ] Cylinder Height (inches or mm)
[ ] Strain at Failure (microstrain)
[ ] Loading Rate (0.25 in/min, 0.5 in/min, 1.0 in/min, Other - Specify, Specified by Standard)
[ ] Observations during Testing (e.g., cracking patterns, failure mode)
[ ] Direction of Test (if applicable) (Parallel to Reinforcement, Perpendicular to Reinforcement, Not Applicable)

--- DATA RECORDING & ANALYSIS ---
[ ] Cylinder Diameter (inches)
[ ] Cylinder Height (inches)
[ ] Maximum Test Load (lbs)
[ ] Breaking Load (lbs)
[ ] Calculated Compressive Strength (psi)
[ ] Average Compressive Strength (psi) - for multiple tests
[ ] Test Method Used (e.g., ASTM C496, ASTM C39) (ASTM C39, ASTM C496, Other (Specify in Long Text))
[ ] Notes / Observations (e.g., failure pattern, unusual conditions)

--- DOCUMENTATION & REPORTING ---
[ ] Test Number/ID
[ ] Date of Test
[ ] Time of Test
[ ] Project Name
[ ] Concrete Mix Design
[ ] Observations during testing (e.g., cracking, appearance)
[ ] 28-Day Strength (psi/MPa)
[ ] Compliance with Specification? (Yes, No, N/A)
[ ] Attach Test Certificates/Photos
[ ] Tester Signature

--- QUALITY CONTROL & NON-CONFORMANCE ---
[ ] Number of Discarded Cylinders (if any)
[ ] Reason for Cylinder Discard (if applicable)
[ ] Observed Anomalies (e.g., cracking, air pockets) (None, Cracking, Air Pockets, Surface Defects, Other (specify in Long Text))
[ ] Description of Observed Anomalies (if selected above)
[ ] Test Result within Specification Limits? (Yes, No, N/A)
[ ] Explanation of Non-Conformance (if result outside limits)
[ ] Corrective Actions Taken (Re-test Sample, Adjust Mix Design, Investigate Curing Practices, Other (specify in Long Text))
[ ] Details of Corrective Actions (if selected above)
[ ] Date of Corrective Action
[ ] Signature of Person Verifying Non-Conformance

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