Concrete Strength Testing Technician
Definition
Concrete Strength Testing Technician is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of four basic laboratory procedures related to the determination of concrete compressive and flexural strength.
Scope and Knowledge
This program requires demonstration of the knowledge and hands-on skills covered in the Job Task Analysis (JTA) for ACI Certification of Concrete Strength Testing Technician.
The JTA is a detailed list of specific points of knowledge and skills that may be included in the examinations for this ACI Certification program. ACI urges candidates to use the JTA to prepare for the certification exams.
The program requires a working knowledge of the following ASTM practices and test methods:
- ASTM C617/C617M – 15 – Capping Cylindrical Concrete Specimens
- ASTM C1231/C1231M – 15 – Unbonded Caps for Concrete Cylinders
- ASTM C39/C39M – 18 – Compressive Strength of Cylindrical Concrete Specimens
- ASTM C78/C78M – 18 – Flexural Strength of Concrete
Certification Requirements
ACI will grant certification only to those applicants who meet both of the following requirements:
- Obtain a passing grade on the ACI written examination, AND
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Successfully complete the ACI performance examination.
Written Examination
- Duration: One hour
- Type: Closed-book
- Format: Approximately 40 multiple-choice questions
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Content: At least eight questions on each of the required practices and test methods
Passing Criteria:
- Score at least 60% for each required practice and test method, AND
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Achieve a minimum overall score of 70%.
Performance Examination
- Type: Closed-book
- Requirement: Candidates must successfully demonstrate all required practices and test methods.
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The examinee is judged on their ability to correctly perform all required steps for each procedure.
Certification Validity & Recertification
Certification is valid for a period of five years from the date of successfully completing all requirements.
Recertification requires successful completion of both the written and performance examinations.
