ACI Field Testing Technician Grade I – Certification Course
ACI Field Testing Technician Grade I – Certification Course
A field-first training path for beginners who need to understand concrete testing, jobsite documentation, performance-exam sequence, and the real CMT career ladder.
26 upgraded ACI lessons
Each lesson now includes a field hook, procedure workflow, equipment, numbers table, mistakes, scenario, study tip, flashcards, and practice questions.
Each lesson now includes a field hook, procedure workflow, equipment, numbers table, mistakes, scenario, study tip, flashcards, and practice questions.
Built for jobsite judgment
The course teaches what to do when results fail, contractors push back, or the report may become legal evidence.
The course teaches what to do when results fail, contractors push back, or the report may become legal evidence.
Exam readiness
Lessons prepare students for both written knowledge and performance-evaluation behavior.
Lessons prepare students for both written knowledge and performance-evaluation behavior.
Career path
ACI is the first credential. The academy continues into NICET, ICC, NDT, CWI, API, and higher-value inspector tracks.
ACI is the first credential. The academy continues into NICET, ICC, NDT, CWI, API, and higher-value inspector tracks.
What You Will Learn
- What CMT technicians do and how field reports protect a project.
- How to read mix designs, project specifications, batch tickets, and report requirements.
- ASTM C172 sampling concepts and ASTM C143 slump testing workflow.
- ASTM C231/C173 air content testing, aggregate correction factor, and interpretation.
- ASTM C138 unit weight, yield, relative yield, and trend recognition.
- ASTM C1064 concrete temperature testing and hot/cold weather risk.
- ASTM C31 cylinder making, initial curing, chain of custody, and low-break thinking.
- ACI exam structure, score targets, performance-evaluation strategy, and final review.
Important: CMT Academy uses original training language and plain-English explanations. Students should pair this course with current official ACI/ASTM materials before any official certification exam.
Course Content
1.1 What CMT Technicians Do
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1.2 How to Read a Mix Design
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1.3 Understanding Project Specifications
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2.1 Equipment and Setup
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2.2 Step-by-Step Procedure
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2.3 Acceptable Tolerances and Common Failures
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3.1 Equipment – Type A and Type B Meters
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3.2 Pressure Method Procedure
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3.3 Aggregate Correction Factor
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4.1 Equipment and Container Calibration
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4.2 Rodding vs Vibration
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4.3 Yield Calculation Formula
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5.1 Thermometer Requirements
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5.2 Immersion Depth and Timing
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5.3 Temperature Limits by Season
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