ACI Concrete Mix Design: Calculating Ingredient Volumes & Weights

Master the ACI method for calculating concrete mix ingredients! In this step-by-step tutorial, we break down the American Concrete Institute (ACI 211.1) standard for determining the exact volumes and weights of cement, water, sand, and gravel needed for a high-quality concrete mix.

Struggling with the Absolute Volume Method? Confused about moisture adjustments? This guide is for you. We'll take you from the initial design parameters to the final batch weights, ensuring you can confidently perform these calculations for your projects, labs, or exams.

📋 IN THIS VIDEO, YOU WILL LEARN:

00:00 - Introduction: The Importance of Accurate Proportions

01:15 - Key Inputs: Slump, Strength, Aggregate Size & Air Content

03:40 - Using ACI Tables to Find Water & Air Content

05:50 - Selecting the Right Water-Cementitious Materials Ratio (w/cm)

07:25 - Calculating the Weight of Cement

09:10 - Estimating the Volume of Coarse Aggregate

11:45 - The Absolute Volume Method: Finding Fine Aggregate Weight

16:30 - The Crucial Step: Moisture Adjustments for Wet Aggregates

20:15 - Final Summary: From Calculated Weights to Batch Quantities

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🔧 THIS TUTORIAL IS PERFECT FOR:

Civil Engineering Students

FE & PE Exam Candidates (especially Construction Depth)

Concrete Lab Technicians & Field Inspectors

Site Engineers, Supervisors, and Project Managers

Anyone preparing for ACI or NICET certifications

💡 KEY TERMS COVERED:

Absolute Volume Method, Water-Cement Ratio, SSD (Saturated Surface-Dry) Condition, Moisture Content, Yield, Entrained Air, Workability, Coarse Aggregate, Fine Aggregate, ACI 211.1, Concrete Batching.

⚠️ DISCLAIMER:

This video is for educational purposes. Always refer to the latest ACI 211.1 standard and your project specifications for official design work.

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