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ACI 211.7R 2020

ACI 211.7R 2020

$31.96

ACI 211.7R-20: Guide for Proportioning Concrete Mixtures with Ground Calcium Carbonate and Other Mineral Fillers

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ACI 2020 20
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The use of ground calcium carbonate (GCC) and other mineral fillers can enhance the performance, economy, and sustainability of concrete mixtures. Modifications to the conventional proportioning method in ACI 211.1 are needed to incorporate these materials. This guide describes GCC and dust-of-fracture aggregate mineral fillers, including their properties, characterization, and qualification, and effects on concrete properties and sustainability. Recommendations are provided for proportioning concrete mixtures with these materials.

PDF Catalog

PDF Pages PDF Title
3 Title Page
4 CHAPTER 1—INTRODUCTION
5 CHAPTER 2—DEFINITIONS
CHAPTER 3—CONSTITUENT MATERIALS
3.1—Introduction
3.2—Ground calcium carbonate
3.3—Dust-of-fracture aggregate mineral filler
CHAPTER 4—GROUND CALCIUM CARBONATE AND AGGREGATE MINERAL FILLER CHARACTERIZATION AND QUALIFICATION
4.1—Introduction
4.2—Morphology (shape, angularity, and texture)
6 4.3—Mineralogy
7 4.4—Particle size and particle size distribution
4.5—Deleterious materials
8 4.6—Relative density (specific gravity)
CHAPTER 5—EFFECTS ON CONCRETE PROPERTIES
5.1—Rheology and workability
5.2—Placement and finishing characteristics
9 5.3—Strength
5.4—Setting time
5.5—Durability
11 CHAPTER 6—PROPORTIONING METHODS
6.1—Basic relationships
12 6.2—Modified ACI 211.1 method for ground calcium carbonate
6.3—Modified ACI 211.1 method for dust-of-fracture aggregate mineral fillers
14 CHAPTER 7—SAMPLE COMPUTATIONS
7.1—Wet aggregate mineral filler in manufactured sand
15 7.2—Dry aggregate mineral filler
16 7.3—Adjustment of trial batches
CHAPTER 8—SUSTAINABILITY
8.1—Ground calcium carbonate
8.2—Dust-of-fracture aggregate mineral fillers
CHAPTER 9—REFERENCES
17 Authored documents

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