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ReferencesReferences
Design and Control of Design and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008)
Fundamentals of Concrete, CD062 PCA 2007CD062, PCA 2007
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Up to 8% AirUp to 8% Air
7-15% Cement
60-75% Aggregates(Coarse and Fine)(Coarse and Fine)
14-21% Water
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Types of ConcreteTypes of Concreteypyp Bookcrete
Labcrete
R l t Realcrete
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Quality ConcreteQuality Concrete A mixture of CEMENT, WATER, and AGGREGATES
that will meet the requirements under which it isthat will meet the requirements under which it is expected to serve.
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Fresh Concrete PropertiesFresh Concrete Properties
Consistency
Workability
Uniformity Uniformity
Bleeding
Setting & HardeningHardening
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Hardened Concrete PropertiesHardened Concrete Properties
Drying Rate
h Strength
Durability
Permeability & Watertightness
b Abrasion Resistance
Volume Stability & C k C t lCrack Control
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ESSENTIALSESSENTIALS of Quality Concreteof Quality Concrete
1.1. Suitable MaterialsSuitable Materials
2.2. Proper Proportioning, Mixing, Proper Proportioning, Mixing, and Transportingand Transporting
3.3. Proper Placing & ConsolidationProper Placing & Consolidation
4.4. Proper Finishing & JointingProper Finishing & Jointing
5.5. Proper Curing Proper Curing
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Avoiding ProblemsAvoiding Problemsgg Design- Constructibility
Mix Design
Materials Selection
Placement Procedures
EnvironmentDesignDesign
Workmanship Environment
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DesignDesign--ConstructibilityConstructibilitygg yy Reinforcement location
Tolerances
Joints
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Mix DesignMix Designgg
Materials Materials
w/cm
Slump Slump
Strength
Durability Durability
Aesthetics
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Materials SelectionMaterials Selection
Cement
Supplementary Cementing Materials
Water
Aggregatesgg g
Admixtures
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PlacementPlacement
Transportation Transportation
Placement
Consolidation Consolidation
Finishing
C i Curing
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EnvironmentEnvironment
Hot & Cold Placement Hot & Cold Placement
Freeze-Thaw Cycles
Chemical Chemical
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SummarySummary
Desired Properties of Concrete:Desired Properties of Concrete: Consistency
Workability
Drying Rate
Strength Workability
Uniformity
l d
Durability
Permeability & Bleeding
Setting &
yWatertightness
Volume Stability & Hardening
yCrack Control
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