Cement and concrete mineral admixtures /
Main Author: | |
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Format: | Book |
Language: | English |
Published: |
Boca Raton :
CRC Press, Taylor & Francis Group,
[2016]
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Subjects: |
Table of Contents:
- Machine generated contents note: 1.Admixtures and additions
- 1.1.General
- 1.2.Mineral admixtures
- 2.Natural pozzolans
- 2.1.General
- 2.2.Chemical composition
- 2.3.Mineralogical composition
- 2.4.Fineness
- 3.Fly ashes
- 3.1.General
- 3.2.Mineralogical composition
- 3.3.Chemical composition and classification
- 3.3.1.Classifications according to SiO2, Al2O3, CaO and SO3 contents
- 3.3.2.Classifications according to CaO content
- 3.4.Fineness, particle size distribution and particle morphology
- 3.5.Density
- 3.6.Radioactivity
- 4.Blast furnace slag
- 4.1.General
- 4.2.Mineralogical composition
- 4.3.Chemical composition
- 4.4.Fineness
- 5.Silica fume
- 5.1.General
- 5.2.Chemical composition
- 5.3.Mineralogical composition
- 5.4.Fineness and particle morphology
- 6.Limestone powder
- 6.1.General
- 6.2.Chemical composition
- 6.3.Mineralogical composition
- 6.4.Fineness and particle size distribution
- 7.Other mineral admixtures
- 7.1.Calcined soils
- 7.1.1.Clays
- 7.1.2.Other soils
- 7.2.Rice husk ash
- 7.3.Other industrial and agricultural wastes as possible mineral admixtures
- 7.3.1.Waste glass
- 7.3.2.Brick and tile rejects
- 7.3.3.Stone wastes
- 7.3.4.Municipal solid waste ash
- 7.3.5.Agricultural wastes
- 8.Effects of mineral admixtures on hydration of Portland cement
- 8.1.General about PCs
- 8.2.PC Hydration
- 8.2.1.Hydration of tricalcium silicate
- 8.2.2.Hydration of dicalcium silicate
- 8.2.3.Hydration of tricalcium aluminate
- 8.2.4.Hydration of ferrite phase
- 8.2.5.Hydration of PC
- 8.3.Influence of mineral admixtures on hydration
- 8.3.1.Physical influence
- 8.3.2.Chemical influence
- 8.3.2.1.Pozzolanic reactions
- 8.3.2.2.Latent hydraulic reactions
- 9.Effects of mineral admixtures on the workability of fresh concrete
- 9.1.General about concrete workability
- 9.1.1.Basic principles of rheology related with fresh concrete
- 9.1.2.Various methods for measuring concrete workability
- 9.2.Changes in concrete workability upon mineral admixture incorporation
- 9.2.1.Water demand
- 9.2.1.1.Effect of natural pozzolans
- 9.2.1.2.Effect of fly ashes
- 9.2.1.3.Effect of GGBFS
- 9.2.1.4.Effect of SF
- 9.2.1.5.Effect of limestone powder
- 9.2.2.Different workability test results
- 9.2.3.Consistency and cohesiveness
- 9.2.4.Segregation and bleeding
- 9.2.5.Slump loss
- 9.3.Changes in setting time upon mineral admixture incorporation
- 9.4.Effects of mineral admixture incorporation on air content of fresh concrete
- 9.5.Effect of mineral admixtures on early heat of hydration
- 10.Effects of mineral admixtures on the properties of hardened concrete
- 10.1.Strength
- 10.1.1.Basics of strength of concrete
- 10.1.2.Factors affecting the strength of concrete
- 10.1.2.1.Strengths of the component phases
- 10.1.2.2.Curing conditions
- 10.1.2.3.Specimen parameters
- 10.1.2.4.Loading parameters
- 10.1.3.Influence of mineral admixtures on concrete strength
- 10.1.3.1.Strength development
- 10.1.3.2.Effect of curing temperature
- 10.1.3.3.Changes in matrix porosity and ITZ
- 10.2.Modulus of elasticity
- 10.3.Shrinkage
- 10.4.Creep
- 11.Effects of mineral admixtures on durability of concrete
- 11.1.Freezing and thawing
- 11.1.1.The frost attack mechanism
- 11.1.1.1.Hydraulic pressure theory
- 11.1.1.2.Osmotic pressure theory
- 11.1.1.3.Litvan's theory
- 11.1.2.Influence of air-entrainment on freeze--thaw resistance
- 11.1.3.Influence of mineral admixtures on freeze--thaw resistance
- 11.1.4.Influence of mineral admixtures on deicer salt scaling
- 11.2.Sulphate attack
- 11.2.1.Action of sulphates on portland cement concrete
- 11.2.1.1.Thaumasite formation
- 11.2.1.2.Delayed ettringite formation
- 11.2.2.Influence of mineral admixtures on sulphate attack
- 11.3.Sea water attack
- 11.4.Carbonatation
- 11.5.Reinforcement corrosion
- 11.6.Alkali--aggregate reactivity
- 11.7.Permeability of concrete
- 12.Proportioning mineral admixture-incorporated concretes
- 12.1.Principles of concrete mix proportioning
- 12.2.Mix proportioning concrete with mineral admixtures
- 12.2.1.Simple partial replacement of PC
- 12.2.2.Partial replacement and addition
- 12.3.Water--cement and water--cementitious ratio and efficiency factor concepts
- 12.3.1.Water--cementitious ratio
- 12.3.2.Efficiency factor
- 13.International standards on mineral admixtures in cement and concrete
- 13.1.Overview of the cement standards
- 13.1.1.Requirements for mineral admixtures in EN 197-1
- 13.1.2.Requirements for mineral admixtures in ASTM C 595
- 13.1.3.Comparison of chemical and physical requirements for blended cements in EN 197-1 and ASTM C 595
- 13.1.4.ASTM C 1157
- 13.2.Overview of standards on mineral admixtures in concrete
- 14.Use of mineral admixtures in special concretes
- 14.1.Lightweight concrete
- 14.2.High-strength concrete
- 14.3.Controlled low-strength materials
- 14.4.Self-consolidating concrete
- 14.5.Fibre-reinforced concrete
- 14.6.Reactive powder concrete
- 14.7.Mass concrete
- 14.8.Roller compacted concrete
- 15.Mineral admixtures as primary components of special cements
- 15.1.Sustainability and cement
- 15.1.1.Resource efficiency
- 15.1.2.Energy efficiency
- 15.1.3.Carbon sequestration and reuse
- 15.1.4.Product efficiency and downstream measures
- 15.2.Low-energy, low-CO2 cements with mineral admixtures
- 15.2.1.Mineral admixtures as clinker substitutes
- 15.2.2.Mineral admixtures as raw materials for low-energy cements
- 15.2.2.1.Belitic cements
- 15.2.2.2.Alinite cements
- 15.2.2.3.SAB cements
- 15.2.2.4.Alkali-activated binders.