Durable Concrete, Cement, Aggregate and Mix Design

🟩 কোর্সের ধরন ➡ লাইভ কোর্সের রেকর্ডেড (ভিডিও)
▶️ ভিডিওর সংখ্যা ➡ ৪২টি
🕓 ভিডিওর দৈর্ঘ্য ➡ ৮ঘন্টা
🔓 কোর্সের মেয়াদ ➡ কোর্সটি কেনার পর থেকে ২ বছর পর্যন্ত দেখতে পারবেন (যতবার ইচ্ছা)

🎯কোর্সটি কাদের জন্য

BSc, MSc, or PhD in Civil Engineering

Level 4 or 4th-year student of bachelor’s in civil engineering

✅কোর্সটি থেকে যা যা শিখবেন

• Binding materials
• Binding Materials: Cement, Lime, Fly Ash, Slag
• Manufacture of Portland Cement
• Chemistry of Cement
• Fly Ash and Pozzolans
• Effect of fly ash in concrete: Workability, Bleeding, Segregation, Setting time, Heat of hydration, Early age strength, Long term strength, Permeability, Chloride resistance, Sulfate resistance, Resistance to carbonation
• Available Cement Types: BDS EN 197-1:2003, CEM I, CEM II/A-M (S-V-L), CEM II/B-M (S-V-L).
• Blast Furnace Slag / Steel Slag, Effect of slag in concrete
• Aggregates
• Granular materiel: sand, gravel, crushed stone (stone chips), crushed brick(chips), blast furnace slag, shingles
• Calculation: Fineness Modulus, Gradation, Combined grading
• Harmful materials in aggregate: Organic materials, Silt, clay and other fine particles, Salt
• Specific gravity and density of aggregate
• Absorption Capacity and Moisture Content
• Examples
• Limitations of brick chips
• Topics of aggregate for road pavement
• Concrete as Construction Material
• What is Concrete?
• What are the requirements for a successful concrete structure?
• How strong can concrete be and How long can concrete last?
• Concrete Mix Ratio
• Properties of Fresh Concrete
• Workability
• Effect of grading of aggregate
• Slump Test
• Stress Concentration
• w/c ratio, degree of compaction, strength and workability are related. How?
• Effect of aging
• Admixtures
• Curing of Concrete
• Maturity Rule of Concrete
• Durability of concrete
• Hydration and porosity of concrete
• Testing of Concrete: Effect of platen restraint, Failure Modes, Merits and Demerits of Cylinder and Cube Test, Non-destructive test of concrete (NDT), Calibration of rebound hammer, Quality Control of Concrete by Testing.
• Examples
• Concrete mix design
• Mean compressive strength?
• Quality Control of Concrete by Testing
• Mix Design as per ACI 211.1-91
• Maximum permissible water-cement ratio
• Recommended slump for various types of construction
• Mix Design Example: Properties of fine aggregate, coarse aggregate, cement and water reducing admixture
• ACI recommendation: w/c ratio, Dry rodded bulk volume, density of fresh concrete, mixing water content, Properties of aggregates,
• Mix Design Steps: Selection of slump value, Selection of maximum size of coarse aggregate, Estimation of mixing water content and air content, Selection of w/c ratio, Calculation of cement content and admixture, Estimation of coarse aggregate content, Calculation of fine aggregate content, Adjustment and First Lab Trial Mix, Revision of mix proportion based on First Lab Trial Mix result, Final trial mix to confirm strength and slump, Adjustment for casting in site, Conversion to volumetric ratio.
• Climate Resilient Concrete
• Defining Climate Resilient Concrete
• Concrete for coastal shore protection
• Enemy of RCC
• Durability of Concrete
• Durability issues: Permeability, Chloride attack, Sulfate attack, Rebar corrosion, Carbonation, Acid attack, Effect of sea water, Cracking of concrete, Clear cover, Rebar corrosion, Alkali silica reaction (CC+RCC), Chloride attack, Salt weathering, Curing, Brick chips
• Effect of w/c ratio on cement paste
• Permeability of concrete
• High strength vs normal strength concrete
• Sulphate Exposure Limits
• Cracking of concrete and durability
• How brick chips destroying environment
• Climate Resilient Concrete Manual for Volumetric Batching
• Challenges of making climate resilient concrete
• Defining parameter marks
• Defining exposure class
• Best Practices for Clear cover
• Variations depend on exposure classes: w/c ratio and compressive strength, Concrete, Mix ratio.
• Assumed Properties of Ingredients
• How to maintain volumetric mix ratio

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