Subject Code:55001 L:3 T/P/D:1 Credits:3 Int. Marks:25 Ext. Marks:75 Total Marks:100
UNIT I: CEMENT:
Portland cement- chemical composition^Hydration, Setting of cement - Structure of hydrate cement - Test on physical properties -Different grades of cement.
UNIT II: ADMIXTURES:
Types of admixtures - mineral and chemical admixtures -properties - dosages - effects - usage.
UNIT III: AGGREGATES:
Classification of aggregate - Particle shape & texture -Bond, strength & other mechanical properties of aggregate - Specific gravity, Bulk density, porosity, adsorption & moisture content of aggregate - Bulking of sand - Deleterious substance in aggregate - Soundness of aggregate -Alkali aggregate reaction - Thermal properties - Sieve analysis - Fineness modulus - Grading curves - Grading of fine & coarse Aggregates - Gap graded aggregate — Maximum aggregate size.
UNIT IV: FRESH CONCRETE:
Workability - Factors affecting workability -Measurement of workability by different tests - Setting times of concrete -Effect of time and temperature on workability - Segregation & bleeding -Mixing and vibration of concrete - Steps in manufacture of concrete -Quality of mixing water.
UNIT V: HARDENED CONCRETE:
Water / Cement ratio - Abram's Law - Gelspaoe ratio - Nature of strength of concrete - Maturity concept - Strength in tension & compression - Factors affecting strejngth - Relation between compression & tensile strength - Curing.
UNIT VI: TESTING OF HARDENED CONCRETE:
Compression tests - Tensioft.tgsts - Factors affecting strength - Flexure tests - Splitting tests - Pull-odt rest, Non-destructive testing methods - codal provisions for NDT.
ELASTICITY, CREEP & SHRINKAGE - Modulus of elasticity - Dynamic modulus of elasticity - Posisson's ratio - Creep of concrete - Factors influencing creep - Relation between creep & time - Nature of creep -Effects of creep - Shrinkage - types of shrinkage.
UNIT VII: MIX DESIGN :
Factors in the choice of mix proportions - Durability of concrete - Quality Control of concrete - Statistical methods - Acceptance criteria -Proportioning of concrete mixes by various methods - BIS method of mix design.
UNIT VIII: SPECIAL CONCRETES:
Light weight aggregates - Light weight aggregate concrete - Cellular concrete - No-fipes concrete - High density concrete -Fibre reinforced concrete - Polymer concrete - Types of Polymer concrete - High performance concrete - Self compacting concrete.
TEXT BOOKS:
1. Properties of Concrete by A.M.Neville - Low priced Edition - 4th edition
2. Concrete Technology by M.S.Shetty. - S.Chand & Co.; 2004