All Materials regarding to B.tech R-20 in Civil Engineering in 2nd Year 2nd Semester with unit wise for Every Subjects are available.
👇👇Scroll Down for Important Questions and Topics Unit Wise 👇👇
| Civil 2-2 EE | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
Civil 2-2 EE Important Topics
Unit - I
(Stones, Bricks, Tiles, Wood and Paints)
Stones: Classification of Stones – Properties of stones in structural requirements
Bricks: Composition of good brick earth, Various methods of manufacturing of bricks
Tiles: Characteristics of good tile – Manufacturing methods, Types of tiles
Wood: Structure – Properties – Seasoning of timber – Classification of various types of woods used
in buildings – Defects in timber
Paints: White washing and distempering, Constituents of paint – Types of paints – Painting of new
and old wood – Varnish
Unit – II
(Aggregates, Cement and Admixtures)
Aggregates: Classification of aggregate, Bond, Strength and other mechanical properties of
aggregate, Physical properties 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 and coarse aggregates as per relevant IS code, Maximum
aggregate size
Portland Cement: Chemical composition, Hydration, Structure of hydrated cement – Setting of
cement, Fineness of cement, Tests for physical properties – Different grades of cements
Supplementary cementitious materials: Fly ash, GGBS, Silica fume, Rice husk ash, Calcinated ash
(Basic properties and their contribution to concrete strength)
Admixtures: Mineral and Chemical admixtures
Unit - III
(Fresh Concrete)
Manufacture of concrete – Mixing and vibration of concrete, Workability – Segregation and bleeding
– Factors affecting workability, Measurement of workability by different tests, Effect of time and
temperature on workability – Quality of mixing water, Ready mix concrete, Shotcrete
Unit - IV
(Hardened Concrete)
Water / Cement ratio – Abram’s law, Gel space ratio, Nature of strength of concrete – Maturity
concept, Strength in tension and compression – Properties of Hardened Concrete (Elasticity, Creep,
Shrinkage, Poisson’s ratio, Water absorption, Permeability, etc.), Relating between compression and
tensile strength, Curing
Unit - V
(Testing of Hardened Concrete)
Factors affecting properties of Hardened concrete, Compression tests, Tension tests, Flexure tests,
Non-destructive testing methods – Codal provisions for NDT – Rebound hammer and UPV method
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