Скачать или смотреть || Introduction to Concrete Technology || 3rd Semester Civil Engineering || SBTE Bihar Polytechnic |

|| Introduction to Concrete Technology ||
|| 3rd Semester Civil Engineering || SBTE Bihar Polytechnic ||
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|| Chapter ||
Unit-01 Cement
Unit-02 Aggregates
Unit-03 Concrete
Unit-04 Concrete mix design and testing of Concrete
Unit-05 Quality control of concrete
Unit-06 Chemical Admixture, Special concrete and Extreme weather concreting
































































































































Physical Properties of OPC- fineness, standard consistency, setting time, compressive strength & soundness.
Testing of cement - fineness test, consistency test, setting time test, compressive strength test & soundness test, Storage of Cement and its effects on the properties of cement.
Types of Cements and their properties as per IS Specifications and their field
applications- Ordinary Portland Cement (33, 43 and 53 grades), Portland Pozzolana Cement, Rapid Hardening Cement, Low Heat Cement, High Alumina Cement, Sulphate Resisting Cement, White Cement.

Aggregates: Source, Requirements of good aggregate, Classification according to size and shape.
Fine aggregates: Properties, size, specific gravity, bulk density, water
absorption and bulking, fineness modulus and grading zone of sand,
Coarse aggregates: Properties, size, shape, surface texture, water absorption, soundness, specific gravity and bulk density, fineness modulus of coarse aggregate, grading of coarse aggregates, crushing value, impact value and abrasion value of coarse aggregates with specifications.
Definition of concrete, different grades of concrete (ordinary concrete, standard concrete & high strength concrete as per provisions of IS 456- 2000), minimum grade of concrete for different exposure conditions, minimum grade of concrete for R.C.C., water retaining structure & in sea water construction, durability of concrete.
Water Cement ratio, Duff Abraham water cement (w/c) ratio law, significance of w/c ratio, selection of w/c ratio for different grades, maximum w/c ratio for different grades of concrete for different exposure conditions as per IS 456.
Properties of fresh concrete: - Workability, Factors affecting workability of concrete, Determination of workability of concrete by slump cone, compaction factor, Vee-Bee Consistometer. Value of workability requirement for different types of concrete works. Segregation, bleeding and preventive measures.
Properties of hardened concrete: - Compressive strength, durability, impermeability.
Concrete mix design, objectives, methods of mix design, study of mix design procedure by IS method as per IS 10262, (only procedural steps).
Testing of hardened concrete: Significance of testing, determination of compressive strength of concrete cubes at different ages, interpretation & co relation of test results.
Non- Destructive Tests of concrete: Importance of NDT, Methods of NDT – Rebound hammer test, Ultrasonic pulse velocity test, working principle of rebound hammer and factor affecting the rebound index.
Concreting Operations: Batching, Mixing, Transportation, Placing, Compaction, Curing and finishing of concrete.
Forms for concreting: Different types of form works for beams, slabs, columns, materials used for form work, requirement of good form work. Stripping time for removal of form works per IS 456
Waterproofing: Importance and need of waterproofing, methods of waterproofing and materials used for waterproofing.
Joints in concrete construction: Types of joints, methods for joining old and new concrete, materials used for filling joints.
Admixtures in concrete: Purpose, properties and application of different types of admixtures such as accelerating admixtures, retarding admixtures, water reducing admixtures,




























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