WITH EFFECT FROM THE ACADEMIC YEAR 2013- 2014
CE 405
CONCRETE TECHNOLOGY
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
UNIT-I
Review of materials of Concrete
Properties of fresh concrete: Mixing and batching. Workability, factors effecting workability, Measurement of workability, various tests-Segregation and bleeding. Vibration of concrete. Types of vibrators and their influence on composition.
Properties of Hardened concrete: Maturity concept Strength of concrete- factors effecting strength. Short terms and long term properties of concrete-Tests - Relationship between various mechanical strengths of concrete. Curing of concrete. Methods of curing. Stress-Strain curves for concrete.
UNIT-II
Mix design of concrete: Basic consideration. Process of mix design.Factors in the choice of mix proportions and their influence.Quality control. Various methods of mix design. I.S. Code method.British and ACI methods.
UNIT-III
Admixtures used in concrete: Classification of admixtures. Chemical and mineral admixtures. Influence of various admixtures on properties of concrete. Applications.Concept of ready mixed concrete.Fly ash concrete
– properties and proportion of fly ash, applications.Durability of concrete.
UNIT-IV
High Strength and High Performance concrete-High strength concrete. Light weight concrete and High density concrete - specialties and applications.
Recycled aggregate concrete – Concept, properties and applications.
UNIT-V
Fibre Reinforced Concrete: Need for Fibre reinforced concrete (FRC), Mechanism of FRC, types of fibres, Fibreshotcrete . Ferro cement
Self Compacting Concrete- Design Principles, Properties and applications Quality Conctrol aspects of Concrete
Suggested Reading:
- 1.Neville a.M., Properties of Concrete, English Language Book Society, Longman Publications, 1998.
- 2.Mehta P.K., and Paulo J.M.M., Concrete - Microstructure – Properties and Material, Mc.Graw Hill Publishers, 1997.
- 3.Krishnaraju N., Design of Concrete Mix, CBS Publishers, 1985.
- 4.Gambhir M.L, Concrete Technology.