'Concrete Technology' is a course offered in B. Tech. in Civil Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.
Unit 1
Materials: cement - different types - chemical composition and physical properties - tests on cement - I.S. specifications - aggregates - classification - mechanical properties and tests as per I.S. - alkali aggregate reaction - grading requirements - heavy weight - light weight - normal weight - aggregate - sampling of aggregate - water - quality of water - admixtures - accelerators - retarders - water reducing agents – super plasticizers- use of silica fumes.
Properties of fresh concrete - workability - factors affecting workability - tests for workability - segregation and bleeding.
Unit 2
Properties of hardened concrete - factors affecting strength of concrete - strength of concrete in compression, tension and flexure - stress- strain characteristics and elastic properties - shrinkage and creep - durability of concrete - permeability - chemical attack - sulphate attack - resistance to abrasion and cavitation - resistance to freezing and thawing - resistance to fire - marine atmosphere - quality control - frequency of sampling - test specimens - statistical analysis of test results - standard deviation - acceptance criteria.
Manufacture of concrete - measurement of materials - storage and handling - batching plant and equipment - mixing - types of mixers - transportation of concrete - pumping of concrete - placing of concrete - under water concreting - compaction of concrete - curing of concrete - ready mix concrete.
Unit 3
Mix proportioning - nominal mixes - design mixes - factors influencing mix design - A.C.I method - I.S method - design for high strength mixes. Special concretes - lightweight concrete - high density concrete - vacuum concrete - shotcrete - Fibre reinforced concrete - polymer concrete - ferrocement - high performance concrete - self compacting concrete.
Introduction to Non-destructive test methods.
TEXTBOOKS
- Neville. A. M. and Brooks. J. J., “Concrete Technology”, Pearson Education, 2004
- Santha Kumar, A. R., “Concrete Technology”, Oxford University Press, 2006.
REFERENCE BOOKS
- Mehta, P. K. And Monteiro, P. J. M., “Concrete - Microstructure, Properties and Materials”, Tata McGraw Hill Edition, 2006.
- Shetty, M. S, “Concrete Technology -Theory and Practice”, S. Chand & Co., New Delhi, 2009.
- A. M. Neville, “Properties of Concrete”, Pearson Education, 2008.
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