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Sem 7 - CONCRETE TECHNOLOGY (SELECTIVE – I)


Module 1
Concrete materials: cement manufacture – chemical composition hydration – types of cement- tests for cement – setting and hardening – Aggregates – Classification – requirements – size – shape – texture – Tests for aggregates – Alkali aggregate reaction – grading of aggregate – sieve analysis – Flakiness index – Elongation Index Impact value-abrasion value -Water – general requirements – quality of water.
Module 2
Fresh Concrete: Workability – factors affecting – measurement of workability – different tests for workability – segregation – bleeding – process of manufacture of concrete – Batching – mixing – transportation – compaction – curing of concrete – curing methods – admixtures in concrete – air entraining agents – Accelerators – Retarders -workability agents – Damp proofing agents – Miscellaneous admixtures – quality control.
Module 3
Elastic properties of Concrete – factors affecting modulus of elasticity – Strength of concrete: w/c ratio – gel/space ratio – Gain of strength with age. – accelerated curing tests – maturity concept of concrete – effect of maximum size of aggregate on strength – relation between compressive and tensile strength – revibration – high speed slurry mixing – creep – shrinkage – factors affecting.
Module 4
Durability of concrete: – sulphate attack – methods of controlling sulphate attack. Durability of concrete in sea water – action of organic acids, mineral oils, sugar etc. on hard concrete – thermal properties of concrete – Fire resistance cracks in concrete–Remedies, Testing of Hardened concrete, flexural strength – comparison of cuube test and cylinder test – Indirect tension test methods -concrete mix design – IS methods – ACI methods – mean strength – characteristic compressive strength – Non distructive testing of concrete.
Module 5
Special aggregates: light weight – artificial – natural – special concrete – no – fine concrete- high density concrete – Sulphur infilterated concrete – fibre reinforced concrete – polymer concrete polymer impregnated concrete – polymer cement concrete – properties of polymer concrete – special concreting methods – cold Weather concreting, hot weather concreting – Ferrocement.
References
Krishna Raju N, Concrete Technology
A.M. Neville, Properties of concrete
3. M.S. Shetty, Concrete Technology
mg university b.tech s7 civil syllabus