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UNIT 1
Cement : Constituents of cement and their role, composition of cement
(Bogue’s equation) hydration of cement, structure of hydrated cement, heat
of hydration, tests of cement as per IS code. Classification, properties,
grading and fineness modulus, tests on aggregate as per IS code.
Concrete : Grade of concrete, proportioning of ingredients, water
content and its quality for concrete, water/cement ratio and its role,
gel/pace ratio, concrete mix deign (ACI, IS method), quality control for
concrete. Properties of fresh concrete including workability, air content,
flow ability, methods to determine and factors affecting. Properties of
hardened concrete such as strengths, permeability, creep, shrinkage,
factors influencing, standard tests on fresh and hardened concrete as per
IS code. Aggregate cement interface, maturity concept.
UNIT 2
Concrete Handling in Field : Interaction to mixing & batching methods,
placing, transportation and Compaction methods, curing methods and
compounds.
Admixture in concrete : Chemical and mineral admixtures, their
types, use of water reduces, accelerator, retarders, water-proofing
plasticizers and super plasticizers, use of fly ash and silica fume in
concrete, their properties, effect and production of high strength
concrete, properties of high strength concrete & application.
UNIT 3
Form work : Requirements, Indian standard on form work, loads on form
work, type & method to provide centering and shuttering for Columns,
beams, slabs, walls and staircase, slip and moving formwork.
Site Preparation and temporary Structures: Sequence of construction
activity and co-ordination, site clearance, marking, foundation plan,
earthwork in dry and loose soil, different methods and their suitability,
dewatering, construction of temporary shed, typesof shoring, methods of
underpinning and types of scaffolding.
Damp Proofing: Causes of dampness, effects of dampness methods and
material for damp proofing DPC treatment in buildings, methods and
materials for anti termite treatment.
UNIT 4
Joints : Requirements, types and material used, construction details.
Arches and Lintels : Terms used, types of arches and their
construction detail, types of lintels and constructions.
Stairs : Terms used, requirements of good staircase,
classification, construction details and suitability of different types of
stairs, lifts and lamps.
Construction System : Prefabricated construction, advantages &
disadvantage of prefabrication. Precast R.C. plank flooring/roofing, Thin
R.C. ribbed slab for floors & roofs, thin precast RCC lintels in
brickwalls, Modular co-ordination, Multi storied building frames, Concrete
skeleton system, lift slab system, cast one house system, L-shaped panel
system.
UNIT 5
Ground & Upper floors : Floor components and their junctions,
selection of flooring cnad floor types, construction details of ground and
upper floors, merits and demerits.
Roof and Roof Covering : Purposes, classification of roofs, terms
used, types of pitched roofs, trussed roofs specially king port, queen
port, steel roof trusses, details of steel roof trusses, method of
construction, roof covering materials for pitched roofs.
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