4CE2                CONCRETE & CONSTRUCTION TECHNOLOGY                                    L-3

UNIT 1

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, types of 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/precast 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 and 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.