Civil Engineering - Shridhar University

BT CE803 Concrete technology 3 1 0 3
PURPOSE
To get exposed to behavioural aspects in concrete making and special concretes.
INSTRUCTIONAL OBJECTIVES
• To develop systematic knowledge of concrete constituents
• To familiarize with the fundamentals of concrete
• Principles involved for high performance concrete
• To understand the basic concepts of special concretes
• To introduce fundamentals of concreting methods
CONCRETE MAKING MATERIALS
Introduction to concrete technology­ materials used for making concrete. Cement­ types of cement ­ chemical
composition of cement­hydration of cement­testing on cement: fineness­setting time­soundness­strength Aggregate:
classification of aggregate according to the formation, size and shape­properties of aggregate: physical properties ­
specific gravity­bulk density­porosity and absorption­moisture content­bulking of sandmechanical properties ­
strength­crushing value­abrasion value­impact value. Sieve analysis­fineness modulusgrading curve­methods of
combining aggregates­grading requirements as per IS Specifications. Water ­ quality of water­chemical admixtures ­
superplasticisers ­ different types.
PROPERTIES OF CONCRETE
Fresh concrete properties­ hardened concrete properties­ elastic properties­creep and shrinkage­ durability
properties­factors affecting fresh and concrete properties. Test on fresh concrete: workability ­ density­air content.
Test on hardened concrete properties: compressive strength­ modulus of rupture­modulus of elasticitypermeability
­test on permeability­ RCPT­ half cell­ construction and measurement­ determination of PH of concretephenolphthalein
test­ water absorption. Non­destructive testing of concrete.
MIX DESIGN
Principles of mix design ­ grades of concrete­strength requirements of concrete­ordinary and controlled concrete­
methods of proportioning­ trail mixes­example on the design of mixes using BS method ­ BIS method­quality
control.
SPECIAL CONCRETE
Introduction­ types of special concrete ­ Properties, application and materials used for special concretes­mix design­:
Light Weight Concrete (LWC) ­ High Strength Concrete (HSC) ­ High Performance Concrete (HPC) ­ Special
considerations for curing­ Fibre Reinforced Concrete (FRC) ­ Polymer Concrete (PC) ­Ferro­Cement (FC) . Ready
Mixed Concrete (RMC).
CONCRETING OPERATIONS