DCS (B-TECH Civil Engineering 4th)

SECTION-A

Unit-I: Elementary treatment of concrete technology: Physical requirements of

cement, aggregate, admixture and reinforcement, Strength and durability, shrinkage

and creep. Design of concrete mixes, Acceptability criterion, I.S. Specifications.

Unit-II: Design Philosophies in Reinforced Concrete: Working stress and limit state

methods, Limit state v/s working stress method, Building code, Normal distribution

curve, characteristic strength and characteristics loads, design values, Partial safety

factors and factored loads, stress -strain relationship for concrete and steel.

SECTION-B

Unit-III: Working Stress Method: Basic assumptions, permissible stresses in concrete

and steel, design of singly and doubly reinforced rectangular and flanged beams in

flexure, steel beam theory, inverted flanged beams, design examples.

Unit-IV: Limit State Method: Basic assumptions, Analysis and design of singly and

doubly reinforced rectangular flanged beams, minimum and maximum

reinforcement requirement, design examples.

Unit-V: Analysis and Design of Sections in shear, bond and torsion -Diagonal tension,

shear reinforcement, development length, Anchorage and flexural bond, Torsional,

stiffness, equivalent shear, Torsional reinforcement, Design examples.

SECTION-C

Unit-VI: Concrete Reinforcement and Detailing-Requirements of good detailing,

cover to reinforcement, spacing of reinforcement, reinforcement splicing, Anchoring

reinforcing bars in flexure and shear, curtailment of reinforcement.

Unit-VII: Serviceability Limit State -Control of deflection, cracking, slenderness and

vibrations, deflection and moment relationship for limiting values of span to depth,

limit state of crack width, Design examples.

Unit-VIII: One way and Two Ways Slabs-General considerations, Design of one way

and two ways slabs for distributed and concentrated loads, Non-rectangular slabs,

openings in slabs, Design Examples

SECTION-D

Unit-IX: Columns and Footings-Effective length, Minimum eccentricity, short

columns under axial compression, Uniaxial and biaxial bending, slender columns,

Isolated and wall footings, Design examples.

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Unit-X: Retaining Walls-Classification, Forces on retaining walls, design criteria,

stability requirements, Proportioning of cantilever retaining walls, counterfort

retaining walls, criteria for design of counterforts, design examples.