RCCDD (Diploma Civil Engineering 5th)

1. Introduction to R.C.C Designing using Limit State Method (4 hrs)

1.1 Concept of Reinforced Cement Concrete (RCC)

1.2 Reinforcement Materials:

- Suitability of Steel as reinforcing material

- Properties of mild steel and HYSD steel

1.3 Loading on structure as per I.S 875.

1.4 Study of BIS:456-2000- clause5, clause 6, clause 9,clause 18,clause 19, clause 22,

clause 23.0 , ,23.2, 23.3, Clause 25, clause 26 clause 35,clause 36,clause 37, clause

38, clause 39 , clause 40 , clause 41, clause 42, clause,43,

Annexure –B,C,D,E,G,

2. Shear, Bond and Development Length (LSM) (4 hrs)

2.1 Nominal Shear stress in R.C. Section, Design shear strength of concrete, Maximum shear

stress, Design of shear reinforcement, Minimum shear reinforcement, Forms of shear

reinforcement.

2.2 Bond and types of bond, Bond Stress, check for bond stress, Development length in

tension and compression, anchorage value for hooks 90° bend and 45° bend Standard

Lapping of bars, Check for development length.

2.3 Simple numerical problems on deciding whether shear reinforcement are required or not,

check for adequacy of the section in shear. Design of shear reinforcement; Minimum

shear reinforcement in beams;

2.4 Determination of development length required for tension reinforcement of cantilevers

beam and slab, check for development length.

3. Analysis and Design of Singly Reinforced Sections (LSM) (10 hrs)

3.1 Limit State of collapse (Flexure), Assumptions stress. Strain relationship for concrete and

steel neutral axis, Stress block diagram and Strain diagram for singly reinforced section.

3.2 Concept of under- reinforced, over-reinforced and balanced section, neutral axis coefficient,

limiting value of moment of resistance and limiting percentage of steel required

for balanced singly R.C. Section.

3.3 Simple numerical problems on determining design constants, moment of resistance and

area of steel.

3.4 Design of Singly reinforced simply supported beam and cantilever beam.

4. Analysis and Design of Doubly Reinforced Sections (LSM) (6hrs)

4.1 General features, necessity of providing doubly reinforced section reinforcement

limitations.

8

4.2 Analysis of doubly reinforced section, strain diagram stress diagram, depth of neutral axis,

moment of resistance of the section.

4.3 Numerical problems on finding moment of resistance

4.4 Design of beam sections.

5. Design of Slab (LSM) (8hrs)

5.1 Analysis & Design of simply supported one-way slab.

6. Two Way Slab (LSM) (6hrs)

6.1 Design of two-way simply supported slab with corners free & no provision for torsion

reinforcement.

7.Design of Axially Loaded Column (LSM) (10hrs)

7.1 Assumptions in limit state of collapse – compression

7.2 Definition and classification of columns, effective length of column. Specification for

minimum reinforcement; cover, maximum reinforcement, number of bars in rectangular,

square and circular sections, diameter and spacing of lateral ties.

7.3 Analysis and Design of axially loaded short, square, rectangular and circular columns with

lateral ties only; check for short column and check for minimum eccentricity may be

applied.

8. Design of stair case (LSM) (8hrs)

8.1 Live load on stair as per IS875:1987

8.2 Effective span of stair

8.3 Design of Stair slab spanning longitudinally

8.4 Design of stair slab spanning horizontally