1. EARTHQUAKE RESISTANT DESIGN An Over View of the Subject

2. Subject Code: 07A70104(Elective-I)
Year : IV B.Tech
Semester : I Semester
Number of Units: 8
Number of Hours /Week: 5

3. Why to study ERD
In the past 3 centuries over 3 million people have died
due to earthquakes and earthquake related disasters.
The economic losses estimated for the period are in excess of US$10 billion.
2/3 of the earths crust is seismically active, which means hat about 1,000,000,000 people are living in areas of the world that are prone to earthquakes.
The Object of Reinforced Concrete design is to achieve a structure that will result in a safe and economical solution.

4. Prerequisites to study ERD
The concepts and principles studied in
Engineering Mechanics
Structural Analysis
Design of Reinforced Concrete structures
Structural Dynamics

6. Usefulness of ERD for a Civil Engineering Student
Basic principles of designing R.C.C. shall be helpful for students in designing, supervising and executing construction activities effectively
Hence, it becomes essential for every civil Engineer to know the procedure and concepts for designing all components of Reinforced cement concrete.

7. Objectives The student shall be able to
Understand basic principles of R.C.C.design.
Use IS code 456:2000, IS:875 (II) etc.
Design of diff. R.C.C. components e.g. slab/beam/column/footing etc.
Draw reinforcement details for above component members.
Read and interpret structural drawings.

8. For a given structural system, the design problem consists of
Idealization of structure for Analysis
Estimation of loads
Analysis of idealized structural model to determine axial thrust, shears, bending moments, and deflections.
Design of Structural elements, and
Detailed structural drawings and schedule of reinforcing bars.

9. Contents of Unit-I Description of topic No. of Hrs.
Introduction to Materials 1
Constituents of Concrete
Grades of Concrete
Recommendation of IS:
Elastic Theory
Design Constants
Singly Reinforced Rectangular Beam Beam 2
Tutorial on singly reinforced beams

10. Contents of Unit-II Description of topic No. of Hrs.
Introduction to limit state design 1
Basic statistical principles
Characteristic strength, characteristic load, partial safety factors
Stress – strain curves for steel , concrete
Assumptions in limit state design, Derivation of stress block parameters for Rectangular section 2

11. Contents of Unit-III Description of topic No. of Hrs.
Limit state of collapse:flexure:Singly reinforced rectangular beams, Design equations. 2
Problems on finding MR and design of singly reinforced beams using limit state method
Tutorial on singly reinforced beams 1
Doubly reinforced beams : Introduction , Design equations.
Problems on doubly reinforced beams
Tutorial on doubly reinforced beams
Flanged ( T , L ) beams : Introduction , Design equations.
Problems on flanged ( T, L ) beams
Tutorial on flanged ( T , L ) beams

12. Contents of Unit-IV Description of topic No. of Hrs.
Shear : Introduction, Modes of shear failure 1
Problems on shear reinforcement design for beams 2
Tutorial on shear
Bond : Introduction, anchorage &development length
Problems on bond
Torsion : Introduction , Types of torsion
Problems on torsion
Beams subjected to torsion,BM and SF

13. Description of topic No. of Hrs.
Contents of Unit-V
Description of topic
No. of Hrs.
Columns : Introduction, classification 1
Design of columns subjected to only axial loads 2
Design of columns subjected to uni-axial bending
Design of columns subjected to bi-axial bending
Braced and un-braced columns
IS Code provisions,Tutorial on column design

14. Contents of Unit-VI Description of topic No. of Hrs.
Footings : introduction , types , codal provisions 1
Design of isolated square footings 2
Design of isolated rectangular footings
Design of isolated circular footings
Tutorial on footings

15. Contents of Unit-VII
Description of topic
No. of Hrs.
Slabs : Introduction , Types , Codal provisions 1
Design of one-way simply supported slabs
Design of one-way continuous slabs 2
Tutorial on one-way slabs
Design of two-way simply supported slabs
Design of two-way restrained slabs
Tutorial on two-way slabs

16. Contents of Unit-VII
Description of topic
No. of Hrs.
Limit state of deflection : Introduction 1
Problems on limit state of deflection 2
Limit state of cracking : Introduction
Problems on limit state of cracking
Tutorial on limit state of serviceability

17. I.S.Codes Required
(i) I.S : Code of practice for plain and reinforced concrete . (ii) I.S : Designs loads other than (part I toV) earthquake for building Design.
Part-I : Dead loads . Part-II : Imposed loads .
( i) SP-16 : Design Aids to I.S. : (ii) SP- 34 : Detailing in R.C.C. structures .