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DI05006011 · Semester 5 · 5G scheme

Design of Reinforced Concrete Structures

Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI05006011. Independent material — not issued by the university.

Civil Engineering

Materials

Syllabus

The official syllabus this material follows.

  • Syllabus

    8 pages

    FreeRead

Complete Book

The whole syllabus, unit by unit, written for the exam.

Syllabus units

Unit 1: Fundamentals of R.C.C. Design
  • 1.1 Reinforced Cement Concrete, necessity of steel in concrete, normal location of steel in beams, slabs, column & footing.
  • 1.2 Limit State, Limit State of Collapse-Flexure, Shear, Compression, Torsion, Limit State of Serviceability-deflection and Cracking.
  • 1.3 Characteristic Strength of concrete and steel, partial safety factor of concrete and steel and partial safety factors for loads.
  • 1.4 Nominal Cover, Effective depth, Effective span.
Unit 2: Singly Reinforced Beam
  • 2.1 Types of beams: Singly reinforced beam, Doubly reinforced beam, T-beam, L-beam. Difference among various beams.
  • 2.2 Stress-strain diagram for singly RC section. Under reinforced, over reinforced and balanced section.
  • 2.3 Analysis of Singly RC beam: Determination of lever arm, total tension, total compression, percentage area of reinforcement and Moment of resistance. Numerical based on this.
  • 2.4 Design and detailing of Singly RC beam: Determine the size of section, area and number of reinforcement bars. Combination of different diameters of reinforcement bars. Check for spacing and cover. Numerical based on this with check for serviceability
Unit 3: Doubly Reinforced Beam
  • 3.1 Requirements and conditions for providing doubly reinforced sections.
  • 3.2 Stress diagram for doubly reinforced beam. Stress in compression reinforcement (fsc) in doubly reinforced beams for different values of d'/d ratio.
  • 3.3 Analysis and design of doubly reinforced section using IS:456-2000 method, SP:16 table method and SP: 16 chart method.
  • 3.4 Numerical of Moment of resistance and Area of steel (tension and compression) for doubly reinforced beam.
Unit 4: T-Beam
  • 4.1 Concept of flanged beam-T-beam & L-beam. Requirement and advantage of T-beam. Effective width of flange.
  • 4.2 Moment of Resistance for T-Beam for conditions, (i) Neutral axis lies in flange [Xu< Df] (ii) Neutral axis lies in web [Xu>Df] Stress strain diagram of T- beam. Numerical based on this
  • 4.3 Numerical to find Limiting Moment of Resistance of Tee Beam using IS:456-2000 and SP-16.
Unit 5: Shear and Development Length
  • 5.1 Shear: Definition of shear, IS code specifications, single legged and two-legged shear reinforcement.
  • 5.2 Vertical stirrups, Incline stirrups, benefit of bent up of main tension reinforcement. Spacing of stirrups. Numerical based on the same.
  • 5.3 Effect of shear in slabs. IS code provision.
  • 5.4 Development Length: Definition of development length, IS provision for determination of development length for tension and compression zone. Numerical based on the same.
Unit 6: Slabs
  • 6.1 Types of slabs, One way simply supported slab. Two-way slab and One-way continuous slab.
  • 6.2 IS provision for main reinforcement, distribution reinforcement, minimum and maximum steel area, effective span, effective depth, effective cover.
  • 6.3 Depth of Slab from deflection criteria, Dead Load, Live Load and Floor finish load on Slab. Bending moment due to loads.
  • 6.4 Design and detailing of one way simply supported and cantilever slabs. Check limit state of serviceability. Numerical based on this.
  • 6.5 Design and detailing of two way simply supported slab (only corners not held down condition). Check the limit state of serviceability. Numerical based on this.
Unit 7: Axially Loaded Short Column and Isolated Footing
  • 7.1 Column : Types of columns, Long Column, Short column, Axially loaded column, uniaxially loaded column and biaxially loaded column.
  • 7.2 Limit state of collapse: Compression, assumptions, effective length, slenderness ratio, minimum eccentricity. IS provision for reinforcement in column, lateral reinforcement as tie only (No Helical Reinforcement)
  • 7.3 Load analysis of axially loaded short columns.
  • 7.4 Design of axially loaded short columns. Check for minimum eccentricity.
  • 7.5 Footing : Types of isolated footing, pad and sloped footing. IS specification for reinforcement in footing.
  • 7.6 Design of isolated pad/slopped footing. Check for bending, one way shear and two-way shear, check for development length in footing. Numerical based on this with reinforcement details.

About this course

Most Civil engineering structures are primarily constructed using structural steel sections or Reinforced Cement Concrete (R.C.C.). In the fourth semester, the subject Design of Steel Structures provides students with the fundamental principles of steel design. The subject Design of Reinforced Concrete Structures focuses on the analysis and design of R.C.C. components such as slabs, beams, columns, and footings using the Limit State Method in accordance with IS 456:2000. Upon completion of this course, diploma students will develop a comprehensive understanding of the structural behaviour, analysis, and design principles of R.C.C. members. They will be equipped with the necessary technical knowledge, analytical competence, and practical design skills required to undertake structural design tasks effectively in the construction and infrastructure industry.