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CE-803 (C) · Retrofitting and Rehabilitation of Structures/Official Syllabus

Retrofitting and Rehabilitation of Structures (CE-803 (C)) - Official Syllabus

1
Unit 1

Introduction and Definition for Repair, Retrofitting, Strengthening and rehabilitation

  • Introduction and Definition for Repair, Retrofitting, Strengthening and rehabilitation
  • Physical and Chemical Causes of deterioration of concrete structures
  • Evaluation of structural damages to the concrete structural elements due to earthquake
  • Durability of concrete: Factors affecting durability of concrete
  • Corrosion of reinforcements in concrete
  • Carbonation
  • Chloride ingress
  • Alkali-silica reaction
  • Freeze-thaw effects
  • Chemical attack
  • Abrasion, erosion and cavitation
  • Weathering and efflorescence
2
Unit 2

Damage Assessment

  • Purpose of assessment
  • Rapid assessment
  • Investigation of damage
  • Evaluation of surface and structural cracks
  • Damage assessment procedure
  • destructive, non-destructive and semi destructive testing systems
3
Unit 3

Influence on Serviceability and Durability

  • Effects due to climate, temperature, chemicals, wear and erosion
  • Design and construction errors
  • corrosion mechanism
  • Effects of cover thickness and cracking
  • methods of corrosion protection
  • corrosion inhibitors
  • corrosion resistant steels
  • coatings
  • cathodic protection
4
Unit 4

Maintenance and Retrofitting Techniques

  • Definitions: Maintenance, Facts of Maintenance and importance of Maintenance
  • Need for retrofitting
  • retrofitting of structural members i.e., column and beams by Jacketing technique
  • Externally bonding(ERB) technique
  • near surface mounted (NSM) technique
  • External post-tensioning
  • Section enlargement
  • guidelines for seismic rehabilitation of existing building
5
Unit 5

Materials for Repair and Retrofitting

  • Artificial fibre reinforced polymer like CFRP, GFRP, AFRP
  • natural fiber like Sisal and Jute
  • Adhesive like, Epoxy Resin
  • Special concretes and mortars, concrete chemicals, special elements for accelerated strength gain
  • Techniques for Repair: Rust eliminators and polymers coating for rebar during repair
  • foamed concrete, mortar and dry pack, vacuum concrete
  • Gunite and Shot Crete
  • Epoxy injection
  • Mortar repair for cracks
  • shoring and underpinning

Reference Books

  • Properties of Concrete
  • Materials for construction - Lai, James, S.
  • Structural Condition Assessment - Robert T. Ratay
  • Deterioration, Maintenance and Repair of Structures - Sidney, M. Johnson
  • Concrete Structures e28093 Materials, Maintenance and Repair - Denison Campbell, Allen & Harold Roper
  • Repair of Concrete Structures - R.T.Allen and S.C. Edwards
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