CE-803 (C) RGPV B.Tech
Retrofitting and Rehabilitation of Structures (RRS)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
2 papers, latest Nov 2023
Syllabus, notes and important questions for CE-803 (C)
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Introduction and Definition for Repair, Retrofitting, Strengthening and Rehabilitation 12 topics
- Physical causes of deterioration of concrete structures
- Chemical causes of deterioration of concrete structures
- Evaluation of structural damages to concrete elements due to earthquake
- Durability of concrete – factors affecting durability
- Corrosion of reinforcement in concrete
- Carbonation of concrete
- Chloride ingress
- Alkali–silica reaction
- Freeze‑thaw effects
- Chemical attack on concrete
- Abrasion, erosion and cavitation
- Weathering and efflorescence
Unit 2 Damage Assessment 9 topics
- Purpose of damage assessment
- Rapid assessment techniques
- Investigation of damage
- Evaluation of surface cracks
- Evaluation of structural cracks
- Damage assessment procedures
- Destructive testing methods
- Non‑destructive testing methods
- Semi‑destructive testing methods
Unit 3 Influence on Serviceability and Durability 10 topics
- Effects of climate, temperature and chemicals on serviceability
- Wear and erosion effects
- Design and construction errors
- Corrosion mechanisms in reinforced concrete
- Effect of cover thickness and cracking on durability
- Methods of corrosion protection
- Corrosion inhibitors
- Corrosion‑resistant steels
- Protective coatings
- Cathodic protection
Unit 4 Maintenance and Retrofitting Techniques 9 topics
- Definition and importance of maintenance
- Facts of maintenance
- Need for retrofitting
- Jacketing technique for columns and beams
- Externally bonded reinforcement (EBR) technique
- Near‑surface mounted (NSM) technique
- External post‑tensioning
- Section enlargement
- Guidelines for seismic rehabilitation of existing buildings
Unit 5 Materials for Repair and Retrofitting 14 topics
- Artificial fibre‑reinforced polymers – CFRP, GFRP, AFRP
- Natural fibres – sisal, jute
- Adhesives – epoxy resin
- Special concretes and mortars
- Concrete chemicals
- Special elements for accelerated strength gain
- Rust eliminators and polymer coatings for rebars
- Foamed concrete
- Mortar and dry‑pack repair
- Vacuum‑concrete technique
- Gunite and shotcrete
- Epoxy injection for crack repair
- Mortar repair for cracks
- Shoring and underpinning methods