ST4073 - Repair and Rehabilitation of Structures (Syllabus) 2021-regulation Anna University

ST4073 - Repair and Rehabilitation of Structures (Syllabus) 2021-regulation Anna University

ST4073	MAINTENANCE, REPAIR AND REHABILITATION OF STRUCTURES	LTPC

3003

OBJECTIVE:

• To study the damages, repair and rehabilitation of structures

We're excited to announce the launch of our new website! Visit NameWheelSpinner.com to explore its features and benefits.

UNIT I	MAINTENANCE AND REPAIR STRATEGIES	9

Maintenance, Repair and Rehabilitation, retrofit and strengthening, need for rehabilitation of structures Facets of Maintenance, importance of Maintenance, routine and preventive maintenance, causes of deterioration. Non-destructive Testing Techniques

UNIT II	STRENGTH AND DURABILITY OF CONCRETE	9

Quality assurance for concrete based on Strength and Durability - Thermal properties, microstructure of concrete – packing density- Cracks, different types, causes – Effects due to climate, temperature, Sustained elevated temperature, Corrosion

UNIT III	REPAIR MATERIALS AND SPECIAL CONCRETES	9

Repair materials-Various repair materials, Criteria for material selection, Methodology of selection, Health and safety precautions for handling and applications of repair materials, Special mortars and concretes- Polymer Concrete and Mortar, Quick setting compounds, Grouting materials-Gas forming grouts, Sulfoalumate grouts, Polymer grouts, Acrylate and Urethane grouts, Bonding agents-Latex emulsions, Epoxy bonding agents, Protective coatings-Protective coatings for Concrete and Steel, FRP sheets

UNIT IV	PROTECTION METHODS AND STRUCTURAL HEALTH MONITORING	9

Concrete protection methods – reinforcement protection methods- self regulating anode - Corrosion protection techniques – Corrosion inhibitors, concrete coatings-Corrosion resistant steels, Coatings to reinforcement, cathodic protection, Structural health monitoring.

UNIT V	REPAIR, REHABILITATION AND RETROFITTING OF STRUCTURES	9

Various methods of crack repair, Grouting, Routing and sealing, Stitching, Dry packing, Autogenous healing, Overlays, Repair to active cracks, Repair to dormant cracks. Corrosion of embedded steel in concrete, Mechanism, Stages of corrosion damage, Repair of various corrosion damaged of structural elements (slab, beam and columns) Jacketing, Column jacketing, Beam jacketing, Beam Column joint jacketing, Reinforced concrete jacketing, Steel jacketing, FRP jacketing, Strengthening, Beam shear strengthening, Flexural strengthening

TOTAL : 45 PERIODS

OUTCOMES: On completion of the course, the student is expected to be able to

CO1 Explain the importance of maintenance assessment of distressed structures
CO2 Apply the knowledge on Quality assurance for concrete based on Strength and Durability
CO3 Identify various repair materials and advancements in concrete
CO4 Explain the knowledge on Concrete protection methods Structural health monitoring
CO5 Select Various strengthening and repair methods for different cases

REFERENCES:

1. Dodge Woodson, Concrete Structures, Protection, Repair and Rehabilitation, Butterworth- Heinemann,Elsevier,New Delhi 2012
2. DovKominetzky.M.S., - Design and Construction Failures, Galgotia Publications Pvt.Ltd., 2001
3. Ravishankar.K., Krishnamoorthy.T.S, Structural Health Monitoring, Repair and Rehabilitation of Concrete Structures, Allied Publishers, 2004.
4. Hand book on Seismic Retrofit of Buildings, CPWD and Indian Buildings Congress, Narosa Publishers, 2008.
5. Hand Book on “Repair and Rehabilitation of RCC Buildings” – Director General works CPWD ,Govt of India , New Delhi – 2002
6. BS EN 1504 - Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity