CE1019 – REPAIR AND REHABILITATION OF STRUCTURES
L T P C
3 0 0 3
UNIT I CONCRETE - INFLUENCE ON SERVICEBILITY AND
Quality assurance for concrete construction as built concrete properties strength
permeability – Thermal properties and cracking – 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.
UNIT II MAINTENANCE AND REPAIR STRATEGIES 9
Definitions – Maintenance, repair and rehabilitation – Facets of maintenance importance
of maintenance preventive measures on various aspects inspection – Assessment
procedure for evaluating damaged structure causes of deterioration – Testing techniques.
UNIT III MATERIALS FOR REPAIR 9
Special concretes and mortar – Concrete chemicals – Special elements for accelerated
strength gain – Expansive cement – Polymer concrete, sulphur infiltrated concrete, ferro
cement – Fibre reinforced concrete.
UNIT IV TECHNIQUES FOR REPAIR 9
Rust eliminators and polymers coating for rebars during repair foamed concrete – Mortar
and dry pack – Vacuum concrete – Gunite and shotcrete Epoxy injection – Mortar repair
for cracks – Shoring and underpinning.
UNIT V EXAMPLES OF REPAIR TO STRUCTURES - DEMOLITION 9
Repairs to overcome low member strength – Deflection – Cracking – Chemical disruption
– weathering wear – Fire, leakage – Marine exposure – Engineered demolition techniques
for dilapilated structures – Case studies.
1. Denison Campbell, Allen and Harold Roper, “Concrete Structures”, Materials,
Maintenance and Repair Longman Scientific and Technical, 1991.
2. Allen, R.T. and Edwards, S.C., “Repair of Concrete Structures”, Blakie and Sons,
1. Shetty, M.S., “Concrete Technology - Theory and Practice”, S.Chand and
2. Raikar, R.N., “Learning from failures - Deficiencies in Design”, Construction and
Service - R and D Centre (SDCPL), Raikar Bhavan, 1987.
Powered by Blogger.