Subject Code:
CE6L308 		Name: Infrastructure Maintenance and Rehabilitation L-T-P: 3-0-0 Credit: 3
Pre-requisite(s): None
Quality assurance for concrete construction as built concrete properties strength, permeability, thermal properties and cracking. Influence on servicebility 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; Maintenance and repair strategies:– Definitions: Maintenance, repair and rehabilitation, Facets of Maintenance importance of Maintenance, Preventive measures on various aspects Inspection, Assessment procedure for evaluating a damaged structure, causes of deterioration , testing techniques; Materials:-Materials for Repair – Special Mortar and Concretes, Concrete Chemicals, Special Cements and High Grade Concrete, Expansive Cement, Polymer Concrete, Sulphur Infiltrated Concrete, Ferro Cement, Fiber Reinforced Concrete, and Admixtures of latest origin. Techniques for Repair- Surface Repair – Material Selection – Surface Preparation - Rust Eliminators and Polymers Coating For Rebar During Repair – Repair Of Cracks In Concrete and Masonry-Methods of Repair - Epoxy Injection, Mortar Repair For Cracks - Guniting and Shotcreting - Waterproofing Of Concrete Roofs; Strengthening Measures - Flexural Strengthening, Beam Shear Capacity Strengthening, Column Strengthening, Shoring, Under Pinning and Jacketing. Demolition of Buildings – Introduction, Planning, Precautions and protective measures in demolition work, Sequence of operations, demolition of structural elements.
Text/Reference Books:
  1. Campbell-Allen, D. and Roper, H., Concrete Structures, Materials, Maintenance and Repair, Longman Scientific and Technical, UK
  2. Allen, R.T and Edwards, S.C, Repair of Concrete Structures, Blakie and Sons, UK
  3. Santhakumar A.R., Concrete Technology, Oxford University Press
  4. Dayaratnam, P. and Rao, R., Maintenance and Durability of Concrete Structures, University Press, India
  5. CPWD, Handbook on Repairs and Rehabilitation of RCC Buildings.