Repair and Rehabilitation of Structures: Maintenance and Repairs Strategies

Maintenance, repair and rehabilitation, Facets of Maintenance, importance of Maintenance Various aspects of Inspection, Assessment procedure for evaluating a damaged structure, Causes of deterioration

 Maintenance

 Maintenance Engineering is defined as the work done to keep the civil Engineering structures and work in conditions so as to enable them to carry out the functions for which they are constructed.

 It is preventive in nature. Activities include inspection and works, necessary to fulfill the intended function, or to sustain original standard of service.

Scope of maintenance

·         Petty repairs, replacements and structural repairs of buildings, white and color washing, distempering and painting at prescribed intervals

·         Repair and renewal of furniture

·         Operation, periodical maintenance, repairs renewals of machinery and equipment for electric etc

·         Repair of roads,culvets and resurfacing the roads

 1.Facts of Maintenance

Aims of Maintenance work classified as

·         The avoidance of accidents, which may harm people or plant

·         The continued operation of a facility

·         The protection of the capital investment in the asset

 2.Maintenance work is classified as

·         Preventive maintenance

·         Remedial maintenance

·         Routine maintenance

·         Special maintenance

 Maintenance work is classified as

 The maintenance work done before the defects occurred in the structure is called preventive structure

Remedial maintenance

 It is the maintenance done after the defects in the structure. It involves the following basic steps.

·         Finding the deterioration

·         Determining the clause

·         Evaluating the strength of the existing structures

·         Evaluating the need of the structures

·         Selecting and implanting the repair procedure

Routine maintenance

 It is the service maintenance attended to the structure periodically. It is depends upon specifications and materials of structure, purpose, intensity and condition of use.

Special maintenance

 It is the work done under special condition and requires sanction and performed to rectify heavy damage.