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Types of Building Repair and Maintenance Services

Building repairs and maintenance services mainly includes works undertaken for maintaining proper condition of buildings, its services and works in ordinary use. The use for which buildings are designed is the main factor in determining the required standard of maintenance.Excessive ...

Grouting Procedure for Repair of Cracks in Concrete Structures

Grouting is a method of filling up and repair of cracks in concrete. Step by step grouting procedure needs to be followed for effective repair of concrete cracks. Grouting Procedure for Repair of Cracks in Concrete Structures: Procedure of grouting for repair of concrete ...

Cathodic Protection of Reinforced Concrete Structures

Cathodic Protection of Reinforced Concrete Structures In reinforced concrete, a passive oxide film is created around the reinforcing steel by the alkaline Portland cement, which protects the steel from corrosion. This oxide film is weakened or destroyed when aggressive ions, like ...

Methods of Concrete Column Repair for Damages and Cracks

Repair of Concrete Columns for Cracks and Damages Before starting the repair of a concrete column, the axial dead load, axial live load, horizontal load and its associated moments must be known.Repairs to concrete columns can be divided into two categories. ...

CHLORIDE EXTRACTION FROM REINFORCING STEEL IN CONCRETE

Chloride Extraction from Reinforcing Steel Chloride extraction is another method of preventing future corrosion of steel. Electrochemical chloride extraction (ECE) is a treatment process where chloride ions are removed from chloride-contaminated concrete through ion migration. Unlike a cathodic protection system, there ...

MATERIALS FOR REPAIR OF CONCRETE STRUCTURES

The range of materials for repair of concrete structures to be effectively durable is fairly limited. The materials most widely used are concrete and mortar, which are made as far as practicable with the same type of cement and aggregates ...

Maintenance of Concrete Structures for Durability of RCC Members

Maintenance of Concrete Structures for Durability of RCC Members Modern concrete is a very durable construction material and, if properly proportioned and placed, will give very long service under normal conditions.Many concrete structures, however, were constructed using early concrete technology, and ...