Besides being of compatible properties, repair materials for cement, concrete/mortar shall also be easy to apply and require no attention after the repair has been applied. Required Properties of Concrete Repair Materials The essential parameters for deciding upon a repair ...
Concrete Cracks
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STAGES OF FRACTURE (CRACKING) IN CONCRETE
The stages of cracking (fracture) in concrete: There are three stages of cracking or fracture in concrete. When we describe the cracking mechanisms, it is important to differentiate between the mode of crack initiation and how this occurs at the ...
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 ...
Retrofitting of RCC Structural Members, Types, Selection, and Procedures
Retrofitting of RCC structural members is carried out to regain the strength of deteriorated structural concrete elements and to prevent further distress in concrete. Strength deficiency of concrete structural members can be due to poor workmanship, design errors, and deterioration ...
Plastic Settlement Cracks in Concrete – its Appearance and Prevention Methods
Plastic settlement cracks in concrete are formed during initial setting of concrete. Appearance and prevention of plastic settlement cracks are discussed.
TYPES OF CRACKS IN REINFORCED CONCRETE SLABS
TYPES OF CRACKS IN REINFORCED CONCRETE SLABS 1. Cracks in reinforced concrete columns due to Steel Corrosion (cracks parallel to steel bars) 2. Cracks in reinforced concrete columns due to shrinkage of concrete 3. Cracks in reinforced concrete columns due ...
TEMPERATURE EFFECTS ON CONCRETE
THERMAL MOVEMENT IN CONCRETE As with any material, concrete will expand and contract as the temperature rises and falls. The size of movement depends upon the change in temperature and the coefficient of thermal expansion o f concrete. The coefficient ...
CONCRETE CRACK REPAIR EQUIPMENT
All concrete crack repair equipment operation must be inspected before, during, and after the crack repair project to ensure proper operation of the equipment, safety of the personnel involved in the project, and potential damage to the pavement due to ...