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 ...
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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.
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 ...