Concrete curling is a defect observed in concrete slab structures. Curling is the bending of slab edges either upwards or downwards. Curling of concrete slabs is mainly caused due to the temperature variation between the top and bottom surfaces of ...
Concrete Cracks
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Sketches/Maps of Concrete Cracks Observed in Visual Inspections
Sketches or maps or patterns of different types of cracks commonly developed in concrete structures are crucial to determine the type and cause of cracks during visual inspection. This would also reduce the time and effort needed to specify the ...
Steps for Concrete Damage Repair in Reinforced Concrete Structures
There are certain steps that need to be considered in order to decide whether defected concrete needs repair or not, and specify proper repair technique and material if repairing is needed. These repair steps would ensure successful repairing process that ...
Fire Damage Mechanism of RC Structure and Assessment Method
Fire cause concrete surface cracking and crazing, chemical decomposition, and microcracking and spalling. These impacts can significantly change the properties of structural concrete, reducing strength and durability, and altering structural behavior. Assessment and evaluation of damages caused by fire is ...
7 Cracking Control Methods in Concrete Dams
In concrete dams, cracks are formed mainly due to shrinkage of concrete due to temperature variations. These cracks may develop internally in the body of the dam or externally on the surface of the dam. Surface cracks are more dangerous ...
Materials for Repair of Concrete Structures – Types and Selection Criteria
There are various types of materials which are used for the repair of concrete structures. For instance, unmodified Portland cement mortar or grout, latex modified Portland cement mortar or concrete, quick setting non-shrink mortar, and polymer concrete. The choice of ...
Welded Wire Fabric Concrete
Welded wire fabric is a series of parallel longitudinal wires welded to cross wires by electric fusion method with accurate spacing. The welding work is done by machinery which ensures the precise dimensions and results in considerable savings in time, ...
How to Repair Active Cracks in Concrete?
Active cracks in concrete are live cracks which expand in length, width, and depth over time. These cracks are formed due to overloading and thermal expansion e.g. cracks due to freeze-thaw. Common methods to repair active cracks are drilling and ...