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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 of thermal ...

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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 ...

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What are the Methods of Concrete Crack Repair?

There are several methods of concrete crack repair such as epoxy injection, routing and sealing, grouting, stitching, drilling and plugging, gravity filling of cracks in concrete. Details of these methods for the selection of suitable methods for different types of ...

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Types of Cracks in Concrete Beams and their Causes

Several types of cracks occur in concrete beams due to shear stress called as shear crack, reinforcement corrosion, insufficient rebar cover, bending stress and compression failure. Details of these cracks in reinforced concrete beams are discussed. Types of Cracks in Concrete Beams Cracks ...

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SPALL REPAIR PROCEDURES

The repair process begins after the final cleaning of the area. The area must be dry and free of dust, oil, dirt, etc. A good repair begins with a clean surface. Since the volume of most spall repairs is usually ...

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PERMEABILITY OF CONCRETE

If concrete is impermeable, corrosive agents cannot penetrate and attack it. Concrete basically has two types of pores, which determine permeability. These are capillary pores (with a diameter varying between 0.01 to 10 micron) in the cement, paste which coats ...

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CRACKING IN WALLS

There are cracks in all buildings, some minor and insignificant, some requiring expensive repairs and in some extreme cases the only solution is total demolition of the building.This article is intended to put ...

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PLASTERING CONCRETE

The application of lightweight plasters to Concrete walls or soffits should be regarded as a High risk operation due to the large number of failures that have occurred.The failure often takes the form of a ...

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