CAUSES OF CONCRETE FAILURE

Causes of Concrete Failure Corrosion is not the only source of failure. Many other sources cause deterioration on reinforced concrete structures; this must be kept in mind and understood well when an inspection is undertaken. These sources of failure include: • Unsuitable ...

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 ...

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 ...

METHODS OF CONCRETE CRACK REPAIR

Following the evaluation of the cracked structure, a suitable methods of concrete crack repair procedure can be selected. Successful repair procedures take into account the cause(s) of the cracking. For example, if the cracking ...

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 ...

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 ...

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 ...