Dry pack mortar is used to repair the concrete surfaces which contains cracks or holes of depth larger than or equal to the least dimension of the repair area. The holes generally found on concrete surfaces are cone bolt holes, ...
Discy Latest Articles
Defects in Concrete Structures – Types Causes, Prevention
Different types of defects in concrete structures can be cracking, crazing, blistering, delamination, dusting, curling, efflorescence, scaling and spalling. These defects can be due to various reasons or causes. Causes for Defects in Concrete Structures Causes of defects in concrete ...
Control Joint vs. Expansion Joint Difference
Control Joint in Concrete Control joints in concrete are provided at regular interval to from a weak plane, so that cracks are formed at the joints but not in undesired places. Control joints are provided in concrete pavements, slabs, walls, floors, ...
Expansion Joint in Concrete – Types and Characteristics
Expansion joints are placed in concrete to prevent expansive cracks formed due to temperature change. Concrete undergoes expansion due to high temperature when in a confined boundary which leads to cracks. Expansion joints are provided in slabs, pavements, buildings, bridges, sidewalks, railway tracks, ...
Cracks in Masonry Walls – Types, Causes and Repair of Cracks
Several types of cracks occur in masonry walls in a building which can be minor and insignificant, some requiring expensive repairs and in some extreme cases the only solution is total demolition of the wall. Causes of these cracks in ...
Low Heat Cement- Composition, Properties, Uses and Advantages
Low heat cement is a special tailored cement which generates low heat of hydration during setting. It is manufactured by modifying the chemical composition of normal Portland cement. In this article we discuss about the composition, properties, characteristics, uses and advantages ...
Quick Setting Cement- Phenomenon and Uses.
It is one of the type of cements where the initially set in 5 mins and final set is achieved in 30 mins, which is used in the special conditions of construction like in running water. In this article we ...
Laser Crack Measurement System for Pavements – Application and Advantages
Laser crack measurement system is highly developed technological methods of inspecting pavements which has been used extensively around the world. Advantages and applications of laser crack measurement system for pavements are discussed.