Concrete sweating is the phenomena of accumulation of water droplets on the surface of concrete due to the difference in temperature of the outer environment and concrete. A sweating concrete floor can be a real nuisance that can create a ...
Concrete Properties
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Microsilica in Concrete – Types, Properties, and Practical Applications
Microsilica in concrete improves its strength and durability as it provides more uniform distribution and a greater volume of hydration products, and decreases the average size of pores in the cement paste. Microsilica, also known as silica fume or condensed ...
What is R-value and U-value of Concrete Slab per inch, Calculation
What is R-value and U-value of Concrete Slab R-value is the measurement of concrete slab (or other material) capacity to resist heat flow i.e. it measures the effectiveness of insulation or thermal resistance. However, U-value is the measurement of heat ...
Role of Calcium Chloride in Concrete
Calcium chlorides is used as accelerator in hydration process of cement, leading to quick set of concrete and to get high initial strength concrete. Maximum permissible limit of addition of calcium chloride is 2% in flake form. Methods of Adding ...
Crushed Concrete Aggregates – Properties and Uses of Recycled Aggregates
Crushed concrete aggregates also called as recycled concrete aggregates are fragments and pieces of concrete buildings which are demolished or rebuild. These crushed concrete are cleaned from dirt and broken to smaller pieces to manufacture aggregate which is termed as ...
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, ...
Ordinary Portland Cement -Constituents, Properties, Types and Uses
Ordinary Portland cement is one of the most widely used type of Cement. Types, properties, constituents, manufacture, uses and advantages of Ordinary Portland Cement is discussed. In 1824 Joseph Aspdin gave the name as Portland cement as it has similarity ...
Portland Pozzolana Cement – Manufacture, Properties and Uses
Portland Pozzolana cement is integrated cement which is formed by synthesising OPC cement with pozzolanic materials in a certain proportion. It is commonly known as PPC cement. In this article we discuss about the properties, manufacture, characteristics, advantages and disadvantages ...