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 ...
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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 ...
What is Concrete Temperature Limit?
Concrete Temperature limits are established to ensure that high quality concrete with specified requirements are produced. Various standards and specifications provide limits on temperature of concrete so as to achieve designated strength and durability. Concrete temperature limits changes based on ...
Inspection and Testing of Ready Mix Concrete
Inspection and testing of ready mix concrete is crucial to ensure that all specified conditions meet the acceptable criteria. Ready mix concrete, which produced in batching plant and transported to construction site by truck mounted mixers, are commonly inspected and ...
Methods of Finishing Hardened Concrete Surface
Finishing hardened concrete surface is carried out just after the removal of formwork to achieve finely finished surface. There are various methods and equipment that have been used to finish concrete surface. These finishing dried concrete surface techniques and equipment ...
15 Types of Admixtures Used in Concrete
Admixtures are defined as the material other than the aggregate, water and cement added to the concrete. The use of suitable admixture can result in the enhancement the performance of concrete.
Reactive Powder Concrete – Composition and Advantages
What is a Reactive Powder Concrete? Reactive powder concrete (RPC) is the ultra-high strength concrete prepared by replacing the ordinary aggregate of normal concrete with quartz powder, silica fume, steel fibers etc. RPC not only has high strength but also ...
What Factors Affects Air Content of Concrete?
Generally, concrete is required to be air entrained event if it is not exposed to freezing and thawing due to important benefits that concrete enjoys in other ways such as improving concrete workability. Concrete air entrainment is not an easy ...