What are the different special concretes used for construction ?

Concrete is the backbone of civil engineers. Mostly we use concrete as a construction material because of its own stand out efficiencies. There are different types of special concrete which we use for special purposes : Polymer-concrete composites A monomer is an organic molecule which is capable of combining chemically with similar or different molecules …

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What is curing of concrete and why it is practiced ?

Curing can be defined as a process of keeping the concrete moist and warm enough so that the hydration of cement can continue. More elaborately, it can be described as the process of maintaining a satisfactory moisture content and a favorable temperature in concrete during the period immediately following placement., so that hydration of cement …

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Quality of water to be used in concrete mix for construction

It is very important to check the water quality for concrete mix. As a slight change in chemical composition of water may result in a drastic change in the chemical behavior of concrete mix. There are different sources of water available. which may or may not be suitable for concrete mix. Such as reclaimed water, …

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Aggregates crushing value test – Compression testing machine

The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing apply a gradually increasing compressive load. The strength of aggregate is calculated by the crushing value test. The aggregates used should be strong enough to with stand the stresses which comes on to it. Aggregate are the important part …

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Aggregates Abrasion test – Los Angeles test

Testing of aggregates with respect to its resistance to wear is an important test for aggregates. Abrasion Test is the measure of aggregate toughness and abrasion resistance such as crushing, degradation and disintegration. Resistance to Degradation of small-size Coarse aggregates by Abrasion and Impact in Los Angeles Machine. There are three methods in use for …

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Reinforcement – Is it needed in concrete ?

As I have already mentioned concrete is good in compression and is bad in tension. So it is very much required there should be something which will resist the tensile stresses also. Here comes the role of reinforcement, we use steel as reinforcement in most of the structure. Steel is good in tension. So when …

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What are the different tests of aggregate ?

Aggregate are the important part of concrete. Aggregates contribute to a majority of proportion (70- 80 %) in concrete and thus responsible for the increase in weight of concrete. They give body of the concrete, reduce shrinkage and effect economy. Earlier researchers consider aggregate as an inert material but now its not the case. Aggregates …

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What are the different quality test of concrete ?

There are different methods through which we can ensure the concrete properties. It is very important to know what all are the different quality test available for concrete , for both fresh and hard concrete. As we widely use concrete as a construction material. The quality of concrete starts at the very initial stage. The …

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Ultrasonic pulse velocity (UPV) test for hardened concrete ?

We use ultra sonic pulse test (UPV) to check the quality of concrete. Concrete construction is generally gives trouble free service throughout its intended design life. However, we require these test , because of structural deficiency, material deterioration. The most common being when we fail to follow the construction specification or when the facility is …

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Rebound hammer test for Hardened concrete?

We use rebound hammer to calculate the compressive strength of concrete. Concrete construction is generally gives trouble free service throughout its intended design life. However, we require these test , because of structural deficiency, material deterioration. The most common being when we fail to follow the construction specification or when the facility is expose to …

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