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Reynolds Experiment

The procedure for conducting laboratory experiment to find critical Reynolds number for a pipe flow in different discharge conditions is explained in this article.Reynolds number is the ratio of the inertial force of flowing ...

How to Repair Active Cracks in Concrete?

Active cracks in concrete are live cracks which expand in length, width, and depth over time. These cracks are formed due to overloading and thermal expansion e.g. cracks due to freeze-thaw. Common methods to repair active cracks are drilling and ...

Metacentric Height of a Floating Body

The laboratory procedure to find out the metacentric height of a floating body on water is briefly explained in this article.A point about which a floating body tries to oscillate is called the

Frost Heave – How It Works, Effects, and Prevention

Frost heave is an upward swelling of soil due to the formation of ice during freezing conditions. It usually occurs when the freezing temperature penetrates the soil and turns the present moisture into ice thereby generating an upward ...

Experimental Verification of Bernoulli’s Theorem

The procedure of Laboratory experiment to verify Bernoulli’s theorem, required apparatus and calculations to be done are explained in this article.Bernoulli’s theorem states - For a continuous, steady and frictionless flow the total head ...

Mix Ratio of Sand-Cement Screed for Floors

Mix ratio of sand and cement screed for floor varies based on the intended use of the screed. Added to that, cement type, grade of aggregate and the method of storage of screed material influence the mix ratio ...

How Thick Should a Concrete Slab be?

Thickness of concrete slab depends on loads and size of the slab. In general, 6 inch (150mm) slab thickness is considered for residential and commercial buildings with reinforcement details as per design. Methods used for finding slab thickness ...