;;;;;;;;;;;. What’s the slope of Staircase?
A. As per IS 456, the slope or pitch of stair should
be between 25 degrees to 40 degrees.
;;;;;;What do you mean by the moment of inertia?
A quantity expressing a body’s tendency to resist
angular acceleration, which is the sum of the
products of the mass of each particle in the body
with the square of its distance from the axis of
rotation.
. What is a crank length in the slab?
The crank length in Slab is 0.42 D. Where D is
Depth of Slab- Top cover – Bottom Cover.
;;;;;;. What are the types of a slump?
A. True Slump: The concrete mass after the test when slumps evenly all around without disintegration is called the true slump.
*Shear Slump: When one-half of the concrete mass
slide down the other is called the shear slump. This type of slump is obtained in a lean concrete mix.
*Collapse Slump: When the sample is collapsed due to adding excessive water, it is known as collapse slump.
*Zero Slump: For very stiff or dry mixes it does not
show any changes of the slump after removing the
slump cone.
''''''' What is honeycomb in concrete? How is it
formed? How to eradicate honey comb in concrete you can get in next page......... thankyou
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