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Question
In all-purpose Specification for Civil Engineering Works, it details temperature requirements for bituminous material all through and after mixing. What is cause behind this?
Answer Temperature is one of factors that govern compaction of bituminous material and air void content is found to reduce with increase in compaction temperature. This fact is explained by viscosity-temperature relations- higher is the viscosity of binders, greater is resistance to compaction. Thus, in normal contract for bituminous laying, temperature requirements for bituminous material all through and after addition are specified.
Disadvantages of cement sand mortor
show that Y = 4e2x - 2e-3x is a solution of initial-value problem (d2y)/(dx2)+ (dy)/(dx) - 6y=0 ; y(0)=6 ; y’(0)=2 . is Y = 2e2x - 4e-3x also a solution of this proble
Question What is main importance of geotextiles and sand in reclamation works? Answer For geotextiles used in recovery, they serve mainly subsequent two purposes
The classification as soft wood and hard wood has commercial significance. The difference between soft wood and hard wood is described below: The color of soft wood is light
battened system with end tie plate
Verify the grain specific gravity In a specific gravity test, the weight of the dry soil taken is 0.66 N. The weight of the pyknometer filled with this soil and water is 6.756
Explain about Lee-Mccall system
Q. Show the Functions of sleepers in railway? Functions of sleepers in railway works are as below: (i) The primary function of a sleeper is to grip the rail to gauge and t
Explain the Hydraulic Radius (R) A fluid's cross-sectional area in flow divided by the wetted perimeter. For a circular channel flowing full and ½ full, R = D/4.
Sometimes side of concrete bridges is observed to turn black in colour . What is the main reason being for the phenomenon ?
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