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Acid Test:
This test is usually carried out on sand stones to examine the presence of calcium carbonate that weakens the weather resisting quality. In this particular test, a sample of stone weighing approximate 50 to 100 gm is taken and kept in a solution of 1% hydrochloric acid for 7 days. The solution is agitated at intervals. A fine building stone maintains its sharp edges and keeps its surface intact. If edges are broken & powder is formed on the surface, it shows the presence of calcium carbonate. Such type of stones will have poor weather resistance.
Sketch a curve showing the relation among dry density and moisture content for Standard Proctor test and indicate the salient features of the curve. Describe why soils are compacte
Absolute pressure is measured from a vacuum (0 PSI) and atmospheric pressure is14.7PSIa or 14.7 PSI above a vacuum 1PSI on a tire pressure gauge is known as 1PSIg = 15.7PSIa 10PSIg
Q. Application of embankment condition for drainage design? In considering loads on buried pipeline, there are generally two scenarios: narrow trench condition and embankment (
seasoning of timber
Determine the condition of each activity in the network flow diagram shown below Ans: a. Activity C can be started only after the completion of activities A and
influence diagram with example
Determine the term - Final Tension The tension in tendons after losses of prestress have taken place is called as final tension. Final tension is taken to be corresponding to
Maximum shear stress - state of stress: Consider the state of stress. (a) According to principal stress theory the equivalent stress for this case is simply σ 1 , i.e. 300
is shear stress distribution on I and T sections are same????
An unconfined aquifer is called to be 32 m thick below the water table. A constant discharge of 2 cubic metres per minute is pumped out of the aquifer by a tubewell till the water
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