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Determine about the Lee-McCall system
In the Lee-McCall system, high-tensile strength bars of diameter varying from 12 to 40 rnrn are used as tendons. These bars are threaded at the ends. After tensioning, each bar is anchored with the help of a nut and a washer held tightly against the end plates. An end plate or a bearing plate is a flat plate bearing directly against concrete. In this anchorage system, loss of prestress due to anchorage slip is eliminated as nuts are tightened well before the tendons are released. At the same time, one drawback is that curved tendons can not be used while adopting this anchorage system. This system of anchorage is shown in Figure.
Explain Equations for a triangular (V-notch weir) Used for small flow rates. C 2 is a coefficient which varies from 0.58 to 0.61 depending upon the notch angle. Q = C
#Determine the smallest value of P and corresponding angle to the inclined plane which is inclined by 30 degree to horizontal to just start the block moving up the inclined plane.
Advantages of unbonded post-tensioning systems Similarly, some advantages of unbonded post-tensioning systems over bonded post-tensioning ones may be written as under : (a)
We can measure concrete by Cubic feet, Cubic yards, Cubic Meter
Using Laplace transfom, the following differential equation d y dy dt reduces to the algebraic equation of the form Resolve y(s) into partial fractions
Q. One-way pre stressing vs two-way pre stressing? At the time of pre-stressing operation at one end, frictional losses will take place and the prestressing force decreases alo
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CASTE DISCRIMANIMATION
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