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Discuss about the post-tensioning systems
In most of post-tensioning systems, when the cable is tensioned and the jack is released to transfer prestress to concrete, the friction wedges, employed to grip the wires, slip a small distance before the wires can be firmly held between the wedges. The magnitude of slip depends upon the type of wedge and the stress in the wires. This loss of prestress occurs only in post-tensioned members as no anchorages are used in pre-tensioned members.
Analyse the state of stress: For the cross-section shown in above figure, let us take b = 100 mm, d = 300 mm and M = 9 × 10 7 N mm and Q = 18 × 10 4 N and analyse the state
The data profile as shown in Figure is obtained. A best average of N values gave N 10 = 21, column loads including dead and live loads ranged from 500 kN to 950 kN. Determine the
Explain the Contracted Rectangular Weir Weir plate has sides which extend above the maximum water surface, directing the flow through an opening (b = weir length). Typically th
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Define the usage of Data from Hydrographs Flow rates and volume quantities over time. Predictions based on the runoff flow rates. The characteristics of the drainage b
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a) Determine the critical Euler buckling load of a solid aluminium rod of 12 mm diameter if it has a length of 1.0 m between pin-ended supports. (E = 70000 N/mm2) b) A
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Q. Can you explain Curved heads ? In case of rivers carrying high discharges of the order of 28300 m 3 Is and above, Gale's recommendations are more conservative than Spring's
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