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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.
Loss of Prestress due to Elastic Shortening of Concrete Due to elastic shortening of concrete, tendons are able to reduce their stretched length to the same extent upto which
Which of the following stress-strain curves represents a soft and weak material? Solution: As depicted, stress is on the y-axis while the x-axis represents strain.Whe
This is more likely in to Aerospace engineering.. So if there's anyone whose doing his/her major or have any skills regarding that field please help me with this problem. :) a)
Distortion energy theory: Let us now consider the solid shown in Figure. (a) By inspection we may see that the solid is safe according to principal stress theor
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