1- Two circular bars are connected in series, as shown in the figure. An upward pressure of 50 MPa is applied on the exposed end surface of Bar 1. 5=120cm A downward load of 800 kN is applied at the end of Bar 2. Determine the displacements of points C and D under the applied loading. -2000) 5-80mm P=240KN E₁=200 GP E₂=75 GPa 50MPa 5=60mm Bar 1 ·D Bar 2 200 mm 60mm 200mm 800 KN

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Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.