The beam AB is made of structural timber C24. The cross-section of the beam is rectangular with b x h = 73mm x 198mm.  . In the middle of the beam (point C) it is suspended from a wire (steel) of length l = 3m and a  diameter ø= 10mm.  Before the external load is applied to the structure, the beam horizontal. Then a payload is applied q= 5 kN/m. The dead weight of the beam can be neglected. a) Calculate the axial force in the wire. b) Calculate the transverse displacement at the center of the beam, . c) Establish moment and shear force diagrams for the beam. d) Calculate the tension in the wire

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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.