Construct the influence lines for forces in members L3L4, U3U4 and L3U4 of the Pratt Truss as shown in the figure. LO -3000- U2 U3 WH L2 L3 -3000- L1 U1 -3000- dimensions are in millimeters -18000- -3000- L4 U4 -3000- L5 U5 -3000- L6

Q: Problem 7: Determine the reactions and the force in each member of the trusses shown. Use force…

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Q: the space truss

A: The given truss is space structure. On analysis a space structure, three dimensional vector…

Q: Given the truss, determine the forces at member "bd". 5m 300 40KN 5m f

A: To find force in member bd

Q: 4 ft 4 ft 0.5 ft 75 lb 1.5 ft B 6 ft

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Q: Question 3 Determine the reactive forces at support A and B. 6m -8m 12m 40KN B

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Q: SITUATION. Consider the space truss shown below: Z Zoom image Determine the force in member AC. B…

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Influence Lines

The graphs that show the variation of a function at a specific point on a beam or truss due to a unit load placed at any point along the structure are known as influence lines in engineering. Some common functions that are studied with influence lines are shear, moment, and deflection. In designing beams and trusses, it is important to use influence lines in structures where loads would move along their span such as bridges, crane rails, conveyor belts, floor girders, etc. The influence lines help to study where a load will create the maximum effect for any of the functions.