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The Howe Bridge truss is subjected to the loading shown. Determine the force in members DE, DH, and IH, and state if the members are in tension or compression.

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Presentation on theme: "The Howe Bridge truss is subjected to the loading shown. Determine the force in members DE, DH, and IH, and state if the members are in tension or compression."— Presentation transcript:

1 The Howe Bridge truss is subjected to the loading shown. Determine the force in members DE, DH, and IH, and state if the members are in tension or compression. Given F 1 = 30 kN, F 2 = 20 kN, F 3 = 20 kN, F 4 = 40 kN, a = 4 m, and b = 4 m

2 The Pratt Bridge truss is subjected to the loading shown. Determine the force in members LK, LD, and CD, and state if the members are in tension or compression. Given F 1 = 50 kN, F 2 = 50 kN, F 3 = 50 kN, a = 4 m, and b = 3 m

3 The roof truss supports the vertical loading. Determine the force in members BC, BK, and LK, and state if the members are in tension or compression. Given F 1 = 4 kN, F 2 = 8 kN, a = 2 m, and b = 3 m

4 Determine the force in members CD, CJ, and KJ of the truss which serves to support the deck of a bridge. State if these members are in tension or compression. Given F 1 = 4000 lb, F 2 = 8000 lb, F 3 = 5000 lb, a = 9 ft, and b = 12 ft


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