Question The simple 3D truss ABCD shown below is pin-supported at C and roller-supported at A (in y-direction) and B (in x- and y-directions). A vertical load Fis applied at D. Determine the reactions at the supports A, B and C, and the truss member forces in CD and BD and state whether the forces are in tension or compression. a = 5 m, b = 4 m, c = 6 m, F = 180 kN. Z b с y B а A F Support reactions: Ay = Bx = By = Cx= Cy = Cz = Truss member forces: Force in member CD = Force in member BD =
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Transcribed Image Text: The simple 3D truss ABCD shown below is pin-supported at C and roller-supported at A (in y-direction) and B (in x- and y-directions). A vertical load Fis applied at D. Determine the reactions at the supports A, B and C, and the truss member forces in CD and BD and state whether the forces are in tension or compression. a = 5 m, b = 4 m, c = 6 m, F = 180 kN. Z b с y B а A F Support reactions: Ay = Bx = By = Cx= Cy = Cz = Truss member forces: Force in member CD = Force in member BD =
More Transcribed Image Text: The simple 3D truss ABCD shown below is pin-supported at C and roller-supported at A (in y-direction) and B (in x- and y-directions). A vertical load Fis applied at D. Determine the reactions at the supports A, B and C, and the truss member forces in CD and BD and state whether the forces are in tension or compression. a = 5 m, b = 4 m, c = 6 m, F = 180 kN. Z b с y B а A F Support reactions: Ay = Bx = By = Cx= Cy = Cz = Truss member forces: Force in member CD = Force in member BD =
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Theta ve sign meaning, rexn ave acting opposite to the sHown divn in the Figure.CSScanned withCamScannerat Joint => : rarr{:[tan theta_(1)=(c)/(b)=6//4],[theta_(1)=56.30^(@)],[tan theta_(2)=c//a=6//5],[theta_(2)=50.194^(@)]:}rarrF_(BD) is acting in x dirn, ^(n)F_(AD) is acting in. y dirn ^(n) F_(longri ... See the full answer