The truss shown below is a statically determinate model of a braced frame with two single diagonal braces and design lateral loads.

 

(a) Use equilibrium equations of the entire stucture to find the external reactions. Draw a free body diagram of the structure with the magnitude and correct direction of each reaction.
Answers: 0 kip , 52 kip (downward), 40 kip (left) , 52 kip (upward)

(b) Use the method of sections to find the axial force in each brace (B1–B2). Report the magnitude and sense of the axial force (Tension or Compression) for each
brace in the table below.
Answers: 56.57 kip (C), 20 kip (T)

(c) Use the method joints to find the axial force in the column and girder members (C1–C4 and G1–G2). Report the magnitude and sense of the axial force (Tension or Compression) for each column and girder member in the table below.

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Status NEW Posted 19 Oct 2017 07:10 AM My Price 10.00

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