The roof truss shown in Fig. P.4.7 is comprised entirely of equilateral triangles; the wind loads of 6 kN at J and B act perpendicularly to the member JB. Calculate the forces in the members DF, EF, EG and EK. Ans. DF= +106.4, EF= +1.7, EG=-107.3, KE=-20.8. All in kN.

The roof truss shown in Fig. P.4.7 is comprised entirely of equilateral triangles; the wind loads of 6 kN at J and B act perpendicularly to the member JB. Calculate the forces in the members DF, EF, EG and EK. Ans. DF= +106.4, EF= +1.7, EG=-107.3, KE=-20.8. All in kN.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Beams and Frames

A beam is a horizontal structure or a member which is always subjected to transverse shear loads.

Question

' The roof truss shown in Fig. P.4.7 is comprised entirely of equilateral triangles; the wind loads of
6 kN at J and B act perpendicularly to the member JB. Calculate the forces in the members DF, EF,
EG and EK.
Ans. DF = +106.4, EF= +1.7, EG=-107.3, KE=-20.8. All in kN.

36 kN
K
36 kN
36 kN
36 kN
36 kN
6 kN
EV
J
6 kN
4 x 3m

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