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A 2 m B 2 m C 2 m D A B Roof load C Wr E 4.5 m Ww . Į Į Į Į Į ↓ ↓ ↓ LLL D A B Wind load C D

A 2 m B 2 m C 2 m D A B Roof load C Wr E 4.5 m Ww . Į Į Į Į Į ↓ ↓ ↓ LLL D A B Wind load C D

Structural Analysis
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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Consider the roof truss below subjected to roof load (Wr) and wind load (Ww). Assume no other
loads act on the structure (i.e., D = L = R = E = 0). Assume the loads are distributed to the nearest
truss joint (i.e., half the load over the span of each member is distributed to each joint).

a) Determine the service (unfactored) forces in GF, BF and BC based on the roof load, Wr.

b) Determine the service (unfactored) forces in GF, BF and BC based on the wind load, Ww.

c) Using ASCE 7-16 LRFD load combinations and the principle of superposition, find the
required strengths of members GF, BF and BC in both tension and compression if Wr =
2 kN / m and Ww = 1 kN / m.

A 2 m B 2 m C 2 m D A B Roof load C Wr E 4.5 m Ww . Į Į Į Į Į ↓ ↓ ↓ LLL D A B Wind load C D
Transcribed Image Text:A 2 m B 2 m C 2 m D A B Roof load C Wr E 4.5 m Ww . Į Į Į Į Į ↓ ↓ ↓ LLL D A B Wind load C D
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