For the Pratt bridge truss and loading shown, determine the average normal stresses in members BE & BC, knowing that the cross-sectional area of those members is 3780 mm^2. Designate whether the member is a tensile stress or a compressive stress. (Choose all correct answers) * 3.6 m E m-2.7 m-2.7 m-2.7 m- 350 kN 350 kN 350 kN ВE 3 93 MPa (С) Вс - 93 МPа (С) ВЕ 3D93 MPа (Т)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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For the Pratt bridge truss and loading shown, determine the average normal
stresses in members BE & BC, knowing that the cross-sectional area of those
members is 3780 mm^2. Designate whether the member is a tensile stress or a
compressive stress. (Choose all correct answers) *
3.6 m
E
m-2.7 m--2.7 m-2.7 m-
350 kN
350 kN
350 kN
BE = 93 MPa (C)
ВС - 93 МPа (С)
ВE 3D93 MPа (Т)
BE - 58 MPа (С)
ВE 3 58 MPa (T)
ВС %3 58 МPа (T)
ВС 3 93 МPа (Т)
ВС 3 58 МPа (С)
Transcribed Image Text:For the Pratt bridge truss and loading shown, determine the average normal stresses in members BE & BC, knowing that the cross-sectional area of those members is 3780 mm^2. Designate whether the member is a tensile stress or a compressive stress. (Choose all correct answers) * 3.6 m E m-2.7 m--2.7 m-2.7 m- 350 kN 350 kN 350 kN BE = 93 MPa (C) ВС - 93 МPа (С) ВE 3D93 MPа (Т) BE - 58 MPа (С) ВE 3 58 MPa (T) ВС %3 58 МPа (T) ВС 3 93 МPа (Т) ВС 3 58 МPа (С)
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