H.W. #4: A pin connected truss is loaded and supported as shown, determine: a) The normal stress in member DE if it has a crosectional area of 750 mm². b) The minimum cross sectional area for member BC if the normal stress is limited to 30 MPa. 3 m 10 kN -3 m 15 kN -3 m 3m

H.W. #4: A pin connected truss is loaded and supported as shown, determine: a) The normal stress in member DE if it has a crosectional area of 750 mm². b) The minimum cross sectional area for member BC if the normal stress is limited to 30 MPa. 3 m 10 kN -3 m 15 kN -3 m 3m

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.5.2P

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Question

H.W. #4: A pin connected truss is loaded and
supported as shown, determine:
a) The normal stress in member DE if it has
a cros ectional area of 750 mm².
b) The minimum cross sectional area for
member BC if the normal stress is limited to
30 MPa.
-3m-
10 kN
-3 m
15 kN
3m
3m

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Step 2: Determine the support reaction

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Step 3: Determine the force member BC and DE

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Step 4: Determine the stress in member DE and minimum cross sectional area of member BC

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