Question Three The three-bar truss ABC shown in the figure part a has a span L = 3 m and is constructed of steel pipes having cross-sectional area A = 3900 mm² and modulus of elasticity E = 200 GPa. Identical loads P act both vertically and horizontally at joint C, as shown. (a) If P=475 kN, what is the horizontal displacement of joint B? (b) What is the maximum permissible load value Pmax if the displacement of joint B is limited to 1.5 mm? P P A 45° 45° B woobute L (a)

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Chapter10: Plate Girders
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Question Three
The three-bar truss ABC shown in the figure part a has a span L = 3 m and is constructed of steel
pipes having cross-sectional area A = 3900 mm² and modulus of elasticity E = 200 GPa. Identical
loads P act both vertically and horizontally at joint C, as shown.
(a) If P=475 kN, what is the horizontal displacement of joint B?
(b) What is the maximum permissible load value Pmax if the displacement of joint B is limited to
1.5 mm?
P
P
A
45°
45°
B
woobute
L
(a)
Transcribed Image Text:Question Three The three-bar truss ABC shown in the figure part a has a span L = 3 m and is constructed of steel pipes having cross-sectional area A = 3900 mm² and modulus of elasticity E = 200 GPa. Identical loads P act both vertically and horizontally at joint C, as shown. (a) If P=475 kN, what is the horizontal displacement of joint B? (b) What is the maximum permissible load value Pmax if the displacement of joint B is limited to 1.5 mm? P P A 45° 45° B woobute L (a)
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