A rigid bar AB is hinged at A and is supported by a rod CD at C. The rod is pin connected at D, as shown. Neglect deflections of the bar due to bending. Use E= 200 GPa. 36 mn 2 m OWhat is the displacement of the loaded end B of the bar? 1 Determine the tensile stress induced in rod CD by the 80 kN load 1H the allowable stress in rod CD is 124 MPa, what weight W can be safely applied? 12m 1.8 m wO AN
A rigid bar AB is hinged at A and is supported by a rod CD at C. The rod is pin connected at D, as shown. Neglect deflections of the bar due to bending. Use E= 200 GPa. 36 mn 2 m OWhat is the displacement of the loaded end B of the bar? 1 Determine the tensile stress induced in rod CD by the 80 kN load 1H the allowable stress in rod CD is 124 MPa, what weight W can be safely applied? 12m 1.8 m wO AN
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A ngid bar AB is hinged at A and is supported by a rod CD at C. The rod is pin connected at D. as shown Neglect deflections of the bar due to bending Use E200 GPa
What is the displacement of the loaded end of the bar? 2 Determine the tensile stress induced in rod CD by the 80 kN load
the alowable stress in rod CD is 124 MPa, what weight W can be safely
applied?
Transcribed Image Text:allowa quired wall thickness
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A rigid bar AB is hinged at A and is supported
by a rod CD at C. The rod is pin connected at
D, as shown. Neglect deflections of the bar
due to bending. Use E = 200 GPa.
36 mma
2 m
OWhat is the displacement of the loaded
end B of the bar?
® Determine the tensile stress induced in
rod CD by the 80 kN load
D If the allowable stress in rod CD is
124 MPa, what weight W can be safely
1.8 m
12m
applied?
w80 AN
1.
A holl ow cir cular steel colum n is s ubjected toa
compression load of 380 kN . The column has
a length of 2.4 mn.and an outside dia meter of
187.5 mm.
E - 200,000 MPa
Determine the min. roquired wall thicknesss
base on an allo wable com pressi ve stress
of 48 MPa.
Determine the min. required wall thickness
based on
30 MPa.
Determine the min. required wall thickness
based on the allowable shortening of the
colum n to b e 0.5 0 mm-
allowable
shear
stress of
C3D
P-38 O kN
2.4 m
2.
An 8 mm diameter steel rod, 20 m. long
supports a 10 kN weight. Find the max.
tensile stress in the rod. Unit weight of steel is
77 kN/m2.
3.
A steel bar carries an ore bucket of weight W
hanging at its lower end.
Given:
Bar diameter
= 12 mm
= 18 m.
Length
Steel modulus of Elasticity, Es = 200 GPa
Neglect weight of bar.
Calculate the weight W that can be safely
carried so as not to exceed the allowable
steel tensile stress of 138 MPa.
Calculate the weight W, that can be safely
applied so as not to exceed the allowable
elongation of 10 mm.
Calculate the total strain if the applied load
w = 20 kN.
3
4.
DO
DO
W
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