A frame is built with members ACB and DC to support load P as shown. Member DC has a rectangular cross section with width of 25 mm and thickness t. Stress-strain curve for the material of which the member DC is made is also provided below. a. Determine the thickness t so that member DC does not yield. (You can assume same behavior for compression and tension) b. Determine the diameters of the pin A and D if allowable shear stress for pins is Tall = 40 MPa. 200 mm- 200 mm B. 200 mm 150 mm 25 mm P=13 kN
A frame is built with members ACB and DC to support load P as shown. Member DC has a rectangular cross section with width of 25 mm and thickness t. Stress-strain curve for the material of which the member DC is made is also provided below. a. Determine the thickness t so that member DC does not yield. (You can assume same behavior for compression and tension) b. Determine the diameters of the pin A and D if allowable shear stress for pins is Tall = 40 MPa. 200 mm- 200 mm B. 200 mm 150 mm 25 mm P=13 kN
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A frame is built with members ACB and DC to support load P as shown. Member DC has
a rectangular cross section with width of 25 mm and thickness t. Stress-strain curve for the
material of which the member DC is made is also provided below.
a. Determine the thickness t so that member DC does not yield. (You can assume
same behavior for compression and tension)
b. Determine the diameters of the pin A and D if allowable shear stress for pins is
???? = 40 ???.
Transcribed Image Text:A frame is built with members ACB and DC to support load Pas shown. Member DC has
a rectangular cross section with width of 25 mm and thickness t. Stress-strain curve for the
material of which the member DC is made is also provided below.
a. Determine the thickness t so that member DC does not yield. (You can assume
same behavior for compression and tension)
b. Determine the diameters of the pin A and D if allowable shear stress for pins is
Tall = 40 MPa.
P
200 mm
200 mm
B.
200 mm
150 mm
25 mm
P=13 kN
Transcribed Image Text:550
500
450
400
-500
350
400-
300
300
250
200
200
150
100
100
0.004
Engineering Strain (mmimm)
0.006 0.008
0.000
0.002
0.010
50
0-
0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0 20 0.22
Engineering Strain (mm/mm)
Stress-strain diagram for member DC in Question 1
Engineering Stress (MPa)
Engineering Stress (MPa)
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