(a) Based on the figure, give the minimum and the maximum of the external load, P. (b) Based on the figure, give the stiffness coefficient of the joint and the pre-load. (c) Draw and annotate the force load diagram with F, and Fm on the vertical axis and P on the horizontal axis. (d) When the load is at Pmar, determine the load factor with respect to joint separation. (e) Assume that the proof load, Fp, is 7500 lbf. When the load is at Pmaz, determine the load factor with respect to overproofing. mar;

Steel Design (Activate Learning with these NEW titles from Engineering!)
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ISBN:9781337094740
Author:Segui, William T.
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Chapter4: Compression Members
Section: Chapter Questions
Problem 4.6.7P
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1. The figure below shows three cycles of time-varying loading on a double D-ring
held together with a single bolt and nut, such as we have discussed in class. The
figure shows both the bolt tensile force and the member compressive force.
F, solid. F dot-dashed.
7000
6000
5000
4000
3000
2000
1000
t, time
(a) Based on the figure, give the minimum and the maximum of the external
load, P.
(b) Based on the figure, give the stiffness coefficient of the joint and the pre-load.
(c) Draw and annotate the force load diagram with F, and Fm on the vertical
axis and P on the horizontal axis.
(d) When the load is at Pmaz, determine the load factor with respect to joint
separation.
(e) Assume that the proof load, Fp, is 7500 lbf. When the load is at Pmaz,
determine the load factor with respect to overproofing.
Tmar:
Transcribed Image Text:1. The figure below shows three cycles of time-varying loading on a double D-ring held together with a single bolt and nut, such as we have discussed in class. The figure shows both the bolt tensile force and the member compressive force. F, solid. F dot-dashed. 7000 6000 5000 4000 3000 2000 1000 t, time (a) Based on the figure, give the minimum and the maximum of the external load, P. (b) Based on the figure, give the stiffness coefficient of the joint and the pre-load. (c) Draw and annotate the force load diagram with F, and Fm on the vertical axis and P on the horizontal axis. (d) When the load is at Pmaz, determine the load factor with respect to joint separation. (e) Assume that the proof load, Fp, is 7500 lbf. When the load is at Pmaz, determine the load factor with respect to overproofing. Tmar:
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