Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Chapter 19, Problem 19.6P
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Q2/ Calculate the maximum axial stress for a 40-ft joint of 11.75-in, 60 lbm/ft, J-55 casing with short
threads coupling. Where the casing is subjected to 280000 lb, axial tension load in a portion of a
directional wellbore with dogleg severity of 2"/50 ft. In case of:
(1)Uniform contant between the casing and the borehole wall.
(2)Assuming contant between borehole wall and the casing only at the couplings,andF n+
(3)Calculate the joint setrength of the API round thread couplings.(oult = 75000 psi, wall thickness
0.489-in, Pc= 2660 psi. o yb-952000 lb, Fj-649 000 lbf).
4. Determine the design stress for bolts in a cylinder cover where the load is fluctuating due to gas
pressure. The maximum load on the bolt is 50 kN and the minimum is 30 kN. The load is unpredict-
able and factor of safety is 3. The surface of the bolt is hot rolled and the suface finish factor is 0.9.
During a simple tension test and rotating beam test on ductile materials (40 C 8 steel annealed), the
following results were obtained :
Diameter of specimen =12.5 mm; Yield strength= 240 MPa; Ultimate strength= 450 MPa; Endurance
limit = 180 MPa.
[Ans. 65.4 MPa]
Please answer with explanation.
Question : These two shear pins have the same length and same cross-sectional area. Both are subject to the same external tension load. Which pin has the lower shear stress?
O a. The solid pin on the left.
O b. The hollow pin on the right.
O c. Both pins have the same shear stress.
Chapter 19 Solutions
Applied Statics and Strength of Materials (6th Edition)
Ch. 19 - Prob. 19.1PCh. 19 - Rework Problem 19.1 assuming a bearing-type...Ch. 19 - Rework Problem 19.1 assuming a bearing-type...Ch. 19 - Compute the allowable tensile load for the...Ch. 19 - Rework Problem 19.4 assuming a bearing-type...Ch. 19 - Rework Problem 19.4 assuming that the bolts are 34...Ch. 19 - Select the number and arrangement of 34 in....Ch. 19 - Calculate the allowable tensile load for the...Ch. 19 - In the connection shown, 14 in. side and end...Ch. 19 - Design the fillet welds parallel to the applied...
Ch. 19 - A fillet weld between two steel plates...Ch. 19 - Design an end connection using longitudinal welds...Ch. 19 - Calculate the allowable tensile load for the butt...Ch. 19 - Calculate the allowable tensile load for the lap...Ch. 19 - Calculate the allowable tensile load for the butt...Ch. 19 - Rework Problem 19.10 assuming that both plates are...Ch. 19 - Rework Problem 19.12 assuming that the angle is an...Ch. 19 - Two ASTM A36 steel plates, each 12 in. by 12 in. ,...Ch. 19 - Rework Problem 19.20 changing the fasteners to 34...Ch. 19 - Calculate the minimum main plate thickness for the...Ch. 19 - A roof truss tension member is made up of 2L6412...Ch. 19 - Rework Problem 19.23 changing the fasteners to six...Ch. 19 - Determine the allowable tensile load that can be...Ch. 19 - The welded connection shown is subjected to an...Ch. 19 - In Problem 19.26, use a 38 in. fillet weld, change...
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