Combined Axial and Bending

Problem 911 | Combined Axial and Bending

Problem 911
A concrete dam has the profile shown in Figure P-911. If the density of concrete is 2400 kg/m3 and that of water is 1000 kg/m3, determine the maximum compressive stress at section m-n if the depth of the water behind the dam is h = 15 m.
 

911-gravity-dam.gif

 

Problem 910 | Combined Axial and Bending

Problem 910
A timber beam AD, 6 in. thick by 10 in. high and loaded as shown in Figure P-910, is pinned at its lower end and supported by a horizontal cable CE. Compute the maximum compressive stress developed in the beam.
 

910-boom.gif

 

Problem 909 | Combined Axial and Bending

Problem 909
The bent steel bar shown in Figure P-909 is 200 mm square. Determine the normal stresses at A and B.
 

909-bent-steel-bar.gif

 

Problem 908 | Combined Axial and Bending

 Problem 908
A punch press has the cast steel frame shown in Figure P-908. Determine the greatest force P that can be exerted at the jaws of the punch without exceeding a stress of 18 ksi at section A-B. The properties of the area are as shown and 1-1 is the centroidal axis.
 

908-punch-press.gif

 

Problem 907 | Combined Axial and Bending

Problem 907
Determine the largest load P that can be supported by the circular steel bracket shown in Figure P-907 if the normal stress on section A-B is limited to 80 MPa.
 

907-circular-bracket.gif

 

Problem 906 | Combined Axial and Bending

Problem 906
For the 2-in. by 6-in. wooden beam shown in Fig. P-906. Determine the normal stress at A and B. Are these the points of maximum normal stress? If not, where are they located and what are their values?
 

906-beam-with-inclined-load.gif

 

Problem 905 | Combined Axial and Bending

Problem 905
A wooden beam 100 mm by 200 mm, supported as shown in Figure P-905, carries a load P. What is the largest safe value of P is the maximum stress is not to exceed 10 MPa?
 

905-simple-beam-inclined-load.jpg

 

Problem 904 | Combined Axial and Bending

Problem 904
To avoid interference, a link in a machine is designed so that its cross-sectional area is reduced one half at section A-B as shown in Fig. P-904. If the thickness of the link is 50 mm, compute the maximum force P that can be applied if the maximum normal stress on section A-B is limited to 80 MPa.
 

904-link-with-area-reduced.gif

 

Problem 903 | Combined Axial and Bending

Problem 903
A cast iron link is 40 mm wide by 200 mm high by 500 mm long. The allowable stresses are 40 MPa in tension and 80 MPa in compression. Compute the largest compressive load P that can be applied to the ends of the link along a longitudinal axis that is located 150 mm above the bottom of the link.
 

902-superpositioned-stresses.jpg

 

Combined Axial and Bending

Problem 902
Compare the maximum stress in bent rod 1/2 in. square, where the load P is 1/2 in. off center as shown in Figure P-902, with the maximum stress if the rod were straight and the load applied axially.
 

902-bar-in-eccentric-compression.gif

 

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