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posted by  flooty55 on 10/4/2009 9:23:31 PM  |  status: Live  |  Earned Karma: 50

Determine Largest Axial Load

Course Textbook Chapter Problem Needs by
Mechanics of Materials Mechanics of Materials (5th) by Beer, Johnston, DeWolf 1 65RP 10/6/2009 at 8:00:00 AM
Question Details:
Two wooden members of 70x110-mm uniform rectangular cross section are joined by the simple glued scarf splice shown.  Knowing that the maximum allowable shearing stress in the glued splice is 500 kPa, determine the largest axial load P that can be safely applied.

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posted by Anonymous on 11/1/2009 9:51:55 PM  |  status: Live
Clarification Details:
Ao must be equal to A/cosθ for any inclined section, and θ is the angle between the inclined and the vertical axis and which is equal to θ= 90-20= 70, also V (the tangential force to the inclined Area to find the shear stress) is equal to Psinθ.

Using θ= 20 or 70 gave the same result 11.98 kN, but in future keep in mind that θ is the angle between the incline section and the vertical axis.
 

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posted by Jemmi on 10/4/2009 10:24:35 PM  |  status: Live
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